diff --git a/.github/workflows/system-tests.yml b/.github/workflows/system-tests.yml
index e1ce6f7d767..c53c5b3064c 100644
--- a/.github/workflows/system-tests.yml
+++ b/.github/workflows/system-tests.yml
@@ -47,10 +47,8 @@ jobs:
       TEST_LIBRARY: nodejs
       WEBLOG_VARIANT: ${{ matrix.weblog-variant }}
       DD_API_KEY: ${{ secrets.DD_API_KEY }}
-      AWS_ACCESS_KEY_ID: ${{ secrets.IDM_AWS_ACCESS_KEY_ID }}
-      AWS_SECRET_ACCESS_KEY: ${{ secrets.IDM_AWS_SECRET_ACCESS_KEY }}
-      AWS_REGION: us-east-1
-      AWS_DEFAULT_REGION: us-east-1  # AWS services should use `AWS_REGION`, but some still use the older `AWS_DEFAULT_REGION`
+      SYSTEM_TESTS_AWS_ACCESS_KEY_ID: ${{ secrets.IDM_AWS_ACCESS_KEY_ID }}
+      SYSTEM_TESTS_AWS_SECRET_ACCESS_KEY: ${{ secrets.IDM_AWS_SECRET_ACCESS_KEY }}
 
     steps:
       - name: Checkout system tests