diff --git a/mesonbuild/interpreter/type_checking.py b/mesonbuild/interpreter/type_checking.py
index 2ec7d58ce..1256495d1 100644
--- a/mesonbuild/interpreter/type_checking.py
+++ b/mesonbuild/interpreter/type_checking.py
@@ -285,7 +285,6 @@ DEPEND_FILES_KW: KwargInfo[T.List[T.Union[str, File]]] = KwargInfo(
 
 COMMAND_KW: KwargInfo[T.List[T.Union[str, BuildTarget, CustomTarget, CustomTargetIndex, ExternalProgram, File]]] = KwargInfo(
     'command',
-    # TODO: should accept CustomTargetIndex as well?
     ContainerTypeInfo(list, (str, BuildTarget, CustomTarget, CustomTargetIndex, ExternalProgram, File), allow_empty=False),
     required=True,
     listify=True,