diff --git a/images/build/cross/default/Dockerfile b/images/build/cross/default/Dockerfile
index 4435b961ecf..124f2412a56 100644
--- a/images/build/cross/default/Dockerfile
+++ b/images/build/cross/default/Dockerfile
@@ -76,26 +76,20 @@ RUN apt-get -q update \
 # To install crossbuild essential for other architectures add the following repository.
 RUN targetArch=$(echo $TARGETPLATFORM | cut -f2 -d '/') \
   && if [ ${targetArch} = "amd64" ]; then \
-    echo "deb http://archive.ubuntu.com/ubuntu xenial main universe" > /etc/apt/sources.list.d/cgocrosscompiling.list \
-    && apt-key adv --no-tty --keyserver keyserver.ubuntu.com --recv-keys 40976EAF437D05B5 3B4FE6ACC0B21F32 \
-    && apt-get update \
+    apt-get update \
     && apt-get install -y build-essential mingw-w64 \
     && for platform in ${KUBE_DYNAMIC_CROSSPLATFORMS}; do apt-get install -y crossbuild-essential-${platform}; done \
 fi
 
 RUN targetArch=$(echo $TARGETPLATFORM | cut -f2 -d '/') \
   && if [ ${targetArch} = "arm64" ]; then \
-    echo "deb http://ports.ubuntu.com/ubuntu-ports/ xenial main" > /etc/apt/sources.list.d/ports.list \
-    && apt-key adv --no-tty --keyserver keyserver.ubuntu.com --recv-keys 40976EAF437D05B5 3B4FE6ACC0B21F32 \
-    && apt-get update \
+    apt-get update \
     && apt-get install -y build-essential gcc-x86-64-linux-gnu; \
 fi
 
 RUN targetArch=$(echo $TARGETPLATFORM | cut -f2 -d '/') \
   && if [ ${targetArch} = "ppc64le" ] || [ ${targetArch} = "s390x" ]; then \
-    echo "deb http://ports.ubuntu.com/ubuntu-ports/ xenial main" > /etc/apt/sources.list.d/ports.list \
-    && apt-key adv --no-tty --keyserver keyserver.ubuntu.com --recv-keys 40976EAF437D05B5 3B4FE6ACC0B21F32 \
-    && apt-get update \
+    apt-get update \
     && apt-get install -y build-essential; \
 fi