diff --git a/src/kaleidoscope/hardware/ErgoDox.cpp b/src/kaleidoscope/hardware/ErgoDox.cpp
index 7cd1f46b..b05a82b9 100644
--- a/src/kaleidoscope/hardware/ErgoDox.cpp
+++ b/src/kaleidoscope/hardware/ErgoDox.cpp
@@ -68,7 +68,7 @@ void ErgoDox::setup(void) {
   TCCR1B = _BV(WGM13);
   TCCR1A = 0;
 
-  const unsigned long cycles = (F_CPU / 2000000) * 500;
+  const uint32_t cycles = (F_CPU / 2000000) * 500;
 
   ICR1 = cycles;
   TCCR1B = _BV(WGM13) | _BV(CS10);
diff --git a/src/kaleidoscope/hardware/ErgoDox.h b/src/kaleidoscope/hardware/ErgoDox.h
index 243f6138..da48c126 100644
--- a/src/kaleidoscope/hardware/ErgoDox.h
+++ b/src/kaleidoscope/hardware/ErgoDox.h
@@ -49,14 +49,14 @@ namespace hardware {
 
 class ErgoDox {
  public:
-  ErgoDox(void) {};
+  ErgoDox(void) {}
 
-  void syncLeds(void) {};
-  void setCrgbAt(byte row, byte col, cRGB color) {};
-  void setCrgbAt(uint8_t i, cRGB crgb) {};
+  void syncLeds(void) {}
+  void setCrgbAt(byte row, byte col, cRGB color) {}
+  void setCrgbAt(uint8_t i, cRGB crgb) {}
   cRGB getCrgbAt(uint8_t i) {
     return CRGB(0, 0, 0);
-  };
+  }
 
   void scanMatrix(void);
   void readMatrix(void);