diff --git a/tests/pytype_blacklist.txt b/tests/pytype_blacklist.txt
index 3552f6d9a..cbf3b7bde 100644
--- a/tests/pytype_blacklist.txt
+++ b/tests/pytype_blacklist.txt
@@ -4,7 +4,6 @@ stdlib/2/__builtin__.pyi
 stdlib/2/builtins.pyi
 stdlib/2/types.pyi
 stdlib/2/typing.pyi
-stdlib/2and3/webbrowser.pyi
 
 # Because of 'from . import path':
 stdlib/2/os/__init__.pyi