diff --git a/.github/workflows/maincheck.yml b/.github/workflows/maincheck.yml
index 5e9525033..f84e9a9ac 100644
--- a/.github/workflows/maincheck.yml
+++ b/.github/workflows/maincheck.yml
@@ -4,7 +4,6 @@ on:
     push:
         branches:
         - master
-        - fix-mypy-error
         - '*CI*'
     pull_request:
         branches: