diff --git a/docker.sh b/docker.sh
index 151ef91..0cd2087 100644
--- a/docker.sh
+++ b/docker.sh
@@ -8,7 +8,6 @@ fi
 # if branch is unstable in git for circle ci
 if [ -n "$CIRCLE_BRANCH" ]; then
   if [ "$CIRCLE_BRANCH" != "master" ]; then
-    VERSION="$VERSION-$CIRCLE_BRANCH"
     LATEST="$LATEST-$CIRCLE_BRANCH"
   fi
 fi