diff --git a/.github/workflows/update-flake.yml b/.github/workflows/update-flake.yml
index 2335602..6e04cad 100644
--- a/.github/workflows/update-flake.yml
+++ b/.github/workflows/update-flake.yml
@@ -15,9 +15,6 @@ jobs:
       contents: write
       pull-requests: write
 
-    env:
-      PR_BRANCH: 'update-lockfiles'
-
     steps:
       - name: Checkout repository
         uses: actions/checkout@v4