diff --git a/src/RotaryEncoder.cpp b/src/RotaryEncoder.cpp
index bcb8c5a..b357f93 100644
--- a/src/RotaryEncoder.cpp
+++ b/src/RotaryEncoder.cpp
@@ -1,5 +1,4 @@
 #include "RotaryEncoder.h"
-#include "arduino.h"
 
 void RotaryEncoder::init()
 {