diff --git a/docker/Dockerfile b/docker/Dockerfile
index 777976217..f6da05f4e 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -26,8 +26,9 @@ RUN cd /synapse \
  && rm -rf \
         setup.cfg \
         setup.py \
-        synapse
-
+        synapse \
+ && apk del .nacl_deps
+ 
 VOLUME ["/data"]
 
 EXPOSE 8008/tcp 8448/tcp