diff --git a/homeassistant/components/denonavr/config_flow.py b/homeassistant/components/denonavr/config_flow.py
index 2a6669f5606..e93fba09a9d 100644
--- a/homeassistant/components/denonavr/config_flow.py
+++ b/homeassistant/components/denonavr/config_flow.py
@@ -106,7 +106,6 @@ class DenonAvrFlowHandler(config_entries.ConfigFlow, domain=DOMAIN):
         self.show_all_sources = DEFAULT_SHOW_SOURCES
         self.zone2 = DEFAULT_ZONE2
         self.zone3 = DEFAULT_ZONE3
-        self.use_telnet = DEFAULT_USE_TELNET_NEW_INSTALL
         self.d_receivers: list[dict[str, Any]] = []
 
     @staticmethod
diff --git a/homeassistant/components/denonavr/media_player.py b/homeassistant/components/denonavr/media_player.py
index 1d153077cdf..5e636c5cfae 100644
--- a/homeassistant/components/denonavr/media_player.py
+++ b/homeassistant/components/denonavr/media_player.py
@@ -247,8 +247,6 @@ class DenonDevice(MediaPlayerEntity):
             and MediaPlayerEntityFeature.SELECT_SOUND_MODE
         )
 
-        self._receiver.register_callback("ALL", self._telnet_callback)
-
         self._telnet_was_healthy: bool | None = None
 
     async def _telnet_callback(self, zone, event, parameter):
@@ -258,6 +256,10 @@ class DenonDevice(MediaPlayerEntity):
 
         self.async_write_ha_state()
 
+    async def async_added_to_hass(self) -> None:
+        """Register for telnet events."""
+        self._receiver.register_callback("ALL", self._telnet_callback)
+
     async def async_will_remove_from_hass(self) -> None:
         """Clean up the entity."""
         self._receiver.unregister_callback("ALL", self._telnet_callback)