diff --git a/docs/supportedsites.rst b/docs/supportedsites.rst
index e16cd69b..86deecdb 100644
--- a/docs/supportedsites.rst
+++ b/docs/supportedsites.rst
@@ -49,7 +49,6 @@ Manga Stream         https://mangastream.com/            Chapters
 Mangapanda           http://www.mangapanda.com/          Chapters, Manga
 MangaPark            http://mangapark.me/                Chapters, Manga
 Mangareader          http://www.mangareader.net/         Chapters, Manga
-Mangazuki            https://mangazuki.co/               Chapters, Manga
 nhentai              https://nhentai.net/                Galleries
 Niconico Seiga       http://seiga.nicovideo.jp           Images from Users, individual Images               Required
 nijie                https://nijie.info/                 Images from Users, individual Images               Required
diff --git a/gallery_dl/extractor/__init__.py b/gallery_dl/extractor/__init__.py
index 05b7047f..84b94e44 100644
--- a/gallery_dl/extractor/__init__.py
+++ b/gallery_dl/extractor/__init__.py
@@ -56,7 +56,6 @@ modules = [
     "mangapark",
     "mangareader",
     "mangastream",
-    "mangazuki",
     "nhentai",
     "nijie",
     "nyafuu",
diff --git a/gallery_dl/extractor/mangazuki.py b/gallery_dl/extractor/mangazuki.py
deleted file mode 100644
index 3f0bcbf0..00000000
--- a/gallery_dl/extractor/mangazuki.py
+++ /dev/null
@@ -1,114 +0,0 @@
-# -*- coding: utf-8 -*-
-
-# Copyright 2017 Mike Fährmann
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License version 2 as
-# published by the Free Software Foundation.
-
-"""Extract manga-chapters and entire manga from https://mangazuki.co/"""
-
-from .common import Extractor, MangaExtractor, Message
-from .. import text, util, exception
-
-
-class MangazukiChapterExtractor(Extractor):
-    """Extractor for manga-chapters from mangazuki.co"""
-    category = "mangazuki"
-    subcategory = "chapter"
-    directory_fmt = ["{category}", "{manga}", "c{chapter:>03}"]
-    filename_fmt = ("{manga}_c{chapter:>03}_{page:>03}.{extension}")
-    pattern = [r"(?:https?://)?((raws\.)?mangazuki\.co/read/[^/]+/\d+)"]
-    test = [
-        ("https://mangazuki.co/read/Double-Casting/59", {
-            "url": "47b4102da3ee1bd28459848904e8b7ff48e1ac5e",
-            "keyword": "b4cac50b3a3a1dd06451d1917a0faae2c6a51b95",
-        }),
-        ("https://raws.mangazuki.co/read/Rakujitsu-no-Pathos/25", {
-            "url": "c1c95d9954185f53a8449f497239aee181bea4af",
-            "keyword": "7554ca641f10e84fa5594e5ff8bd3925a5ff2e80",
-        }),
-        ("https://mangazuki.co/read/Double-Casting/999", {
-            "exception": exception.NotFoundError,
-        }),
-    ]
-
-    def __init__(self, match):
-        Extractor.__init__(self)
-        self.url = "https://" + match.group(1)
-        self.lang = "" if match.group(2) else "en"
-
-    def items(self):
-        response = self.request(self.url)
-        if response.history:
-            raise exception.NotFoundError("chapter")
-        page = response.text
-        data = self.get_metadata(page)
-        imgs = self.get_images(page)
-        data["count"] = len(imgs)
-
-        yield Message.Version, 1
-        yield Message.Directory, data
-        for data["page"], url in enumerate(imgs, 1):
-            yield Message.Url, url, text.nameext_from_url(url, data)
-
-    def get_metadata(self, page):
-        """Collect metadata for extractor-job"""
-        data = {
-            "lang": self.lang,
-            "language": util.code_to_language(self.lang, self.lang),
-        }
-        return text.extract_all(page, (
-            (None     , "<title>Mangazuki", ""),
-            ("manga"  , " - ", " - Chapter "),
-            ("chapter", "", "</title>"),
-        ), values=data)[0]
-
-    @staticmethod
-    def get_images(page):
-        """Return a list of all image-urls"""
-        return list(text.extract_iter(page, 'data-src="', '"'))
-
-
-class MangazukiMangaExtractor(MangaExtractor):
-    """Extractor for manga from mangazuki.co"""
-    category = "mangazuki"
-    pattern = [r"(?:https?://)?((raws\.)?mangazuki\.co/series/[^/?&#]+)"]
-    scheme = "https"
-    test = [
-        ("https://mangazuki.co/series/Double-Casting", {
-            "url": "aab747414191b14e768f4a1eb148448d83ef2e14",
-            "keyword": "99e64728381e110379703ef28511b45c1c850f86",
-        }),
-        ("https://raws.mangazuki.co/series/Hyulla-s-Clan", {
-            "url": "56ab020798c7a7b5b717166fe999455801a84f25",
-            "keyword": "9067b2f614d45f399240a93cb9a187ccb25ebde2",
-        }),
-    ]
-
-    def __init__(self, match):
-        MangaExtractor.__init__(self, match)
-        self.lang = "" if match.group(2) else "en"
-
-    def chapters(self, page):
-        params = {"page": 1}
-        results = []
-        manga = text.extract(
-            page, '<meta property="og:title" content="', '"')[0]
-        data = {
-            "manga": manga, "lang": self.lang,
-            "language": util.code_to_language(self.lang, self.lang)
-        }
-
-        while True:
-            urls = text.extract_iter(page, '<li class="media"><a href="', '"')
-            for url in urls:
-                chapter = url.rpartition("/")[2]
-                chapter, dot, minor = chapter.partition(".")
-                data["chapter"] = util.safe_int(chapter)
-                data["chapter_minor"] = dot + minor
-                results.append((url, data.copy()))
-            if 'class="next disabled"' in page:
-                return results
-            params["page"] += 1
-            page = self.request(self.url, params=params).text
diff --git a/test/test_extractors.py b/test/test_extractors.py
index 044f8bf3..88c1863b 100644
--- a/test/test_extractors.py
+++ b/test/test_extractors.py
@@ -82,8 +82,7 @@ skip = [
     "exhentai", "kissmanga", "mangafox", "dynastyscans", "nijie",
     "archivedmoe", "archiveofsins", "thebarchive",
     # temporary issues
-    "mangazuki",
-    "batoto",  # cloudflare "protection"
+    "turboimagehost",
 ]
 # enable selective testing for direct calls
 if __name__ == '__main__' and len(sys.argv) > 1: