diff --git a/royalnet/royaltyping/__init__.py b/royalnet/royaltyping/__init__.py
index 4372f887..554710dc 100644
--- a/royalnet/royaltyping/__init__.py
+++ b/royalnet/royaltyping/__init__.py
@@ -31,46 +31,3 @@ JSON = Union[
 A recursive JSON value: either a :data:`.JSONScalar`, or a :class:`list` of :data:`.JSON` objects, or a :class:`dict` 
 of :class:`str` to :data:`.JSON` mappings. 
 """
-
-Adventure = Generator[
-    Union[
-        Tuple[
-            Optional["Challenge"],
-            ...
-        ],
-        "Adventure",
-        "Challenge",
-        None,
-    ],
-    Any,
-    Any,
-]
-"""
-A generator yielding either:
-
-* a :class:`tuple` of a :class:`.Challenge` and extra data;
-* a single :class:`.Challenge`;for SQLAlchemy.
-* another :data:`.Adventure`;
-* :data:`None`. 
-"""
-
-AsyncAdventure = AsyncGenerator[
-    Union[
-        Tuple[
-            Optional["AsyncChallenge"],
-            ...
-        ],
-        "AsyncAdventure",
-        "AsyncChallenge",
-        None,
-    ],
-    Any,
-]
-"""
-An async generator yielding either:
-
-* a :class:`tuple` of an :class:`.AsyncChallenge` and extra data;
-* a single :class:`.AsyncChallenge`;
-* another :data:`.AsyncAdventure`;
-* :data:`None`. 
-"""