diff --git a/Dockerfile b/Dockerfile
index 5c996c0e..b911b698 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -33,7 +33,8 @@ RUN \
     /usr/share/applications/chromium.desktop && \
   echo "**** cleanup ****" && \
   rm -rf \
-    /tmp/*
+    /tmp/* \
+    /usr/bin/mate-screensaver
 
 # add local files
 COPY /root /
diff --git a/Dockerfile.aarch64 b/Dockerfile.aarch64
index 35f5a610..8777132d 100644
--- a/Dockerfile.aarch64
+++ b/Dockerfile.aarch64
@@ -33,7 +33,8 @@ RUN \
     /usr/share/applications/chromium.desktop && \
   echo "**** cleanup ****" && \
   rm -rf \
-    /tmp/*
+    /tmp/* \
+    /usr/bin/mate-screensaver
 
 # add local files
 COPY /root /