diff --git a/homeassistant/components/device_automation/__init__.py b/homeassistant/components/device_automation/__init__.py
index 5ce628b917..73f28c5465 100644
--- a/homeassistant/components/device_automation/__init__.py
+++ b/homeassistant/components/device_automation/__init__.py
@@ -52,6 +52,7 @@ DEVICE_TRIGGER_BASE_SCHEMA = cv.TRIGGER_BASE_SCHEMA.extend(
         vol.Required(CONF_PLATFORM): "device",
         vol.Required(CONF_DOMAIN): str,
         vol.Required(CONF_DEVICE_ID): str,
+        vol.Remove("metadata"): dict,
     }
 )
 
diff --git a/homeassistant/helpers/config_validation.py b/homeassistant/helpers/config_validation.py
index b8c42a60b5..bbf8475c53 100644
--- a/homeassistant/helpers/config_validation.py
+++ b/homeassistant/helpers/config_validation.py
@@ -1334,6 +1334,7 @@ DEVICE_CONDITION_BASE_SCHEMA = vol.Schema(
         vol.Required(CONF_CONDITION): "device",
         vol.Required(CONF_DEVICE_ID): str,
         vol.Required(CONF_DOMAIN): str,
+        vol.Remove("metadata"): dict,
     }
 )