diff --git a/src/dali/commands.hpp b/src/dali/commands.hpp
index 583214d..d649399 100644
--- a/src/dali/commands.hpp
+++ b/src/dali/commands.hpp
@@ -165,8 +165,6 @@ enum class Command {
   QUERY_RANDOM_ADDR_L = 196,
   READ_MEMORY_LOCATION = 197,
 
-  QUERY_EXTENDED_VERSION_NUMBER = 255,
-
   // Special commands
   _SPECIAL_COMMAND = 1024, // not for use
 
diff --git a/src/xmc1200/bccu.cpp b/src/xmc1200/bccu.cpp
index d4a8d0e..5e97acb 100644
--- a/src/xmc1200/bccu.cpp
+++ b/src/xmc1200/bccu.cpp
@@ -19,7 +19,6 @@
 #define DIMMING_MAX 1023
 #define DIMMING_MAGIC_UP 20479
 #define DIMMING_MAGIC_DOWN 20734
-#define DIMMING_MAGIC ((DIMMING_MAGIC_UP + DIMMING_MAGIC_DOWN) / 2)
 
 #define MSEC_PER_SEC 1000
 
diff --git a/src/xmc1200/dali/bus_config.h b/src/xmc1200/dali/bus_config.h
index aa52e82..110ea77 100644
--- a/src/xmc1200/dali/bus_config.h
+++ b/src/xmc1200/dali/bus_config.h
@@ -22,7 +22,7 @@
 
 extern const XMC_UART_CH_CONFIG_t kDaliTxUARTConfig;
 
-// CCU4 configuration - used for DALI TX
+// CCU4 configuration - used for DALI RX
 # define CCU40_SLICE CCU40_CC42
 # define CCU40_SLICE_NUMBER 2
 # define CCU40_SLICE_INPUT XMC_CCU4_SLICE_INPUT_C
diff --git a/src/xmc1200/dali/timer.cpp b/src/xmc1200/dali/timer.cpp
index bc4221b..1f9466f 100644
--- a/src/xmc1200/dali/timer.cpp
+++ b/src/xmc1200/dali/timer.cpp
@@ -90,11 +90,6 @@ uint64_t Timer::getTimeMs() {
 }
 
 // static
-uint16_t Timer::freq() {
-  return TICKS_PER_SECOND;
-}
-
-// static
 void Timer::runSlice() {
   for (uint8_t i = 0; i < MAX_TASKS; ++i) {
     TaskInfo* taskInfo = &gTasks[i];
diff --git a/src/xmc1200/dali/timer.hpp b/src/xmc1200/dali/timer.hpp
index aeea90c..0963b5f 100644
--- a/src/xmc1200/dali/timer.hpp
+++ b/src/xmc1200/dali/timer.hpp
@@ -28,7 +28,6 @@ public:
   uint32_t randomize() override;
 
   static uint64_t getTimeMs();
-  static uint16_t freq();
   static void runSlice();
 
 private: