diff --git a/b_asic/port.py b/b_asic/port.py
index e8c007cbf077f9f40df0d53fc08001e6436f0093..59a218d9f8aa288d0aacb9dea15ca2cf0a604355 100644
--- a/b_asic/port.py
+++ b/b_asic/port.py
@@ -5,7 +5,7 @@ TODO: More info.
 
 from abc import ABC, abstractmethod
 from copy import copy
-from typing import NewType, Optional, List, Iterable, TYPE_CHECKING
+from typing import Optional, List, Iterable, TYPE_CHECKING
 
 from b_asic.signal import Signal
 from b_asic.graph_component import Name