diff --git a/esphome/components/sts3x/sensor.py b/esphome/components/sts3x/sensor.py
index 7a1c30e747..2715bdae39 100644
--- a/esphome/components/sts3x/sensor.py
+++ b/esphome/components/sts3x/sensor.py
@@ -6,18 +6,16 @@ from esphome.const import CONF_ID, CONF_TEMPERATURE, ICON_THERMOMETER, UNIT_CELS
 DEPENDENCIES = ['i2c']
 
 sts3x_ns = cg.esphome_ns.namespace('sts3x')
-STS3XComponent = sts3x_ns.class_('STS3XComponent', cg.PollingComponent, i2c.I2CDevice)
 
-CONFIG_SCHEMA = cv.Schema({
+STS3XComponent = sts3x_ns.class_('STS3XComponent', sensor.Sensor, cg.PollingComponent, i2c.I2CDevice)
+
+CONFIG_SCHEMA = sensor.sensor_schema(CONF_TEMPERATURE, ICON_THERMOMETER, 1).extend({
     cv.GenerateID(): cv.declare_id(STS3XComponent),
-    cv.Required(CONF_TEMPERATURE): sensor.sensor_schema(UNIT_CELSIUS, ICON_THERMOMETER, 1),
 }).extend(cv.polling_component_schema('60s')).extend(i2c.i2c_device_schema(0x4A))
 
 
 def to_code(config):
     var = cg.new_Pvariable(config[CONF_ID])
     yield cg.register_component(var, config)
+    yield sensor.register_sensor(var, config)
     yield i2c.register_i2c_device(var, config)
-    sens = yield sensor.new_sensor(config[CONF_TEMPERATURE])
-
-    cg.add(var.set_temperature_sensor(sens))
diff --git a/esphome/components/sts3x/sts3x.cpp b/esphome/components/sts3x/sts3x.cpp
index 038b5e5445..88269010b4 100644
--- a/esphome/components/sts3x/sts3x.cpp
+++ b/esphome/components/sts3x/sts3x.cpp
@@ -38,7 +38,7 @@ void STS3XComponent::dump_config() {
   }
   LOG_UPDATE_INTERVAL(this);
 
-  LOG_SENSOR("  ", "Temperature", this->temperature_sensor_);
+  LOG_SENSOR("  ", "STS3x", this);
 }
 float STS3XComponent::get_setup_priority() const { return setup_priority::DATA; }
 void STS3XComponent::update() {
@@ -59,10 +59,8 @@ void STS3XComponent::update() {
     }
 
     float temperature = 175.0f * float(raw_data[0]) / 65535.0f - 45.0f;
-
     ESP_LOGD(TAG, "Got temperature=%.2f°C", temperature);
-    if (this->temperature_sensor_ != nullptr)
-      this->temperature_sensor_->publish_state(temperature);
+    this->publish_state(temperature);
     this->status_clear_warning();
   });
 }
diff --git a/esphome/components/sts3x/sts3x.h b/esphome/components/sts3x/sts3x.h
index 8b55a5160c..4380196b81 100644
--- a/esphome/components/sts3x/sts3x.h
+++ b/esphome/components/sts3x/sts3x.h
@@ -8,9 +8,8 @@ namespace esphome {
 namespace sts3x {
 
 /// This class implements support for the ST3x-DIS family of temperature i2c sensors.
-class STS3XComponent : public PollingComponent, public i2c::I2CDevice {
+class STS3XComponent : public sensor::Sensor, public PollingComponent, public i2c::I2CDevice {
  public:
-  void set_temperature_sensor(sensor::Sensor *temperature_sensor) { temperature_sensor_ = temperature_sensor; }
 
   void setup() override;
   void dump_config() override;
@@ -21,7 +20,6 @@ class STS3XComponent : public PollingComponent, public i2c::I2CDevice {
   bool write_command_(uint16_t command);
   bool read_data_(uint16_t *data, uint8_t len);
 
-  sensor::Sensor *temperature_sensor_;
 };
 
 }  // namespace sts3x
diff --git a/tests/test1.yaml b/tests/test1.yaml
index 1080c84ca1..9d7e8bf0ae 100644
--- a/tests/test1.yaml
+++ b/tests/test1.yaml
@@ -503,8 +503,7 @@ sensor:
     address: 0x44
     update_interval: 15s
   - platform: sts3x
-    temperature:
-      name: "Living Room Temperature 9"
+    name: "Living Room Temperature 9"
     address: 0x4A
     update_interval: 15s
   - platform: template