diff --git a/hexbytes/main.py b/hexbytes/main.py
index ca24783..e9c9465 100644
--- a/hexbytes/main.py
+++ b/hexbytes/main.py
@@ -4,7 +4,6 @@
     Tuple,
     Type,
     Union,
-    cast,
     overload,
 )
 
@@ -31,9 +30,9 @@ class HexBytes(bytes):
         3. ``to_0x_hex`` returns a 0x-prefixed hex string
     """
 
-    def __new__(cls: Type[bytes], val: BytesLike) -> "HexBytes":
+    def __new__(cls, val: BytesLike) -> "HexBytes":
         bytesval = to_bytes(val)
-        return cast(HexBytes, super().__new__(cls, bytesval))  # type: ignore  # https://github.com/python/typeshed/issues/2630  # noqa: E501
+        return super().__new__(cls, bytesval)
 
     @overload
     def __getitem__(self, key: "SupportsIndex") -> int:  # noqa: F811
diff --git a/newsfragments/55.performance.rst b/newsfragments/55.performance.rst
new file mode 100644
index 0000000..ce90e26
--- /dev/null
+++ b/newsfragments/55.performance.rst
@@ -0,0 +1 @@
+remove redundant cast in __new__