This is for testing purpose
by referring to the following link: https://thomasbaart.nl/2018/12/01/reducing-firmware-size-in-qmk/
Step 1: Add these flags to your rules.mk
EXTRAFLAGS += -flto
Add these to config.h
#define NO_ACTION_MACRO#define NO_ACTION_FUNCTION
//Does not work in reducing original rgb version
Step 2: Add the following codes for config.h
#ifndef NO_DEBUG
#define NO_DEBUG #endif // !NO_DEBUG #if !defined(NO_PRINT) && !defined(CONSOLE_ENABLE) #define NO_PRINT #endif // !NO_PRINT
