diff --git a/extra/peg-lexer/peg-lexer.factor b/extra/peg-lexer/peg-lexer.factor
index 032e542bcb..d48d67cfd4 100644
--- a/extra/peg-lexer/peg-lexer.factor
+++ b/extra/peg-lexer/peg-lexer.factor
@@ -1,6 +1,5 @@
 USING: hashtables assocs sequences locals math accessors multiline delegate strings
-delegate.protocols kernel peg peg.ebnf lexer namespaces combinators parser words
-tools.annotations prettyprint ;
+delegate.protocols kernel peg peg.ebnf lexer namespaces combinators parser words ;
 IN: peg-lexer
 
 TUPLE: lex-hash hash ;