diff --git a/.github/workflows/claude.yml b/.github/workflows/claude.yml
index 47cf50aa15..cfdb625bf0 100644
--- a/.github/workflows/claude.yml
+++ b/.github/workflows/claude.yml
@@ -38,7 +38,6 @@ jobs:
         with:
           claude_code_oauth_token: ${{ secrets.CLAUDE_CODE_OAUTH_TOKEN }}
           github_token: ${{ secrets.GITHUB_TOKEN }}
-          use_commit_signing: true
 
           # This is an optional setting that allows Claude to read CI results on PRs
           additional_permissions: |