diff --git a/inc/main.h b/inc/main.h
index 8c8dca8..b0ea637 100644
--- a/inc/main.h
+++ b/inc/main.h
@@ -41,7 +41,6 @@ OF SUCH DAMAGE.
 #include "gd32e23x_libopt.h"
 #include "rs485.h"
 #include "led.h"
-#include "i2c.h"
 #include "ldc1612.h"
 #include "fwdgt.h"
 #include "board_config.h"