diff --git a/app/js/login/instance.js b/app/js/login/instance.js
index a8f9886c..2ada1490 100644
--- a/app/js/login/instance.js
+++ b/app/js/login/instance.js
@@ -13,12 +13,6 @@ var idata = {
 	"minohdon.jp_bbcode": "disabled",
 	"minohdon.jp_markdown": "disabled",
 	"minohdon.jp_glitch": "disabled",
-	"knzk.me": "instance",
-	"knzk.me_name": "Knzk",
-	"knzk.me_letters": "5000",
-	"knzk.me_bbcode": "disabled",
-	"knzk.me_markdown": "disabled",
-	"knzk.me_glitch": "disabled",
 	"mastodos.com": "instance",
 	"mastodos.com_name": "マストどす",
 	"mastodos.com_letters": "500",