diff --git a/pycparser/c_lexer.py b/pycparser/c_lexer.py
index cbb9d26..cbd7742 100644
--- a/pycparser/c_lexer.py
+++ b/pycparser/c_lexer.py
@@ -9,8 +9,8 @@
 import re
 import sys
 
-from .ply import lex
-from .ply.lex import TOKEN
+from ply import lex
+from ply.lex import TOKEN
 
 
 class CLexer(object):
diff --git a/pycparser/c_parser.py b/pycparser/c_parser.py
index f4f7453..5c0ca88 100644
--- a/pycparser/c_parser.py
+++ b/pycparser/c_parser.py
@@ -8,7 +8,7 @@
 #------------------------------------------------------------------------------
 import re
 
-from .ply import yacc
+from ply import yacc
 
 from . import c_ast
 from .c_lexer import CLexer
diff --git a/setup.py b/setup.py
index fdccbb3..036a10b 100644
--- a/setup.py
+++ b/setup.py
@@ -49,7 +49,7 @@ setup(
     classifiers = [
         'Programming Language :: Python :: 2',
         'Programming Language :: Python :: 3',],
-    packages=['pycparser', 'pycparser.ply'],
+    packages=['pycparser'],
     package_data={'pycparser': ['*.cfg']},
     cmdclass={'install': install, 'sdist': sdist},
 )
