diff --git a/homeassistant/components/mqtt/config_flow.py b/homeassistant/components/mqtt/config_flow.py
index a7bd8e33670a..45cf18ab6523 100644
--- a/homeassistant/components/mqtt/config_flow.py
+++ b/homeassistant/components/mqtt/config_flow.py
@@ -91,6 +91,7 @@ from homeassistant.const import (
     CONF_MODE,
     CONF_NAME,
     CONF_OPTIMISTIC,
+    CONF_OPTIONS,
     CONF_PASSWORD,
     CONF_PAYLOAD,
     CONF_PAYLOAD_OFF,
@@ -235,7 +236,6 @@ from .const import (
     CONF_MODE_STATE_TOPIC,
     CONF_OFF_DELAY,
     CONF_ON_COMMAND_TYPE,
-    CONF_OPTIONS,
     CONF_OSCILLATION_COMMAND_TEMPLATE,
     CONF_OSCILLATION_COMMAND_TOPIC,
     CONF_OSCILLATION_STATE_TOPIC,
diff --git a/homeassistant/components/mqtt/const.py b/homeassistant/components/mqtt/const.py
index 98cb304392b6..76ab70a95e04 100644
--- a/homeassistant/components/mqtt/const.py
+++ b/homeassistant/components/mqtt/const.py
@@ -15,8 +15,6 @@ ATTR_MESSAGE_EXPIRY_INTERVAL = "message_expiry_interval"
 ATTR_PAYLOAD = "payload"
 ATTR_QOS = "qos"
 ATTR_RETAIN = "retain"
-# pylint: disable-next=home-assistant-duplicate-const
-ATTR_SERIAL_NUMBER = "serial_number"
 ATTR_TOPIC = "topic"
 
 AVAILABILITY_ALL = "all"
@@ -51,8 +49,6 @@ CONF_IMAGE_TOPIC = "image_topic"
 CONF_JSON_ATTRS_TOPIC = "json_attributes_topic"
 CONF_JSON_ATTRS_TEMPLATE = "json_attributes_template"
 CONF_KEEPALIVE = "keepalive"
-# pylint: disable-next=home-assistant-duplicate-const
-CONF_OPTIONS = "options"
 CONF_ORIGIN = "origin"
 CONF_QOS = ATTR_QOS
 CONF_RETAIN = ATTR_RETAIN
diff --git a/homeassistant/components/mqtt/humidifier.py b/homeassistant/components/mqtt/humidifier.py
index 003aef0f1c42..952f8cad3e30 100644
--- a/homeassistant/components/mqtt/humidifier.py
+++ b/homeassistant/components/mqtt/humidifier.py
@@ -21,6 +21,7 @@ from homeassistant.components.humidifier import (
 )
 from homeassistant.config_entries import ConfigEntry
 from homeassistant.const import (
+    CONF_DEVICE_CLASS,
     CONF_NAME,
     CONF_OPTIMISTIC,
     CONF_PAYLOAD_OFF,
@@ -60,8 +61,6 @@ from .util import valid_publish_topic, valid_subscribe_topic
 PARALLEL_UPDATES = 0
 
 CONF_AVAILABLE_MODES_LIST = "modes"
-# pylint: disable-next=home-assistant-duplicate-const
-CONF_DEVICE_CLASS = "device_class"
 CONF_MODE_COMMAND_TEMPLATE = "mode_command_template"
 CONF_MODE_COMMAND_TOPIC = "mode_command_topic"
 CONF_MODE_STATE_TOPIC = "mode_state_topic"
diff --git a/homeassistant/components/mqtt/select.py b/homeassistant/components/mqtt/select.py
index f65181dcee07..bc7c2ba71d63 100644
--- a/homeassistant/components/mqtt/select.py
+++ b/homeassistant/components/mqtt/select.py
@@ -8,7 +8,12 @@ import voluptuous as vol
 from homeassistant.components import select
 from homeassistant.components.select import SelectEntity
 from homeassistant.config_entries import ConfigEntry
-from homeassistant.const import CONF_NAME, CONF_OPTIMISTIC, CONF_VALUE_TEMPLATE
+from homeassistant.const import (
+    CONF_NAME,
+    CONF_OPTIMISTIC,
+    CONF_OPTIONS,
+    CONF_VALUE_TEMPLATE,
+)
 from homeassistant.core import HomeAssistant, callback
 from homeassistant.helpers import config_validation as cv
 from homeassistant.helpers.entity_platform import AddConfigEntryEntitiesCallback
@@ -18,12 +23,7 @@ from homeassistant.helpers.typing import ConfigType, VolSchemaType
 
 from . import subscription
 from .config import MQTT_RW_SCHEMA
-from .const import (
-    CONF_COMMAND_TEMPLATE,
-    CONF_COMMAND_TOPIC,
-    CONF_OPTIONS,
-    CONF_STATE_TOPIC,
-)
+from .const import CONF_COMMAND_TEMPLATE, CONF_COMMAND_TOPIC, CONF_STATE_TOPIC
 from .entity import MqttEntity, async_setup_entity_entry_helper
 from .models import (
     MqttCommandTemplate,
diff --git a/homeassistant/components/mqtt/sensor.py b/homeassistant/components/mqtt/sensor.py
index 7e1e2f1b8762..cb75d2e2ca20 100644
--- a/homeassistant/components/mqtt/sensor.py
+++ b/homeassistant/components/mqtt/sensor.py
@@ -25,6 +25,7 @@ from homeassistant.const import (
     CONF_DEVICE_CLASS,
     CONF_FORCE_UPDATE,
     CONF_NAME,
+    CONF_OPTIONS,
     CONF_UNIT_OF_MEASUREMENT,
     CONF_VALUE_TEMPLATE,
     STATE_UNAVAILABLE,
@@ -43,7 +44,6 @@ from .config import MQTT_RO_SCHEMA
 from .const import (
     CONF_EXPIRE_AFTER,
     CONF_LAST_RESET_VALUE_TEMPLATE,
-    CONF_OPTIONS,
     CONF_STATE_TOPIC,
     CONF_SUGGESTED_DISPLAY_PRECISION,
     PAYLOAD_NONE,
diff --git a/homeassistant/components/mqtt/vacuum.py b/homeassistant/components/mqtt/vacuum.py
index f24150a647ab..9501754455bf 100644
--- a/homeassistant/components/mqtt/vacuum.py
+++ b/homeassistant/components/mqtt/vacuum.py
@@ -14,7 +14,13 @@ from homeassistant.components.vacuum import (
     VacuumEntityFeature,
 )
 from homeassistant.config_entries import ConfigEntry
-from homeassistant.const import ATTR_SUPPORTED_FEATURES, CONF_NAME, CONF_UNIQUE_ID
+from homeassistant.const import (
+    ATTR_SUPPORTED_FEATURES,
+    CONF_NAME,
+    CONF_UNIQUE_ID,
+    STATE_IDLE,
+    STATE_PAUSED,
+)
 from homeassistant.core import HomeAssistant, callback
 from homeassistant.helpers import config_validation as cv
 from homeassistant.helpers.entity_platform import AddConfigEntryEntitiesCallback
@@ -36,12 +42,8 @@ FAN_SPEED = "fan_speed"
 SEGMENTS = "segments"
 STATE = "state"
 
-# pylint: disable-next=home-assistant-duplicate-const
-STATE_IDLE = "idle"
 STATE_DOCKED = "docked"
 STATE_ERROR = "error"
-# pylint: disable-next=home-assistant-duplicate-const
-STATE_PAUSED = "paused"
 STATE_RETURNING = "returning"
 STATE_CLEANING = "cleaning"