diff --git a/.github/actions/system-test/action.yml b/.github/actions/system-test/action.yml
index b6c329ac..ed599607 100644
--- a/.github/actions/system-test/action.yml
+++ b/.github/actions/system-test/action.yml
@@ -2,11 +2,6 @@ name: system-test
 
 description: Steps to run system test
 
-inputs:
-  workload-identity-provider:
-    description: 'GCP Workload Identity Provider'
-    required: true
-
 runs:
   using: composite
   steps:
diff --git a/.github/workflows/system-test.yml b/.github/workflows/system-test.yml
index 2170e0f2..d2bc56d4 100644
--- a/.github/workflows/system-test.yml
+++ b/.github/workflows/system-test.yml
@@ -23,5 +23,3 @@ jobs:
             github.event.pull_request.head.repo.full_name == github.repository
           )
         uses: ./.github/actions/system-test
-        with:
-          workload-identity-provider: '${{ secrets.GCP_WORKLOAD_IDENTITY_PROVIDER }}'