diff --git a/.azure-pipelines/gpu-tests.yml b/.azure-pipelines/gpu-tests.yml
index ca8c54a61479e..4eacce5d41251 100644
--- a/.azure-pipelines/gpu-tests.yml
+++ b/.azure-pipelines/gpu-tests.yml
@@ -13,7 +13,6 @@ trigger:
       - "release/*"
       - "refs/tags/*"
 pr:
-  - "master"
   - "release/*"
 
 jobs:
diff --git a/.azure-pipelines/ipu-tests.yml b/.azure-pipelines/ipu-tests.yml
index 1b68a05ce012f..2dde23f665f44 100644
--- a/.azure-pipelines/ipu-tests.yml
+++ b/.azure-pipelines/ipu-tests.yml
@@ -8,7 +8,6 @@ trigger:
       - release/*
       - refs/tags/*
 pr:
-  - master
   - release/*
 
 variables:
diff --git a/.circleci/config.yml b/.circleci/config.yml
index 48797fab85034..9f15314354968 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -15,7 +15,6 @@ trigger:
       - "release/*"
       - "refs/tags/*"
 pr:
-  - "master"
   - "release/*"
 
 # Workflow Steps:
diff --git a/.github/workflows/ci_pkg-install.yml b/.github/workflows/ci_pkg-install.yml
index 0be8b37188787..0afc1e265ac01 100644
--- a/.github/workflows/ci_pkg-install.yml
+++ b/.github/workflows/ci_pkg-install.yml
@@ -5,7 +5,7 @@ on:  # Trigger the workflow on push or pull request, but only for the master bra
   push:
     branches: [master, "release/*"]
   pull_request:
-    branches: [master, "release/*"]
+    branches: ["release/*"]
 
 jobs:
 
diff --git a/.github/workflows/ci_schema.yml b/.github/workflows/ci_schema.yml
index d635285fae39a..a5fb5952a2eb0 100644
--- a/.github/workflows/ci_schema.yml
+++ b/.github/workflows/ci_schema.yml
@@ -2,7 +2,7 @@ name: Schema
 on: # Trigger the workflow on push or pull request, but only for the master branch
   push: {}
   pull_request:
-    branches: [master, "release/*"]
+    branches: ["release/*"]
 
 jobs:
   check:
diff --git a/.github/workflows/ci_test-base.yml b/.github/workflows/ci_test-base.yml
index c2f1d370e2d1a..bd7be230a288a 100644
--- a/.github/workflows/ci_test-base.yml
+++ b/.github/workflows/ci_test-base.yml
@@ -7,7 +7,7 @@ on:  # Trigger the workflow on push or pull request, but only for the master bra
   push:
     branches: [master, "release/*"]
   pull_request:
-    branches: [master, "release/*"]
+    branches: ["release/*"]
 
 jobs:
   source:
diff --git a/.github/workflows/ci_test-conda.yml b/.github/workflows/ci_test-conda.yml
index fa366e645f1d9..18033702478b8 100644
--- a/.github/workflows/ci_test-conda.yml
+++ b/.github/workflows/ci_test-conda.yml
@@ -5,7 +5,7 @@ on:  # Trigger the workflow on push or pull request, but only for the master bra
   push:
     branches: [master, "release/*"]
   pull_request:
-    branches: [master, "release/*"]
+    branches: ["release/*"]
 
 jobs:
   conda:
diff --git a/.github/workflows/ci_test-slow.yml b/.github/workflows/ci_test-slow.yml
index b9a07c4b6a26f..8d37f313c3021 100644
--- a/.github/workflows/ci_test-slow.yml
+++ b/.github/workflows/ci_test-slow.yml
@@ -5,7 +5,7 @@ on:  # Trigger the workflow on push or pull request, but only for the master bra
   push:
     branches: [master, "release/*"]
   pull_request:
-    branches: [master, "release/*"]
+    branches: ["release/*"]
 
 jobs:
   slow:
diff --git a/.github/workflows/code-checks.yml b/.github/workflows/code-checks.yml
index 8cd4206ab61b7..5b8f88490c7b2 100644
--- a/.github/workflows/code-checks.yml
+++ b/.github/workflows/code-checks.yml
@@ -4,7 +4,7 @@ on:  # Trigger the workflow on push or pull request, but only for the master bra
   push:
     branches: [master, "release/*"]
   pull_request:
-    branches: [master, "release/*"]
+    branches: ["release/*"]
 
 jobs:
   mypy:
diff --git a/.github/workflows/docs-checks.yml b/.github/workflows/docs-checks.yml
index 841f9128da8b1..e7a9579966ba5 100644
--- a/.github/workflows/docs-checks.yml
+++ b/.github/workflows/docs-checks.yml
@@ -5,7 +5,7 @@ on:  # Trigger the workflow on push or pull request, but only for the master bra
   push:
     branches: [master, "release/*"]
   pull_request:
-    branches: [master, "release/*"]
+    branches: ["release/*"]
 
 jobs:
   doctest: