diff --git a/.github/workflows/humble-semi-binary-build.yml b/.github/workflows/humble-semi-binary-build.yml
index 5ed87435b..01aa6d491 100644
--- a/.github/workflows/humble-semi-binary-build.yml
+++ b/.github/workflows/humble-semi-binary-build.yml
@@ -39,7 +39,7 @@ jobs:
       fail-fast: false
       matrix:
         ROS_DISTRO: [humble]
-        ROS_REPO: [main, testing]
+        ROS_REPO: [testing]
     with:
       ros_distro: ${{ matrix.ROS_DISTRO }}
       ros_repo: ${{ matrix.ROS_REPO }}
diff --git a/.github/workflows/iron-semi-binary-build.yml b/.github/workflows/iron-semi-binary-build.yml
index 9ca613d14..400bc327e 100644
--- a/.github/workflows/iron-semi-binary-build.yml
+++ b/.github/workflows/iron-semi-binary-build.yml
@@ -40,7 +40,7 @@ jobs:
       fail-fast: false
       matrix:
         ROS_DISTRO: [iron]
-        ROS_REPO: [main, testing]
+        ROS_REPO: [testing]
     with:
       ros_distro: ${{ matrix.ROS_DISTRO }}
       ros_repo: ${{ matrix.ROS_REPO }}
diff --git a/.github/workflows/rolling-semi-binary-build.yml b/.github/workflows/rolling-semi-binary-build.yml
index ff3d0788a..c8d4f8dc2 100644
--- a/.github/workflows/rolling-semi-binary-build.yml
+++ b/.github/workflows/rolling-semi-binary-build.yml
@@ -39,7 +39,7 @@ jobs:
       fail-fast: false
       matrix:
         ROS_DISTRO: [rolling, jazzy]
-        ROS_REPO: [main, testing]
+        ROS_REPO: [testing]
     with:
       ros_distro: ${{ matrix.ROS_DISTRO }}
       ros_repo: ${{ matrix.ROS_REPO }}