diff --git a/test/e2e-mesh/e2e-istio/scripts/pre.sh b/test/e2e-mesh/e2e-istio/scripts/pre.sh
index 9319020b5..e328dd407 100755
--- a/test/e2e-mesh/e2e-istio/scripts/pre.sh
+++ b/test/e2e-mesh/e2e-istio/scripts/pre.sh
@@ -37,5 +37,4 @@ curl -sSL "https://storage.googleapis.com/kubernetes-release/release/${K8SVERSIO
 chmod +x /tmp/kubectl
 sudo mv /tmp/kubectl /usr/local/bin/kubectl
 
-sudo apt-get update
 sudo apt-get install -y socat conntrack