diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index c0bfb01..6d5bb97 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -5,8 +5,7 @@ stages:
 
 workflow:
   rules:
-    - if: '$CI_PIPELINE_SOURCE == "merge_request_event"'
-    - if: '$CI_COMMIT_BRANCH == $CI_DEFAULT_BRANCH'
+    - if: $CI_PIPELINE_SOURCE == "merge_request_event"
 
 variables:
   SCHEMATICS: "true"