diff --git a/.github/workflows/linux.yml b/.github/workflows/linux.yml
index 1c8377d2..f90fabd6 100644
--- a/.github/workflows/linux.yml
+++ b/.github/workflows/linux.yml
@@ -2,7 +2,7 @@ name: linux
 
 on:
   push:
-    branches: [main]
+    branches: [tmp-release-artifact-attestations]
   pull_request:
 
 concurrency:
@@ -17,7 +17,7 @@ jobs:
     if: ${{ needs.generate-matrix.outputs.pythonbuild_changed == 'true' || needs.generate-matrix.outputs.any_builds == 'true' || github.ref == 'refs/heads/main' }}
     needs:
       - generate-matrix
-    runs-on: depot-ubuntu-22.04
+    runs-on: ubuntu-22.04
     steps:
       - name: Install System Dependencies
         run: |
@@ -64,7 +64,7 @@ jobs:
           - xcb.cross
           - xcb.cross-riscv64
     name: ${{ matrix.image }}
-    runs-on: depot-ubuntu-22.04
+    runs-on: ubuntu-22.04
     permissions:
       packages: write
     steps:
diff --git a/.github/workflows/macos.yml b/.github/workflows/macos.yml
index 50345e0e..66101d21 100644
--- a/.github/workflows/macos.yml
+++ b/.github/workflows/macos.yml
@@ -2,7 +2,7 @@ name: macos
 
 on:
   push:
-    branches: [main]
+    branches: [tmp-release-artifact-attestations]
   pull_request:
 
 concurrency:
@@ -17,7 +17,7 @@ jobs:
     if: ${{ needs.generate-matrix.outputs.pythonbuild_changed == 'true' || needs.generate-matrix.outputs.any_builds == 'true' || github.ref == 'refs/heads/main' }}
     needs:
       - generate-matrix
-    runs-on: depot-macos-latest
+    runs-on: macos-latest
     steps:
       - uses: actions/checkout@v4
 
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 36c4f17c..5fcbd896 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -29,7 +29,7 @@ jobs:
   release:
     env:
       GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-    runs-on: ubuntu-latest-large
+    runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
         with:
diff --git a/.github/workflows/windows.yml b/.github/workflows/windows.yml
index 179cfb99..ccbd611b 100644
--- a/.github/workflows/windows.yml
+++ b/.github/workflows/windows.yml
@@ -2,7 +2,7 @@ name: windows
 
 on:
   push:
-    branches: [main]
+    branches: [tmp-release-artifact-attestations]
   pull_request:
 
 concurrency:
diff --git a/ci-runners.yaml b/ci-runners.yaml
index aeb0e5ca..7fdc7b08 100644
--- a/ci-runners.yaml
+++ b/ci-runners.yaml
@@ -1,21 +1,5 @@
 # Describes the runners that the CI system can use
 
-depot-ubuntu-22.04:
-  arch: x86_64
-  platform: linux
-  free: false
-
-# TODO: Enable this runner to perform native builds for aarch64
-# depot-ubuntu-22.04-arm:
-#   arch: aarch64
-#   platform: linux
-#   free: false
-
-depot-macos-latest:
-  arch: x86_64
-  platform: darwin
-  free: false
-
 ubuntu-latest:
   arch: x86_64
   platform: linux
@@ -26,11 +10,6 @@ macos-latest:
   platform: darwin
   free: true
 
-windows-latest-large:
-  arch: x86_64
-  platform: windows
-  free: false
-
 windows-latest:
   arch: x86_64
   platform: windows