diff --git a/homeassistant/components/sensor/miflora.py b/homeassistant/components/sensor/miflora.py
index 155808f702f..1922d4832ee 100644
--- a/homeassistant/components/sensor/miflora.py
+++ b/homeassistant/components/sensor/miflora.py
@@ -4,7 +4,6 @@ Support for Xiaomi Mi Flora BLE plant sensor.
 For more details about this platform, please refer to the documentation at
 https://home-assistant.io/components/sensor.miflora/
 """
-from datetime import timedelta
 import logging
 
 import voluptuous as vol