diff --git a/src/VisualStudio/Core/Def/Implementation/ProjectTelemetry/IVisualStudioProjectTelemetryService.cs b/src/VisualStudio/Core/Def/Implementation/ProjectTelemetry/IVisualStudioProjectTelemetryService.cs
index 73c87e43b858d999d2fb5a1476684972a6e4567b..c98c8f37c7ed820454f8b0b4d022cb8907230e08 100644
--- a/src/VisualStudio/Core/Def/Implementation/ProjectTelemetry/IVisualStudioProjectTelemetryService.cs
+++ b/src/VisualStudio/Core/Def/Implementation/ProjectTelemetry/IVisualStudioProjectTelemetryService.cs
@@ -12,7 +12,7 @@ namespace Microsoft.VisualStudio.LanguageServices.Implementation.ProjectTelemetr
     /// <summary>
     /// In process service responsible for listening to OOP telemetry notifications.
     /// </summary>
-    internal interface IVisualStudioProjectTelemetryService : IWorkspaceService
+    internal interface IVisualStudioProjectTelemetryService
     {
         /// <summary>
         /// Called by a host to let this service know that it should start background
diff --git a/src/VisualStudio/Core/Def/Implementation/TodoComments/IVisualStudioTodoCommentsService.cs b/src/VisualStudio/Core/Def/Implementation/TodoComments/IVisualStudioTodoCommentsService.cs
index 82095e00116d16a9eb4dd4c82d1d828ff745ca08..2dcc47dc40ab062907efaf5a73a5637c59a14932 100644
--- a/src/VisualStudio/Core/Def/Implementation/TodoComments/IVisualStudioTodoCommentsService.cs
+++ b/src/VisualStudio/Core/Def/Implementation/TodoComments/IVisualStudioTodoCommentsService.cs
@@ -12,7 +12,7 @@ namespace Microsoft.VisualStudio.LanguageServices.Implementation.TodoComments
     /// <summary>
     /// In process service responsible for listening to OOP todo comment notifications.
     /// </summary>
-    internal interface IVisualStudioTodoCommentsService : IWorkspaceService
+    internal interface IVisualStudioTodoCommentsService
     {
         /// <summary>
         /// Called by a host to let this service know that it should start background