diff --git a/.github/workflows/diff-javadoc.yml b/.github/workflows/diff-javadoc.yml
index db25e1e5281..bb3b2b330fc 100644
--- a/.github/workflows/diff-javadoc.yml
+++ b/.github/workflows/diff-javadoc.yml
@@ -1,7 +1,6 @@
 name: Diff Javadoc
 
-on:
-  pull_request:
+on: workflow_dispatch
 
 jobs:
   build:
diff --git a/.github/workflows/smoke-tests.yml b/.github/workflows/smoke-tests.yml
index d39d6ab6562..f1eee739a49 100644
--- a/.github/workflows/smoke-tests.yml
+++ b/.github/workflows/smoke-tests.yml
@@ -1,6 +1,6 @@
 name: Smoke Tests
 
-on: [ pull_request ]
+on: workflow_dispatch
 
 jobs:
   smoke-tests: