diff --git a/src/libmodbus/modbus.c b/src/libmodbus/modbus.c
index acf5b10..2cdf985 100644
--- a/src/libmodbus/modbus.c
+++ b/src/libmodbus/modbus.c
@@ -19,7 +19,6 @@
 #include <unistd.h>
 #endif
 #ifdef ARDUINO
-#include <Arduino.h>
 
 #ifndef DEBUG
 #define printf(...) {}