diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 0874557a79c..c143da3e855 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -3,12 +3,10 @@ on:
   push:
     branches:
       - main
-      - next-major
   pull_request:
   merge_group:
     branches:
       - main
-      - next-major
     types:
       - checks_requested
 
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index ef4ed184bcb..d9ccd00fd14 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -4,7 +4,6 @@ on:
   push:
     branches:
       - main
-      - next-major
 
 jobs:
   release-main:
@@ -48,17 +47,3 @@ jobs:
           GITHUB_TOKEN: ${{ steps.app-token.outputs.token }}
           NPM_TOKEN: ${{ secrets.NPM_AUTH_TOKEN_SHARED }}
       - uses: ./.github/actions/upload-versions
-
-  release-next-major:
-    if: github.ref_name == 'next-major'
-    name: Next major
-    uses: primer/.github/.github/workflows/release_with_app.yml@v2.0.0
-    with:
-      title: Release tracking (next major)
-    secrets:
-      npm_token: ${{ secrets.NPM_AUTH_TOKEN_SHARED }}
-      app-id: ${{ vars.PRIMER_APP_ID_SHARED }}
-      private-key: ${{ secrets.PRIMER_APP_PRIVATE_KEY_SHARED }}
-      client-id: ${{ vars.PRIMER_APP_CLIENT_ID_SHARED }}
-      client-secret: ${{ secrets.PRIMER_APP_CLIENT_SECRET_SHARED }}
-      installation-id: ${{ vars.PRIMER_APP_INSTALLATION_ID_SHARED }}
diff --git a/.github/workflows/release_canary.yml b/.github/workflows/release_canary.yml
index 371291409d7..eb9a14bd92c 100644
--- a/.github/workflows/release_canary.yml
+++ b/.github/workflows/release_canary.yml
@@ -3,7 +3,6 @@ on:
   push:
     branches-ignore:
       - 'main'
-      - 'next-major'
       - 'changeset-release/**'
   workflow_dispatch:
 
diff --git a/.github/workflows/release_candidate.yml b/.github/workflows/release_candidate.yml
index 1d05584afb7..d0385d726ef 100644
--- a/.github/workflows/release_candidate.yml
+++ b/.github/workflows/release_candidate.yml
@@ -4,7 +4,6 @@ on:
   push:
     branches:
       - 'changeset-release/main'
-      - 'changeset-release/next-major'
 
 jobs:
   release-candidate:
diff --git a/.github/workflows/reports.yml b/.github/workflows/reports.yml
index 096309f75cd..22567e1271c 100644
--- a/.github/workflows/reports.yml
+++ b/.github/workflows/reports.yml
@@ -3,11 +3,9 @@ on:
   push:
     branches:
       - main
-      - next-major
   merge_group:
     branches:
       - main
-      - next-major
     types:
       - checks_requested
 
diff --git a/packages/react/src/experimental/SelectPanel2/mock-story-data.ts b/packages/react/src/experimental/SelectPanel2/mock-story-data.ts
index 883c1b88424..e1051de8ff6 100644
--- a/packages/react/src/experimental/SelectPanel2/mock-story-data.ts
+++ b/packages/react/src/experimental/SelectPanel2/mock-story-data.ts
@@ -915,9 +915,7 @@ const data = {
   ],
   branches: [
     {id: 'main', name: 'main', trailingInfo: 'Default'},
-    {id: 'next-major', name: 'next-major'},
     {id: 'changeset-release/main', name: 'changeset-release/main'},
-    {id: 'changeset-release/next-major', name: 'changeset-release/next-major'},
     {id: 'selectpanel-2', name: 'selectpanel-2'},
     {id: 'bs/actionlist-heading', name: 'bs/actionlist-heading'},
     {id: 'refactor/support-alt-names', name: 'refactor/support-alt-names'},