diff --git a/homeassistant/components/rainmachine/sensor.py b/homeassistant/components/rainmachine/sensor.py
index 6333dcc82f4..bdae62c1bd8 100644
--- a/homeassistant/components/rainmachine/sensor.py
+++ b/homeassistant/components/rainmachine/sensor.py
@@ -141,7 +141,6 @@ SENSOR_DESCRIPTIONS = (
         entity_category=EntityCategory.DIAGNOSTIC,
         entity_registry_enabled_default=False,
         device_class=SensorDeviceClass.TIMESTAMP,
-        state_class=SensorStateClass.MEASUREMENT,
         api_category=DATA_PROVISION_SETTINGS,
         data_key="lastLeakDetected",
     ),
@@ -152,7 +151,6 @@ SENSOR_DESCRIPTIONS = (
         entity_category=EntityCategory.DIAGNOSTIC,
         entity_registry_enabled_default=False,
         device_class=SensorDeviceClass.TIMESTAMP,
-        state_class=SensorStateClass.MEASUREMENT,
         api_category=DATA_PROVISION_SETTINGS,
         data_key="rainSensorRainStart",
     ),