diff --git a/Lib/distutils/command/build_ext.py b/Lib/distutils/command/build_ext.py
index 96e7ce524fa..f2e0b319b3d 100644
--- a/Lib/distutils/command/build_ext.py
+++ b/Lib/distutils/command/build_ext.py
@@ -259,7 +259,7 @@ def get_outputs (self):
     # get_outputs ()
 
 
-    def build_extensions (self, extensions):
+    def build_extensions (self):
 
         # First, sanity-check the 'extensions' list
         self.check_extensions_list (self.extensions)