diff --git a/cmd/fetcher/app/server.go b/cmd/fetcher/app/server.go
index 4f005163..04c80a6e 100644
--- a/cmd/fetcher/app/server.go
+++ b/cmd/fetcher/app/server.go
@@ -30,7 +30,6 @@ import (
 	"go.uber.org/zap"
 
 	"github.com/fission/fission/pkg/fetcher"
-	"github.com/fission/fission/pkg/types"
 )
 
 func registerTraceExporter(collectorEndpoint string) error {
@@ -94,7 +93,7 @@ func Run(logger *zap.Logger) {
 	// do specialization in other goroutine to prevent blocking in newdeploy
 	go func() {
 		if *specializeOnStart {
-			var specializeReq types.FunctionSpecializeRequest
+			var specializeReq fetcher.FunctionSpecializeRequest
 
 			err := json.Unmarshal([]byte(*specializePayload), &specializeReq)
 			if err != nil {
diff --git a/cmd/preupgradechecks/preupgradechecks.go b/cmd/preupgradechecks/preupgradechecks.go
index 39001612..4fac3912 100644
--- a/cmd/preupgradechecks/preupgradechecks.go
+++ b/cmd/preupgradechecks/preupgradechecks.go
@@ -29,7 +29,6 @@ import (
 
 	fv1 "github.com/fission/fission/pkg/apis/fission.io/v1"
 	"github.com/fission/fission/pkg/crd"
-	"github.com/fission/fission/pkg/types"
 	"github.com/fission/fission/pkg/utils"
 )
 
@@ -190,33 +189,33 @@ func (client *PreUpgradeTaskClient) SetupRoleBindings() {
 
 	// the fact that we're here implies that there had been a prior installation of fission and objects are present still
 	// so, we go ahead and create the role-bindings necessary for the fission-fetcher and fission-builder Service Accounts.
-	err := utils.SetupRoleBinding(client.logger, client.k8sClient, types.PackageGetterRB, metav1.NamespaceDefault, types.PackageGetterCR, types.ClusterRole, types.FissionFetcherSA, client.fnPodNs)
+	err := utils.SetupRoleBinding(client.logger, client.k8sClient, fv1.PackageGetterRB, metav1.NamespaceDefault, fv1.PackageGetterCR, fv1.ClusterRole, fv1.FissionFetcherSA, client.fnPodNs)
 	if err != nil {
 		client.logger.Fatal("error setting up rolebinding for service account",
 			zap.Error(err),
-			zap.String("role_binding", types.PackageGetterRB),
-			zap.String("service_account", types.FissionFetcherSA),
+			zap.String("role_binding", fv1.PackageGetterRB),
+			zap.String("service_account", fv1.FissionFetcherSA),
 			zap.String("service_account_namespace", client.fnPodNs))
 	}
 
-	err = utils.SetupRoleBinding(client.logger, client.k8sClient, types.PackageGetterRB, metav1.NamespaceDefault, types.PackageGetterCR, types.ClusterRole, types.FissionBuilderSA, client.envBuilderNs)
+	err = utils.SetupRoleBinding(client.logger, client.k8sClient, fv1.PackageGetterRB, metav1.NamespaceDefault, fv1.PackageGetterCR, fv1.ClusterRole, fv1.FissionBuilderSA, client.envBuilderNs)
 	if err != nil {
 		client.logger.Fatal("error setting up rolebinding for service account",
 			zap.Error(err),
-			zap.String("role_binding", types.PackageGetterRB),
-			zap.String("service_account", types.FissionBuilderSA),
+			zap.String("role_binding", fv1.PackageGetterRB),
+			zap.String("service_account", fv1.FissionBuilderSA),
 			zap.String("service_account_namespace", client.envBuilderNs))
 	}
 
-	err = utils.SetupRoleBinding(client.logger, client.k8sClient, types.SecretConfigMapGetterRB, metav1.NamespaceDefault, types.SecretConfigMapGetterCR, types.ClusterRole, types.FissionFetcherSA, client.fnPodNs)
+	err = utils.SetupRoleBinding(client.logger, client.k8sClient, fv1.SecretConfigMapGetterRB, metav1.NamespaceDefault, fv1.SecretConfigMapGetterCR, fv1.ClusterRole, fv1.FissionFetcherSA, client.fnPodNs)
 	if err != nil {
 		client.logger.Fatal("error setting up rolebinding for service account",
 			zap.Error(err),
-			zap.String("role_binding", types.SecretConfigMapGetterRB),
-			zap.String("service_account", types.FissionFetcherSA),
+			zap.String("role_binding", fv1.SecretConfigMapGetterRB),
+			zap.String("service_account", fv1.FissionFetcherSA),
 			zap.String("service_account_namespace", client.fnPodNs))
 	}
 
 	client.logger.Info("created rolebindings in default namespace",
-		zap.Strings("role_bindings", []string{types.PackageGetterRB, types.SecretConfigMapGetterRB}))
+		zap.Strings("role_bindings", []string{fv1.PackageGetterRB, fv1.SecretConfigMapGetterRB}))
 }
diff --git a/pkg/apis/fission.io/v1/const.go b/pkg/apis/fission.io/v1/const.go
index b85d77f1..b5706eab 100644
--- a/pkg/apis/fission.io/v1/const.go
+++ b/pkg/apis/fission.io/v1/const.go
@@ -105,3 +105,42 @@ const (
 const (
 	DefaultSpecializationTimeOut = 120
 )
+
+const (
+	FETCH_SOURCE = iota
+	FETCH_DEPLOYMENT
+	FETCH_URL
+)
+
+// executor kubernetes object label key
+const (
+	ENVIRONMENT_NAMESPACE     = "environmentNamespace"
+	ENVIRONMENT_NAME          = "environmentName"
+	ENVIRONMENT_UID           = "environmentUid"
+	FUNCTION_NAMESPACE        = "functionNamespace"
+	FUNCTION_NAME             = "functionName"
+	FUNCTION_UID              = "functionUid"
+	FUNCTION_RESOURCE_VERSION = "functionResourceVersion"
+	EXECUTOR_TYPE             = "executorType"
+)
+
+const (
+	ANNOTATION_SVC_HOST = "svcHost"
+)
+
+const (
+	ArchiveLiteralSizeLimit int64 = 256 * 1024
+)
+
+const (
+	FissionBuilderSA = "fission-builder"
+	FissionFetcherSA = "fission-fetcher"
+
+	SecretConfigMapGetterCR = "secret-configmap-getter"
+	SecretConfigMapGetterRB = "secret-configmap-getter-binding"
+
+	PackageGetterCR = "package-getter"
+	PackageGetterRB = "package-getter-binding"
+
+	ClusterRole = "ClusterRole"
+)
diff --git a/pkg/buildermgr/common.go b/pkg/buildermgr/common.go
index 1d405528..2c256d61 100644
--- a/pkg/buildermgr/common.go
+++ b/pkg/buildermgr/common.go
@@ -19,7 +19,6 @@ package buildermgr
 import (
 	"context"
 	"fmt"
-	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	"net/http"
 	"strings"
 	"time"
@@ -27,14 +26,15 @@ import (
 	"github.com/dchest/uniuri"
 	"github.com/pkg/errors"
 	"go.uber.org/zap"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 
 	fv1 "github.com/fission/fission/pkg/apis/fission.io/v1"
 	"github.com/fission/fission/pkg/builder"
 	builderClient "github.com/fission/fission/pkg/builder/client"
 	"github.com/fission/fission/pkg/crd"
 	ferror "github.com/fission/fission/pkg/error"
+	"github.com/fission/fission/pkg/fetcher"
 	fetcherClient "github.com/fission/fission/pkg/fetcher/client"
-	"github.com/fission/fission/pkg/types"
 )
 
 // buildPackage helps to build source package into deployment package.
@@ -45,7 +45,7 @@ import (
 // 4. Return upload response and build logs.
 // *. Return build logs and error if any one of steps above failed.
 func buildPackage(ctx context.Context, logger *zap.Logger, fissionClient *crd.FissionClient, envBuilderNamespace string,
-	storageSvcUrl string, pkg *fv1.Package) (uploadResp *types.ArchiveUploadResponse, buildLogs string, err error) {
+	storageSvcUrl string, pkg *fv1.Package) (uploadResp *fetcher.ArchiveUploadResponse, buildLogs string, err error) {
 
 	env, err := fissionClient.V1().Environments(pkg.Spec.Environment.Namespace).Get(pkg.Spec.Environment.Name, metav1.GetOptions{})
 	if err != nil {
@@ -60,8 +60,8 @@ func buildPackage(ctx context.Context, logger *zap.Logger, fissionClient *crd.Fi
 	fetcherC := fetcherClient.MakeClient(logger, fmt.Sprintf("http://%v:8000", svcName))
 	builderC := builderClient.MakeClient(logger, fmt.Sprintf("http://%v:8001", svcName))
 
-	fetchReq := &types.FunctionFetchRequest{
-		FetchType:   types.FETCH_SOURCE,
+	fetchReq := &fetcher.FunctionFetchRequest{
+		FetchType:   fv1.FETCH_SOURCE,
 		Package:     pkg.ObjectMeta,
 		Filename:    srcPkgFilename,
 		KeepArchive: false,
@@ -103,7 +103,7 @@ func buildPackage(ctx context.Context, logger *zap.Logger, fissionClient *crd.Fi
 
 	archivePackage := !env.Spec.KeepArchive
 
-	uploadReq := &types.ArchiveUploadRequest{
+	uploadReq := &fetcher.ArchiveUploadRequest{
 		Filename:       buildResp.ArtifactFilename,
 		StorageSvcUrl:  storageSvcUrl,
 		ArchivePackage: archivePackage,
@@ -123,7 +123,7 @@ func buildPackage(ctx context.Context, logger *zap.Logger, fissionClient *crd.Fi
 
 func updatePackage(logger *zap.Logger, fissionClient *crd.FissionClient,
 	pkg *fv1.Package, status fv1.BuildStatus, buildLogs string,
-	uploadResp *types.ArchiveUploadResponse) (*fv1.Package, error) {
+	uploadResp *fetcher.ArchiveUploadResponse) (*fv1.Package, error) {
 
 	pkg.Status = fv1.PackageStatus{
 		BuildStatus:         status,
@@ -133,7 +133,7 @@ func updatePackage(logger *zap.Logger, fissionClient *crd.FissionClient,
 
 	if uploadResp != nil {
 		pkg.Spec.Deployment = fv1.Archive{
-			Type:     types.ArchiveTypeUrl,
+			Type:     fv1.ArchiveTypeUrl,
 			URL:      uploadResp.ArchiveDownloadUrl,
 			Checksum: uploadResp.Checksum,
 		}
diff --git a/pkg/buildermgr/envwatcher.go b/pkg/buildermgr/envwatcher.go
index 1953296c..c50c6412 100644
--- a/pkg/buildermgr/envwatcher.go
+++ b/pkg/buildermgr/envwatcher.go
@@ -36,7 +36,6 @@ import (
 	"github.com/fission/fission/pkg/crd"
 	"github.com/fission/fission/pkg/executor/util"
 	fetcherConfig "github.com/fission/fission/pkg/fetcher/config"
-	"github.com/fission/fission/pkg/types"
 	"github.com/fission/fission/pkg/utils"
 )
 
@@ -346,9 +345,9 @@ func (envw *environmentWatcher) createBuilder(env *fv1.Environment, ns string) (
 	// there should be only one deploy in deployList
 	if len(deployList) == 0 {
 		// create builder SA in this ns, if not already created
-		_, err := utils.SetupSA(envw.kubernetesClient, types.FissionBuilderSA, ns)
+		_, err := utils.SetupSA(envw.kubernetesClient, fv1.FissionBuilderSA, ns)
 		if err != nil {
-			return nil, errors.Wrapf(err, "error creating %q in ns: %s", types.FissionBuilderSA, ns)
+			return nil, errors.Wrapf(err, "error creating %q in ns: %s", fv1.FissionBuilderSA, ns)
 		}
 
 		deploy, err = envw.createBuilderDeployment(env, ns)
diff --git a/pkg/buildermgr/pkgwatcher.go b/pkg/buildermgr/pkgwatcher.go
index 12e87b8f..38367a6a 100644
--- a/pkg/buildermgr/pkgwatcher.go
+++ b/pkg/buildermgr/pkgwatcher.go
@@ -32,7 +32,6 @@ import (
 	fv1 "github.com/fission/fission/pkg/apis/fission.io/v1"
 	"github.com/fission/fission/pkg/cache"
 	"github.com/fission/fission/pkg/crd"
-	"github.com/fission/fission/pkg/types"
 	"github.com/fission/fission/pkg/utils"
 )
 
