diff --git a/rplugin/python3/denite/parent.py b/rplugin/python3/denite/parent.py
index 5e9b32c71..753f50bcc 100644
--- a/rplugin/python3/denite/parent.py
+++ b/rplugin/python3/denite/parent.py
@@ -4,7 +4,6 @@
 # License: MIT license
 # ============================================================================
 
-import asyncio
 import time
 import os
 import msgpack
diff --git a/rplugin/python3/denite/ui/default.py b/rplugin/python3/denite/ui/default.py
index f8434fd5c..62d1afd5d 100644
--- a/rplugin/python3/denite/ui/default.py
+++ b/rplugin/python3/denite/ui/default.py
@@ -13,7 +13,7 @@
     clear_cmdline, echo, error, regex_convert_py_vim, clearmatch)
 from .action import DEFAULT_ACTION_KEYMAP
 from .prompt import DenitePrompt
-from denite.parent import ASyncParent, SyncParent
+from denite.parent import SyncParent
 from ..prompt.prompt import STATUS_ACCEPT, STATUS_INTERRUPT