diff --git a/tests/Microsoft.Identity.Test.Unit/PublicApiTests/ClientCredentialWithRegionTests.cs b/tests/Microsoft.Identity.Test.Unit/PublicApiTests/ClientCredentialWithRegionTests.cs
index fe7a510239..1b88f55679 100644
--- a/tests/Microsoft.Identity.Test.Unit/PublicApiTests/ClientCredentialWithRegionTests.cs
+++ b/tests/Microsoft.Identity.Test.Unit/PublicApiTests/ClientCredentialWithRegionTests.cs
@@ -595,7 +595,6 @@ public async Task FailedTokenRequest_SurfacesMetadataOnMsalServiceException_Asyn
             using (var harness = base.CreateTestHarness())
             {
                 var httpManager = harness.HttpManager;
-                httpManager.AddRegionDiscoveryMockHandler(TestConstants.Region);
                 httpManager.AddMockHandler(new MockHttpMessageHandler()
                 {
                     ExpectedUrl = $"https://{TestConstants.Region}.login.microsoft.com/common/oauth2/v2.0/token",