diff --git a/homeassistant/components/deconz/scene.py b/homeassistant/components/deconz/scene.py
index 3d8e1aa27ba..9fcccc52386 100644
--- a/homeassistant/components/deconz/scene.py
+++ b/homeassistant/components/deconz/scene.py
@@ -7,7 +7,7 @@ from typing import Any
 
 from pydeconz.group import DeconzScene as PydeconzScene
 
-from homeassistant.components.scene import Scene
+from homeassistant.components.scene import DOMAIN, Scene
 from homeassistant.config_entries import ConfigEntry
 from homeassistant.core import HomeAssistant, callback
 from homeassistant.helpers.dispatcher import async_dispatcher_connect
@@ -23,6 +23,7 @@ async def async_setup_entry(
 ) -> None:
     """Set up scenes for deCONZ component."""
     gateway = get_gateway_from_config_entry(hass, config_entry)
+    gateway.entities[DOMAIN] = set()
 
     @callback
     def async_add_scene(
@@ -30,7 +31,11 @@ async def async_setup_entry(
         | ValuesView[PydeconzScene] = gateway.api.scenes.values(),
     ) -> None:
         """Add scene from deCONZ."""
-        entities = [DeconzScene(scene, gateway) for scene in scenes]
+        entities = [
+            DeconzScene(scene, gateway)
+            for scene in scenes
+            if scene.deconz_id not in gateway.entities[DOMAIN]
+        ]
 
         if entities:
             async_add_entities(entities)
@@ -59,10 +64,12 @@ class DeconzScene(Scene):
     async def async_added_to_hass(self) -> None:
         """Subscribe to sensors events."""
         self.gateway.deconz_ids[self.entity_id] = self._scene.deconz_id
+        self.gateway.entities[DOMAIN].add(self._scene.deconz_id)
 
     async def async_will_remove_from_hass(self) -> None:
         """Disconnect scene object when removed."""
         del self.gateway.deconz_ids[self.entity_id]
+        self.gateway.entities[DOMAIN].remove(self._scene.deconz_id)
         self._scene = None
 
     async def async_activate(self, **kwargs: Any) -> None:
diff --git a/tests/components/deconz/test_diagnostics.py b/tests/components/deconz/test_diagnostics.py
index 7d351a333cf..17da9f1141a 100644
--- a/tests/components/deconz/test_diagnostics.py
+++ b/tests/components/deconz/test_diagnostics.py
@@ -55,6 +55,7 @@ async def test_entry_diagnostics(
             str(Platform.LIGHT): [],
             str(Platform.LOCK): [],
             str(Platform.NUMBER): [],
+            str(Platform.SCENE): [],
             str(Platform.SENSOR): [],
             str(Platform.SIREN): [],
             str(Platform.SWITCH): [],
diff --git a/tests/components/deconz/test_scene.py b/tests/components/deconz/test_scene.py
index 189eb1e6eb7..e6f74cd0529 100644
--- a/tests/components/deconz/test_scene.py
+++ b/tests/components/deconz/test_scene.py
@@ -2,8 +2,10 @@
 
 from unittest.mock import patch
 
+from homeassistant.components.deconz.gateway import get_gateway_from_config_entry
 from homeassistant.components.scene import DOMAIN as SCENE_DOMAIN, SERVICE_TURN_ON
 from homeassistant.const import ATTR_ENTITY_ID
+from homeassistant.helpers.dispatcher import async_dispatcher_send
 
 from .test_gateway import (
     DECONZ_WEB_REQUEST,
@@ -58,3 +60,30 @@ async def test_scenes(hass, aioclient_mock):
     await hass.config_entries.async_unload(config_entry.entry_id)
 
     assert len(hass.states.async_all()) == 0
+
+
+async def test_only_new_scenes_are_created(hass, aioclient_mock):
+    """Test that scenes works."""
+    data = {
+        "groups": {
+            "1": {
+                "id": "Light group id",
+                "name": "Light group",
+                "type": "LightGroup",
+                "state": {"all_on": False, "any_on": True},
+                "action": {},
+                "scenes": [{"id": "1", "name": "Scene"}],
+                "lights": [],
+            }
+        }
+    }
+    with patch.dict(DECONZ_WEB_REQUEST, data):
+        config_entry = await setup_deconz_integration(hass, aioclient_mock)
+
+    assert len(hass.states.async_all()) == 1
+
+    gateway = get_gateway_from_config_entry(hass, config_entry)
+    async_dispatcher_send(hass, gateway.signal_new_scene)
+    await hass.async_block_till_done()
+
+    assert len(hass.states.async_all()) == 1