diff --git a/beets/plugins.py b/beets/plugins.py
index b5c3d421b..0c7bae234 100644
--- a/beets/plugins.py
+++ b/beets/plugins.py
@@ -151,9 +151,9 @@ class BeetsPlugin(metaclass=abc.ABCMeta):
         list
     )
     listeners: ClassVar[dict[EventType, list[Listener]]] = defaultdict(list)
-    template_funcs: ClassVar[TFuncMap[str]] = {}
-    template_fields: ClassVar[TFuncMap[Item]] = {}
-    album_template_fields: ClassVar[TFuncMap[Album]] = {}
+    template_funcs: ClassVar[TFuncMap[str]] | TFuncMap[str] = {}  # type: ignore[valid-type]
+    template_fields: ClassVar[TFuncMap[Item]] | TFuncMap[Item] = {}  # type: ignore[valid-type]
+    album_template_fields: ClassVar[TFuncMap[Album]] | TFuncMap[Album] = {}  # type: ignore[valid-type]
 
     name: str
     config: ConfigView
@@ -219,14 +219,14 @@ class BeetsPlugin(metaclass=abc.ABCMeta):
         self.name = name or self.__module__.split(".")[-1]
         self.config = beets.config[self.name]
 
-        # Set class attributes if they are not already set
-        # for the type of plugin.
+        # If the class attributes are not set, initialize as instance attributes.
+        # TODO: Revise with v3.0.0, see also type: ignore[valid-type] above
         if not self.template_funcs:
-            self.template_funcs = {}  # type: ignore[misc]
+            self.template_funcs = {}
         if not self.template_fields:
-            self.template_fields = {}  # type: ignore[misc]
+            self.template_fields = {}
         if not self.album_template_fields:
-            self.album_template_fields = {}  # type: ignore[misc]
+            self.album_template_fields = {}
 
         self.early_import_stages = []
         self.import_stages = []