diff --git a/REMOVED_SOURCES.md b/REMOVED_SOURCES.md
index 9e6d96808..869bc2594 100644
--- a/REMOVED_SOURCES.md
+++ b/REMOVED_SOURCES.md
@@ -5,6 +5,7 @@
 - ColaManhua (COLA漫画) https://github.com/tachiyomiorg/tachiyomi-extensions/pull/11445
 - Comikey https://github.com/tachiyomiorg/tachiyomi-extensions/pull/11971
 - CopyManga (拷贝漫画) https://github.com/tachiyomiorg/tachiyomi-extensions/pull/12376
+- Hentai Kai https://github.com/tachiyomiorg/tachiyomi-extensions/issues/9999
 - Hitomi.la https://github.com/tachiyomiorg/tachiyomi-extensions/pull/11613
 - HQ Dragon https://github.com/tachiyomiorg/tachiyomi-extensions/pull/7065
 - Koushoku https://github.com/tachiyomiorg/tachiyomi-extensions/pull/13329