diff --git a/src/EditorFeatures/CSharpTest/Completion/CompletionProviders/SymbolCompletionProviderTests.cs b/src/EditorFeatures/CSharpTest/Completion/CompletionProviders/SymbolCompletionProviderTests.cs
index d59e6c0752a159d653914952941bf131c3a3797e..35fbc2ca5cfc116dfb891409117557aeb92c369a 100644
--- a/src/EditorFeatures/CSharpTest/Completion/CompletionProviders/SymbolCompletionProviderTests.cs
+++ b/src/EditorFeatures/CSharpTest/Completion/CompletionProviders/SymbolCompletionProviderTests.cs
@@ -6880,6 +6880,7 @@ void M()
             VerifyItemInLinkedFiles(markup, "y", expectedDescription);
         }
 
+        [WorkItem(1063403)]
         [Fact, Trait(Traits.Feature, Traits.Features.Completion)]
         public void MethodOverloadDifferencesIgnored()
         {
@@ -6913,6 +6914,7 @@ void Shared()
             VerifyItemInLinkedFiles(markup, "Do", expectedDescription);
         }
 
+        [WorkItem(1063403)]
         [Fact, Trait(Traits.Feature, Traits.Features.Completion)]
         public void WarningForSymbolsOfDifferingKind()
         {