diff --git a/Dockerfile b/Dockerfile
index 0d4b3a4b9d2065d86afd231cea6813e5c46409df..b601ac0b516dc7aa942c7df94e44239d15398358 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -62,10 +62,14 @@ RUN gpg --recv-key 48457EE0 ; gpg --recv-key 48457EE0
 
 ADD https://github.com/bazelbuild/bazel/releases/download/0.4.5/bazel-0.4.5-dist.zip /
 ADD https://github.com/bazelbuild/bazel/releases/download/0.4.5/bazel-0.4.5-dist.zip.sig /
-RUN gpg --verify bazel-0.4.5-dist.zip.sig && unzip -d /tmp/bazel-0.4.5-dist  bazel-0.4.5-dist.zip
+RUN gpg --verify bazel-0.4.5-dist.zip.sig && unzip -d /tmp/bazel-0.4.5-dist  bazel-0.4.5-dist.zip && \
+    /bin/rm bazel-0.4.5-dist.zip.sig bazel-0.4.5-dist.zip
 # enable the new devtoolset
 RUN echo 'cd /tmp/bazel-0.4.5-dist && bash ./compile.sh && cp output/bazel /usr/local/bin' | scl enable devtoolset-3 bash
 
+# cleanup
+RUN [ -f /usr/local/bin/bazel ] && /bin/rm -rf /tmp/bazel-0.4.5-dist
+
 # stop here if you only need bazel (to build tensorflow for instance)
 # if you want to build the git version of bazel uncomment the following 2 lines.
 #RUN git clone https://github.com/bazelbuild/bazel /tmp/bazel && \