diff --git a/router/functionHandler.go b/router/functionHandler.go
index 271f49fb..0fb221d1 100644
--- a/router/functionHandler.go
+++ b/router/functionHandler.go
@@ -78,7 +78,6 @@ func (roundTripper RetryingRoundTripper) RoundTrip(req *http.Request) (resp *htt
 	// set the timeout for transport context
 	timeout := roundTripper.initialTimeout
 	transport := http.DefaultTransport.(*http.Transport)
-	defer transport.CloseIdleConnections()
 
 	// cache lookup to get serviceUrl
 	serviceUrl, err = roundTripper.funcHandler.fmap.lookup(roundTripper.funcHandler.function)