diff --git a/.github/workflows/build_cmake_tarball.yml b/.github/workflows/build_cmake_tarball.yml
index 061c04dbd1..63783d807c 100644
--- a/.github/workflows/build_cmake_tarball.yml
+++ b/.github/workflows/build_cmake_tarball.yml
@@ -28,14 +28,13 @@ env:
   MAKEFLAGS: "-j2 V=0"
 
 on:
-  workflow_dispatch: 
   workflow_run:
     workflows: ["t8code CMake testsuite"]
     types: [completed]
     branches:
       - main
       - develop
-      - Cpack # for testing this script, all feature branches with "tarball" in their name
+      - Cpack 
 jobs:
   on-success:
     if: ${{ github.event.workflow_run.conclusion == 'success' }}
diff --git a/.github/workflows/create_from_cmake_tarball.yml b/.github/workflows/create_from_cmake_tarball.yml
index af5cd66a6c..e7d73ab2cb 100644
--- a/.github/workflows/create_from_cmake_tarball.yml
+++ b/.github/workflows/create_from_cmake_tarball.yml
@@ -35,8 +35,7 @@ on:
     branches:
       - main
       - develop
-      - Cpack # for testing this script, all feature branches with "tarball" in their name
-  workflow_dispatch: 
+      - Cpack 
 
 jobs:
   on-success: