diff --git a/Lib/distutils/command/build_ext.py b/Lib/distutils/command/build_ext.py
index 96e7ce5..f2e0b31 100644
--- a/Lib/distutils/command/build_ext.py
+++ b/Lib/distutils/command/build_ext.py
@@ -259,7 +259,7 @@
     # get_outputs ()
 
 
-    def build_extensions (self, extensions):
+    def build_extensions (self):
 
         # First, sanity-check the 'extensions' list
         self.check_extensions_list (self.extensions)