diff --git a/27_day/haribote/ipl10.bin b/27_day/haribote/ipl10.bin
deleted file mode 100644
index 9ac675e..0000000
Binary files a/27_day/haribote/ipl10.bin and /dev/null differ
diff --git a/28_day/Makefile b/28_day/Makefile
index 5e59a38..e6b82cf 100644
--- a/28_day/Makefile
+++ b/28_day/Makefile
@@ -116,56 +116,56 @@ src_only :
 
 clean_full :
 	$(MAKE) -C haribote		clean
-	$(MAKE) -C apilib		clean
-	$(MAKE) -C a			clean
-	$(MAKE) -C hello3		clean
-	$(MAKE) -C hello4		clean
-	$(MAKE) -C hello5		clean
+	$(MAKE) -C apilib			clean
+	$(MAKE) -C a					clean
+	$(MAKE) -C hello3			clean
+	$(MAKE) -C hello4			clean
+	$(MAKE) -C hello5			clean
 	$(MAKE) -C winhelo		clean
 	$(MAKE) -C winhelo2		clean
 	$(MAKE) -C winhelo3		clean
-	$(MAKE) -C star1		clean
-	$(MAKE) -C stars		clean
-	$(MAKE) -C stars2		clean
-	$(MAKE) -C lines		clean
-	$(MAKE) -C walk			clean
-	$(MAKE) -C noodle		clean
+	$(MAKE) -C star1			clean
+	$(MAKE) -C stars			clean
+	$(MAKE) -C stars2			clean
+	$(MAKE) -C lines			clean
+	$(MAKE) -C walk				clean
+	$(MAKE) -C noodle			clean
 	$(MAKE) -C beepdown		clean
-	$(MAKE) -C color		clean
-	$(MAKE) -C color2		clean
-	$(MAKE) -C sosu			clean
-	$(MAKE) -C sosu2		clean
-	$(MAKE) -C sosu3		clean
+	$(MAKE) -C color			clean
+	$(MAKE) -C color2			clean
+	$(MAKE) -C sosu				clean
+	$(MAKE) -C sosu2			clean
+	$(MAKE) -C sosu3			clean
 	$(MAKE) -C typeipl		clean
-	$(MAKE) -C type			clean
-	$(MAKE) -C iroha		clean
+	$(MAKE) -C type				clean
+	$(MAKE) -C iroha			clean
 	$(MAKE) -C chklang		clean
 
 src_only_full :
 	$(MAKE) -C haribote		src_only
-	$(MAKE) -C apilib		src_only
-	$(MAKE) -C a			src_only
-	$(MAKE) -C hello3		src_only
-	$(MAKE) -C hello4		src_only
-	$(MAKE) -C hello5		src_only
+	$(MAKE) -C apilib			src_only
+	$(MAKE) -C a					src_only
+	$(MAKE) -C hello3			src_only
+	$(MAKE) -C hello4			src_only
+	$(MAKE) -C hello5			src_only
 	$(MAKE) -C winhelo		src_only
 	$(MAKE) -C winhelo2		src_only
 	$(MAKE) -C winhelo3		src_only
-	$(MAKE) -C star1		src_only
-	$(MAKE) -C stars		src_only
-	$(MAKE) -C stars2		src_only
-	$(MAKE) -C lines		src_only
-	$(MAKE) -C walk			src_only
-	$(MAKE) -C noodle		src_only
+	$(MAKE) -C star1			src_only
+	$(MAKE) -C stars			src_only
+	$(MAKE) -C stars2			src_only
+	$(MAKE) -C lines			src_only
+	$(MAKE) -C walk				src_only
+	$(MAKE) -C noodle			src_only
 	$(MAKE) -C beepdown		src_only
-	$(MAKE) -C color		src_only
-	$(MAKE) -C color2		src_only
-	$(MAKE) -C sosu			src_only
-	$(MAKE) -C sosu2		src_only
-	$(MAKE) -C sosu3		src_only
+	$(MAKE) -C color			src_only
+	$(MAKE) -C color2			src_only
+	$(MAKE) -C sosu				src_only
+	$(MAKE) -C sosu2			src_only
+	$(MAKE) -C sosu3			src_only
 	$(MAKE) -C typeipl		src_only
-	$(MAKE) -C type			src_only
-	$(MAKE) -C iroha		src_only
+	$(MAKE) -C type				src_only
+	$(MAKE) -C iroha			src_only
 	$(MAKE) -C chklang		src_only
 	-$(DEL) haribote.img
 
diff --git a/28_day/haribote/ipl10.bin b/28_day/haribote/ipl10.bin
deleted file mode 100644
index 9ac675e..0000000
Binary files a/28_day/haribote/ipl10.bin and /dev/null differ