@@ -157,17 +156,17 @@ func (pkgw *packageWatcher) build(buildCache *cache.Cache, srcpkg *fv1.Package)
 			// Add the package getter rolebinding to builder sa
 			// we continue here if role binding was not setup succeesffully. this is because without this, the fetcher wont be able to fetch the source pkg into the container and
 			// the build will fail eventually
-			err := utils.SetupRoleBinding(pkgw.logger, pkgw.k8sClient, types.PackageGetterRB, pkg.ObjectMeta.Namespace, types.PackageGetterCR, types.ClusterRole, types.FissionBuilderSA, builderNs)
+			err := utils.SetupRoleBinding(pkgw.logger, pkgw.k8sClient, fv1.PackageGetterRB, pkg.ObjectMeta.Namespace, fv1.PackageGetterCR, fv1.ClusterRole, fv1.FissionBuilderSA, builderNs)
 			if err != nil {
 				pkgw.logger.Error("error setting up role binding for package",
 					zap.Error(err),
-					zap.String("role_binding", types.PackageGetterRB),
+					zap.String("role_binding", fv1.PackageGetterRB),
 					zap.String("package_name", pkg.ObjectMeta.Name),
 					zap.String("package_namespace", pkg.ObjectMeta.Namespace))
 				continue
 			} else {
 				pkgw.logger.Info("setup rolebinding for sa package",
-					zap.String("sa", fmt.Sprintf("%s.%s", types.FissionBuilderSA, builderNs)),
+					zap.String("sa", fmt.Sprintf("%s.%s", fv1.FissionBuilderSA, builderNs)),
 					zap.String("package", fmt.Sprintf("%s.%s", pkg.ObjectMeta.Name, pkg.ObjectMeta.Namespace)))
 			}
 
@@ -175,7 +174,7 @@ func (pkgw *packageWatcher) build(buildCache *cache.Cache, srcpkg *fv1.Package)
 			uploadResp, buildLogs, err := buildPackage(ctx, pkgw.logger, pkgw.fissionClient, builderNs, pkgw.storageSvcUrl, pkg)
 			if err != nil {
 				pkgw.logger.Error("error building package", zap.Error(err), zap.String("package_name", pkg.ObjectMeta.Name))
-				updatePackage(pkgw.logger, pkgw.fissionClient, pkg, types.BuildStatusFailed, buildLogs, nil)
+				updatePackage(pkgw.logger, pkgw.fissionClient, pkg, fv1.BuildStatusFailed, buildLogs, nil)
 				return
 			}
 
@@ -210,10 +209,10 @@ func (pkgw *packageWatcher) build(buildCache *cache.Cache, srcpkg *fv1.Package)
 			}
 
 			_, err = updatePackage(pkgw.logger, pkgw.fissionClient, pkg,
-				types.BuildStatusSucceeded, buildLogs, uploadResp)
+				fv1.BuildStatusSucceeded, buildLogs, uploadResp)
 			if err != nil {
 				pkgw.logger.Error("error updating package info", zap.Error(err), zap.String("package_name", pkg.ObjectMeta.Name))
-				updatePackage(pkgw.logger, pkgw.fissionClient, pkg, types.BuildStatusFailed, buildLogs, nil)
+				updatePackage(pkgw.logger, pkgw.fissionClient, pkg, fv1.BuildStatusFailed, buildLogs, nil)
 				return
 			}
 
@@ -223,7 +222,7 @@ func (pkgw *packageWatcher) build(buildCache *cache.Cache, srcpkg *fv1.Package)
 	}
 	// build timeout
 	updatePackage(pkgw.logger, pkgw.fissionClient, pkg,
-		types.BuildStatusFailed, "Build timeout due to environment builder not ready", nil)
+		fv1.BuildStatusFailed, "Build timeout due to environment builder not ready", nil)
 
 	pkgw.logger.Error("max retries exceeded in building source package, timeout due to environment builder not ready",
 		zap.String("package", fmt.Sprintf("%s.%s", pkg.ObjectMeta.Name, pkg.ObjectMeta.Namespace)))
diff --git a/pkg/canaryconfigmgr/canaryConfigMgr.go b/pkg/canaryconfigmgr/canaryConfigMgr.go
index ab43c44f..474ac5ce 100644
--- a/pkg/canaryconfigmgr/canaryConfigMgr.go
+++ b/pkg/canaryconfigmgr/canaryConfigMgr.go
@@ -35,7 +35,6 @@ import (
 
 	fv1 "github.com/fission/fission/pkg/apis/fission.io/v1"
 	"github.com/fission/fission/pkg/crd"
-	"github.com/fission/fission/pkg/types"
 )
 
 const (
@@ -112,7 +111,7 @@ func (canaryCfgMgr *canaryConfigMgr) initCanaryConfigController() (k8sCache.Stor
 		k8sCache.ResourceEventHandlerFuncs{
 			AddFunc: func(obj interface{}) {
 				canaryConfig := obj.(*fv1.CanaryConfig)
-				if canaryConfig.Status.Status == types.CanaryConfigStatusPending {
+				if canaryConfig.Status.Status == fv1.CanaryConfigStatusPending {
 					go canaryCfgMgr.addCanaryConfig(canaryConfig)
 				}
 			},
@@ -124,7 +123,7 @@ func (canaryCfgMgr *canaryConfigMgr) initCanaryConfigController() (k8sCache.Stor
 				oldConfig := oldObj.(*fv1.CanaryConfig)
 				newConfig := newObj.(*fv1.CanaryConfig)
 				if oldConfig.ObjectMeta.ResourceVersion != newConfig.ObjectMeta.ResourceVersion &&
-					newConfig.Status.Status == types.CanaryConfigStatusPending {
+					newConfig.Status.Status == fv1.CanaryConfigStatusPending {
 					canaryCfgMgr.logger.Info("update canary config invoked",
 						zap.String("name", newConfig.ObjectMeta.Name),
 						zap.String("namespace", newConfig.ObjectMeta.Namespace),
@@ -267,7 +266,7 @@ func (canaryCfgMgr *canaryConfigMgr) RollForwardOrBack(canaryConfig *fv1.CanaryC
 	}
 
 	// handle a race between ticker.Stop and receiving a notification on ticker.C
-	if canaryConfig.Status.Status != types.CanaryConfigStatusPending {
+	if canaryConfig.Status.Status != fv1.CanaryConfigStatusPending {
 		canaryCfgMgr.logger.Info("no need of processing the config, not pending anymore",
 			zap.String("name", canaryConfig.ObjectMeta.Name),
 			zap.String("namespace", canaryConfig.ObjectMeta.Namespace),
@@ -275,7 +274,7 @@ func (canaryCfgMgr *canaryConfigMgr) RollForwardOrBack(canaryConfig *fv1.CanaryC
 		return
 	}
 
-	if triggerObj.Spec.FunctionReference.Type == types.FunctionReferenceTypeFunctionWeights &&
+	if triggerObj.Spec.FunctionReference.Type == fv1.FunctionReferenceTypeFunctionWeights &&
 		triggerObj.Spec.FunctionReference.FunctionWeights[canaryConfig.Spec.NewFunction] != 0 {
 		failurePercent, err := canaryCfgMgr.promClient.GetFunctionFailurePercentage(triggerObj.Spec.RelativeURL, triggerObj.Spec.Method,
 			canaryConfig.Spec.NewFunction, canaryConfig.ObjectMeta.Namespace, canaryConfig.Spec.WeightIncrementDuration)
@@ -341,7 +340,7 @@ func (canaryCfgMgr *canaryConfigMgr) RollForwardOrBack(canaryConfig *fv1.CanaryC
 		// update the status of canary config as done processing, we dont care if we arent able to update because
 		// resync takes care of the update
 		err = canaryCfgMgr.updateCanaryConfigStatusWithRetries(canaryConfig.ObjectMeta.Name, canaryConfig.ObjectMeta.Namespace,
-			types.CanaryConfigStatusSucceeded)
+			fv1.CanaryConfigStatusSucceeded)
 		if err != nil {
 			// cant do much after max retries other than logging it.
 			canaryCfgMgr.logger.Error("error updating canary config after max retries",
@@ -452,7 +451,7 @@ func (canaryCfgMgr *canaryConfigMgr) rollback(canaryConfig *fv1.CanaryConfig, tr
 	}
 
 	err = canaryCfgMgr.updateCanaryConfigStatusWithRetries(canaryConfig.ObjectMeta.Name, canaryConfig.ObjectMeta.Namespace,
-		types.CanaryConfigStatusFailed)
+		fv1.CanaryConfigStatusFailed)
 
 	return err
 }
@@ -487,7 +486,7 @@ func (canaryCfgMgr *canaryConfigMgr) reSyncCanaryConfigs() {
 	for _, obj := range canaryCfgMgr.canaryConfigStore.List() {
 		canaryConfig := obj.(*fv1.CanaryConfig)
 		_, err := canaryCfgMgr.canaryCfgCancelFuncMap.lookup(&canaryConfig.ObjectMeta)
-		if err != nil && canaryConfig.Status.Status == types.CanaryConfigStatusPending {
+		if err != nil && canaryConfig.Status.Status == fv1.CanaryConfigStatusPending {
 			canaryCfgMgr.logger.Debug("adding canary config from resync loop",
 				zap.String("name", canaryConfig.ObjectMeta.Name),
 				zap.String("namespace", canaryConfig.ObjectMeta.Namespace),
diff --git a/pkg/controller/functionApi.go b/pkg/controller/functionApi.go
index 09d96289..e384b9d1 100644
--- a/pkg/controller/functionApi.go
+++ b/pkg/controller/functionApi.go
@@ -41,7 +41,6 @@ import (
 
 	fv1 "github.com/fission/fission/pkg/apis/fission.io/v1"
 	ferror "github.com/fission/fission/pkg/error"
-	"github.com/fission/fission/pkg/types"
 )
 
 func RegisterFunctionRoute(ws *restful.WebService) {
@@ -307,9 +306,9 @@ func (a *API) FunctionPodLogs(w http.ResponseWriter, r *http.Request) {
 
 	// Get function Pods first
 	selector := map[string]string{
-		types.FUNCTION_UID:          string(f.ObjectMeta.UID),
-		types.ENVIRONMENT_NAME:      f.Spec.Environment.Name,
-		types.ENVIRONMENT_NAMESPACE: f.Spec.Environment.Namespace,
+		fv1.FUNCTION_UID:          string(f.ObjectMeta.UID),
+		fv1.ENVIRONMENT_NAME:      f.Spec.Environment.Name,
+		fv1.ENVIRONMENT_NAMESPACE: f.Spec.Environment.Namespace,
 	}
 	podList, err := a.kubernetesClient.CoreV1().Pods(podNs).List(metav1.ListOptions{
 		LabelSelector: labels.Set(selector).AsSelector().String(),
diff --git a/pkg/controller/packageApi.go b/pkg/controller/packageApi.go
index 979bb8ce..1f175552 100644
--- a/pkg/controller/packageApi.go
+++ b/pkg/controller/packageApi.go
@@ -25,7 +25,6 @@ import (
 	"github.com/dustin/go-humanize"
 	"github.com/emicklei/go-restful"
 	restfulspec "github.com/emicklei/go-restful-openapi"
-	"github.com/fission/fission/pkg/types"
 	"github.com/go-openapi/spec"
 	"github.com/gorilla/mux"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
@@ -136,15 +135,15 @@ func (a *API) PackageApiCreate(w http.ResponseWriter, r *http.Request) {
 	}
 
 	// Ensure size limits
-	if len(f.Spec.Source.Literal) > int(types.ArchiveLiteralSizeLimit) {
+	if len(f.Spec.Source.Literal) > int(fv1.ArchiveLiteralSizeLimit) {
 		err := ferror.MakeError(ferror.ErrorInvalidArgument,
-			fmt.Sprintf("Package literal larger than %s", humanize.Bytes(uint64(types.ArchiveLiteralSizeLimit))))
+			fmt.Sprintf("Package literal larger than %s", humanize.Bytes(uint64(fv1.ArchiveLiteralSizeLimit))))
 		a.respondWithError(w, err)
 		return
 	}
-	if len(f.Spec.Deployment.Literal) > int(types.ArchiveLiteralSizeLimit) {
+	if len(f.Spec.Deployment.Literal) > int(fv1.ArchiveLiteralSizeLimit) {
 		err := ferror.MakeError(ferror.ErrorInvalidArgument,
-			fmt.Sprintf("Package literal larger than %s", humanize.Bytes(uint64(types.ArchiveLiteralSizeLimit))))
+			fmt.Sprintf("Package literal larger than %s", humanize.Bytes(uint64(fv1.ArchiveLiteralSizeLimit))))
 		a.respondWithError(w, err)
 		return
 	}
diff --git a/pkg/executor/executortype/newdeploy/newdeploy.go b/pkg/executor/executortype/newdeploy/newdeploy.go
index 641869a9..6df5629a 100644
--- a/pkg/executor/executortype/newdeploy/newdeploy.go
+++ b/pkg/executor/executortype/newdeploy/newdeploy.go
@@ -35,7 +35,6 @@ import (
 
 	fv1 "github.com/fission/fission/pkg/apis/fission.io/v1"
 	"github.com/fission/fission/pkg/executor/util"
-	"github.com/fission/fission/pkg/types"
 	"github.com/fission/fission/pkg/utils"
 )
 
@@ -127,7 +126,7 @@ func (deploy *NewDeploy) setupRBACObjs(deployNamespace string, fn *fv1.Function)
 	if err != nil {
 		deploy.logger.Error("error creating fission fetcher service account for function",
 			zap.Error(err),
-			zap.String("service_account_name", types.FissionFetcherSA),
+			zap.String("service_account_name", fv1.FissionFetcherSA),
 			zap.String("service_account_namespace", deployNamespace),
 			zap.String("function_name", fn.ObjectMeta.Name),
 			zap.String("function_namespace", fn.ObjectMeta.Namespace))
@@ -135,22 +134,22 @@ func (deploy *NewDeploy) setupRBACObjs(deployNamespace string, fn *fv1.Function)
 	}
 
 	// create a cluster role binding for the fetcher SA, if not already created, granting access to do a get on packages in any ns
-	err = utils.SetupRoleBinding(deploy.logger, deploy.kubernetesClient, types.PackageGetterRB, fn.Spec.Package.PackageRef.Namespace, types.PackageGetterCR, types.ClusterRole, types.FissionFetcherSA, deployNamespace)
+	err = utils.SetupRoleBinding(deploy.logger, deploy.kubernetesClient, fv1.PackageGetterRB, fn.Spec.Package.PackageRef.Namespace, fv1.PackageGetterCR, fv1.ClusterRole, fv1.FissionFetcherSA, deployNamespace)
 	if err != nil {
 		deploy.logger.Error("error creating role binding for function",
 			zap.Error(err),
-			zap.String("role_binding", types.PackageGetterRB),
+			zap.String("role_binding", fv1.PackageGetterRB),
 			zap.String("function_name", fn.ObjectMeta.Name),
 			zap.String("function_namespace", fn.ObjectMeta.Namespace))
 		return err
 	}
 
 	// create rolebinding in function namespace for fetcherSA.envNamespace to be able to get secrets and configmaps
-	err = utils.SetupRoleBinding(deploy.logger, deploy.kubernetesClient, types.SecretConfigMapGetterRB, fn.ObjectMeta.Namespace, types.SecretConfigMapGetterCR, types.ClusterRole, types.FissionFetcherSA, deployNamespace)
+	err = utils.SetupRoleBinding(deploy.logger, deploy.kubernetesClient, fv1.SecretConfigMapGetterRB, fn.ObjectMeta.Namespace, fv1.SecretConfigMapGetterCR, fv1.ClusterRole, fv1.FissionFetcherSA, deployNamespace)
 	if err != nil {
 		deploy.logger.Error("error creating role binding for function",
 			zap.Error(err),
-			zap.String("role_binding", types.SecretConfigMapGetterRB),
+			zap.String("role_binding", fv1.SecretConfigMapGetterRB),
 			zap.String("function_name", fn.ObjectMeta.Name),
 			zap.String("function_namespace", fn.ObjectMeta.Namespace))
 		return err
diff --git a/pkg/executor/executortype/newdeploy/newdeploymgr.go b/pkg/executor/executortype/newdeploy/newdeploymgr.go
index fb8ca389..4797a5d4 100644
--- a/pkg/executor/executortype/newdeploy/newdeploymgr.go
+++ b/pkg/executor/executortype/newdeploy/newdeploymgr.go
@@ -46,7 +46,6 @@ import (
 	"github.com/fission/fission/pkg/executor/reaper"
 	fetcherConfig "github.com/fission/fission/pkg/fetcher/config"
 	"github.com/fission/fission/pkg/throttler"
-	"github.com/fission/fission/pkg/types"
 	"github.com/fission/fission/pkg/utils"
 )
 
@@ -278,7 +277,7 @@ func (deploy *NewDeploy) CleanupOldExecutorObjects() {
 
 	errs := &multierror.Error{}
 	listOpts := metav1.ListOptions{
-		LabelSelector: labels.Set(map[string]string{types.EXECUTOR_TYPE: string(fv1.ExecutorTypeNewdeploy)}).AsSelector().String(),
+		LabelSelector: labels.Set(map[string]string{fv1.EXECUTOR_TYPE: string(fv1.ExecutorTypeNewdeploy)}).AsSelector().String(),
 	}
 
 	err := reaper.CleanupHpa(deploy.logger, deploy.kubernetesClient, deploy.instanceID, listOpts)
@@ -744,20 +743,20 @@ func (deploy *NewDeploy) getObjName(fn *fv1.Function) string {
 
 func (deploy *NewDeploy) getDeployLabels(fnMeta metav1.ObjectMeta, envMeta metav1.ObjectMeta) map[string]string {
 	return map[string]string{
-		types.EXECUTOR_TYPE:         string(fv1.ExecutorTypeNewdeploy),
-		types.ENVIRONMENT_NAME:      envMeta.Name,
-		types.ENVIRONMENT_NAMESPACE: envMeta.Namespace,
-		types.ENVIRONMENT_UID:       string(envMeta.UID),
-		types.FUNCTION_NAME:         fnMeta.Name,
-		types.FUNCTION_NAMESPACE:    fnMeta.Namespace,
-		types.FUNCTION_UID:          string(fnMeta.UID),
+		fv1.EXECUTOR_TYPE:         string(fv1.ExecutorTypeNewdeploy),
+		fv1.ENVIRONMENT_NAME:      envMeta.Name,
+		fv1.ENVIRONMENT_NAMESPACE: envMeta.Namespace,
+		fv1.ENVIRONMENT_UID:       string(envMeta.UID),
+		fv1.FUNCTION_NAME:         fnMeta.Name,
+		fv1.FUNCTION_NAMESPACE:    fnMeta.Namespace,
+		fv1.FUNCTION_UID:          string(fnMeta.UID),
 	}
 }
 
 func (deploy *NewDeploy) getDeployAnnotations(fnMeta metav1.ObjectMeta) map[string]string {
 	return map[string]string{
-		types.EXECUTOR_INSTANCEID_LABEL: deploy.instanceID,
-		types.FUNCTION_RESOURCE_VERSION: fnMeta.ResourceVersion,
+		fv1.EXECUTOR_INSTANCEID_LABEL: deploy.instanceID,
+		fv1.FUNCTION_RESOURCE_VERSION: fnMeta.ResourceVersion,
 	}
 }
 
diff --git a/pkg/executor/executortype/poolmgr/funcwatcher.go b/pkg/executor/executortype/poolmgr/funcwatcher.go
index 007c0f97..548a63f2 100644
--- a/pkg/executor/executortype/poolmgr/funcwatcher.go
+++ b/pkg/executor/executortype/poolmgr/funcwatcher.go
@@ -19,7 +19,6 @@ package poolmgr
 import (
 	"time"
 
-	"github.com/fission/fission/pkg/types"
 	"go.uber.org/zap"
 	apiv1 "k8s.io/api/core/v1"
 	kerrors "k8s.io/apimachinery/pkg/api/errors"
@@ -74,12 +73,12 @@ func (gpm *GenericPoolManager) makeFuncController(fissionClient *crd.FissionClie
 				// setup rolebinding is tried, if it fails, we dont return. we just log an error and move on, because :
 				// 1. not all functions have secrets and/or configmaps, so things will work without this rolebinding in that case.
 				// 2. on the contrary, when the route is tried, the env fetcher logs will show a 403 forbidden message and same will be relayed to executor.
-				err := utils.SetupRoleBinding(gpm.logger, kubernetesClient, types.SecretConfigMapGetterRB, fn.ObjectMeta.Namespace, types.SecretConfigMapGetterCR, types.ClusterRole, types.FissionFetcherSA, envNs)
+				err := utils.SetupRoleBinding(gpm.logger, kubernetesClient, fv1.SecretConfigMapGetterRB, fn.ObjectMeta.Namespace, fv1.SecretConfigMapGetterCR, fv1.ClusterRole, fv1.FissionFetcherSA, envNs)
 				if err != nil {
-					gpm.logger.Error("error creating rolebinding", zap.Error(err), zap.String("role_binding", types.SecretConfigMapGetterRB))
+					gpm.logger.Error("error creating rolebinding", zap.Error(err), zap.String("role_binding", fv1.SecretConfigMapGetterRB))
 				} else {
 					gpm.logger.Debug("successfully set up rolebinding for fetcher service account for function",
-						zap.String("service_account", types.FissionFetcherSA),
+						zap.String("service_account", fv1.FissionFetcherSA),
 						zap.String("service_account_namepsace", envNs),
 						zap.String("function_name", fn.ObjectMeta.Name),
 						zap.String("function_namespace", fn.ObjectMeta.Namespace))
@@ -187,15 +186,15 @@ func (gpm *GenericPoolManager) makeFuncController(fissionClient *crd.FissionClie
 						envNs = newFunc.Spec.Environment.Namespace
 					}
 
-					err := utils.SetupRoleBinding(gpm.logger, kubernetesClient, types.SecretConfigMapGetterRB,
-						newFunc.ObjectMeta.Namespace, types.SecretConfigMapGetterCR, types.ClusterRole,
-						types.FissionFetcherSA, envNs)
+					err := utils.SetupRoleBinding(gpm.logger, kubernetesClient, fv1.SecretConfigMapGetterRB,
+						newFunc.ObjectMeta.Namespace, fv1.SecretConfigMapGetterCR, fv1.ClusterRole,
+						fv1.FissionFetcherSA, envNs)
 
 					if err != nil {
-						gpm.logger.Error("error creating rolebinding", zap.Error(err), zap.String("role_binding", types.SecretConfigMapGetterRB))
+						gpm.logger.Error("error creating rolebinding", zap.Error(err), zap.String("role_binding", fv1.SecretConfigMapGetterRB))
 					} else {
 						gpm.logger.Debug("successfully set up rolebinding for fetcher service account for function",
-							zap.String("service_account", types.FissionFetcherSA),
+							zap.String("service_account", fv1.FissionFetcherSA),
 							zap.String("service_account_namepsace", envNs),
 							zap.String("function_name", newFunc.ObjectMeta.Name),
 							zap.String("function_namespace", newFunc.ObjectMeta.Namespace))
diff --git a/pkg/executor/executortype/poolmgr/gp.go b/pkg/executor/executortype/poolmgr/gp.go
index a5c512a1..968e6f06 100644
--- a/pkg/executor/executortype/poolmgr/gp.go
+++ b/pkg/executor/executortype/poolmgr/gp.go
@@ -26,7 +26,6 @@ import (
 	"time"
 
 	"github.com/dchest/uniuri"
-	"github.com/fission/fission/pkg/types"
 	"github.com/fission/fission/pkg/utils"
 	multierror "github.com/hashicorp/go-multierror"
 	"github.com/pkg/errors"
@@ -148,11 +147,11 @@ func MakeGenericPool(
 
 func (gp *GenericPool) getEnvironmentPoolLabels() map[string]string {
 	return map[string]string{
-		types.EXECUTOR_TYPE:         string(fv1.ExecutorTypePoolmgr),
-		types.ENVIRONMENT_NAME:      gp.env.ObjectMeta.Name,
-		types.ENVIRONMENT_NAMESPACE: gp.env.ObjectMeta.Namespace,
-		types.ENVIRONMENT_UID:       string(gp.env.ObjectMeta.UID),
-		"managed":                   "true", // this allows us to easily find pods managed by the deployment
+		fv1.EXECUTOR_TYPE:         string(fv1.ExecutorTypePoolmgr),
+		fv1.ENVIRONMENT_NAME:      gp.env.ObjectMeta.Name,
+		fv1.ENVIRONMENT_NAMESPACE: gp.env.ObjectMeta.Namespace,
+		fv1.ENVIRONMENT_UID:       string(gp.env.ObjectMeta.UID),
+		"managed":                 "true", // this allows us to easily find pods managed by the deployment
 	}
 }
 
@@ -241,7 +240,7 @@ func (gp *GenericPool) _choosePod(newLabels map[string]string) (*apiv1.Pod, erro
 		// and make a good scheduling decision.
 		chosenPod := readyPods[rand.Intn(len(readyPods))]
 
-		if gp.env.Spec.AllowedFunctionsPerContainer != types.AllowedFunctionsPerContainerInfinite {
+		if gp.env.Spec.AllowedFunctionsPerContainer != fv1.AllowedFunctionsPerContainerInfinite {
 			// Relabel.  If the pod already got picked and
 			// modified, this should fail; in that case just
 			// retry.
@@ -265,10 +264,10 @@ func (gp *GenericPool) _choosePod(newLabels map[string]string) (*apiv1.Pod, erro
 
 func (gp *GenericPool) labelsForFunction(metadata *metav1.ObjectMeta) map[string]string {
 	label := gp.getEnvironmentPoolLabels()
-	label[types.FUNCTION_NAME] = metadata.Name
-	label[types.FUNCTION_UID] = string(metadata.UID)
-	label[types.FUNCTION_NAMESPACE] = metadata.Namespace // function CRD must stay within same namespace of environment CRD
-	label["managed"] = "false"                           // this allows us to easily find pods not managed by the deployment
+	label[fv1.FUNCTION_NAME] = metadata.Name
+	label[fv1.FUNCTION_UID] = string(metadata.UID)
+	label[fv1.FUNCTION_NAMESPACE] = metadata.Namespace // function CRD must stay within same namespace of environment CRD
+	label["managed"] = "false"                         // this allows us to easily find pods not managed by the deployment
 	return label
 
 }
@@ -634,7 +633,7 @@ func (gp *GenericPool) getFuncSvc(ctx context.Context, fn *fv1.Function) (*fscac
 
 	// patch svc-host and resource version to the pod annotations for new executor to adopt the pod
 	patch := fmt.Sprintf(`{"metadata":{"annotations":{"%v":"%v","%v":"%v"}}}`,
-		types.ANNOTATION_SVC_HOST, svcHost, types.FUNCTION_RESOURCE_VERSION, fn.ObjectMeta.ResourceVersion)
+		fv1.ANNOTATION_SVC_HOST, svcHost, fv1.FUNCTION_RESOURCE_VERSION, fn.ObjectMeta.ResourceVersion)
 	p, err := gp.kubernetesClient.CoreV1().Pods(pod.Namespace).Patch(pod.Name, k8sTypes.StrategicMergePatchType, []byte(patch))
 	if err != nil {
 		// just log the error since it won't affect the function serving
diff --git a/pkg/executor/executortype/poolmgr/gpm.go b/pkg/executor/executortype/poolmgr/gpm.go
index d21cfff1..81023bb0 100644
--- a/pkg/executor/executortype/poolmgr/gpm.go
+++ b/pkg/executor/executortype/poolmgr/gpm.go
@@ -43,7 +43,6 @@ import (
 	"github.com/fission/fission/pkg/executor/fscache"
 	"github.com/fission/fission/pkg/executor/reaper"
 	fetcherConfig "github.com/fission/fission/pkg/fetcher/config"
-	"github.com/fission/fission/pkg/types"
 	"github.com/fission/fission/pkg/utils"
 )
 
@@ -278,7 +277,7 @@ func (gpm *GenericPoolManager) AdoptExistingResources() {
 	}
 
 	l := map[string]string{
-		types.EXECUTOR_TYPE: string(fv1.ExecutorTypePoolmgr),
+		fv1.EXECUTOR_TYPE: string(fv1.ExecutorTypePoolmgr),
 	}
 
 	podList, err := gpm.kubernetesClient.CoreV1().Pods(metav1.NamespaceAll).List(metav1.ListOptions{
@@ -303,7 +302,7 @@ func (gpm *GenericPoolManager) AdoptExistingResources() {
 			// avoid too many requests arrive Kubernetes API server at the same time.
 			time.Sleep(time.Duration(rand.Intn(30)) * time.Millisecond)
 
-			patch := fmt.Sprintf(`{"metadata":{"annotations":{"%v":"%v"}}}`, types.EXECUTOR_INSTANCEID_LABEL, gpm.instanceId)
+			patch := fmt.Sprintf(`{"metadata":{"annotations":{"%v":"%v"}}}`, fv1.EXECUTOR_INSTANCEID_LABEL, gpm.instanceId)
 			pod, err = gpm.kubernetesClient.CoreV1().Pods(pod.Namespace).Patch(pod.Name, k8sTypes.StrategicMergePatchType, []byte(patch))
 			if err != nil {
 				// just log the error since it won't affect the function serving
@@ -317,13 +316,13 @@ func (gpm *GenericPoolManager) AdoptExistingResources() {
 				return
 			}
 
-			fnName, ok1 := pod.Labels[types.FUNCTION_NAME]
-			fnNS, ok2 := pod.Labels[types.FUNCTION_NAMESPACE]
-			fnUID, ok3 := pod.Labels[types.FUNCTION_UID]
-			fnRV, ok4 := pod.Annotations[types.FUNCTION_RESOURCE_VERSION]
-			envName, ok5 := pod.Labels[types.ENVIRONMENT_NAME]
-			envNS, ok6 := pod.Labels[types.ENVIRONMENT_NAMESPACE]
-			svcHost, ok7 := pod.Annotations[types.ANNOTATION_SVC_HOST]
+			fnName, ok1 := pod.Labels[fv1.FUNCTION_NAME]
+			fnNS, ok2 := pod.Labels[fv1.FUNCTION_NAMESPACE]
+			fnUID, ok3 := pod.Labels[fv1.FUNCTION_UID]
+			fnRV, ok4 := pod.Annotations[fv1.FUNCTION_RESOURCE_VERSION]
+			envName, ok5 := pod.Labels[fv1.ENVIRONMENT_NAME]
+			envNS, ok6 := pod.Labels[fv1.ENVIRONMENT_NAMESPACE]
+			svcHost, ok7 := pod.Annotations[fv1.ANNOTATION_SVC_HOST]
 			env, ok8 := envMap[fmt.Sprintf("%v/%v", envNS, envName)]
 
 			if !(ok1 && ok2 && ok3 && ok4 && ok5 && ok6 && ok7 && ok8) {
@@ -382,7 +381,7 @@ func (gpm *GenericPoolManager) CleanupOldExecutorObjects() {
 
 	errs := &multierror.Error{}
 	listOpts := metav1.ListOptions{
-		LabelSelector: labels.Set(map[string]string{types.EXECUTOR_TYPE: string(fv1.ExecutorTypePoolmgr)}).AsSelector().String(),
+		LabelSelector: labels.Set(map[string]string{fv1.EXECUTOR_TYPE: string(fv1.ExecutorTypePoolmgr)}).AsSelector().String(),
 	}
 
 	err := reaper.CleanupDeployments(gpm.logger, gpm.kubernetesClient, gpm.instanceId, listOpts)
@@ -412,7 +411,7 @@ func (gpm *GenericPoolManager) service() {
 			if !ok {
 				poolsize := gpm.getEnvPoolsize(req.env)
 				switch req.env.Spec.AllowedFunctionsPerContainer {
-				case types.AllowedFunctionsPerContainerInfinite:
+				case fv1.AllowedFunctionsPerContainerInfinite:
 					poolsize = 1
 				}
 
@@ -589,7 +588,7 @@ func (gpm *GenericPoolManager) idleObjectReaper() {
 					zap.String("function", fsvc.Name))
 			}
 
-			if fsvc.Environment.Spec.AllowedFunctionsPerContainer == types.AllowedFunctionsPerContainerInfinite {
+			if fsvc.Environment.Spec.AllowedFunctionsPerContainer == fv1.AllowedFunctionsPerContainerInfinite {
 				continue
 			}
 
diff --git a/pkg/executor/executortype/poolmgr/packagewatcher.go b/pkg/executor/executortype/poolmgr/packagewatcher.go
index db0ab201..15c9bb12 100644
--- a/pkg/executor/executortype/poolmgr/packagewatcher.go
+++ b/pkg/executor/executortype/poolmgr/packagewatcher.go
@@ -19,7 +19,6 @@ package poolmgr
 import (
 	"time"
 
-	"github.com/fission/fission/pkg/types"
 	"github.com/fission/fission/pkg/utils"
 	"go.uber.org/zap"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
@@ -53,18 +52,18 @@ func (gpm *GenericPoolManager) makePkgController(fissionClient *crd.FissionClien
 
 				// here, we return if we hit an error during rolebinding setup. this is because this rolebinding is mandatory for
 				// every function's package to be loaded into its env. without that, there's no point to move forward.
-				err := utils.SetupRoleBinding(gpm.logger, kubernetesClient, types.PackageGetterRB, pkg.ObjectMeta.Namespace, types.PackageGetterCR, types.ClusterRole, types.FissionFetcherSA, envNs)
+				err := utils.SetupRoleBinding(gpm.logger, kubernetesClient, fv1.PackageGetterRB, pkg.ObjectMeta.Namespace, fv1.PackageGetterCR, fv1.ClusterRole, fv1.FissionFetcherSA, envNs)
 				if err != nil {
 					gpm.logger.Error("error creating rolebinding for package",
 						zap.Error(err),
-						zap.String("role_binding", types.PackageGetterRB),
+						zap.String("role_binding", fv1.PackageGetterRB),
 						zap.String("package_name", pkg.ObjectMeta.Name),
 						zap.String("package_namespace", pkg.ObjectMeta.Namespace))
 					return
 				}
 
 				gpm.logger.Debug("successfully set up rolebinding for fetcher service account",
-					zap.String("service_account", types.FissionFetcherSA),
+					zap.String("service_account", fv1.FissionFetcherSA),
 					zap.String("service_account_namespace", envNs),
 					zap.String("package_name", pkg.ObjectMeta.Name),
 					zap.String("package_namespace", pkg.ObjectMeta.Namespace))
@@ -87,20 +86,20 @@ func (gpm *GenericPoolManager) makePkgController(fissionClient *crd.FissionClien
 						envNs = newPkg.Spec.Environment.Namespace
 					}
 
-					err := utils.SetupRoleBinding(gpm.logger, kubernetesClient, types.PackageGetterRB,
-						newPkg.ObjectMeta.Namespace, types.PackageGetterCR, types.ClusterRole,
-						types.FissionFetcherSA, envNs)
+					err := utils.SetupRoleBinding(gpm.logger, kubernetesClient, fv1.PackageGetterRB,
+						newPkg.ObjectMeta.Namespace, fv1.PackageGetterCR, fv1.ClusterRole,
+						fv1.FissionFetcherSA, envNs)
 					if err != nil {
 						gpm.logger.Error("error updating rolebinding for package",
 							zap.Error(err),
-							zap.String("role_binding", types.PackageGetterRB),
+							zap.String("role_binding", fv1.PackageGetterRB),
 							zap.String("package_name", newPkg.ObjectMeta.Name),
 							zap.String("package_namespace", newPkg.ObjectMeta.Namespace))
 						return
 					}
 
 					gpm.logger.Debug("successfully updated rolebinding for fetcher service account",
-						zap.String("service_account", types.FissionFetcherSA),
+						zap.String("service_account", fv1.FissionFetcherSA),
 						zap.String("service_account_namespace", envNs),
 						zap.String("package_name", newPkg.ObjectMeta.Name),
 						zap.String("package_namespace", newPkg.ObjectMeta.Namespace))
diff --git a/pkg/executor/reaper/reaper.go b/pkg/executor/reaper/reaper.go
index 51e8d7ff..eedac454 100644
--- a/pkg/executor/reaper/reaper.go
+++ b/pkg/executor/reaper/reaper.go
@@ -27,7 +27,6 @@ import (
 
 	fv1 "github.com/fission/fission/pkg/apis/fission.io/v1"
 	"github.com/fission/fission/pkg/crd"
-	"github.com/fission/fission/pkg/types"
 	"github.com/fission/fission/pkg/utils"
 )
 
@@ -75,10 +74,10 @@ func CleanupDeployments(logger *zap.Logger, client *kubernetes.Clientset, instan
 		return err
 	}
 	for _, dep := range deploymentList.Items {
-		id, ok := dep.ObjectMeta.Annotations[types.EXECUTOR_INSTANCEID_LABEL]
+		id, ok := dep.ObjectMeta.Annotations[fv1.EXECUTOR_INSTANCEID_LABEL]
 		if !ok {
 			// Backward compatibility with older label name
-			id, ok = dep.ObjectMeta.Labels[types.EXECUTOR_INSTANCEID_LABEL]
+			id, ok = dep.ObjectMeta.Labels[fv1.EXECUTOR_INSTANCEID_LABEL]
 		}
 		if ok && id != instanceId {
 			logger.Info("cleaning up deployment", zap.String("deployment", dep.ObjectMeta.Name))
@@ -101,10 +100,10 @@ func CleanupPods(logger *zap.Logger, client *kubernetes.Clientset, instanceId st
 		return err
 	}
 	for _, pod := range podList.Items {
-		id, ok := pod.ObjectMeta.Annotations[types.EXECUTOR_INSTANCEID_LABEL]
+		id, ok := pod.ObjectMeta.Annotations[fv1.EXECUTOR_INSTANCEID_LABEL]
 		if !ok {
 			// Backward compatibility with older label name
-			id, ok = pod.ObjectMeta.Labels[types.EXECUTOR_INSTANCEID_LABEL]
+			id, ok = pod.ObjectMeta.Labels[fv1.EXECUTOR_INSTANCEID_LABEL]
 		}
 		if ok && id != instanceId {
 			logger.Info("cleaning up pod", zap.String("pod", pod.ObjectMeta.Name))
@@ -127,10 +126,10 @@ func CleanupServices(logger *zap.Logger, client *kubernetes.Clientset, instanceI
 		return err
 	}
 	for _, svc := range svcList.Items {
-		id, ok := svc.ObjectMeta.Annotations[types.EXECUTOR_INSTANCEID_LABEL]
+		id, ok := svc.ObjectMeta.Annotations[fv1.EXECUTOR_INSTANCEID_LABEL]
 		if !ok {
 			// Backward compatibility with older label name
-			id, ok = svc.ObjectMeta.Labels[types.EXECUTOR_INSTANCEID_LABEL]
+			id, ok = svc.ObjectMeta.Labels[fv1.EXECUTOR_INSTANCEID_LABEL]
 		}
 		if ok && id != instanceId {
 			logger.Info("cleaning up service", zap.String("service", svc.ObjectMeta.Name))
@@ -154,10 +153,10 @@ func CleanupHpa(logger *zap.Logger, client *kubernetes.Clientset, instanceId str
 	}
 
 	for _, hpa := range hpaList.Items {
-		id, ok := hpa.ObjectMeta.Annotations[types.EXECUTOR_INSTANCEID_LABEL]
+		id, ok := hpa.ObjectMeta.Annotations[fv1.EXECUTOR_INSTANCEID_LABEL]
 		if !ok {
 			// Backward compatibility with older label name
-			id, ok = hpa.ObjectMeta.Labels[types.EXECUTOR_INSTANCEID_LABEL]
+			id, ok = hpa.ObjectMeta.Labels[fv1.EXECUTOR_INSTANCEID_LABEL]
 		}
 		if ok && id != instanceId {
 			logger.Info("cleaning up HPA", zap.String("hpa", hpa.ObjectMeta.Name))
@@ -199,7 +198,7 @@ func CleanupRoleBindings(logger *zap.Logger, client *kubernetes.Clientset, fissi
 			}
 
