diff --git a/homeassistant/components/yale_smart_alarm/lock.py b/homeassistant/components/yale_smart_alarm/lock.py
index 243299658ed..7a93baf0827 100644
--- a/homeassistant/components/yale_smart_alarm/lock.py
+++ b/homeassistant/components/yale_smart_alarm/lock.py
@@ -9,7 +9,7 @@ from yalesmartalarmclient import YaleLock, YaleLockState
 from homeassistant.components.lock import LockEntity, LockState
 from homeassistant.const import ATTR_CODE
 from homeassistant.core import HomeAssistant
-from homeassistant.exceptions import HomeAssistantError, ServiceValidationError
+from homeassistant.exceptions import HomeAssistantError
 from homeassistant.helpers.entity_platform import AddEntitiesCallback
 
 from . import YaleConfigEntry
@@ -65,12 +65,6 @@ class YaleDoorlock(YaleLockEntity, LockEntity):
 
     async def async_set_lock(self, state: YaleLockState, code: str | None) -> None:
         """Set lock."""
-        if state is YaleLockState.UNLOCKED and not code:
-            raise ServiceValidationError(
-                translation_domain=DOMAIN,
-                translation_key="no_code",
-            )
-
         lock_state = False
         try:
             if state is YaleLockState.LOCKED:
diff --git a/homeassistant/components/yale_smart_alarm/strings.json b/homeassistant/components/yale_smart_alarm/strings.json
index 7f940e1139e..bd3ba0f0186 100644
--- a/homeassistant/components/yale_smart_alarm/strings.json
+++ b/homeassistant/components/yale_smart_alarm/strings.json
@@ -88,9 +88,6 @@
     "set_lock": {
       "message": "Could not set lock for {name}: {error}"
     },
-    "no_code": {
-      "message": "Can not unlock without code"
-    },
     "could_not_change_lock": {
       "message": "Could not set lock, check system ready for lock"
     },