diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 0fa3f8c..0946a05 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -2,7 +2,7 @@ name: CI
 
 on:
   push:
-    branches: [main, codex-mmcl-phase0]
+    branches: [main]
   pull_request:
     branches: [main]
 
@@ -28,6 +28,8 @@ jobs:
             -project MMCL.xcodeproj \
             -scheme MMCL \
             -destination 'platform=macOS' \
+            CODE_SIGNING_ALLOWED=NO \
+            MACOSX_DEPLOYMENT_TARGET=14.0 \
             -quiet
 
       - name: Test
@@ -36,6 +38,8 @@ jobs:
             -project MMCL.xcodeproj \
             -scheme MMCL \
             -destination 'platform=macOS' \
+            CODE_SIGNING_ALLOWED=NO \
+            MACOSX_DEPLOYMENT_TARGET=14.0 \
             -only-testing:MMCLTests \
             -quiet