diff --git a/Nibriboard/RippleSpace/ChunkReference.cs b/Nibriboard/RippleSpace/ChunkReference.cs
index 2eb40de..9cc7ec6 100644
--- a/Nibriboard/RippleSpace/ChunkReference.cs
+++ b/Nibriboard/RippleSpace/ChunkReference.cs
@@ -1,5 +1,4 @@
 using System;
-using System.Security.Policy;
 using System.IO;
 using SBRL.Utilities;