diff --git a/.github/workflows/black.yml b/.github/workflows/black.yml
index fb681dcd5..7258b6087 100644
--- a/.github/workflows/black.yml
+++ b/.github/workflows/black.yml
@@ -1,6 +1,10 @@
 name: Python Formatting (run ./bw-dev black to fix)
 
-on: [push, pull_request]
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
 
 jobs:
   lint:
diff --git a/.github/workflows/pylint.yml b/.github/workflows/pylint.yml
index 1a32940f9..1b14149f2 100644
--- a/.github/workflows/pylint.yml
+++ b/.github/workflows/pylint.yml
@@ -1,6 +1,10 @@
 name: Pylint
 
-on: [push, pull_request]
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
 
 jobs:
   build: