diff --git a/.github/workflows/check-pr.yml b/.github/workflows/check-pr.yml
index abb0d44706d3..2b15067f5156 100644
--- a/.github/workflows/check-pr.yml
+++ b/.github/workflows/check-pr.yml
@@ -12,7 +12,6 @@ on:
     - 1.0.x
     - 1.1.x
     - 2.0.x
-    - 2.1.x
 
 jobs:
   bad_target: