diff --git a/.github/workflows/bench.yml b/.github/workflows/bench.yml
index 2a1ad02ea9..c7b35a38e8 100644
--- a/.github/workflows/bench.yml
+++ b/.github/workflows/bench.yml
@@ -14,6 +14,8 @@ name: bench
 jobs:
   iai:
     runs-on: ubuntu-latest
+    # Only run benchmarks in merge groups
+    if: github.event_name != 'pull_request'
     steps:
       - name: Checkout main sources
         uses: actions/checkout@v3
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index ce139eb29d..2cfb7e6903 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -1,7 +1,4 @@
 on:
-  push:
-    branches:
-      - main
   pull_request:
   merge_group:
 
diff --git a/.github/workflows/fuzz.yml b/.github/workflows/fuzz.yml
index 9dbc7568ca..e2005ee504 100644
--- a/.github/workflows/fuzz.yml
+++ b/.github/workflows/fuzz.yml
@@ -1,7 +1,4 @@
 on:
-  push:
-    branches:
-      - main
   pull_request:
   merge_group:
 
diff --git a/.github/workflows/integration.yml b/.github/workflows/integration.yml
index fcff216a84..692d167e98 100644
--- a/.github/workflows/integration.yml
+++ b/.github/workflows/integration.yml
@@ -1,7 +1,4 @@
 on:
-  push:
-    branches:
-      - main
   pull_request:
   merge_group:
 
@@ -66,6 +63,8 @@ jobs:
 
   sync:
     name: sync / 100k blocks
+    # Only run sync tests in merge groups
+    if: github.event_name == 'merge_group'
     runs-on: ubuntu-latest
     env:
       RUST_LOG: info,sync=error
@@ -95,7 +94,7 @@ jobs:
     if: always()
     name: integration success
     runs-on: ubuntu-latest
-    needs: [test, sync]
+    needs: [test]
     steps:
       - name: Decide whether the needed jobs succeeded or failed
         uses: re-actors/alls-green@release/v1
diff --git a/.github/workflows/unit.yml b/.github/workflows/unit.yml
index 1204ffa5b7..7873ee1970 100644
--- a/.github/workflows/unit.yml
+++ b/.github/workflows/unit.yml
@@ -1,7 +1,4 @@
 on:
-  push:
-    branches:
-      - main
   pull_request:
   merge_group: