diff --git a/src/eduid/webapp/common/wsgi.py b/src/eduid/webapp/common/wsgi.py
deleted file mode 100644
index 91e1de5f7..000000000
--- a/src/eduid/webapp/common/wsgi.py
+++ /dev/null
@@ -1,15 +0,0 @@
-from collections.abc import Callable
-from types import TracebackType
-from typing import Any, Protocol, TypeAlias
-
-ExcInfo: TypeAlias = tuple[type[BaseException], BaseException, TracebackType]
-OptExcInfo: TypeAlias = ExcInfo | tuple[None, None, None]
-
-
-class StartResponse(Protocol):
-    def __call__(
-        self, status: str, headers: list[tuple[str, str]], exc_info: OptExcInfo | None = ..., /
-    ) -> Callable[[bytes], object]: ...
-
-
-WSGIEnvironment: TypeAlias = dict[str, Any]  # stable