diff --git a/docs/supportedsites.md b/docs/supportedsites.md
index 439fcd30..a0aded23 100644
--- a/docs/supportedsites.md
+++ b/docs/supportedsites.md
@@ -1263,12 +1263,6 @@ Consider all sites to be NSFW unless otherwise known.
 <tr>
     <td colspan="4"><strong>FoOlSlide Instances</strong></td>
 </tr>
-<tr>
-    <td>Kirei Cake</td>
-    <td>https://reader.kireicake.com/</td>
-    <td>Chapters, Manga</td>
-    <td></td>
-</tr>
 <tr>
     <td>PowerManga</td>
     <td>https://read.powermanga.org/</td>
diff --git a/gallery_dl/extractor/foolslide.py b/gallery_dl/extractor/foolslide.py
index 81671ecd..2290cc25 100644
--- a/gallery_dl/extractor/foolslide.py
+++ b/gallery_dl/extractor/foolslide.py
@@ -39,10 +39,6 @@ class FoolslideExtractor(BaseExtractor):
 
 
 BASE_PATTERN = FoolslideExtractor.update({
-    "kireicake": {
-        "root": "https://reader.kireicake.com",
-        "pattern": r"reader\.kireicake\.com",
-    },
     "powermanga": {
         "root": "https://read.powermanga.org",
         "pattern": r"read(?:er)?\.powermanga\.org",
@@ -64,10 +60,6 @@ class FoolslideChapterExtractor(FoolslideExtractor):
     archive_fmt = "{id}"
     pattern = BASE_PATTERN + r"(/read/[^/?#]+/[a-z-]+/\d+/\d+(?:/\d+)?)"
     test = (
-        ("https://reader.kireicake.com/read/wonderland/en/1/1/", {
-            "url": "b2d36bc0bc67e4c461c3a4d6444a2fd339f5d07e",
-            "keyword": "9f80947920a325e33aea7f5cd69ea669171903b6",
-        }),
         (("https://read.powermanga.org"
           "/read/one_piece_digital_colour_comics/en/0/75/"), {
             "url": "854c5817f8f767e1bccd05fa9d58ffb5a4b09384",
@@ -123,10 +115,6 @@ class FoolslideMangaExtractor(FoolslideExtractor):
     categorytransfer = True
     pattern = BASE_PATTERN + r"(/series/[^/?#]+)"
     test = (
-        ("https://reader.kireicake.com/series/wonderland/", {
-            "url": "d067b649af1cc88fa8c8b698fde04a10909fd169",
-            "keyword": "268f43772fb239888ca5c5f6a4f65f99ffb3eefb",
-        }),
         (("https://read.powermanga.org"
           "/series/one_piece_digital_colour_comics/"), {
             "count": ">= 1",
diff --git a/scripts/supportedsites.py b/scripts/supportedsites.py
index edd65546..8cff63c3 100755
--- a/scripts/supportedsites.py
+++ b/scripts/supportedsites.py
@@ -60,7 +60,6 @@ CATEGORY_MAP = {
     "joyreactor"     : "JoyReactor",
     "kabeuchi"       : "かべうち",
     "kemonoparty"    : "Kemono",
-    "kireicake"      : "Kirei Cake",
     "lineblog"       : "LINE BLOG",
     "livedoor"       : "livedoor Blog",
     "omgmiamiswimwear": "Omg Miami Swimwear",