diff --git a/.github/workflows/deep-source.yml b/.github/workflows/deep-source.yml
index 5adfd6e..c51cbca 100644
--- a/.github/workflows/deep-source.yml
+++ b/.github/workflows/deep-source.yml
@@ -6,8 +6,6 @@ on:
       - main
   pull_request:
     types: [opened, synchronize, reopened]
-  pull_request_target:
-    types: [opened, synchronize, reopened]
 
 jobs:
   DeepSource:
@@ -31,9 +29,6 @@ jobs:
           (
             github.event_name == 'pull_request' &&
             github.event.pull_request.head.repo.full_name == github.repository
-          ) || (
-            github.event_name == 'pull_request_target' &&
-            github.event.pull_request.head.repo.full_name != github.repository
           ) || (
             github.event_name == 'workflow_dispatch'
           )