diff --git a/esphome/components/dsmr/sensor.py b/esphome/components/dsmr/sensor.py
index bb4722655c..0b0439baa4 100644
--- a/esphome/components/dsmr/sensor.py
+++ b/esphome/components/dsmr/sensor.py
@@ -143,37 +143,37 @@ CONFIG_SCHEMA = cv.Schema(
         cv.Optional("power_delivered_l1"): sensor.sensor_schema(
             unit_of_measurement=UNIT_KILOWATT,
             accuracy_decimals=3,
-            device_class=DEVICE_CLASS_CURRENT,
+            device_class=DEVICE_CLASS_POWER,
             state_class=STATE_CLASS_MEASUREMENT,
         ),
         cv.Optional("power_delivered_l2"): sensor.sensor_schema(
             unit_of_measurement=UNIT_KILOWATT,
             accuracy_decimals=3,
-            device_class=DEVICE_CLASS_CURRENT,
+            device_class=DEVICE_CLASS_POWER,
             state_class=STATE_CLASS_MEASUREMENT,
         ),
         cv.Optional("power_delivered_l3"): sensor.sensor_schema(
             unit_of_measurement=UNIT_KILOWATT,
             accuracy_decimals=3,
-            device_class=DEVICE_CLASS_CURRENT,
+            device_class=DEVICE_CLASS_POWER,
             state_class=STATE_CLASS_MEASUREMENT,
         ),
         cv.Optional("power_returned_l1"): sensor.sensor_schema(
             unit_of_measurement=UNIT_KILOWATT,
             accuracy_decimals=3,
-            device_class=DEVICE_CLASS_CURRENT,
+            device_class=DEVICE_CLASS_POWER,
             state_class=STATE_CLASS_MEASUREMENT,
         ),
         cv.Optional("power_returned_l2"): sensor.sensor_schema(
             unit_of_measurement=UNIT_KILOWATT,
             accuracy_decimals=3,
-            device_class=DEVICE_CLASS_CURRENT,
+            device_class=DEVICE_CLASS_POWER,
             state_class=STATE_CLASS_MEASUREMENT,
         ),
         cv.Optional("power_returned_l3"): sensor.sensor_schema(
             unit_of_measurement=UNIT_KILOWATT,
             accuracy_decimals=3,
-            device_class=DEVICE_CLASS_CURRENT,
+            device_class=DEVICE_CLASS_POWER,
             state_class=STATE_CLASS_MEASUREMENT,
         ),
         cv.Optional("reactive_power_delivered_l1"): sensor.sensor_schema(
diff --git a/esphome/components/shelly_dimmer/LICENSE.txt b/esphome/components/shelly_dimmer/LICENSE.txt
deleted file mode 100644
index 524fe0d514..0000000000
--- a/esphome/components/shelly_dimmer/LICENSE.txt
+++ /dev/null
@@ -1,2 +0,0 @@
-The firmware files for the STM microcontroller (shelly-dimmer-stm32_*.bin) are taken from
-https://github.com/jamesturton/shelly-dimmer-stm32 and GPLv3 licensed.
diff --git a/esphome/const.py b/esphome/const.py
index 04fa5c2bf7..bca64e8175 100644
--- a/esphome/const.py
+++ b/esphome/const.py
@@ -1,6 +1,6 @@
 """Constants used by esphome."""
 
-__version__ = "2022.4.0b2"
+__version__ = "2022.4.0b3"
 
 ALLOWED_NAME_CHARS = "abcdefghijklmnopqrstuvwxyz0123456789-_"