diff --git a/.github/workflows/c-cpp.yml b/.github/workflows/c-cpp.yml
index 609028703..ec6b67e70 100644
--- a/.github/workflows/c-cpp.yml
+++ b/.github/workflows/c-cpp.yml
@@ -1,10 +1,11 @@
 name: C/C++ CI
 
 on:
-  push:
-    paths: [ '**.c', '**.h', '**.m4', '**.sh', '**/Makefile.in', 'configure.ac', '.github/configs', '.github/workflows/c-cpp.yaml' ]
-  pull_request:
-    paths: [ '**.c', '**.h', '**.m4', '**.sh', '**/Makefile.in', 'configure.ac', '.github/configs', '.github/workflows/c-cpp.yaml' ]
+  workflow_dispatch: # disable for win32-openssh fork
+  # push:
+  #   paths: [ '**.c', '**.h', '**.m4', '**.sh', '**/Makefile.in', 'configure.ac', '.github/configs', '.github/workflows/c-cpp.yaml' ]
+  # pull_request:
+  #   paths: [ '**.c', '**.h', '**.m4', '**.sh', '**/Makefile.in', 'configure.ac', '.github/configs', '.github/workflows/c-cpp.yaml' ]
 
 jobs:
   ci:
diff --git a/.github/workflows/cifuzz.yml b/.github/workflows/cifuzz.yml
index ab8b1c6e0..595e4804b 100644
--- a/.github/workflows/cifuzz.yml
+++ b/.github/workflows/cifuzz.yml
@@ -1,9 +1,10 @@
 name: CIFuzz
 on:
-  push:
-    paths: [ '**.c', '**.h', '**.m4', '**.sh', '**/Makefile.in', 'configure.ac', '.github/configs', '.github/workflows/cifuzz.yml' ]
-  pull_request:
-    paths: [ '**.c', '**.h', '**.m4', '**.sh', '**/Makefile.in', 'configure.ac', '.github/configs', '.github/workflows/cifuzz.yml' ]
+  workflow_dispatch: # disable for win32-openssh fork
+  # push:
+  #   paths: [ '**.c', '**.h', '**.m4', '**.sh', '**/Makefile.in', 'configure.ac', '.github/configs', '.github/workflows/c-cpp.yaml' ]
+  # pull_request:
+  #   paths: [ '**.c', '**.h', '**.m4', '**.sh', '**/Makefile.in', 'configure.ac', '.github/configs', '.github/workflows/c-cpp.yaml' ]
 
 jobs:
   Fuzzing:
diff --git a/.github/workflows/selfhosted.yml b/.github/workflows/selfhosted.yml
index 167297359..37594a24e 100644
--- a/.github/workflows/selfhosted.yml
+++ b/.github/workflows/selfhosted.yml
@@ -1,8 +1,9 @@
 name: C/C++ CI self-hosted
 
 on:
-  push:
-    paths: [ '**.c', '**.h', '**.m4', '**.sh', '**/Makefile.in', 'configure.ac', '.github/configs', '.github/workflows/selfhosted.yml' ]
+  workflow_dispatch: # disable for win32-openssh fork
+  # push:
+  #   paths: [ '**.c', '**.h', '**.m4', '**.sh', '**/Makefile.in', 'configure.ac', '.github/configs', '.github/workflows/selfhosted.yml' ]
 
 jobs:
   selfhosted:
diff --git a/.github/workflows/upstream.yml b/.github/workflows/upstream.yml
index e25adb423..4c0e24acb 100644
--- a/.github/workflows/upstream.yml
+++ b/.github/workflows/upstream.yml
@@ -1,9 +1,10 @@
 name: Upstream self-hosted
 
 on:
-  push:
-    branches: [ master ]
-    paths: [ '**.c', '**.h', '**.sh', '.github/configs', '.github/workflows/upstream.yml' ]
+  workflow_dispatch: # disable for win32-openssh fork
+  # push:
+  #   branches: [ master ]
+  #   paths: [ '**.c', '**.h', '**.sh', '.github/configs', '.github/workflows/upstream.yml' ]
 
 jobs:
   selfhosted: