diff --git a/Scripts/XNodeRuntimeConstants.cs b/Scripts/XNodeRuntimeConstants.cs
index 027f979..9f112da 100644
--- a/Scripts/XNodeRuntimeConstants.cs
+++ b/Scripts/XNodeRuntimeConstants.cs
@@ -25,7 +25,6 @@ namespace XNode
             "nunit",
             "SyntaxTree",
             "System",
-            "Unity",
             "UnityEditor",
             "UnityEngine"
         };