diff --git a/homeassistant/components/mobile_app/websocket_api.py b/homeassistant/components/mobile_app/websocket_api.py
index 83c3cb29cea..e862e4c8bd5 100644
--- a/homeassistant/components/mobile_app/websocket_api.py
+++ b/homeassistant/components/mobile_app/websocket_api.py
@@ -112,9 +112,6 @@ async def handle_push_notification_channel(
         if registered_channels.get(webhook_id) == channel:
             registered_channels.pop(webhook_id)
 
-        # Remove subscription from connection if still exists
-        connection.subscriptions.pop(msg["id"], None)
-
     channel = registered_channels[webhook_id] = PushChannel(
         hass,
         webhook_id,