diff --git a/core/ui/ipc_client.py b/core/ui/ipc_client.py
index 58008dcc..53eff7ab 100644
--- a/core/ui/ipc_client.py
+++ b/core/ui/ipc_client.py
@@ -198,15 +198,12 @@ class IPCClientUI(UIBase):
 
     async def send_key_expired(self, message: Optional[str] = None):
         await self._send(MessageType.KEY_EXPIRED)
-        await self.writer.drain()
 
     async def send_app_finished(self):
         await self._send(MessageType.APP_FINISHED)
-        await self.writer.drain()
 
     async def send_feature_finished(self):
         await self._send(MessageType.FEATURE_FINISHED)
-        await self.writer.drain()
 
     async def ask_question(
         self,
diff --git a/core/ui/virtual.py b/core/ui/virtual.py
index 9ab54808..1d3f51b1 100644
--- a/core/ui/virtual.py
+++ b/core/ui/virtual.py
@@ -37,6 +37,12 @@ class VirtualUI(UIBase):
     async def send_key_expired(self, message: Optional[str]):
         pass
 
+    async def send_app_finished(self):
+        pass
+
+    async def send_feature_finished(self):
+        pass
+
     async def ask_question(
         self,
         question: str,