diff --git a/examples/lighting-app/ameba/main/LEDWidget.cpp b/examples/lighting-app/ameba/main/LEDWidget.cpp
index 231f80b861aca9..a050f4a4d4f0f0 100755
--- a/examples/lighting-app/ameba/main/LEDWidget.cpp
+++ b/examples/lighting-app/ameba/main/LEDWidget.cpp
@@ -52,7 +52,7 @@ void LEDWidget::DoSet(bool state)
 {
     bool stateChange = (mState != state);
     mState           = state;
-    
+
     if (stateChange)
     {
         gpio_write(&gpio_led, state);
diff --git a/examples/lighting-app/esp32/main/DeviceCallbacks.cpp b/examples/lighting-app/esp32/main/DeviceCallbacks.cpp
index c0861847505885..bc1174f4676358 100644
--- a/examples/lighting-app/esp32/main/DeviceCallbacks.cpp
+++ b/examples/lighting-app/esp32/main/DeviceCallbacks.cpp
@@ -144,4 +144,4 @@ void emberAfOnOffClusterInitCallback(EndpointId endpoint)
 {
     ESP_LOGI(TAG, "emberAfOnOffClusterInitCallback");
     GetAppTask().UpdateClusterState();
-}
\ No newline at end of file
+}