diff --git a/src/flake8/defaults.py b/src/flake8/defaults.py
index d9f5a0b..ede2946 100644
--- a/src/flake8/defaults.py
+++ b/src/flake8/defaults.py
@@ -1,8 +1,8 @@
 """Constants that define defaults."""
 
-EXCLUDE = '.svn,CVS,.bzr,.hg,.git,__pycache__,.tox'
+EXCLUDE = '.svn,CVS,.bzr,.hg,.git,__pycache__,.tox,.eggs,*.egg'
 IGNORE = 'E121,E123,E126,E226,E24,E704,W503,W504'
-SELECT = 'E,F,W,C'
+SELECT = 'E,F,W,C90'
 MAX_LINE_LENGTH = 79
 
 TRUTHY_VALUES = set(['true', '1', 't'])