diff --git a/.github/workflows/iron-abi-compatibility.yml b/.github/workflows/iron-abi-compatibility.yml
index 0a08ec7115..f92166b0c1 100644
--- a/.github/workflows/iron-abi-compatibility.yml
+++ b/.github/workflows/iron-abi-compatibility.yml
@@ -2,10 +2,9 @@ name: Iron - ABI Compatibility Check
 on:
   workflow_dispatch:
     branches:
-      - iron
+      - master
   pull_request:
     branches:
-      - iron
       - master
 
 jobs:
diff --git a/.github/workflows/iron-binary-build-main.yml b/.github/workflows/iron-binary-build-main.yml
index 0f2ab06d31..be225cc0e1 100644
--- a/.github/workflows/iron-binary-build-main.yml
+++ b/.github/workflows/iron-binary-build-main.yml
@@ -5,14 +5,13 @@ name: Iron Binary Build - main
 on:
   workflow_dispatch:
     branches:
-      - iron
+      - master
   pull_request:
     branches:
-      - iron
       - master
   push:
     branches:
-      - iron
+      - master
   schedule:
     # Run every morning to detect flakiness and broken dependencies
     - cron: '03 1 * * *'
@@ -24,4 +23,4 @@ jobs:
       ros_distro: iron
       ros_repo: main
       upstream_workspace: ros2_control-not-released.iron.repos
-      ref_for_scheduled_build: iron
+      ref_for_scheduled_build: master
diff --git a/.github/workflows/iron-binary-build-testing.yml b/.github/workflows/iron-binary-build-testing.yml
index 2e48e90f05..c44786c7e2 100644
--- a/.github/workflows/iron-binary-build-testing.yml
+++ b/.github/workflows/iron-binary-build-testing.yml
@@ -5,14 +5,13 @@ name: Iron Binary Build - testing
 on:
   workflow_dispatch:
     branches:
-      - iron
+      - master
   pull_request:
     branches:
-      - iron
       - master
   push:
     branches:
-      - iron
+      - master
   schedule:
     # Run every morning to detect flakiness and broken dependencies
     - cron: '03 1 * * *'
@@ -24,4 +23,4 @@ jobs:
       ros_distro: iron
       ros_repo: testing
       upstream_workspace: ros2_control-not-released.iron.repos
-      ref_for_scheduled_build: iron
+      ref_for_scheduled_build: master
diff --git a/.github/workflows/iron-semi-binary-build-main.yml b/.github/workflows/iron-semi-binary-build-main.yml
index bc69a94062..1d72d06149 100644
--- a/.github/workflows/iron-semi-binary-build-main.yml
+++ b/.github/workflows/iron-semi-binary-build-main.yml
@@ -4,14 +4,13 @@ name: Iron Semi-Binary Build - main
 on:
   workflow_dispatch:
     branches:
-      - iron
+      - master
   pull_request:
     branches:
-      - iron
       - master
   push:
     branches:
-      - iron
+      - master
   schedule:
     # Run every morning to detect flakiness and broken dependencies
     - cron: '33 1 * * *'
@@ -23,4 +22,4 @@ jobs:
       ros_distro: iron
       ros_repo: main
       upstream_workspace: ros2_control.iron.repos
-      ref_for_scheduled_build: iron
+      ref_for_scheduled_build: master
diff --git a/.github/workflows/iron-semi-binary-build-testing.yml b/.github/workflows/iron-semi-binary-build-testing.yml
index 2fe30ce792..48707cd914 100644
--- a/.github/workflows/iron-semi-binary-build-testing.yml
+++ b/.github/workflows/iron-semi-binary-build-testing.yml
@@ -4,14 +4,13 @@ name: Iron Semi-Binary Build - testing
 on:
   workflow_dispatch:
     branches:
-      - iron
+      - master
   pull_request:
     branches:
-      - iron
       - master
   push:
     branches:
-      - iron
+      - master
   schedule:
     # Run every morning to detect flakiness and broken dependencies
     - cron: '33 1 * * *'
@@ -23,4 +22,4 @@ jobs:
       ros_distro: iron
       ros_repo: testing
       upstream_workspace: ros2_control.iron.repos
-      ref_for_scheduled_build: iron
+      ref_for_scheduled_build: master
diff --git a/.github/workflows/iron-source-build.yml b/.github/workflows/iron-source-build.yml
index 60137b7e50..31eccd1bef 100644
--- a/.github/workflows/iron-source-build.yml
+++ b/.github/workflows/iron-source-build.yml
@@ -2,10 +2,9 @@ name: Iron Source Build
 on:
   workflow_dispatch:
     branches:
-      - iron
+      - master
   push:
     branches:
-      - iron
       - master
   schedule:
     # Run every day to detect flakiness and broken dependencies
@@ -16,5 +15,5 @@ jobs:
     uses: ./.github/workflows/reusable-ros-tooling-source-build.yml
     with:
       ros_distro: iron
-      ref: iron
+      ref: master
       ros2_repo_branch: iron