diff --git a/.azurepipelines/templates/pr-gate-build-job.yml b/.azurepipelines/templates/pr-gate-build-job.yml
index 61868554d4..a9f89aa684 100644
--- a/.azurepipelines/templates/pr-gate-build-job.yml
+++ b/.azurepipelines/templates/pr-gate-build-job.yml
@@ -44,6 +44,11 @@ jobs:
       TARGET_SECURITY:
         Build.Pkgs: 'SecurityPkg'
         Build.Targets: 'DEBUG,RELEASE,NO-TARGET'
+      TARGET_PLATFORMS:
+        # For Platforms only check code. Leave it to Platform CI
+        # to build them.
+        Build.Pkgs: 'ArmVirtPkg,EmulatorPkg,OvmfPkg'
+        Build.Targets: 'NO-TARGET'
 
   workspace:
     clean: all