diff --git a/docker/Dockerfile b/docker/Dockerfile
index a10edb06..b8acc374 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -39,7 +39,6 @@ ONBUILD ARG APP_REPO
 ONBUILD ARG GITHUB_REPO
 ONBUILD ARG REPO_VERSION
 ONBUILD ARG GIT_COMMIT
-ONBUILD ARG CONSTRAINTS_BRANCH
 ONBUILD ARG CONSTRAINTS_FILE
 ONBUILD ARG EXTRA_DEPS
 ONBUILD ARG COMMON_REPO