 			// ignore role-bindings not created by fission
-			if roleBinding.Name != types.PackageGetterRB && roleBinding.Name != types.SecretConfigMapGetterRB {
+			if roleBinding.Name != fv1.PackageGetterRB && roleBinding.Name != fv1.SecretConfigMapGetterRB {
 				continue
 			}
 
@@ -250,7 +249,7 @@ func CleanupRoleBindings(logger *zap.Logger, client *kubernetes.Clientset, fissi
 
 				// if its a package-getter-rb, we have 2 kinds of SAs and each of them is handled differently
 				// else if its a secret-configmap-rb, we have only one SA which is fission-fetcher
-				if roleBinding.Name == types.PackageGetterRB {
+				if roleBinding.Name == fv1.PackageGetterRB {
 					// check if there is an env obj in saNs
 					envList, err := fissionClient.V1().Environments(saNs).List(meta_v1.ListOptions{})
 					if err != nil {
@@ -263,7 +262,7 @@ func CleanupRoleBindings(logger *zap.Logger, client *kubernetes.Clientset, fissi
 					// if there's at least one function in the role-binding namespace with env reference
 					// to the SA's namespace.
 					// if neither, then we can remove this SA from this role-binding
-					if subj.Name == types.FissionBuilderSA {
+					if subj.Name == fv1.FissionBuilderSA {
 						if len(envList.Items) == 0 && !funcEnvReference {
 							saToRemove[utils.MakeSAMapKey(subj.Name, subj.Namespace)] = true
 						}
@@ -273,13 +272,13 @@ func CleanupRoleBindings(logger *zap.Logger, client *kubernetes.Clientset, fissi
 					// we also need to check if there's at least one function with executor type New deploy
 					// in the rolebinding's namespace.
 					// if none of them are true, then remove this SA from this role-binding
-					if subj.Name == types.FissionFetcherSA {
+					if subj.Name == fv1.FissionFetcherSA {
 						if len(envList.Items) == 0 && !ndmFunc && !funcEnvReference {
 							// remove SA from rolebinding
 							saToRemove[utils.MakeSAMapKey(subj.Name, subj.Namespace)] = true
 						}
 					}
-				} else if roleBinding.Name == types.SecretConfigMapGetterRB {
+				} else if roleBinding.Name == fv1.SecretConfigMapGetterRB {
 					// if there's not even one function in the role-binding's namespace and there's not even
 					// one function with env reference to the SA's namespace, then remove that SA
 					// from this role-binding
diff --git a/pkg/fetcher/client/client.go b/pkg/fetcher/client/client.go
index fa8457c0..ca6551f9 100644
--- a/pkg/fetcher/client/client.go
+++ b/pkg/fetcher/client/client.go
@@ -15,7 +15,7 @@ import (
 	"golang.org/x/net/context/ctxhttp"
 
 	ferror "github.com/fission/fission/pkg/error"
-	"github.com/fission/fission/pkg/types"
+	"github.com/fission/fission/pkg/fetcher"
 )
 
 type (
@@ -48,23 +48,23 @@ func (c *Client) getUploadUrl() string {
 	return c.url + "/upload"
 }
 
-func (c *Client) Specialize(ctx context.Context, req *types.FunctionSpecializeRequest) error {
+func (c *Client) Specialize(ctx context.Context, req *fetcher.FunctionSpecializeRequest) error {
 	_, err := sendRequest(c.logger, ctx, c.httpClient, req, c.getSpecializeUrl())
 	return err
 }
 
-func (c *Client) Fetch(ctx context.Context, fr *types.FunctionFetchRequest) error {
+func (c *Client) Fetch(ctx context.Context, fr *fetcher.FunctionFetchRequest) error {
 	_, err := sendRequest(c.logger, ctx, c.httpClient, fr, c.getFetchUrl())
 	return err
 }
 
-func (c *Client) Upload(ctx context.Context, fr *types.ArchiveUploadRequest) (*types.ArchiveUploadResponse, error) {
+func (c *Client) Upload(ctx context.Context, fr *fetcher.ArchiveUploadRequest) (*fetcher.ArchiveUploadResponse, error) {
 	body, err := sendRequest(c.logger, ctx, c.httpClient, fr, c.getUploadUrl())
 	if err != nil {
 		return nil, err
 	}
 
-	uploadResp := types.ArchiveUploadResponse{}
+	uploadResp := fetcher.ArchiveUploadResponse{}
 	err = json.Unmarshal(body, &uploadResp)
 	if err != nil {
 		return nil, err
diff --git a/pkg/fetcher/config/config.go b/pkg/fetcher/config/config.go
index 01360b91..d6e02fcf 100644
--- a/pkg/fetcher/config/config.go
+++ b/pkg/fetcher/config/config.go
@@ -16,7 +16,7 @@ import (
 	"k8s.io/client-go/kubernetes"
 
 	fv1 "github.com/fission/fission/pkg/apis/fission.io/v1"
-	"github.com/fission/fission/pkg/types"
+	"github.com/fission/fission/pkg/fetcher"
 	"github.com/fission/fission/pkg/utils"
 )
 
@@ -88,14 +88,14 @@ func MakeFetcherConfig(sharedMountPath string) (*Config, error) {
 		sharedSecretPath:        "/secrets",
 		sharedCfgMapPath:        "/configs",
 		jaegerCollectorEndpoint: os.Getenv("TRACE_JAEGER_COLLECTOR_ENDPOINT"),
-		serviceAccount:          types.FissionFetcherSA,
+		serviceAccount:          fv1.FissionFetcherSA,
 	}, nil
 }
 
 func (cfg *Config) SetupServiceAccount(kubernetesClient *kubernetes.Clientset, namespace string, context interface{}) error {
-	_, err := utils.SetupSA(kubernetesClient, types.FissionFetcherSA, namespace)
+	_, err := utils.SetupSA(kubernetesClient, fv1.FissionFetcherSA, namespace)
 	if err != nil {
-		log.Printf("Error : %v creating %s in ns : %s for: %#v", err, types.FissionFetcherSA, namespace, context)
+		log.Printf("Error : %v creating %s in ns : %s for: %#v", err, fv1.FissionFetcherSA, namespace, context)
 		return err
 	}
 
@@ -106,7 +106,7 @@ func (cfg *Config) SharedMountPath() string {
 	return cfg.sharedMountPath
 }
 
-func (cfg *Config) NewSpecializeRequest(fn *fv1.Function, env *fv1.Environment) types.FunctionSpecializeRequest {
+func (cfg *Config) NewSpecializeRequest(fn *fv1.Function, env *fv1.Environment) fetcher.FunctionSpecializeRequest {
 	// for backward compatibility, since most v1 env
 	// still try to load user function from hard coded
 	// path /userfunc/user
@@ -115,9 +115,9 @@ func (cfg *Config) NewSpecializeRequest(fn *fv1.Function, env *fv1.Environment)
 		targetFilename = string(fn.ObjectMeta.UID)
 	}
 
-	return types.FunctionSpecializeRequest{
-		FetchReq: types.FunctionFetchRequest{
-			FetchType: types.FETCH_DEPLOYMENT,
+	return fetcher.FunctionSpecializeRequest{
+		FetchReq: fetcher.FunctionFetchRequest{
+			FetchType: fv1.FETCH_DEPLOYMENT,
 			Package: metav1.ObjectMeta{
 				Namespace: fn.Spec.Package.PackageRef.Namespace,
 				Name:      fn.Spec.Package.PackageRef.Name,
@@ -127,7 +127,7 @@ func (cfg *Config) NewSpecializeRequest(fn *fv1.Function, env *fv1.Environment)
 			ConfigMaps:  fn.Spec.ConfigMaps,
 			KeepArchive: env.Spec.KeepArchive,
 		},
-		LoadReq: types.FunctionLoadRequest{
+		LoadReq: fetcher.FunctionLoadRequest{
 			FilePath:         filepath.Join(cfg.sharedMountPath, targetFilename),
 			FunctionName:     fn.Spec.Package.FunctionName,
 			FunctionMetadata: &fn.ObjectMeta,
@@ -172,19 +172,19 @@ func (cfg *Config) fetcherCommand(extraArgs ...string) []string {
 func (cfg *Config) volumesWithMounts() ([]apiv1.Volume, []apiv1.VolumeMount) {
 	volumes := []apiv1.Volume{
 		{
-			Name: types.SharedVolumeUserfunc,
+			Name: fv1.SharedVolumeUserfunc,
 			VolumeSource: apiv1.VolumeSource{
 				EmptyDir: &apiv1.EmptyDirVolumeSource{},
 			},
 		},
 		{
-			Name: types.SharedVolumeSecrets,
+			Name: fv1.SharedVolumeSecrets,
 			VolumeSource: apiv1.VolumeSource{
 				EmptyDir: &apiv1.EmptyDirVolumeSource{},
 			},
 		},
 		{
-			Name: types.SharedVolumeConfigmaps,
+			Name: fv1.SharedVolumeConfigmaps,
 			VolumeSource: apiv1.VolumeSource{
 				EmptyDir: &apiv1.EmptyDirVolumeSource{},
 			},
@@ -192,15 +192,15 @@ func (cfg *Config) volumesWithMounts() ([]apiv1.Volume, []apiv1.VolumeMount) {
 	}
 	mounts := []apiv1.VolumeMount{
 		{
-			Name:      types.SharedVolumeUserfunc,
+			Name:      fv1.SharedVolumeUserfunc,
 			MountPath: cfg.sharedMountPath,
 		},
 		{
-			Name:      types.SharedVolumeSecrets,
+			Name:      fv1.SharedVolumeSecrets,
 			MountPath: cfg.sharedSecretPath,
 		},
 		{
-			Name:      types.SharedVolumeConfigmaps,
+			Name:      fv1.SharedVolumeConfigmaps,
 			MountPath: cfg.sharedCfgMapPath,
 		},
 	}
@@ -289,7 +289,7 @@ func (cfg *Config) addFetcherToPodSpecWithCommand(podSpec *apiv1.PodSpec, mainCo
 	podSpec.Volumes = append(podSpec.Volumes, volumes...)
 	podSpec.Containers = append(podSpec.Containers, c)
 	if podSpec.ServiceAccountName == "" {
-		podSpec.ServiceAccountName = types.FissionFetcherSA
+		podSpec.ServiceAccountName = fv1.FissionFetcherSA
 	}
 
 	return nil
diff --git a/pkg/fetcher/fetcher.go b/pkg/fetcher/fetcher.go
index d1049356..b97ed4a2 100644
--- a/pkg/fetcher/fetcher.go
+++ b/pkg/fetcher/fetcher.go
@@ -42,7 +42,6 @@ import (
 	"github.com/fission/fission/pkg/error/network"
 	"github.com/fission/fission/pkg/info"
 	storageSvcClient "github.com/fission/fission/pkg/storagesvc/client"
-	"github.com/fission/fission/pkg/types"
 	"github.com/fission/fission/pkg/utils"
 )
 
@@ -139,7 +138,7 @@ func (fetcher *Fetcher) FetchHandler(w http.ResponseWriter, r *http.Request) {
 		http.Error(w, err.Error(), http.StatusInternalServerError)
 		return
 	}
-	var req types.FunctionFetchRequest
+	var req FunctionFetchRequest
 	err = json.Unmarshal(body, &req)
 	if err != nil {
 		fetcher.logger.Error("error parsing request body", zap.Error(err))
@@ -187,7 +186,7 @@ func (fetcher *Fetcher) SpecializeHandler(w http.ResponseWriter, r *http.Request
 		http.Error(w, err.Error(), http.StatusInternalServerError)
 		return
 	}
-	var req types.FunctionSpecializeRequest
+	var req FunctionSpecializeRequest
 	err = json.Unmarshal(body, &req)
 	if err != nil {
 		fetcher.logger.Error("error parsing request body", zap.Error(err))
@@ -208,7 +207,7 @@ func (fetcher *Fetcher) SpecializeHandler(w http.ResponseWriter, r *http.Request
 
 // Fetch takes FetchRequest and makes the fetch call
 // It returns the HTTP code and error if any
-func (fetcher *Fetcher) Fetch(ctx context.Context, pkg *fv1.Package, req types.FunctionFetchRequest) (int, error) {
+func (fetcher *Fetcher) Fetch(ctx context.Context, pkg *fv1.Package, req FunctionFetchRequest) (int, error) {
 	// check that the requested filename is not an empty string and error out if so
 	if len(req.Filename) == 0 {
 		e := "fetch request received for an empty file name"
@@ -227,7 +226,7 @@ func (fetcher *Fetcher) Fetch(ctx context.Context, pkg *fv1.Package, req types.F
 	tmpFile := req.Filename + ".tmp"
 	tmpPath := filepath.Join(fetcher.sharedVolumePath, tmpFile)
 
