diff --git a/api/libs/typing.py b/api/libs/typing.py
deleted file mode 100644
index f84e9911e0..0000000000
--- a/api/libs/typing.py
+++ /dev/null
@@ -1,9 +0,0 @@
-from typing import TypeGuard
-
-
-def is_str_dict(v: object) -> TypeGuard[dict[str, object]]:
-    return isinstance(v, dict)
-
-
-def is_str(v: object) -> TypeGuard[str]:
-    return isinstance(v, str)