diff --git a/Lib/ipaddress.py b/Lib/ipaddress.py
index 1cb71d8032e173..af1d5c4800cce8 100644
--- a/Lib/ipaddress.py
+++ b/Lib/ipaddress.py
@@ -1821,9 +1821,6 @@ def _string_from_ip_int(cls, ip_int=None):
     def _explode_shorthand_ip_string(self):
         """Expand a shortened IPv6 address.
 
-        Args:
-            ip_str: A string, the IPv6 address.
-
         Returns:
             A string, the expanded IPv6 address.