diff --git a/homeassistant/components/mqtt/light/schema_basic.py b/homeassistant/components/mqtt/light/schema_basic.py
index b56c06a43e0..8ad553ddd74 100644
--- a/homeassistant/components/mqtt/light/schema_basic.py
+++ b/homeassistant/components/mqtt/light/schema_basic.py
@@ -221,12 +221,22 @@ _PLATFORM_SCHEMA_BASE = (
 )
 
 PLATFORM_SCHEMA_BASIC = vol.All(
+    # CONF_WHITE_VALUE_* is deprecated, support will be removed in release 2022.9
+    cv.deprecated(CONF_WHITE_VALUE_COMMAND_TOPIC),
+    cv.deprecated(CONF_WHITE_VALUE_SCALE),
+    cv.deprecated(CONF_WHITE_VALUE_STATE_TOPIC),
+    cv.deprecated(CONF_WHITE_VALUE_TEMPLATE),
     _PLATFORM_SCHEMA_BASE,
 )
 
 DISCOVERY_SCHEMA_BASIC = vol.All(
     # CONF_VALUE_TEMPLATE is no longer supported, support was removed in 2022.2
     cv.removed(CONF_VALUE_TEMPLATE),
+    # CONF_WHITE_VALUE_* is deprecated, support will be removed in release 2022.9
+    cv.deprecated(CONF_WHITE_VALUE_COMMAND_TOPIC),
+    cv.deprecated(CONF_WHITE_VALUE_SCALE),
+    cv.deprecated(CONF_WHITE_VALUE_STATE_TOPIC),
+    cv.deprecated(CONF_WHITE_VALUE_TEMPLATE),
     _PLATFORM_SCHEMA_BASE.extend({}, extra=vol.REMOVE_EXTRA),
 )
 
diff --git a/homeassistant/components/mqtt/light/schema_json.py b/homeassistant/components/mqtt/light/schema_json.py
index 68cc7e8b36c..2433bdf1679 100644
--- a/homeassistant/components/mqtt/light/schema_json.py
+++ b/homeassistant/components/mqtt/light/schema_json.py
@@ -149,11 +149,15 @@ _PLATFORM_SCHEMA_BASE = (
 )
 
 PLATFORM_SCHEMA_JSON = vol.All(
+    # CONF_WHITE_VALUE is deprecated, support will be removed in release 2022.9
+    cv.deprecated(CONF_WHITE_VALUE),
     _PLATFORM_SCHEMA_BASE,
     valid_color_configuration,
 )
 
 DISCOVERY_SCHEMA_JSON = vol.All(
+    # CONF_WHITE_VALUE is deprecated, support will be removed in release 2022.9
+    cv.deprecated(CONF_WHITE_VALUE),
     _PLATFORM_SCHEMA_BASE.extend({}, extra=vol.REMOVE_EXTRA),
     valid_color_configuration,
 )
diff --git a/homeassistant/components/mqtt/light/schema_template.py b/homeassistant/components/mqtt/light/schema_template.py
index 4f25bde928d..b82474db2a3 100644
--- a/homeassistant/components/mqtt/light/schema_template.py
+++ b/homeassistant/components/mqtt/light/schema_template.py
@@ -68,7 +68,7 @@ CONF_MIN_MIREDS = "min_mireds"
 CONF_RED_TEMPLATE = "red_template"
 CONF_WHITE_VALUE_TEMPLATE = "white_value_template"
 
-PLATFORM_SCHEMA_TEMPLATE = (
+_PLATFORM_SCHEMA_BASE = (
     mqtt.MQTT_RW_PLATFORM_SCHEMA.extend(
         {
             vol.Optional(CONF_BLUE_TEMPLATE): cv.template,
@@ -92,7 +92,17 @@ PLATFORM_SCHEMA_TEMPLATE = (
     .extend(MQTT_LIGHT_SCHEMA_SCHEMA.schema)
 )
 
-DISCOVERY_SCHEMA_TEMPLATE = PLATFORM_SCHEMA_TEMPLATE.extend({}, extra=vol.REMOVE_EXTRA)
+PLATFORM_SCHEMA_TEMPLATE = vol.All(
+    # CONF_WHITE_VALUE_TEMPLATE is deprecated, support will be removed in release 2022.9
+    cv.deprecated(CONF_WHITE_VALUE_TEMPLATE),
+    _PLATFORM_SCHEMA_BASE,
+)
+
+DISCOVERY_SCHEMA_TEMPLATE = vol.All(
+    # CONF_WHITE_VALUE_TEMPLATE is deprecated, support will be removed in release 2022.9
+    cv.deprecated(CONF_WHITE_VALUE_TEMPLATE),
+    _PLATFORM_SCHEMA_BASE.extend({}, extra=vol.REMOVE_EXTRA),
+)
 
 
 async def async_setup_entity_template(