diff --git a/docker_build.py b/docker_build.py
index 6b0e70f97ffa0466b4c4df0b0006bae23c868ea3_ZG9ja2VyX2J1aWxkLnB5..2a616293f7a6a584c47066205dc5c297ce047682_ZG9ja2VyX2J1aWxkLnB5 100755
--- a/docker_build.py
+++ b/docker_build.py
@@ -179,6 +179,8 @@
         d = json.loads(line)
         if 'stream' in d:
             logging.info(d['stream'])
+    if dev:
+        call(['rm', dockerfile])
     # TODO exit if build failed
 
     # TODO docker tag with tags/bookmarks (unused so maybe no need)