diff --git a/Assets/Mirror/Core/NetworkWriterPool.cs b/Assets/Mirror/Core/NetworkWriterPool.cs
index 1517a4830..693517fc3 100644
--- a/Assets/Mirror/Core/NetworkWriterPool.cs
+++ b/Assets/Mirror/Core/NetworkWriterPool.cs
@@ -1,5 +1,4 @@
 // API consistent with Microsoft's ObjectPool<T>.
-using System;
 using System.Runtime.CompilerServices;
 
 namespace Mirror