diff --git a/makefile b/makefile
index 6acd480..0af2f5d 100644
--- a/makefile
+++ b/makefile
@@ -9,7 +9,7 @@ MCU = atmega328p
 QEMU_MACHINE_NAME = uno
 
 # Compiler flags
-CFLAGS = -std=c2x -Wall -Wno-array-bounds -mmcu=$(MCU) -DF_CPU=16000000UL -O3
+CFLAGS = -std=c99 -Wall -Wno-array-bounds -mmcu=$(MCU) -DF_CPU=16000000UL -Os -g
 
 # Source files
 SRCS = main.c
@@ -30,7 +30,6 @@ all: $(TARGET).hex
 # Link object files
 $(TARGET).elf: $(OBJS)
 	$(CC) $(CFLAGS) $(OBJS) -o $(TARGET).elf
-	avr-strip $(TARGET).elf
 
 # Convert ELF to HEX
 $(TARGET).hex: $(TARGET).elf