diff --git a/src/ClassParser/CodeParser.class.st b/src/ClassParser/CodeParser.class.st
index bdcaa919d60..4d46656a459 100644
--- a/src/ClassParser/CodeParser.class.st
+++ b/src/ClassParser/CodeParser.class.st
@@ -4,9 +4,6 @@ I am a parser for generating an AST of classes from a string, i am only used in
 Class {
 	#name : #CodeParser,
 	#superclass : #Object,
-	#instVars : [
-		'originalString'
-	],
 	#category : #'ClassParser-Model'
 }