diff --git a/esphome/components/combination/sensor.py b/esphome/components/combination/sensor.py
index ccc5a03964..34e9b99ce8 100644
--- a/esphome/components/combination/sensor.py
+++ b/esphome/components/combination/sensor.py
@@ -203,6 +203,5 @@ async def to_code(config: ConfigType) -> None:
         else:
             cg.add(var.add_source(source))
 
-    if CONF_STD_DEV in config:
-        sens = await sensor.new_sensor(config[CONF_STD_DEV])
-        cg.add(var.set_std_dev_sensor(sens))
+    sensors = sensor.sub_sensors(config)
+    await sensors(CONF_STD_DEV, var.set_std_dev_sensor)
diff --git a/esphome/components/libretiny/text_sensor.py b/esphome/components/libretiny/text_sensor.py
index c1012774c8..18b412c460 100644
--- a/esphome/components/libretiny/text_sensor.py
+++ b/esphome/components/libretiny/text_sensor.py
@@ -25,8 +25,7 @@ CONFIG_SCHEMA = cv.Schema(
 
 
 async def to_code(config):
-    lt_component = await cg.get_variable(config[CONF_LIBRETINY])
+    hub = await cg.get_variable(config[CONF_LIBRETINY])
 
-    if CONF_VERSION in config:
-        sens = await text_sensor.new_text_sensor(config[CONF_VERSION])
-        cg.add(lt_component.set_version_sensor(sens))
+    text_sensors = text_sensor.sub_text_sensors(config)
+    await text_sensors(CONF_VERSION, hub.set_version_sensor)
diff --git a/esphome/components/sound_level/sensor.py b/esphome/components/sound_level/sensor.py
index a28e91dfd5..c8e31226ef 100644
--- a/esphome/components/sound_level/sensor.py
+++ b/esphome/components/sound_level/sensor.py
@@ -73,12 +73,9 @@ async def to_code(config: ConfigType) -> None:
 
     cg.add(var.set_measurement_duration(config[CONF_MEASUREMENT_DURATION]))
 
-    if peak_config := config.get(CONF_PEAK):
-        sens = await sensor.new_sensor(peak_config)
-        cg.add(var.set_peak_sensor(sens))
-    if rms_config := config.get(CONF_RMS):
-        sens = await sensor.new_sensor(rms_config)
-        cg.add(var.set_rms_sensor(sens))
+    sensors = sensor.sub_sensors(config)
+    await sensors(CONF_PEAK, var.set_peak_sensor)
+    await sensors(CONF_RMS, var.set_rms_sensor)
 
 
 SOUND_LEVEL_ACTION_SCHEMA = automation.maybe_simple_id(