diff --git a/src/Compilers/Core/Portable/Serialization/IObjectWritable.cs b/src/Compilers/Core/Portable/Serialization/IObjectWritable.cs
index a5c494ff6d7bbc090a922ed3c31a655ca5c9e370..77956a643abf86d9cf8267232050d5b0b79810fa 100644
--- a/src/Compilers/Core/Portable/Serialization/IObjectWritable.cs
+++ b/src/Compilers/Core/Portable/Serialization/IObjectWritable.cs
@@ -10,4 +10,4 @@ internal interface IObjectWritable
     {
         void WriteTo(ObjectWriter writer);
     }
-}
+}
\ No newline at end of file
diff --git a/src/Compilers/Core/Portable/Serialization/ObjectBinder.cs b/src/Compilers/Core/Portable/Serialization/ObjectBinder.cs
index 59821dd731bcc972a1c74c757d04348d632f5399..d3fcc95b5d18271ba88483d8b226f6cdf575a205 100644
--- a/src/Compilers/Core/Portable/Serialization/ObjectBinder.cs
+++ b/src/Compilers/Core/Portable/Serialization/ObjectBinder.cs
@@ -2,8 +2,6 @@
 
 using System;
 using System.Collections.Generic;
-using System.Collections.Immutable;
-using System.Linq;
 
 namespace Roslyn.Utilities
 {