-	if req.FetchType == types.FETCH_URL {
+	if req.FetchType == fv1.FETCH_URL {
 		// fetch the file and save it to the tmp path
 		err := utils.DownloadUrl(ctx, fetcher.httpClient, req.Url, tmpPath)
 		if err != nil {
@@ -237,15 +236,15 @@ func (fetcher *Fetcher) Fetch(ctx context.Context, pkg *fv1.Package, req types.F
 		}
 	} else {
 		var archive *fv1.Archive
-		if req.FetchType == types.FETCH_SOURCE {
+		if req.FetchType == fv1.FETCH_SOURCE {
 			archive = &pkg.Spec.Source
-		} else if req.FetchType == types.FETCH_DEPLOYMENT {
+		} else if req.FetchType == fv1.FETCH_DEPLOYMENT {
 			// sometimes, the user may invoke the function even before the source code is built into a deploy pkg.
 			// this results in executor sending a fetch request of type FETCH_DEPLOYMENT and since pkg.Spec.Deployment.Url will be empty,
 			// we hit this "Get : unsupported protocol scheme "" error.
 			// it may be useful to the user if we can send a more meaningful error in such a scenario.
-			if pkg.Status.BuildStatus != types.BuildStatusSucceeded && pkg.Status.BuildStatus != types.BuildStatusNone {
-				e := fmt.Sprintf("cannot fetch deployment: package build status was not %q", types.BuildStatusSucceeded)
+			if pkg.Status.BuildStatus != fv1.BuildStatusSucceeded && pkg.Status.BuildStatus != fv1.BuildStatusNone {
+				e := fmt.Sprintf("cannot fetch deployment: package build status was not %q", fv1.BuildStatusSucceeded)
 				fetcher.logger.Error(e,
 					zap.String("package_name", pkg.ObjectMeta.Name),
 					zap.String("package_namespace", pkg.ObjectMeta.Namespace),
@@ -441,7 +440,7 @@ func (fetcher *Fetcher) UploadHandler(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	var req types.ArchiveUploadRequest
+	var req ArchiveUploadRequest
 	err = json.Unmarshal(body, &req)
 	if err != nil {
 		fetcher.logger.Error("error parsing request body", zap.Error(err))
@@ -491,7 +490,7 @@ func (fetcher *Fetcher) UploadHandler(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	resp := types.ArchiveUploadResponse{
+	resp := ArchiveUploadResponse{
 		ArchiveDownloadUrl: ssClient.GetUrl(fileID),
 		Checksum:           *sum,
 	}
@@ -548,7 +547,7 @@ func (fetcher *Fetcher) unarchive(src string, dst string) error {
 }
 
 // getPkgInformation gets package information from k8s api server.
-func (fetcher *Fetcher) getPkgInformation(req types.FunctionFetchRequest) (pkg *fv1.Package, err error) {
+func (fetcher *Fetcher) getPkgInformation(req FunctionFetchRequest) (pkg *fv1.Package, err error) {
 	maxRetries := 5
 	for i := 0; i < maxRetries; i++ {
 		pkg, err = fetcher.fissionClient.V1().Packages(req.Package.Namespace).Get(req.Package.Name, metav1.GetOptions{})
@@ -569,7 +568,7 @@ func (fetcher *Fetcher) getPkgInformation(req types.FunctionFetchRequest) (pkg *
 	return nil, err
 }
 
-func (fetcher *Fetcher) SpecializePod(ctx context.Context, fetchReq types.FunctionFetchRequest, loadReq types.FunctionLoadRequest) error {
+func (fetcher *Fetcher) SpecializePod(ctx context.Context, fetchReq FunctionFetchRequest, loadReq FunctionLoadRequest) error {
 	startTime := time.Now()
 	defer func() {
 		elapsed := time.Since(startTime)
diff --git a/pkg/fetcher/types.go b/pkg/fetcher/types.go
new file mode 100644
index 00000000..3203d0af
--- /dev/null
+++ b/pkg/fetcher/types.go
@@ -0,0 +1,85 @@
+/*
+Copyright 2016 The Fission Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package fetcher
+
+import (
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+
+	fv1 "github.com/fission/fission/pkg/apis/fission.io/v1"
+)
+
+//
+// Fission-Environment interface. The following types are not
+// exposed in the Fission API, but rather used by Fission to
+// talk to environments.
+//
+type (
+	FetchRequestType int
+
+	FunctionSpecializeRequest struct {
+		FetchReq FunctionFetchRequest
+		LoadReq  FunctionLoadRequest
+	}
+
+	FunctionFetchRequest struct {
+		FetchType     FetchRequestType         `json:"fetchType"`
+		Package       metav1.ObjectMeta        `json:"package"`
+		Url           string                   `json:"url"`
+		StorageSvcUrl string                   `json:"storagesvcurl"`
+		Filename      string                   `json:"filename"`
+		Secrets       []fv1.SecretReference    `json:"secretList"`
+		ConfigMaps    []fv1.ConfigMapReference `json:"configMapList"`
+		KeepArchive   bool                     `json:"keeparchive"`
+	}
+
+	FunctionLoadRequest struct {
+		// FilePath is an absolute filesystem path to the
+		// function. What exactly is stored here is
+		// env-specific. Optional.
+		FilePath string `json:"filepath"`
+
+		// FunctionName has an environment-specific meaning;
+		// usually, it defines a function within a module
+		// containing multiple functions. Optional; default is
+		// environment-specific.
+		FunctionName string `json:"functionName"`
+
+		// URL to expose this function at. Optional; defaults
+		// to "/".
+		URL string `json:"url"`
+
+		// Metatdata
+		FunctionMetadata *metav1.ObjectMeta
+
+		EnvVersion int `json:"envVersion"`
+	}
+
+	// ArchiveUploadRequest send from builder manager describes which
+	// deployment package should be upload to storage service.
+	ArchiveUploadRequest struct {
+		Filename       string `json:"filename"`
+		StorageSvcUrl  string `json:"storagesvcurl"`
+		ArchivePackage bool   `json:"archivepackage"`
+	}
+
+	// ArchiveUploadResponse defines the download url of an archive and
+	// its checksum.
+	ArchiveUploadResponse struct {
+		ArchiveDownloadUrl string       `json:"archiveDownloadUrl"`
+		Checksum           fv1.Checksum `json:"checksum"`
+	}
+)
diff --git a/pkg/fission-cli/cmd/canaryconfig/create.go b/pkg/fission-cli/cmd/canaryconfig/create.go
index 39905868..8d5a85c5 100644
--- a/pkg/fission-cli/cmd/canaryconfig/create.go
+++ b/pkg/fission-cli/cmd/canaryconfig/create.go
@@ -28,7 +28,6 @@ import (
 	"github.com/fission/fission/pkg/fission-cli/cmd"
 	flagkey "github.com/fission/fission/pkg/fission-cli/flag/key"
 	"github.com/fission/fission/pkg/fission-cli/util"
-	"github.com/fission/fission/pkg/types"
 )
 
 type CreateSubCommand struct {
@@ -76,7 +75,7 @@ func (opts *CreateSubCommand) complete(input cli.Input) error {
 	}
 
 	// check that the trigger has function reference type function weights
-	if htTrigger.Spec.FunctionReference.Type != types.FunctionReferenceTypeFunctionWeights {
+	if htTrigger.Spec.FunctionReference.Type != fv1.FunctionReferenceTypeFunctionWeights {
 		return errors.New("canary config cannot be created for http triggers that do not reference functions by weights")
 	}
 
diff --git a/pkg/fission-cli/cmd/mqtrigger/create.go b/pkg/fission-cli/cmd/mqtrigger/create.go
index 59296ee1..d1004312 100644
--- a/pkg/fission-cli/cmd/mqtrigger/create.go
+++ b/pkg/fission-cli/cmd/mqtrigger/create.go
@@ -30,7 +30,6 @@ import (
 	"github.com/fission/fission/pkg/fission-cli/console"
 	flagkey "github.com/fission/fission/pkg/fission-cli/flag/key"
 	"github.com/fission/fission/pkg/fission-cli/util"
-	"github.com/fission/fission/pkg/types"
 )
 
 type CreateSubCommand struct {
@@ -62,13 +61,13 @@ func (opts *CreateSubCommand) complete(input cli.Input) error {
 	var mqType fv1.MessageQueueType
 	switch input.String(flagkey.MqtMQType) {
 	case "":
-		mqType = types.MessageQueueTypeNats
-	case types.MessageQueueTypeNats:
-		mqType = types.MessageQueueTypeNats
-	case types.MessageQueueTypeASQ:
-		mqType = types.MessageQueueTypeASQ
-	case types.MessageQueueTypeKafka:
-		mqType = types.MessageQueueTypeKafka
+		mqType = fv1.MessageQueueTypeNats
+	case fv1.MessageQueueTypeNats:
+		mqType = fv1.MessageQueueTypeNats
+	case fv1.MessageQueueTypeASQ:
+		mqType = fv1.MessageQueueTypeASQ
+	case fv1.MessageQueueTypeKafka:
+		mqType = fv1.MessageQueueTypeKafka
 	default:
 		return errors.New("Unknown message queue type, currently only \"nats-streaming, azure-storage-queue, kafka \" is supported")
 	}
@@ -131,7 +130,7 @@ func (opts *CreateSubCommand) complete(input cli.Input) error {
 		},
 		Spec: fv1.MessageQueueTriggerSpec{
 			FunctionReference: fv1.FunctionReference{
-				Type: types.FunctionReferenceTypeFunctionName,
+				Type: fv1.FunctionReferenceTypeFunctionName,
 				Name: fnName,
 			},
 			MessageQueueType: mqType,
diff --git a/pkg/fission-cli/cmd/package/util/util.go b/pkg/fission-cli/cmd/package/util/util.go
index d2aefeb0..7508ac58 100644
--- a/pkg/fission-cli/cmd/package/util/util.go
+++ b/pkg/fission-cli/cmd/package/util/util.go
@@ -33,7 +33,6 @@ import (
 	fv1 "github.com/fission/fission/pkg/apis/fission.io/v1"
 	"github.com/fission/fission/pkg/controller/client"
 	storageSvcClient "github.com/fission/fission/pkg/storagesvc/client"
-	"github.com/fission/fission/pkg/types"
 	"github.com/fission/fission/pkg/utils"
 )
 
@@ -45,7 +44,7 @@ func UploadArchiveFile(ctx context.Context, client client.Interface, fileName st
 		return nil, err
 	}
 
-	if size < types.ArchiveLiteralSizeLimit {
+	if size < fv1.ArchiveLiteralSizeLimit {
 		archive.Type = fv1.ArchiveTypeLiteral
 		archive.Literal, err = GetContents(fileName)
 		if err != nil {
diff --git a/pkg/fission-cli/cmd/spec/apply.go b/pkg/fission-cli/cmd/spec/apply.go
index e6cd3e32..afaece81 100644
--- a/pkg/fission-cli/cmd/spec/apply.go
+++ b/pkg/fission-cli/cmd/spec/apply.go
@@ -40,7 +40,6 @@ import (
 	"github.com/fission/fission/pkg/fission-cli/console"
 	flagkey "github.com/fission/fission/pkg/fission-cli/flag/key"
 	"github.com/fission/fission/pkg/fission-cli/util"
-	"github.com/fission/fission/pkg/types"
 	"github.com/fission/fission/pkg/utils"
 )
 
@@ -474,7 +473,7 @@ func localArchiveFromSpec(specDir string, aus *spectypes.ArchiveUploadSpec) (*fv
 	}
 
 	// figure out if we're making a literal or a URL-based archive
-	if size < types.ArchiveLiteralSizeLimit {
+	if size < fv1.ArchiveLiteralSizeLimit {
 		contents, err := pkgutil.GetContents(archiveFileName)
 		if err != nil {
 			return nil, err
diff --git a/pkg/fission-cli/cmd/spec/buildwatch.go b/pkg/fission-cli/cmd/spec/buildwatch.go
index 222b3610..a4c611dc 100644
--- a/pkg/fission-cli/cmd/spec/buildwatch.go
+++ b/pkg/fission-cli/cmd/spec/buildwatch.go
@@ -27,7 +27,6 @@ import (
 	fv1 "github.com/fission/fission/pkg/apis/fission.io/v1"
 	"github.com/fission/fission/pkg/controller/client"
 	"github.com/fission/fission/pkg/fission-cli/cmd/package/util"
-	"github.com/fission/fission/pkg/types"
 )
 
 type (
@@ -83,11 +82,11 @@ func (w *packageBuildWatcher) watch(ctx context.Context) {
 			if !ok {
 				continue
 			}
-			if pkg.Status.BuildStatus == types.BuildStatusNone {
+			if pkg.Status.BuildStatus == fv1.BuildStatusNone {
 				continue
 			}
-			if pkg.Status.BuildStatus == types.BuildStatusPending ||
-				pkg.Status.BuildStatus == types.BuildStatusRunning {
+			if pkg.Status.BuildStatus == fv1.BuildStatusPending ||
+				pkg.Status.BuildStatus == fv1.BuildStatusRunning {
 				keepWaiting = true
 			}
 			buildpkgs = append(buildpkgs, pkg)
@@ -99,8 +98,8 @@ func (w *packageBuildWatcher) watch(ctx context.Context) {
 			if _, printed := w.finished[k]; printed {
 				continue
 			}
-			if pkg.Status.BuildStatus == types.BuildStatusFailed ||
-				pkg.Status.BuildStatus == types.BuildStatusSucceeded {
+			if pkg.Status.BuildStatus == fv1.BuildStatusFailed ||
+				pkg.Status.BuildStatus == fv1.BuildStatusSucceeded {
 				w.finished[k] = true
 				fmt.Printf("------\n")
 				util.PrintPackageSummary(os.Stdout, &pkg)
diff --git a/pkg/fission-cli/cmd/support/resources/crd.go b/pkg/fission-cli/cmd/support/resources/crd.go
index 7056f2dc..9522f2bd 100644
--- a/pkg/fission-cli/cmd/support/resources/crd.go
+++ b/pkg/fission-cli/cmd/support/resources/crd.go
@@ -24,7 +24,6 @@ import (
 	fv1 "github.com/fission/fission/pkg/apis/fission.io/v1"
 	"github.com/fission/fission/pkg/controller/client"
 	"github.com/fission/fission/pkg/fission-cli/console"
-	"github.com/fission/fission/pkg/types"
 )
 
 const (
@@ -114,7 +113,7 @@ func (res CrdDumper) Dump(dumpDir string) {
 	case CrdMessageQueueTrigger:
 		var triggers []fv1.MessageQueueTrigger
 
-		for _, mqType := range []string{types.MessageQueueTypeNats, types.MessageQueueTypeASQ} {
+		for _, mqType := range []string{fv1.MessageQueueTypeNats, fv1.MessageQueueTypeASQ, fv1.MessageQueueTypeKafka} {
 			l, err := res.client.V1().MessageQueueTrigger().List(mqType, metav1.NamespaceAll)
 			if err != nil {
 				console.Warn(fmt.Sprintf("Error getting %v list: %v", res.crdType, err))
diff --git a/pkg/logger/logger.go b/pkg/logger/logger.go
index b8f1ed5e..1447db18 100644
--- a/pkg/logger/logger.go
+++ b/pkg/logger/logger.go
@@ -24,8 +24,6 @@ import (
 	"strings"
 	"time"
 
-	"github.com/fission/fission/pkg/types"
-	"github.com/fission/fission/pkg/utils"
 	"go.uber.org/zap"
 	corev1 "k8s.io/api/core/v1"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
@@ -33,7 +31,9 @@ import (
 	"k8s.io/client-go/kubernetes"
 	k8sCache "k8s.io/client-go/tools/cache"
 
+	fv1 "github.com/fission/fission/pkg/apis/fission.io/v1"
 	"github.com/fission/fission/pkg/crd"
+	"github.com/fission/fission/pkg/utils"
 )
 
 var nodeName = os.Getenv("NODE_NAME")
@@ -55,7 +55,7 @@ func makePodLoggerController(zapLogger *zap.Logger, k8sClientSet *kubernetes.Cli
 				}
 				err := createLogSymlinks(zapLogger, pod)
 				if err != nil {
-					funcName := pod.Labels[types.FUNCTION_NAME]
+					funcName := pod.Labels[fv1.FUNCTION_NAME]
 					zapLogger.Error("error creating symlink",
 						zap.String("function", funcName), zap.Error(err))
 				}
@@ -67,7 +67,7 @@ func makePodLoggerController(zapLogger *zap.Logger, k8sClientSet *kubernetes.Cli
 				}
 				err := createLogSymlinks(zapLogger, pod)
 				if err != nil {
-					funcName := pod.Labels[types.FUNCTION_NAME]
+					funcName := pod.Labels[fv1.FUNCTION_NAME]
 					zapLogger.Error("error creating symlink",
 						zap.String("function", funcName), zap.Error(err))
 				}
@@ -115,8 +115,8 @@ func isValidFunctionPodOnNode(pod *corev1.Pod) bool {
 	if pod.Spec.NodeName != nodeName {
 		return false
 	}
-	labels := []string{types.ENVIRONMENT_NAMESPACE, types.ENVIRONMENT_NAME, types.ENVIRONMENT_UID,
-		types.FUNCTION_NAMESPACE, types.FUNCTION_NAME, types.FUNCTION_UID, types.EXECUTOR_TYPE}
+	labels := []string{fv1.ENVIRONMENT_NAMESPACE, fv1.ENVIRONMENT_NAME, fv1.ENVIRONMENT_UID,
+		fv1.FUNCTION_NAMESPACE, fv1.FUNCTION_NAME, fv1.FUNCTION_UID, fv1.EXECUTOR_TYPE}
 	for _, l := range labels {
 		if len(pod.Labels[l]) == 0 {
 			return false
diff --git a/pkg/mqtrigger/messageQueue/asq.go b/pkg/mqtrigger/messageQueue/asq.go
index 3d3c7e48..df4ace01 100644
--- a/pkg/mqtrigger/messageQueue/asq.go
+++ b/pkg/mqtrigger/messageQueue/asq.go
@@ -29,7 +29,6 @@ import (
 	"time"
 
 	"github.com/Azure/azure-sdk-for-go/storage"
-	"github.com/fission/fission/pkg/types"
 	"github.com/fission/fission/pkg/utils"
 	"github.com/pkg/errors"
 	"go.uber.org/zap"
@@ -204,7 +203,7 @@ func newAzureStorageConnection(logger *zap.Logger, routerURL string, config Mess
 func (asc AzureStorageConnection) subscribe(trigger *fv1.MessageQueueTrigger) (messageQueueSubscription, error) {
 	asc.logger.Info("subscribing to Azure storage queue", zap.String("queue", trigger.Spec.Topic))
 
-	if trigger.Spec.FunctionReference.Type != types.FunctionReferenceTypeFunctionName {
+	if trigger.Spec.FunctionReference.Type != fv1.FunctionReferenceTypeFunctionName {
 		return nil, fmt.Errorf("unsupported function reference type (%v) for trigger %q", trigger.Spec.FunctionReference.Type, trigger.ObjectMeta.Name)
 	}
 
diff --git a/pkg/mqtrigger/messageQueue/asq_test.go b/pkg/mqtrigger/messageQueue/asq_test.go
index cd4e9901..d28d6134 100644
--- a/pkg/mqtrigger/messageQueue/asq_test.go
+++ b/pkg/mqtrigger/messageQueue/asq_test.go
@@ -26,7 +26,6 @@ import (
 	"time"
 
 	"github.com/Azure/azure-sdk-for-go/storage"
-	"github.com/fission/fission/pkg/types"
 	"github.com/stretchr/testify/mock"
 	"github.com/stretchr/testify/require"
 	"go.uber.org/zap"
@@ -114,7 +113,7 @@ func TestNewStorageConnectionMissingAccountName(t *testing.T) {
 	panicIf(err)
 
 	connection, err := newAzureStorageConnection(logger, DummyRouterURL, MessageQueueConfig{
-		MQType: types.MessageQueueTypeASQ,
+		MQType: fv1.MessageQueueTypeASQ,
 		Url:    "",
 	})
 	require.Nil(t, connection)
@@ -127,7 +126,7 @@ func TestNewStorageConnectionMissingAccessKey(t *testing.T) {
 
 	_ = os.Setenv("AZURE_STORAGE_ACCOUNT_NAME", "accountname")
 	connection, err := newAzureStorageConnection(logger, DummyRouterURL, MessageQueueConfig{
-		MQType: types.MessageQueueTypeASQ,
+		MQType: fv1.MessageQueueTypeASQ,
 		Url:    "",
 	})
 	_ = os.Unsetenv("AZURE_STORAGE_ACCOUNT_NAME")
@@ -309,10 +308,10 @@ func TestAzureStorageQueuePoisonMessage(t *testing.T) {
 		},
 		Spec: fv1.MessageQueueTriggerSpec{
 			FunctionReference: fv1.FunctionReference{
-				Type: types.FunctionReferenceTypeFunctionName,
+				Type: fv1.FunctionReferenceTypeFunctionName,
 				Name: FunctionName,
 			},
-			MessageQueueType: types.MessageQueueTypeASQ,
+			MessageQueueType: fv1.MessageQueueTypeASQ,
 			Topic:            QueueName,
 			ContentType:      ContentType,
 		},
@@ -457,10 +456,10 @@ func runAzureStorageQueueTest(t *testing.T, count int, output bool) {
 		},
 		Spec: fv1.MessageQueueTriggerSpec{
 			FunctionReference: fv1.FunctionReference{
-				Type: types.FunctionReferenceTypeFunctionName,
+				Type: fv1.FunctionReferenceTypeFunctionName,
 				Name: FunctionName,
 			},
-			MessageQueueType: types.MessageQueueTypeASQ,
+			MessageQueueType: fv1.MessageQueueTypeASQ,
 			Topic:            QueueName,
 			ResponseTopic:    responseTopic,
 			ContentType:      ContentType,
diff --git a/pkg/mqtrigger/messageQueue/kafka.go b/pkg/mqtrigger/messageQueue/kafka.go
index e52adaee..8d91e1bb 100644
--- a/pkg/mqtrigger/messageQueue/kafka.go
+++ b/pkg/mqtrigger/messageQueue/kafka.go
@@ -28,12 +28,11 @@ import (
 
 	sarama "github.com/Shopify/sarama"
 	cluster "github.com/bsm/sarama-cluster"
-	"github.com/fission/fission/pkg/types"
-	"github.com/fission/fission/pkg/utils"
 	"github.com/pkg/errors"
 	"go.uber.org/zap"
 
 	fv1 "github.com/fission/fission/pkg/apis/fission.io/v1"
+	"github.com/fission/fission/pkg/utils"
 )
 
 type (
@@ -202,7 +201,7 @@ func (kafka Kafka) unsubscribe(subscription messageQueueSubscription) error {
 func kafkaMsgHandler(kafka *Kafka, producer sarama.SyncProducer, trigger *fv1.MessageQueueTrigger, msg *sarama.ConsumerMessage, consumer *cluster.Consumer) {
 	var value string = string(msg.Value[:])
 	// Support other function ref types
-	if trigger.Spec.FunctionReference.Type != types.FunctionReferenceTypeFunctionName {
+	if trigger.Spec.FunctionReference.Type != fv1.FunctionReferenceTypeFunctionName {
 		kafka.logger.Fatal("unsupported function reference type for trigger",
 			zap.Any("function_reference_type", trigger.Spec.FunctionReference.Type),
 			zap.String("trigger", trigger.ObjectMeta.Name))
diff --git a/pkg/mqtrigger/messageQueue/messageQueue.go b/pkg/mqtrigger/messageQueue/messageQueue.go
index 5747b251..9098e1bd 100644
--- a/pkg/mqtrigger/messageQueue/messageQueue.go
+++ b/pkg/mqtrigger/messageQueue/messageQueue.go
@@ -21,7 +21,6 @@ import (
 	"fmt"
 	"time"
 
-	"github.com/fission/fission/pkg/types"
 	"github.com/fission/fission/pkg/utils"
 	"go.uber.org/zap"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
@@ -87,11 +86,11 @@ func MakeMessageQueueTriggerManager(logger *zap.Logger, fissionClient *crd.Fissi
 		fissionClient: fissionClient,
 	}
 	switch mqConfig.MQType {
-	case types.MessageQueueTypeNats:
+	case fv1.MessageQueueTypeNats:
 		messageQueue, err = makeNatsMessageQueue(logger, routerUrl, mqConfig)
-	case types.MessageQueueTypeASQ:
+	case fv1.MessageQueueTypeASQ:
 		messageQueue, err = newAzureStorageConnection(logger, routerUrl, mqConfig)
-	case types.MessageQueueTypeKafka:
+	case fv1.MessageQueueTypeKafka:
 		messageQueue, err = makeKafkaMessageQueue(logger, routerUrl, mqConfig)
 	default:
 		err = fmt.Errorf("no supported message queue type found for %q", mqConfig.MQType)
diff --git a/pkg/mqtrigger/messageQueue/nats.go b/pkg/mqtrigger/messageQueue/nats.go
index d8ee28a1..99a047aa 100644
--- a/pkg/mqtrigger/messageQueue/nats.go
+++ b/pkg/mqtrigger/messageQueue/nats.go
@@ -28,7 +28,6 @@ import (
 	"go.uber.org/zap"
 
 	fv1 "github.com/fission/fission/pkg/apis/fission.io/v1"
-	"github.com/fission/fission/pkg/types"
 	"github.com/fission/fission/pkg/utils"
 )
 
@@ -106,7 +105,7 @@ func msgHandler(nats *Nats, trigger *fv1.MessageQueueTrigger) func(*ns.Msg) {
 	return func(msg *ns.Msg) {
 
