diff --git a/.github/workflows/cppcheck.yml b/.github/workflows/cppcheck.yml
index 320eae8..7dbaed8 100644
--- a/.github/workflows/cppcheck.yml
+++ b/.github/workflows/cppcheck.yml
@@ -1,6 +1,6 @@
 name: cppcheck
 
-on: [push, pull_request]
+on: [pull_request]
 
 
 jobs:
diff --git a/.github/workflows/deterministic.yml b/.github/workflows/deterministic.yml
index 5f79b65..ee85567 100644
--- a/.github/workflows/deterministic.yml
+++ b/.github/workflows/deterministic.yml
@@ -1,6 +1,6 @@
 name: test deterministic operation
 
-on: [push, pull_request]
+on: [pull_request]
 
 
 jobs:
diff --git a/.github/workflows/gcc11.yml b/.github/workflows/gcc11.yml
index 5ed17d3..d62b964 100644
--- a/.github/workflows/gcc11.yml
+++ b/.github/workflows/gcc11.yml
@@ -1,6 +1,6 @@
 name: gcc 11
 
-on: [push, pull_request]
+on: [pull_request]
 
 
 jobs:
diff --git a/.github/workflows/gcc12.yml b/.github/workflows/gcc12.yml
index a6dcb71..5d9cfff 100644
--- a/.github/workflows/gcc12.yml
+++ b/.github/workflows/gcc12.yml
@@ -1,6 +1,6 @@
 name: gcc 12
 
-on: [push, pull_request]
+on: [pull_request]
 
 
 jobs:
diff --git a/.github/workflows/gcc13.yml b/.github/workflows/gcc13.yml
index d439330..281ae56 100644
--- a/.github/workflows/gcc13.yml
+++ b/.github/workflows/gcc13.yml
@@ -1,6 +1,6 @@
 name: gcc 13
 
-on: [push, pull_request]
+on: [pull_request]
 
 
 jobs:
diff --git a/.github/workflows/mac.yml b/.github/workflows/mac.yml
index 7d5c82f..8a5e50c 100644
--- a/.github/workflows/mac.yml
+++ b/.github/workflows/mac.yml
@@ -1,6 +1,6 @@
 name: mac os x default build
 
-on: [push, pull_request]
+on: [pull_request]
 
 jobs:
   build:
diff --git a/.github/workflows/quality.yml b/.github/workflows/quality.yml
index 3c6a0e7..5b18cf2 100644
--- a/.github/workflows/quality.yml
+++ b/.github/workflows/quality.yml
@@ -1,6 +1,6 @@
 name: build variants
 
-on: [push, pull_request]
+on: [pull_request]
 
 
 jobs:
diff --git a/.github/workflows/ubuntu-default.yml b/.github/workflows/ubuntu-default.yml
index c4d79eb..4a5dfb5 100644
--- a/.github/workflows/ubuntu-default.yml
+++ b/.github/workflows/ubuntu-default.yml
@@ -1,6 +1,6 @@
 name: ubuntu default build
 
-on: [push, pull_request]
+on: [pull_request]
 
 jobs:
   build: