diff --git a/.github/workflows/ci-nightly.yaml b/.github/workflows/ci-nightly.yaml
index 75f5f26675..fe1fbde858 100644
--- a/.github/workflows/ci-nightly.yaml
+++ b/.github/workflows/ci-nightly.yaml
@@ -2,7 +2,6 @@ name: Kata Containers Nightly CI
 on:
   schedule:
     - cron: '0 0 * * *'
-  workflow_dispatch:
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}