diff --git a/sonic-slave/Dockerfile b/sonic-slave/Dockerfile
index 76b01ea2f60..ee37f57ee0b 100644
--- a/sonic-slave/Dockerfile
+++ b/sonic-slave/Dockerfile
@@ -11,7 +11,7 @@ RUN echo "deb http://debian-archive.trafficmanager.net/debian/ jessie main contr
 ## Make apt-get non-interactive
 ENV DEBIAN_FRONTEND=noninteractive
 
-RUN apt-get clean && apt-get update && apt-get install -y \
+RUN apt-get update && apt-get install -y \
         apt-utils \
         default-jre-headless \
         openssh-server \