diff --git a/src/PKParser.m b/src/PKParser.m
index 8b0b410..6b0d9ec 100644
--- a/src/PKParser.m
+++ b/src/PKParser.m
@@ -310,7 +310,6 @@ - (id)parse:(NSError **)outError {
         self.tokenSource = nil;
         self.tokenSourceIndex = 0;
         self.tokenSourceCount = 0;
-        self.tokenizer.string = nil;
         self.assembly = nil;
         self.lookahead = nil;
         self.markers = nil;