diff --git a/io.asm b/core/io.asm
similarity index 100%
rename from io.asm
rename to core/io.asm
diff --git a/io.h b/core/io.h
similarity index 100%
rename from io.h
rename to core/io.h
diff --git a/makefile b/makefile
index 128fea4..264e21d 100644
--- a/makefile
+++ b/makefile
@@ -41,4 +41,4 @@ run: os.iso
 	bochs -f bochsrc.conf -q 
 
 clean:
-	rm -rf *.o kernel.elf os.iso bochslog.txt
+	rm -rf core/*.o kernel.elf os.iso bochslog.txt