diff --git a/rwx/sw/freetube/artists.py b/rwx/sw/freetube/artists.py
index 269c607..2981245 100644
--- a/rwx/sw/freetube/artists.py
+++ b/rwx/sw/freetube/artists.py
@@ -1,12 +1,7 @@
 """FreeTube artists."""
 
-from typing import TYPE_CHECKING
-
 from rwx import Object
 
-if TYPE_CHECKING:
-    from .playlists import Playlist
-
 
 class Artist(Object):
     """FreeTube artist."""
@@ -21,4 +16,3 @@ class Artist(Object):
         """
         self.uid = uid
         self.name = name
-        self.playlist: Playlist
diff --git a/rwx/sw/freetube/languages.py b/rwx/sw/freetube/languages.py
deleted file mode 100644
index beeb173..0000000
--- a/rwx/sw/freetube/languages.py
+++ /dev/null
@@ -1,24 +0,0 @@
-"""FreeTube languages."""
-
-from typing import TYPE_CHECKING
-
-from rwx import Object
-
-if TYPE_CHECKING:
-    from .playlists import Playlist
-
-
-class Language(Object):
-    """FreeTube language."""
-
-    def __init__(self, uid: str, name: str) -> None:
-        """Set uid & name.
-
-        :param uid: identifier
-        :type uid: str
-        :param name: label
-        :type name: str
-        """
-        self.uid = uid
-        self.name = name
-        self.playlist: Playlist