diff --git a/homeassistant/components/climate/__init__.py b/homeassistant/components/climate/__init__.py
index a77aeb84492..818caaaa78d 100644
--- a/homeassistant/components/climate/__init__.py
+++ b/homeassistant/components/climate/__init__.py
@@ -463,11 +463,11 @@ class ClimateEntity(Entity):
         """Set new target fan mode."""
         await self.hass.async_add_executor_job(self.set_fan_mode, fan_mode)
 
-    def set_hvac_mode(self, hvac_mode: HVACMode | str) -> None:
+    def set_hvac_mode(self, hvac_mode: HVACMode) -> None:
         """Set new target hvac mode."""
         raise NotImplementedError()
 
-    async def async_set_hvac_mode(self, hvac_mode: HVACMode | str) -> None:
+    async def async_set_hvac_mode(self, hvac_mode: HVACMode) -> None:
         """Set new target hvac mode."""
         await self.hass.async_add_executor_job(self.set_hvac_mode, hvac_mode)
 
diff --git a/homeassistant/components/geniushub/climate.py b/homeassistant/components/geniushub/climate.py
index e4f2ec6d535..429d51c0035 100644
--- a/homeassistant/components/geniushub/climate.py
+++ b/homeassistant/components/geniushub/climate.py
@@ -98,9 +98,7 @@ class GeniusClimateZone(GeniusHeatingZone, ClimateEntity):
             return [PRESET_ACTIVITY, PRESET_BOOST]
         return [PRESET_BOOST]
 
-    async def async_set_hvac_mode(  # type:ignore[override]
-        self, hvac_mode: HVACMode
-    ) -> None:
+    async def async_set_hvac_mode(self, hvac_mode: HVACMode) -> None:
         """Set a new hvac mode."""
         await self._zone.set_mode(HA_HVAC_TO_GH.get(hvac_mode))