diff --git a/hy/lex/parser.py b/hy/lex/parser.py
index 236b825..fac2577 100755
--- a/hy/lex/parser.py
+++ b/hy/lex/parser.py
@@ -17,10 +17,7 @@ from .lexer import lexer
 from .exceptions import LexException, PrematureEndOfInput
 
 
-pg = ParserGenerator(
-    [rule.name for rule in lexer.rules] + ['$end'],
-    cache_id="hy_parser"
-)
+pg = ParserGenerator([rule.name for rule in lexer.rules] + ['$end'])
 
 mangle_delim = 'X'