diff --git a/lib/src/DynamicProto.ts b/lib/src/DynamicProto.ts
index dcb6cb9..6beebbb 100644
--- a/lib/src/DynamicProto.ts
+++ b/lib/src/DynamicProto.ts
@@ -16,7 +16,7 @@ interface DynamicGlobalSettings {
     n: number
 };
 
-const UNDEFINED = "undefined";
+
 
 /**
  * Constant string defined to support minimization