diff --git a/libp2p/security/typing.py b/libp2p/security/typing.py
deleted file mode 100644
index b34a4da2..00000000
--- a/libp2p/security/typing.py
+++ /dev/null
@@ -1,3 +0,0 @@
-from typing import Dict, NewType
-
-TSecurityDetails = NewType("TSecurityDetails", Dict[str, str])