diff --git a/src/Features/Core/Portable/FindUsages/IDefinitionsAndReferencesFactory.cs b/src/Features/Core/Portable/FindUsages/IDefinitionsAndReferencesFactory.cs
index 290652b795d5f17bd3dfc79b53bb314107b7f954..2361e780c23615c5ccaf20de00cea3d338fb16ab 100644
--- a/src/Features/Core/Portable/FindUsages/IDefinitionsAndReferencesFactory.cs
+++ b/src/Features/Core/Portable/FindUsages/IDefinitionsAndReferencesFactory.cs
@@ -178,7 +178,7 @@ internal static class DefinitionItemExtensions
                         return DefinitionItem.CreateMetadataDefinition(
                             tags, displayParts, solution, definition, displayIfNoReferences);
                     }
-                    else
+                    else if (location.IsInSource)
                     {
                         if (!location.IsVisibleSourceLocation() &&
                             !includeHiddenLocations)