diff --git a/Dockerfile b/Dockerfile
index f83742d23..ea2a241c6 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -96,6 +96,7 @@ RUN apt-get remove -y --auto-remove python-dev g++ libjpeg62-dev libevent-dev li
 RUN apt-get autoremove -y
 RUN apt-get clean && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
 RUN rm -rf grunt
+RUN rm -rf node_modules
 
 # Set up the init system
 ADD conf/init/copy_config_files.sh /etc/my_init.d/