diff --git a/.azure/pipelines/identitymodel-helix-matrix.yml b/.azure/pipelines/identitymodel-helix-matrix.yml
index 81e5858c58a9..8329ee4d11f9 100644
--- a/.azure/pipelines/identitymodel-helix-matrix.yml
+++ b/.azure/pipelines/identitymodel-helix-matrix.yml
@@ -37,6 +37,8 @@ extends:
         compiled:
           enabled: false
           justificationForDisabling: 'This is a test-only pipeline. The same product code is already scanned in the main pipeline (aspnetcore-ci)'
+    featureFlags:
+      autoEnablePREfastWithNewRuleset: false
 
     stages:
     - stage: build