 		// Support other function ref types
-		if trigger.Spec.FunctionReference.Type != types.FunctionReferenceTypeFunctionName {
+		if trigger.Spec.FunctionReference.Type != fv1.FunctionReferenceTypeFunctionName {
 			nats.logger.Fatal("unsupported function reference type for trigger",
 				zap.Any("function_reference_type", trigger.Spec.FunctionReference.Type),
 				zap.String("trigger", trigger.ObjectMeta.Name))
diff --git a/pkg/router/functionHandler.go b/pkg/router/functionHandler.go
index ee32dc1c..2a44450f 100644
--- a/pkg/router/functionHandler.go
+++ b/pkg/router/functionHandler.go
@@ -40,7 +40,6 @@ import (
 	"github.com/fission/fission/pkg/error/network"
 	executorClient "github.com/fission/fission/pkg/executor/client"
 	"github.com/fission/fission/pkg/throttler"
-	"github.com/fission/fission/pkg/types"
 )
 
 const (
@@ -367,7 +366,7 @@ func (fh *functionHandler) tapService(fn *fv1.Function, serviceUrl *url.URL) {
 }
 
 func (fh functionHandler) handler(responseWriter http.ResponseWriter, request *http.Request) {
-	if fh.httpTrigger != nil && fh.httpTrigger.Spec.FunctionReference.Type == types.FunctionReferenceTypeFunctionWeights {
+	if fh.httpTrigger != nil && fh.httpTrigger.Spec.FunctionReference.Type == fv1.FunctionReferenceTypeFunctionWeights {
 		// canary deployment. need to determine the function to send request to now
 		fn := getCanaryBackend(fh.functionMap, fh.fnWeightDistributionList)
 		if fn == nil {
diff --git a/pkg/router/functionHandler_test.go b/pkg/router/functionHandler_test.go
index 57af70a8..ec83bb4d 100644
--- a/pkg/router/functionHandler_test.go
+++ b/pkg/router/functionHandler_test.go
@@ -31,7 +31,6 @@ import (
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 
 	fv1 "github.com/fission/fission/pkg/apis/fission.io/v1"
-	"github.com/fission/fission/pkg/types"
 )
 
 func createBackendService(testResponseString string) *url.URL {
@@ -72,7 +71,7 @@ func TestFunctionProxying(t *testing.T) {
 		},
 		Spec: fv1.HTTPTriggerSpec{
 			FunctionReference: fv1.FunctionReference{
-				Type: types.FunctionReferenceTypeFunctionName,
+				Type: fv1.FunctionReferenceTypeFunctionName,
 			},
 		},
 	}
diff --git a/pkg/router/router_test.go b/pkg/router/router_test.go
index 06f56356..3c2345cc 100644
--- a/pkg/router/router_test.go
+++ b/pkg/router/router_test.go
@@ -22,7 +22,6 @@ import (
 	"testing"
 	"time"
 
-	"github.com/fission/fission/pkg/types"
 	"go.uber.org/zap"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 
@@ -36,7 +35,7 @@ func TestRouter(t *testing.T) {
 
 	// and a reference to it
 	fr := fv1.FunctionReference{
-		Type: types.FunctionReferenceTypeFunctionName,
+		Type: fv1.FunctionReferenceTypeFunctionName,
 		Name: fnMeta.Name,
 	}
 
diff --git a/pkg/types/types.go b/pkg/types/types.go
deleted file mode 100644
index fbb7dace..00000000
--- a/pkg/types/types.go
+++ /dev/null
@@ -1,188 +0,0 @@
-/*
-Copyright 2016 The Fission Authors.
-
-Licensed under the Apache License, Version 2.0 (the "License");
-you may not use this file except in compliance with the License.
-You may obtain a copy of the License at
-
-    http://www.apache.org/licenses/LICENSE-2.0
-
-Unless required by applicable law or agreed to in writing, software
-distributed under the License is distributed on an "AS IS" BASIS,
-WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-See the License for the specific language governing permissions and
-limitations under the License.
-*/
-
-package types
-
-import (
-	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
-
-	fv1 "github.com/fission/fission/pkg/apis/fission.io/v1"
-)
-
-//
-// Fission-Environment interface. The following types are not
-// exposed in the Fission API, but rather used by Fission to
-// talk to environments.
-//
-type (
-	FetchRequestType int
-
-	FunctionSpecializeRequest struct {
-		FetchReq FunctionFetchRequest
-		LoadReq  FunctionLoadRequest
-	}
-
-	FunctionFetchRequest struct {
-		FetchType     FetchRequestType         `json:"fetchType"`
-		Package       metav1.ObjectMeta        `json:"package"`
-		Url           string                   `json:"url"`
-		StorageSvcUrl string                   `json:"storagesvcurl"`
-		Filename      string                   `json:"filename"`
-		Secrets       []fv1.SecretReference    `json:"secretList"`
-		ConfigMaps    []fv1.ConfigMapReference `json:"configMapList"`
-		KeepArchive   bool                     `json:"keeparchive"`
-	}
-
-	FunctionLoadRequest struct {
-		// FilePath is an absolute filesystem path to the
-		// function. What exactly is stored here is
-		// env-specific. Optional.
-		FilePath string `json:"filepath"`
-
-		// FunctionName has an environment-specific meaning;
-		// usually, it defines a function within a module
-		// containing multiple functions. Optional; default is
-		// environment-specific.
-		FunctionName string `json:"functionName"`
-
-		// URL to expose this function at. Optional; defaults
-		// to "/".
-		URL string `json:"url"`
-
-		// Metatdata
-		FunctionMetadata *metav1.ObjectMeta
-
-		EnvVersion int `json:"envVersion"`
-	}
-
-	// ArchiveUploadRequest send from builder manager describes which
-	// deployment package should be upload to storage service.
-	ArchiveUploadRequest struct {
-		Filename       string `json:"filename"`
-		StorageSvcUrl  string `json:"storagesvcurl"`
-		ArchivePackage bool   `json:"archivepackage"`
-	}
-
-	// ArchiveUploadResponse defines the download url of an archive and
-	// its checksum.
-	ArchiveUploadResponse struct {
-		ArchiveDownloadUrl string       `json:"archiveDownloadUrl"`
-		Checksum           fv1.Checksum `json:"checksum"`
-	}
-)
-
-const (
-	FETCH_SOURCE = iota
-	FETCH_DEPLOYMENT
-	FETCH_URL // remove this?
-)
-
-const EXECUTOR_INSTANCEID_LABEL = fv1.EXECUTOR_INSTANCEID_LABEL
-
-const (
-	ChecksumTypeSHA256 = fv1.ChecksumTypeSHA256
-)
-
-const (
-	// ArchiveTypeLiteral means the package contents are specified in the Literal field of
-	// resource itself.
-	ArchiveTypeLiteral = fv1.ArchiveTypeLiteral
-
-	// ArchiveTypeUrl means the package contents are at the specified URL.
-	ArchiveTypeUrl = fv1.ArchiveTypeUrl
-)
-
-const (
-	BuildStatusPending   = fv1.BuildStatusPending
-	BuildStatusRunning   = fv1.BuildStatusRunning
-	BuildStatusSucceeded = fv1.BuildStatusSucceeded
-	BuildStatusFailed    = fv1.BuildStatusFailed
-	BuildStatusNone      = fv1.BuildStatusNone
-)
-
-const (
-	AllowedFunctionsPerContainerSingle   = fv1.AllowedFunctionsPerContainerSingle
-	AllowedFunctionsPerContainerInfinite = fv1.AllowedFunctionsPerContainerInfinite
-)
-
-// executor kubernetes object label key
-const (
-	ENVIRONMENT_NAMESPACE     = "environmentNamespace"
-	ENVIRONMENT_NAME          = "environmentName"
-	ENVIRONMENT_UID           = "environmentUid"
-	FUNCTION_NAMESPACE        = "functionNamespace"
-	FUNCTION_NAME             = "functionName"
-	FUNCTION_UID              = "functionUid"
-	FUNCTION_RESOURCE_VERSION = "functionResourceVersion"
-	EXECUTOR_TYPE             = "executorType"
-)
-
-const (
-	ANNOTATION_SVC_HOST = "svcHost"
-)
-
-const (
-	SharedVolumeUserfunc   = fv1.SharedVolumeUserfunc
-	SharedVolumePackages   = fv1.SharedVolumePackages
-	SharedVolumeSecrets    = fv1.SharedVolumeSecrets
-	SharedVolumeConfigmaps = fv1.SharedVolumeConfigmaps
-)
-
-const (
-	MessageQueueTypeNats  = fv1.MessageQueueTypeNats
-	MessageQueueTypeASQ   = fv1.MessageQueueTypeASQ
-	MessageQueueTypeKafka = fv1.MessageQueueTypeKafka
-)
-
-const (
-	// FunctionReferenceFunctionName means that the function
-	// reference is simply by function name.
-	FunctionReferenceTypeFunctionName = fv1.FunctionReferenceTypeFunctionName
-
-	//   Set of function references (recursively), by percentage of traffic
-	FunctionReferenceTypeFunctionWeights = fv1.FunctionReferenceTypeFunctionWeights
-
-	// Other function reference types we'd like to support:
-	//   Versioned function, latest version
-	//   Versioned function. by semver "latest compatible"
-
-)
-
-const (
-	ArchiveLiteralSizeLimit int64 = 256 * 1024
-)
-
-const (
-	FissionBuilderSA = "fission-builder"
-	FissionFetcherSA = "fission-fetcher"
-
-	SecretConfigMapGetterCR = "secret-configmap-getter"
-	SecretConfigMapGetterRB = "secret-configmap-getter-binding"
-
-	PackageGetterCR = "package-getter"
-	PackageGetterRB = "package-getter-binding"
-
-	ClusterRole = "ClusterRole"
-)
-
-const (
-	FailureTypeStatusCode        = fv1.FailureTypeStatusCode
-	CanaryConfigStatusPending    = fv1.CanaryConfigStatusPending
-	CanaryConfigStatusSucceeded  = fv1.CanaryConfigStatusSucceeded
-	CanaryConfigStatusFailed     = fv1.CanaryConfigStatusFailed
-	CanaryConfigStatusAborted    = fv1.CanaryConfigStatusAborted
-	MaxIterationsForCanaryConfig = fv1.MaxIterationsForCanaryConfig
-)
diff --git a/pkg/v1/types.go b/pkg/v1/types.go
deleted file mode 100644
index fbc48599..00000000
--- a/pkg/v1/types.go
+++ /dev/null
@@ -1,100 +0,0 @@
-/*
-Copyright 2016 The Fission Authors.
-
-Licensed under the Apache License, Version 2.0 (the "License");
-you may not use this file except in compliance with the License.
-You may obtain a copy of the License at
-
-    http://www.apache.org/licenses/LICENSE-2.0
-
-Unless required by applicable law or agreed to in writing, software
-distributed under the License is distributed on an "AS IS" BASIS,
-WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-See the License for the specific language governing permissions and
-limitations under the License.
-*/
-
-package v1
-
-//
-// These are types from the v1 API, and are only preserved for
-// compatibility.  They should never be changed.
-//
-
-type (
-	// ObjectMeta is used as the general identifier for all kinds of
-	// resources managed by the controller.
-	Metadata struct {
-		Name string `json:"name"`
-		Uid  string `json:"uid,omitempty"`
-	}
-
-	// Function is a unit of executable code.  Though it's called
-	// a function, the code may have more than one function; it's
-	// usually some sort of module or package.
-	Function struct {
-		Metadata    `json:"metadata"`
-		Environment Metadata `json:"environment"`
-		Code        string   `json:"code"`
-	}
-
-	// Environment identifies the language and OS specific
-	// resources that a function depends on.  For now this
-	// includes only the function run container image.  Later,
-	// this will also include build containers, as well as support
-	// tools like debuggers, profilers, etc.
-	Environment struct {
-		Metadata             `json:"metadata"`
-		RunContainerImageUrl string `json:"runContainerImageUrl"`
-	}
-
-	// HTTPTrigger maps URL patterns to functions.  Function.UID
-	// is optional; if absent, the latest version of the function
-	// will automatically be selected.
-	HTTPTrigger struct {
-		Metadata   `json:"metadata"`
-		UrlPattern string   `json:"urlpattern"`
-		Method     string   `json:"method"`
-		Function   Metadata `json:"function"`
-	}
-
-	MessageQueueTrigger struct {
-		Metadata         `json:"metadata"`
-		Function         Metadata `json:"function"`
-		MessageQueueType string   `json:"messageQueueType"`
-		Topic            string   `json:"topic"`
-		ResponseTopic    string   `json:"respTopic,omitempty"`
-	}
-
-	// Watch is a specification of Kubernetes watch along with a URL to post events to.
-	Watch struct {
-		Metadata `json:"metadata"`
-
-		Namespace     string `json:"namespace"`
-		ObjType       string `json:"objtype"`
-		LabelSelector string `json:"labelselector"`
-		FieldSelector string `json:"fieldselector"`
-
-		Function Metadata `json:"function"`
-
-		Target string `json:"target"` // Watch publish target (URL, NATS stream, etc)
-	}
-
-	// TimeTrigger invokes the specific function at a time or
-	// times specified by a cron string.
-	TimeTrigger struct {
-		Metadata `json:"metadata"`
-
-		Cron string `json:"cron"`
-
-		Function Metadata `json:"function"`
-	}
-
-	// Errors returned by the Fission API.
-	Error struct {
-		Code    errorCode `json:"code"`
-		Message string    `json:"message"`
-	}
-
-	errorCode int
-)