diff --git a/.github/workflows/tugboat-refresh-cache.yml b/.github/workflows/tugboat-refresh-cache.yml
index 8681b9158..c9fd0f42f 100644
--- a/.github/workflows/tugboat-refresh-cache.yml
+++ b/.github/workflows/tugboat-refresh-cache.yml
@@ -46,15 +46,5 @@ jobs:
               if (cacheKeys.includes(`${{ runner.os }}-tugboat-preview-id-pr-${pr}`)) {
                 console.log(`Need to refresh: ${pr}`)
                 toRefresh.push(pr)
-
-                await github.rest.actions.createWorkflowDispatch({
-                  owner: context.repo.owner,
-                  repo: context.repo.repo,
-                  workflow_id: 'tugboat-refresh-cache-dispatch.yml',
-                  ref: `refs/pull/${pr}/merge`,
-                  inputs: {
-                    key: `${{ runner.os }}-tugboat-preview-id-pr-${pr}`
-                  },
-                })
               }
             }