diff --git a/docker/Dockerfile.base b/docker/Dockerfile.base
index 4fd2a0fd2..ff932cc5d 100644
--- a/docker/Dockerfile.base
+++ b/docker/Dockerfile.base
@@ -22,13 +22,12 @@ RUN apt-get update && \
   net-tools \
   lsof \
   sudo \
-  && update-ca-certificates \
   && apt-get upgrade -y \
   && apt-get clean \
-  && rm -rf  /var/log/*log /var/lib/apt/lists/* /var/log/apt/* /var/lib/dpkg/*-old /var/cache/debconf/*-old \
+  && rm -rf /var/log/*log /var/lib/apt/lists/* /var/log/apt/* /var/lib/dpkg/*-old /var/cache/debconf/*-old \
   && update-alternatives --set iptables /usr/sbin/iptables-legacy \
   && update-alternatives --set ip6tables /usr/sbin/ip6tables-legacy
 
 # Sudoers used to allow tcpdump and other debug utilities.
 RUN useradd -m --uid 1337 istio-proxy && \
-  echo "istio-proxy ALL=NOPASSWD: ALL" >> /etc/sudoers
\ No newline at end of file
+  echo "istio-proxy ALL=NOPASSWD: ALL" >> /etc/sudoers