diff --git a/.github/workflows/schemas.yml b/.github/workflows/schemas.yml
index 388267baa5..43b47a31f4 100644
--- a/.github/workflows/schemas.yml
+++ b/.github/workflows/schemas.yml
@@ -37,7 +37,6 @@ jobs:
       - name: Set up commit signing
         uses: Homebrew/actions/setup-commit-signing@master
         with:
-          ssh: true
           signing_key: ${{ secrets.BREWTESTBOT_SSH_SIGNING_KEY }}
 
       - name: Update schema data
diff --git a/.github/workflows/sorbet.yml b/.github/workflows/sorbet.yml
index 35ebb63f74..d9ce901d48 100644
--- a/.github/workflows/sorbet.yml
+++ b/.github/workflows/sorbet.yml
@@ -45,7 +45,6 @@ jobs:
         if: github.event_name != 'pull_request'
         uses: Homebrew/actions/setup-commit-signing@master
         with:
-          ssh: true
           signing_key: ${{ secrets.BREWTESTBOT_SSH_SIGNING_KEY }}
 
       - name: Update RBI files
diff --git a/.github/workflows/spdx.yml b/.github/workflows/spdx.yml
index 9ac2075375..a67f827e3c 100644
--- a/.github/workflows/spdx.yml
+++ b/.github/workflows/spdx.yml
@@ -37,7 +37,6 @@ jobs:
       - name: Set up commit signing
         uses: Homebrew/actions/setup-commit-signing@master
         with:
-          ssh: true
           signing_key: ${{ secrets.BREWTESTBOT_SSH_SIGNING_KEY }}
 
       - name: Update SPDX license data
diff --git a/.github/workflows/sponsors-maintainers-man-completions.yml b/.github/workflows/sponsors-maintainers-man-completions.yml
index 156561d24a..214964efa2 100644
--- a/.github/workflows/sponsors-maintainers-man-completions.yml
+++ b/.github/workflows/sponsors-maintainers-man-completions.yml
@@ -46,7 +46,6 @@ jobs:
       - name: Set up commit signing
         uses: Homebrew/actions/setup-commit-signing@master
         with:
-          ssh: true
           signing_key: ${{ secrets.BREWTESTBOT_SSH_SIGNING_KEY }}
 
       - name: Cache Bundler RubyGems
diff --git a/.github/workflows/vendor-gems.yml b/.github/workflows/vendor-gems.yml
index f87c00f246..7ed0a07faa 100644
--- a/.github/workflows/vendor-gems.yml
+++ b/.github/workflows/vendor-gems.yml
@@ -47,7 +47,6 @@ jobs:
         if: github.event_name == 'workflow_dispatch'
         uses: Homebrew/actions/setup-commit-signing@master
         with:
-          ssh: true
           signing_key: ${{ secrets.BREWTESTBOT_SSH_SIGNING_KEY }}
 
       - name: Check out pull request