diff --git a/src/Workspaces/Core/Portable/AddImports/IAddImportsService.cs b/src/Workspaces/Core/Portable/AddImports/IAddImportsService.cs
index c2363da8b3c3d78d6a968ecdcf1a77f75cf5a36e..cfa37ec2ba034330b2a8e352da9da71d3b94d043 100644
--- a/src/Workspaces/Core/Portable/AddImports/IAddImportsService.cs
+++ b/src/Workspaces/Core/Portable/AddImports/IAddImportsService.cs
@@ -1,6 +1,5 @@
 // Copyright (c) Microsoft.  All Rights Reserved.  Licensed under the Apache License, Version 2.0.  See License.txt in the project root for license information.
 
-using System;
 using System.Collections.Generic;
 using Microsoft.CodeAnalysis.Host;
 using Roslyn.Utilities;