diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index f8d7379656..8666c06a79 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -4,7 +4,6 @@ on:
   push:
     branches:
       - '5.x'
-      - '5.1'
   pull_request:
 permissions:
   contents: read