diff --git a/.gitignore b/.gitignore
index 8444cec..f939afe 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,6 @@
 *.hrb
+*.lst
+*.obj
+*.map
+*.bim
+*.hrb
\ No newline at end of file
diff --git a/27_day/apilib/apilib.lib b/27_day/apilib/apilib.lib
deleted file mode 100644
index 29a8eee..0000000
Binary files a/27_day/apilib/apilib.lib and /dev/null differ
diff --git a/27_day/haribote/haribote.sys b/27_day/haribote/haribote.sys
deleted file mode 100644
index e098d2b..0000000
Binary files a/27_day/haribote/haribote.sys and /dev/null differ
diff --git a/28_day/apilib/apilib.lib b/28_day/apilib/apilib.lib
deleted file mode 100644
index 29a8eee..0000000
Binary files a/28_day/apilib/apilib.lib and /dev/null differ
diff --git a/28_day/haribote/haribote.sys b/28_day/haribote/haribote.sys
deleted file mode 100644
index e098d2b..0000000
Binary files a/28_day/haribote/haribote.sys and /dev/null differ
diff --git a/29_day/apilib/apilib.lib b/29_day/apilib/apilib.lib
deleted file mode 100644
index 29a8eee..0000000
Binary files a/29_day/apilib/apilib.lib and /dev/null differ
diff --git a/29_day/haribote/haribote.sys b/29_day/haribote/haribote.sys
deleted file mode 100644
index e098d2b..0000000
Binary files a/29_day/haribote/haribote.sys and /dev/null differ
diff --git a/30_day/gview/bmp.obj b/30_day/gview/bmp.obj
deleted file mode 100644
index 335ca9d..0000000
Binary files a/30_day/gview/bmp.obj and /dev/null differ