diff --git a/src/pip/_internal/operations/freeze.py b/src/pip/_internal/operations/freeze.py
index a815d5136b4..be484f47db8 100644
--- a/src/pip/_internal/operations/freeze.py
+++ b/src/pip/_internal/operations/freeze.py
@@ -170,15 +170,7 @@ def _get_editable_info(dist: BaseDistribution) -> _EditableInfo:
     if not dist.editable:
         return _EditableInfo(requirement=None, editable=False, comments=[])
     editable_project_location = dist.editable_project_location
-    if editable_project_location is None:
-        display = _format_as_name_version(dist)
-        logger.warning("Editable requirement not found on disk: %s", display)
-        return _EditableInfo(
-            requirement=None,
-            editable=True,
-            comments=[f"# Editable install not found ({display})"],
-        )
-
+    assert editable_project_location
     location = os.path.normcase(os.path.abspath(editable_project_location))
 
     from pip._internal.vcs import RemoteNotFoundError, RemoteNotValidError, vcs