 #include <Adafruit_NeoPixel.h>
 
 #define PIXEL_PIN   13    // Digital IO pin connected to the NeoPixels.
-
 #define PIXEL_COUNT 22
-
 #define BUTTON_PIN  3
-
-static const uint32_t WHITE = Adafruit_NeoPixel::Color(255, 255, 255);
-static const uint32_t OFF = Adafruit_NeoPixel::Color(0, 0, 0);
-
-class Tree
-{
-private:
-  Adafruit_NeoPixel pixels;
-  uint32_t target;
-  uint8_t steps;
-  
-public:
-  Tree(uint16_t count, uint8_t pin)
-    : pixels(count, pin)
-    , target(Adafruit_NeoPixel::Color(0, 0, 0))
-    , steps(50)
-  {
-  }
-  
-  void setup()
-  {
-    pixels.begin();
-    pixels.show();
-  }
-  
-  void step()
-  { 
-    pixels.show();
-  }
-};
 
 class Button
 {

  if (held != lastHeld) {
    lastHeld = held;
    if (!held) {
      brightnessDelta = -brightnessDelta;
    }
  }
  

  const byte held = button.held();
  
  if (held) {
    if (on) {
      nightlight.held();
    } else {
      on = true;
      nightlight.reset();
    }
    for (int i = 0; i != pixels.numPixels(); ++i) {
      pixels.setPixelColor(i, nightlight.colour());
    }
    pixels.show();
  }
