diff --git a/action.yml b/action.yml
index da407c98..a1fe83b9 100644
--- a/action.yml
+++ b/action.yml
@@ -50,7 +50,6 @@ runs:
         fi
 
         TARGET_BRANCH=${GITHUB_BASE_REF}
-        CURRENT_BRANCH=${GITHUB_HEAD_REF}
 
         git fetch --depth=1 origin ${TARGET_BRANCH}:${TARGET_BRANCH}