diff --git a/homeassistant/components/mqtt/discovery.py b/homeassistant/components/mqtt/discovery.py
index b6104a570d4..3accb7c8ade 100644
--- a/homeassistant/components/mqtt/discovery.py
+++ b/homeassistant/components/mqtt/discovery.py
@@ -198,7 +198,7 @@ async def async_start(  # noqa: C901
         if discovery_hash in mqtt_data.discovery_pending_discovered:
             pending = mqtt_data.discovery_pending_discovered[discovery_hash]["pending"]
             pending.appendleft(discovery_payload)
-            _LOGGER.info(
+            _LOGGER.debug(
                 "Component has already been discovered: %s %s, queuing update",
                 component,
                 discovery_id,
diff --git a/homeassistant/components/mqtt/mixins.py b/homeassistant/components/mqtt/mixins.py
index 1487053bbda..51d7ca401ca 100644
--- a/homeassistant/components/mqtt/mixins.py
+++ b/homeassistant/components/mqtt/mixins.py
@@ -855,7 +855,7 @@ class MqttDiscoveryUpdate(Entity):
 
         async def discovery_callback(payload: MQTTDiscoveryPayload) -> None:
             """Handle discovery update."""
-            _LOGGER.info(
+            _LOGGER.debug(
                 "Got update for entity with hash: %s '%s'",
                 discovery_hash,
                 payload,
@@ -876,7 +876,7 @@ class MqttDiscoveryUpdate(Entity):
                     await self._discovery_update(payload)
                 else:
                     # Non-empty, unchanged payload: Ignore to avoid changing states
-                    _LOGGER.info("Ignoring unchanged update for: %s", self.entity_id)
+                    _LOGGER.debug("Ignoring unchanged update for: %s", self.entity_id)
             send_discovery_done(self.hass, self._discovery_data)
 
         if discovery_hash: