diff --git a/data_structures/hashing/hash_map.py b/data_structures/hashing/hash_map.py
index 0d99e578b73e..28aac296288f 100644
--- a/data_structures/hashing/hash_map.py
+++ b/data_structures/hashing/hash_map.py
@@ -10,10 +10,6 @@
 
 from collections.abc import Iterator, MutableMapping
 from dataclasses import dataclass
-from typing import TypeVar
-
-KEY = TypeVar("KEY")
-VAL = TypeVar("VAL")
 
 
 @dataclass(slots=True)
@@ -33,7 +29,7 @@ def __bool__(self) -> bool:
 _deleted = _DeletedItem()
 
 
-class HashMap(MutableMapping[KEY, VAL]):
+class HashMap[KEY, VAL](MutableMapping[KEY, VAL]):
     """
     Hash map with open addressing.
     """