diff --git a/src/Compilers/CSharp/Portable/Symbols/LabelSymbol.cs b/src/Compilers/CSharp/Portable/Symbols/LabelSymbol.cs
index d990ffdc4ea7c9f9ebaddd7017a6ba91be0ee1ae..75b7f7a59c7e3841ce95adaa7f6f72a968efb365 100644
--- a/src/Compilers/CSharp/Portable/Symbols/LabelSymbol.cs
+++ b/src/Compilers/CSharp/Portable/Symbols/LabelSymbol.cs
@@ -4,7 +4,6 @@
 
 using System;
 using System.Collections.Immutable;
-using System.Diagnostics.CodeAnalysis;
 using Microsoft.CodeAnalysis.CSharp.Symbols;
 using Microsoft.CodeAnalysis.CSharp.Syntax;
 using Microsoft.CodeAnalysis.Text;