diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index ee79f7e85..6e419e5b9 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -81,7 +81,6 @@ jobs:
     strategy:
       matrix:
         task:
-          - internal_investigation
           - spec
     name: "Oldest RuboCop: ${{ matrix.task }}"
     steps: