diff --git a/gallery_dl/extractor/2chan.py b/gallery_dl/extractor/2chan.py
index f5d2a4c8..c92969b0 100644
--- a/gallery_dl/extractor/2chan.py
+++ b/gallery_dl/extractor/2chan.py
@@ -35,7 +35,6 @@ class _2chanThreadExtractor(Extractor):
             self.server, self.board, self.thread)
         page = self.request(url).text
         data = self.metadata(page)
-        yield Message.Version, 1
         yield Message.Directory, data
         for post in self.posts(page):
             if "filename" not in post:
diff --git a/gallery_dl/extractor/35photo.py b/gallery_dl/extractor/35photo.py
index 27634deb..6a40d41c 100644
--- a/gallery_dl/extractor/35photo.py
+++ b/gallery_dl/extractor/35photo.py
@@ -22,7 +22,6 @@ class _35photoExtractor(Extractor):
     def items(self):
         first = True
         data = self.metadata()
-        yield Message.Version, 1
 
         for photo_id in self.photos():
             for photo in self._photo_data(photo_id):
diff --git a/gallery_dl/extractor/4chan.py b/gallery_dl/extractor/4chan.py
index bed30b16..bf9615d0 100644
--- a/gallery_dl/extractor/4chan.py
+++ b/gallery_dl/extractor/4chan.py
@@ -49,7 +49,6 @@ class _4chanThreadExtractor(Extractor):
             "title" : text.unescape(title)[:50],
         }
 
-        yield Message.Version, 1
         yield Message.Directory, data
         for post in posts:
             if "filename" in post:
diff --git a/gallery_dl/extractor/500px.py b/gallery_dl/extractor/500px.py
index 696b370c..8c6fa09c 100644
--- a/gallery_dl/extractor/500px.py
+++ b/gallery_dl/extractor/500px.py
@@ -29,7 +29,6 @@ class _500pxExtractor(Extractor):
     def items(self):
         first = True
         data = self.metadata()
-        yield Message.Version, 1
 
         for photo in self.photos():
             url = photo["images"][-1]["url"]
diff --git a/gallery_dl/extractor/8kun.py b/gallery_dl/extractor/8kun.py
index e55bb085..9232f88c 100644
--- a/gallery_dl/extractor/8kun.py
+++ b/gallery_dl/extractor/8kun.py
@@ -49,7 +49,6 @@ class _8kunThreadExtractor(Extractor):
             "num"   : 0,
         }
 
-        yield Message.Version, 1
         yield Message.Directory, data
         for post in posts:
             if "filename" in post:
diff --git a/gallery_dl/extractor/behance.py b/gallery_dl/extractor/behance.py
index f13edf77..71d3320c 100644
--- a/gallery_dl/extractor/behance.py
+++ b/gallery_dl/extractor/behance.py
@@ -19,7 +19,6 @@ class BehanceExtractor(Extractor):
     root = "https://www.behance.net"
 
     def items(self):
-        yield Message.Version, 1
         for gallery in self.galleries():
             gallery["_extractor"] = BehanceGalleryExtractor
             yield Message.Queue, gallery["url"], self._update(gallery)
@@ -99,7 +98,6 @@ class BehanceGalleryExtractor(BehanceExtractor):
         imgs = self.get_images(data)
         data["count"] = len(imgs)
 
-        yield Message.Version, 1
         yield Message.Directory, data
         for data["num"], (url, module) in enumerate(imgs, 1):
             data["module"] = module
diff --git a/gallery_dl/extractor/blogger.py b/gallery_dl/extractor/blogger.py
index 60170dc4..7e7c2829 100644
--- a/gallery_dl/extractor/blogger.py
+++ b/gallery_dl/extractor/blogger.py
@@ -34,7 +34,6 @@ class BloggerExtractor(Extractor):
         self.api = BloggerAPI(self)
 
     def items(self):
-        yield Message.Version, 1
 
         blog = self.api.blog_by_url("http://" + self.blog)
         blog["pages"] = blog["pages"]["totalItems"]
diff --git a/gallery_dl/extractor/common.py b/gallery_dl/extractor/common.py
index fad6c6d3..f81d93a3 100644
--- a/gallery_dl/extractor/common.py
+++ b/gallery_dl/extractor/common.py
@@ -448,7 +448,6 @@ class GalleryExtractor(Extractor):
                 pass
             images = enumerate(imgs, 1)
 
-        yield Message.Version, 1
         yield Message.Directory, data
         for data[self.enum], (url, imgdata) in images:
             if imgdata:
@@ -504,7 +503,6 @@ class MangaExtractor(Extractor):
         if self.reverse:
             chapters.reverse()
 
-        yield Message.Version, 1
         for chapter, data in chapters:
             data["_extractor"] = self.chapterclass
             yield Message.Queue, chapter, data
diff --git a/gallery_dl/extractor/deviantart.py b/gallery_dl/extractor/deviantart.py
index 900fde8c..0071f68d 100644
--- a/gallery_dl/extractor/deviantart.py
+++ b/gallery_dl/extractor/deviantart.py
@@ -78,7 +78,6 @@ class DeviantartExtractor(Extractor):
             else:
                 self.user = profile["user"]["username"]
 
-        yield Message.Version, 1
         for deviation in self.deviations():
             if isinstance(deviation, tuple):
                 url, data = deviation
@@ -924,7 +923,6 @@ class DeviantartFollowingExtractor(DeviantartExtractor):
     def items(self):
         eclipse_api = DeviantartEclipseAPI(self)
 
-        yield Message.Version, 1
         for user in eclipse_api.user_watching(self.user, self.offset):
             url = "{}/{}".format(self.root, user["username"])
             user["_extractor"] = DeviantartUserExtractor
diff --git a/gallery_dl/extractor/directlink.py b/gallery_dl/extractor/directlink.py
index 8505b0b3..6ddf2ec5 100644
--- a/gallery_dl/extractor/directlink.py
+++ b/gallery_dl/extractor/directlink.py
@@ -62,6 +62,5 @@ class DirectlinkExtractor(Extractor):
         data["_http_headers"] = {
             "Referer": self.url.encode("latin-1", "ignore")}
 
-        yield Message.Version, 1
         yield Message.Directory, data
         yield Message.Url, self.url, data
diff --git a/gallery_dl/extractor/dynastyscans.py b/gallery_dl/extractor/dynastyscans.py
index 67051c92..d491a6d1 100644
--- a/gallery_dl/extractor/dynastyscans.py
+++ b/gallery_dl/extractor/dynastyscans.py
@@ -112,7 +112,6 @@ class DynastyscansSearchExtractor(DynastyscansBase, Extractor):
         self.query = match.group(1) or ""
 
     def items(self):
-        yield Message.Version, 1
         yield Message.Directory, {}
         for image_id in self.images():
             image = self._parse_image_page(image_id)
diff --git a/gallery_dl/extractor/fanbox.py b/gallery_dl/extractor/fanbox.py
index 06054b21..cc6ee970 100644
--- a/gallery_dl/extractor/fanbox.py
+++ b/gallery_dl/extractor/fanbox.py
@@ -31,7 +31,6 @@ class FanboxExtractor(Extractor):
         self.embeds = self.config("embeds", True)
 
     def items(self):
-        yield Message.Version, 1
 
         if self._warning:
             if "FANBOXSESSID" not in self.session.cookies:
diff --git a/gallery_dl/extractor/fantia.py b/gallery_dl/extractor/fantia.py
index 16fed4e7..9df2bef8 100644
--- a/gallery_dl/extractor/fantia.py
+++ b/gallery_dl/extractor/fantia.py
@@ -20,7 +20,6 @@ class FantiaExtractor(Extractor):
     _warning = True
 
     def items(self):
-        yield Message.Version, 1
 
         if self._warning:
             if "_session_id" not in self.session.cookies:
diff --git a/gallery_dl/extractor/flickr.py b/gallery_dl/extractor/flickr.py
index cf4c033a..6c5c7dfc 100644
--- a/gallery_dl/extractor/flickr.py
+++ b/gallery_dl/extractor/flickr.py
@@ -155,7 +155,6 @@ class FlickrAlbumExtractor(FlickrExtractor):
         return self._album_items()
 
     def _album_items(self):
-        yield Message.Version, 1
         data = FlickrExtractor.metadata(self)
         data["_extractor"] = FlickrAlbumExtractor
 
diff --git a/gallery_dl/extractor/foolslide.py b/gallery_dl/extractor/foolslide.py
index f8664e73..2a3921b9 100644
--- a/gallery_dl/extractor/foolslide.py
+++ b/gallery_dl/extractor/foolslide.py
@@ -94,7 +94,6 @@ class FoolslideChapterExtractor(FoolslideExtractor):
         data["count"] = len(imgs)
         data["chapter_id"] = text.parse_int(imgs[0]["chapter_id"])
 
-        yield Message.Version, 1
         yield Message.Directory, data
         for data["page"], image in enumerate(imgs, 1):
             try:
diff --git a/gallery_dl/extractor/hentaifox.py b/gallery_dl/extractor/hentaifox.py
index a5bebdde..0327f563 100644
--- a/gallery_dl/extractor/hentaifox.py
+++ b/gallery_dl/extractor/hentaifox.py
@@ -129,7 +129,6 @@ class HentaifoxSearchExtractor(HentaifoxBase, Extractor):
         self.path = match.group(1)
 
     def items(self):
-        yield Message.Version, 1
         for gallery in self.galleries():
             yield Message.Queue, gallery["url"], gallery
 
diff --git a/gallery_dl/extractor/imagefap.py b/gallery_dl/extractor/imagefap.py
index 8785f65d..efc6d2a2 100644
--- a/gallery_dl/extractor/imagefap.py
+++ b/gallery_dl/extractor/imagefap.py
@@ -57,7 +57,6 @@ class ImagefapGalleryExtractor(ImagefapExtractor):
         url = "{}/pictures/{}/".format(self.root, self.gid)
         page = self.request(url).text
         data = self.get_job_metadata(page)
-        yield Message.Version, 1
         yield Message.Directory, data
         for url, image in self.get_images():
             data.update(image)
@@ -118,7 +117,6 @@ class ImagefapImageExtractor(ImagefapExtractor):
 
     def items(self):
         url, data = self.get_image()
-        yield Message.Version, 1
         yield Message.Directory, data
         yield Message.Url, url, data
 
@@ -169,7 +167,6 @@ class ImagefapUserExtractor(ImagefapExtractor):
         self.user, self.user_id = match.groups()
 
     def items(self):
-        yield Message.Version, 1
         for gid, name in self.get_gallery_data():
             url = "{}/gallery/{}".format(self.root, gid)
             data = {
diff --git a/gallery_dl/extractor/imagehosts.py b/gallery_dl/extractor/imagehosts.py
index 93284370..13996d00 100644
--- a/gallery_dl/extractor/imagehosts.py
+++ b/gallery_dl/extractor/imagehosts.py
@@ -57,7 +57,6 @@ class ImagehostImageExtractor(Extractor):
         if self.https and url.startswith("http:"):
             url = "https:" + url[5:]
 
-        yield Message.Version, 1
         yield Message.Directory, data
         yield Message.Url, url, data
 
diff --git a/gallery_dl/extractor/imgbb.py b/gallery_dl/extractor/imgbb.py
index 5dcca62c..1e875f0b 100644
--- a/gallery_dl/extractor/imgbb.py
+++ b/gallery_dl/extractor/imgbb.py
@@ -43,7 +43,6 @@ class ImgbbExtractor(Extractor):
         data = self.metadata(page)
         first = True
 
-        yield Message.Version, 1
         for img in self.images(page):
             image = {
                 "id"       : img["url_viewer"].rpartition("/")[2],
@@ -230,6 +229,5 @@ class ImgbbImageExtractor(ImgbbExtractor):
         }
         image["extension"] = text.ext_from_url(image["url"])
 
-        yield Message.Version, 1
         yield Message.Directory, image
         yield Message.Url, image["url"], image
diff --git a/gallery_dl/extractor/imgbox.py b/gallery_dl/extractor/imgbox.py
index 516ef18b..7ae39c0d 100644
--- a/gallery_dl/extractor/imgbox.py
+++ b/gallery_dl/extractor/imgbox.py
@@ -20,7 +20,6 @@ class ImgboxExtractor(Extractor):
 
     def items(self):
         data = self.get_job_metadata()
-        yield Message.Version, 1
         yield Message.Directory, data
 
         for image_key in self.get_image_keys():
diff --git a/gallery_dl/extractor/imgth.py b/gallery_dl/extractor/imgth.py
index 8a6fe1c6..6b424ad8 100644
--- a/gallery_dl/extractor/imgth.py
+++ b/gallery_dl/extractor/imgth.py
@@ -33,7 +33,6 @@ class ImgthGalleryExtractor(Extractor):
     def items(self):
         page = self.request(self.url_base + "0").text
         data = self.metadata(page)
-        yield Message.Version, 1
         yield Message.Directory, data
         for data["num"], url in enumerate(self.images(page), 1):
             yield Message.Url, url, text.nameext_from_url(url, data)
diff --git a/gallery_dl/extractor/imgur.py b/gallery_dl/extractor/imgur.py
index f925c9ef..20356551 100644
--- a/gallery_dl/extractor/imgur.py
+++ b/gallery_dl/extractor/imgur.py
@@ -46,7 +46,6 @@ class ImgurExtractor(Extractor):
         album_ex = ImgurAlbumExtractor
         image_ex = ImgurImageExtractor
 
-        yield Message.Version, 1
         for item in items:
             item["_extractor"] = album_ex if item["is_album"] else image_ex
             yield Message.Queue, item["link"], item
@@ -133,7 +132,6 @@ class ImgurImageExtractor(ImgurExtractor):
         image.update(image["media"][0])
         del image["media"]
         url = self._prepare(image)
-        yield Message.Version, 1
         yield Message.Directory, image
         yield Message.Url, url, image
 
@@ -221,7 +219,6 @@ class ImgurAlbumExtractor(ImgurExtractor):
         except KeyError:
             pass
 
-        yield Message.Version, 1
         for num, image in enumerate(images, 1):
             url = self._prepare(image)
             image["num"] = num
diff --git a/gallery_dl/extractor/issuu.py b/gallery_dl/extractor/issuu.py
index 6266e5ff..88d57e5c 100644
--- a/gallery_dl/extractor/issuu.py
+++ b/gallery_dl/extractor/issuu.py
@@ -94,7 +94,6 @@ class IssuuUserExtractor(IssuuBase, Extractor):
         url = "{}/call/profile/v1/documents/{}".format(self.root, self.user)
         params = {"offset": 0, "limit": "25"}
 
-        yield Message.Version, 1
         while True:
             data = self.request(url, params=params).json()
 
diff --git a/gallery_dl/extractor/keenspot.py b/gallery_dl/extractor/keenspot.py
index 0cbea67b..40127606 100644
--- a/gallery_dl/extractor/keenspot.py
+++ b/gallery_dl/extractor/keenspot.py
@@ -55,7 +55,6 @@ class KeenspotComicExtractor(Extractor):
 
     def items(self):
         data = {"comic": self.comic}
-        yield Message.Version, 1
         yield Message.Directory, data
 
         with self.request(self.root + "/") as response:
diff --git a/gallery_dl/extractor/khinsider.py b/gallery_dl/extractor/khinsider.py
index 679b5a05..67a1a950 100644
--- a/gallery_dl/extractor/khinsider.py
+++ b/gallery_dl/extractor/khinsider.py
@@ -40,7 +40,6 @@ class KhinsiderSoundtrackExtractor(AsynchronousMixin, Extractor):
             raise exception.NotFoundError("soundtrack")
 
         data = self.metadata(page)
-        yield Message.Version, 1
         yield Message.Directory, data
         for track in self.tracks(page):
             track.update(data)
diff --git a/gallery_dl/extractor/livedoor.py b/gallery_dl/extractor/livedoor.py
index feffdfdf..cffbc10f 100644
--- a/gallery_dl/extractor/livedoor.py
+++ b/gallery_dl/extractor/livedoor.py
@@ -25,7 +25,6 @@ class LivedoorExtractor(Extractor):
         self.user = match.group(1)
 
     def items(self):
-        yield Message.Version, 1
         for post in self.posts():
             images = self._images(post)
             if images:
diff --git a/gallery_dl/extractor/luscious.py b/gallery_dl/extractor/luscious.py
index c2961027..665d2576 100644
--- a/gallery_dl/extractor/luscious.py
+++ b/gallery_dl/extractor/luscious.py
@@ -120,7 +120,6 @@ class LusciousAlbumExtractor(LusciousExtractor):
 
     def items(self):
         album = self.metadata()
-        yield Message.Version, 1
         yield Message.Directory, {"album": album}
         for num, image in enumerate(self.images(), 1):
             image["num"] = num
@@ -443,7 +442,6 @@ fragment AlbumMinimal on Album {
     }
 }
 """
-        yield Message.Version, 1
         while True:
             data = self._graphql("AlbumListWithPeek", variables, query)
 
diff --git a/gallery_dl/extractor/mangoxo.py b/gallery_dl/extractor/mangoxo.py
index ad2947a7..5d240d46 100644
--- a/gallery_dl/extractor/mangoxo.py
+++ b/gallery_dl/extractor/mangoxo.py
@@ -106,7 +106,6 @@ class MangoxoAlbumExtractor(MangoxoExtractor):
         data = self.metadata(page)
         imgs = self.images(url, page)
 
-        yield Message.Version, 1
         yield Message.Directory, data
 
         data["extension"] = None
@@ -175,8 +174,6 @@ class MangoxoChannelExtractor(MangoxoExtractor):
         url = "{}/channel/{}/album/".format(self.root, self.channel_id)
         data = {"_extractor": MangoxoAlbumExtractor}
 
-        yield Message.Version, 1
-
         while True:
             page = self.request(url + str(num)).text
 
diff --git a/gallery_dl/extractor/naver.py b/gallery_dl/extractor/naver.py
index 413a58ad..7e94b1cc 100644
--- a/gallery_dl/extractor/naver.py
+++ b/gallery_dl/extractor/naver.py
@@ -102,7 +102,6 @@ class NaverBlogExtractor(NaverBase, Extractor):
         self.blog_id = match.group(1) or match.group(2)
 
     def items(self):
-        yield Message.Version, 1
 
         # fetch first post number
         url = "{}/PostList.nhn?blogId={}".format(self.root, self.blog_id)
diff --git a/gallery_dl/extractor/nhentai.py b/gallery_dl/extractor/nhentai.py
index fd833282..d9751361 100644
--- a/gallery_dl/extractor/nhentai.py
+++ b/gallery_dl/extractor/nhentai.py
@@ -117,7 +117,6 @@ class NhentaiSearchExtractor(NhentaiBase, Extractor):
         self.params = text.parse_query(match.group(1))
 
     def items(self):
-        yield Message.Version, 1
         data = {"_extractor": NhentaiGalleryExtractor}
         for gallery_id in self._pagination(self.params):
             url = "{}/g/{}/".format(self.root, gallery_id)
diff --git a/gallery_dl/extractor/nijie.py b/gallery_dl/extractor/nijie.py
index e558513b..6cb7c05c 100644
--- a/gallery_dl/extractor/nijie.py
+++ b/gallery_dl/extractor/nijie.py
@@ -36,7 +36,6 @@ class NijieExtractor(AsynchronousMixin, Extractor):
 
     def items(self):
         self.login()
-        yield Message.Version, 1
 
         for image_id in self.image_ids():
 
diff --git a/gallery_dl/extractor/nozomi.py b/gallery_dl/extractor/nozomi.py
index b74355db..44411c8d 100644
--- a/gallery_dl/extractor/nozomi.py
+++ b/gallery_dl/extractor/nozomi.py
@@ -25,7 +25,6 @@ class NozomiExtractor(Extractor):
     archive_fmt = "{dataid}"
 
     def items(self):
-        yield Message.Version, 1
 
         data = self.metadata()
         self.session.headers["Origin"] = self.root
diff --git a/gallery_dl/extractor/patreon.py b/gallery_dl/extractor/patreon.py
index 9c32d7aa..547465b9 100644
--- a/gallery_dl/extractor/patreon.py
+++ b/gallery_dl/extractor/patreon.py
@@ -27,7 +27,6 @@ class PatreonExtractor(Extractor):
     _warning = True
 
     def items(self):
-        yield Message.Version, 1
 
         if self._warning:
             if "session_id" not in self.session.cookies:
diff --git a/gallery_dl/extractor/photobucket.py b/gallery_dl/extractor/photobucket.py
index 5e2120a6..bea02760 100644
--- a/gallery_dl/extractor/photobucket.py
+++ b/gallery_dl/extractor/photobucket.py
@@ -54,7 +54,6 @@ class PhotobucketAlbumExtractor(Extractor):
         self.session.headers["Referer"] = self.url
 
     def items(self):
-        yield Message.Version, 1
         for image in self.images():
             image["titleOrFilename"] = text.unescape(image["titleOrFilename"])
             image["title"] = text.unescape(image["title"])
@@ -172,6 +171,5 @@ class PhotobucketImageExtractor(Extractor):
         mtype, _, mid = base64.b64decode(image["id"]).partition(b":")
         image["pictureId"] = mid.decode() if mtype == b"mediaId" else ""
 
-        yield Message.Version, 1
         yield Message.Directory, image
         yield Message.Url, image["fileUrl"], image
diff --git a/gallery_dl/extractor/piczel.py b/gallery_dl/extractor/piczel.py
index 45ce7f8b..94de9838 100644
--- a/gallery_dl/extractor/piczel.py
+++ b/gallery_dl/extractor/piczel.py
@@ -22,7 +22,6 @@ class PiczelExtractor(Extractor):
     api_root = "https://tombstone.piczel.tv"
 
     def items(self):
-        yield Message.Version, 1
         for post in self.posts():
             post["tags"] = [t["title"] for t in post["tags"] if t["title"]]
             post["date"] = text.parse_datetime(
diff --git a/gallery_dl/extractor/pixiv.py b/gallery_dl/extractor/pixiv.py
index aefe644c..2bb2e52d 100644
--- a/gallery_dl/extractor/pixiv.py
+++ b/gallery_dl/extractor/pixiv.py
@@ -213,7 +213,6 @@ class PixivMeExtractor(PixivExtractor):
         data = {"_extractor": PixivUserExtractor}
         response = self.request(
             url, method="HEAD", allow_redirects=False, notfound="user")
-        yield Message.Version, 1
         yield Message.Queue, response.headers["Location"], data
 
 
diff --git a/gallery_dl/extractor/pixnet.py b/gallery_dl/extractor/pixnet.py
index 342f4fa8..98928d65 100644
--- a/gallery_dl/extractor/pixnet.py
+++ b/gallery_dl/extractor/pixnet.py
@@ -89,7 +89,6 @@ class PixnetImageExtractor(PixnetExtractor):
         data["blog"] = self.blog
         data["user"] = data.pop("author_name")
 
-        yield Message.Version, 1
         yield Message.Directory, data
         yield Message.Url, data["url"], data
 
@@ -120,7 +119,6 @@ class PixnetSetExtractor(PixnetExtractor):
         page = self.request(url, encoding="utf-8").text
         data = self.metadata(page)
 
-        yield Message.Version, 1
         yield Message.Directory, data
         for num, info in enumerate(self._pagination(page), 1):
             url, pos = text.extract(info, ' href="', '"')
diff --git a/gallery_dl/extractor/pornhub.py b/gallery_dl/extractor/pornhub.py
index 61e3d41c..e9094268 100644
--- a/gallery_dl/extractor/pornhub.py
+++ b/gallery_dl/extractor/pornhub.py
@@ -60,7 +60,6 @@ class PornhubGalleryExtractor(PornhubExtractor):
 
     def items(self):
         data = self.metadata()
-        yield Message.Version, 1
         yield Message.Directory, data
         for num, image in enumerate(self.images(), 1):
             url = image["url"]
@@ -146,7 +145,6 @@ class PornhubUserExtractor(PornhubExtractor):
         }
 
         data = {"_extractor": PornhubGalleryExtractor}
-        yield Message.Version, 1
         while True:
             page = self.request(
                 url, method="POST", headers=headers, params=params).text
diff --git a/gallery_dl/extractor/reactor.py b/gallery_dl/extractor/reactor.py
index bbbdd3f4..04fe581a 100644
--- a/gallery_dl/extractor/reactor.py
+++ b/gallery_dl/extractor/reactor.py
@@ -37,7 +37,6 @@ class ReactorExtractor(Extractor):
 
     def items(self):
         data = self.metadata()
-        yield Message.Version, 1
         yield Message.Directory, data
         for post in self.posts():
             for image in self._parse_post(post):
@@ -197,7 +196,6 @@ class ReactorPostExtractor(ReactorExtractor):
         self.post_id = match.group(2)
 
     def items(self):
-        yield Message.Version, 1
         post = self.request(self.url).text
         pos = post.find('class="uhead">')
         for image in self._parse_post(post[pos:]):
diff --git a/gallery_dl/extractor/reddit.py b/gallery_dl/extractor/reddit.py
index 273ac05c..8ea8190b 100644
--- a/gallery_dl/extractor/reddit.py
+++ b/gallery_dl/extractor/reddit.py
@@ -38,8 +38,6 @@ class RedditExtractor(Extractor):
         visited = set()
         depth = 0
 
-        yield Message.Version, 1
-
         while True:
             extra = []
 
@@ -257,7 +255,6 @@ class RedditImageExtractor(Extractor):
 
     def items(self):
         data = text.nameext_from_url(self.url)
-        yield Message.Version, 1
         yield Message.Directory, data
         yield Message.Url, self.url, data
 
diff --git a/gallery_dl/extractor/seiga.py b/gallery_dl/extractor/seiga.py
index 7f9130d8..bf38a772 100644
--- a/gallery_dl/extractor/seiga.py
+++ b/gallery_dl/extractor/seiga.py
@@ -29,7 +29,6 @@ class SeigaExtractor(Extractor):
         images = iter(self.get_images())
         data = next(images)
 
-        yield Message.Version, 1
         yield Message.Directory, data
         for image in util.advance(images, self.start_image):
             data.update(image)
diff --git a/gallery_dl/extractor/senmanga.py b/gallery_dl/extractor/senmanga.py
index bde0b5d7..34177b41 100644
--- a/gallery_dl/extractor/senmanga.py
+++ b/gallery_dl/extractor/senmanga.py
@@ -42,7 +42,6 @@ class SenmangaChapterExtractor(Extractor):
 
     def items(self):
         data = self.metadata()
-        yield Message.Version, 1
         yield Message.Directory, data
         for data["page"] in range(1, data["count"]+1):
             data["extension"] = None
diff --git a/gallery_dl/extractor/sexcom.py b/gallery_dl/extractor/sexcom.py
index 41d2e677..ccedff30 100644
--- a/gallery_dl/extractor/sexcom.py
+++ b/gallery_dl/extractor/sexcom.py
@@ -21,7 +21,6 @@ class SexcomExtractor(Extractor):
     root = "https://www.sex.com"
 
     def items(self):
-        yield Message.Version, 1
         yield Message.Directory, self.metadata()
         for pin in map(self._parse_pin, self.pins()):
             if pin:
diff --git a/gallery_dl/extractor/simplyhentai.py b/gallery_dl/extractor/simplyhentai.py
index e1b14ef6..580e917a 100644
--- a/gallery_dl/extractor/simplyhentai.py
+++ b/gallery_dl/extractor/simplyhentai.py
@@ -128,7 +128,6 @@ class SimplyhentaiImageExtractor(Extractor):
         })
         data["token"] = data["filename"].rpartition("_")[2]
 
-        yield Message.Version, 1
         yield Message.Directory, data
         yield Message.Url, url, data
 
@@ -192,6 +191,5 @@ class SimplyhentaiVideoExtractor(Extractor):
                 date), "%B %d, %Y %H:%M"),
         })
 
-        yield Message.Version, 1
         yield Message.Directory, data
         yield Message.Url, video_url, data
diff --git a/gallery_dl/extractor/slickpic.py b/gallery_dl/extractor/slickpic.py
index ddd45ce2..b5fbdc22 100644
--- a/gallery_dl/extractor/slickpic.py
+++ b/gallery_dl/extractor/slickpic.py
@@ -68,7 +68,6 @@ class SlickpicAlbumExtractor(SlickpicExtractor):
             "count": len(imgs),
         }
 
-        yield Message.Version, 1
         yield Message.Directory, data
         for num, img in enumerate(imgs, 1):
             url = img["url_rsz"] + "/o/" + img["fname"]
@@ -137,6 +136,5 @@ class SlickpicUserExtractor(SlickpicExtractor):
         data = {"_extractor": SlickpicAlbumExtractor}
         base = self.root + "/albums/"
 
-        yield Message.Version, 1
         for album in text.extract_iter(page, 'href="' + base, '"'):
             yield Message.Queue, base + album, data
diff --git a/gallery_dl/extractor/slideshare.py b/gallery_dl/extractor/slideshare.py
index 15dbb859..a3c77e84 100644
--- a/gallery_dl/extractor/slideshare.py
+++ b/gallery_dl/extractor/slideshare.py
@@ -49,7 +49,6 @@ class SlidesharePresentationExtractor(Extractor):
         data = self.get_job_metadata(page)
         imgs = self.get_image_urls(page)
         data["count"] = len(imgs)
-        yield Message.Version, 1
         yield Message.Directory, data
         for data["num"], url in enumerate(imgs, 1):
             yield Message.Url, url, text.nameext_from_url(url, data)
diff --git a/gallery_dl/extractor/smugmug.py b/gallery_dl/extractor/smugmug.py
index 02cf832e..f7408e60 100644
--- a/gallery_dl/extractor/smugmug.py
+++ b/gallery_dl/extractor/smugmug.py
@@ -95,7 +95,6 @@ class SmugmugAlbumExtractor(SmugmugExtractor):
         del album["Uris"]
         data = {"Album": album, "User": user}
 
-        yield Message.Version, 1
         yield Message.Directory, data
 
         for image in self.api.album_images(self.album_id, "ImageSizeDetails"):
@@ -133,7 +132,6 @@ class SmugmugImageExtractor(SmugmugExtractor):
         data = {"Image": image}
         text.nameext_from_url(url, data)
 
-        yield Message.Version, 1
         yield Message.Directory, data
         yield Message.Url, url, data
 
@@ -170,7 +168,6 @@ class SmugmugPathExtractor(SmugmugExtractor):
         self.domain, self.user, self.path = match.groups()
 
     def items(self):
-        yield Message.Version, 1
 
         if not self.user:
             self.user = self.api.site_user(self.domain)["NickName"]
diff --git a/gallery_dl/extractor/speakerdeck.py b/gallery_dl/extractor/speakerdeck.py
index f5b91718..9eb87617 100644
--- a/gallery_dl/extractor/speakerdeck.py
+++ b/gallery_dl/extractor/speakerdeck.py
@@ -39,7 +39,6 @@ class SpeakerdeckPresentationExtractor(Extractor):
         data = self.get_job_metadata()
         imgs = self.get_image_urls()
         data["count"] = len(imgs)
-        yield Message.Version, 1
         yield Message.Directory, data
         for data["num"], url in enumerate(imgs, 1):
             yield Message.Url, url, text.nameext_from_url(url, data)
diff --git a/gallery_dl/extractor/test.py b/gallery_dl/extractor/test.py
index 2f4992c3..5d81ed51 100644
--- a/gallery_dl/extractor/test.py
+++ b/gallery_dl/extractor/test.py
@@ -71,7 +71,6 @@ class TestExtractor(Extractor):
         if not tests:
             raise exception.NotFoundError("test")
 
-        yield Message.Version, 1
         for test in tests:
             yield Message.Queue, test[0], {}
 
diff --git a/gallery_dl/extractor/tsumino.py b/gallery_dl/extractor/tsumino.py
index 58094634..92bd6347 100644
--- a/gallery_dl/extractor/tsumino.py
+++ b/gallery_dl/extractor/tsumino.py
@@ -152,7 +152,6 @@ class TsuminoSearchExtractor(TsuminoBase, Extractor):
         self.query = match.group(1)
 
     def items(self):
-        yield Message.Version, 1
         for gallery in self.galleries():
             url = "{}/entry/{}".format(self.root, gallery["id"])
             gallery["_extractor"] = TsuminoGalleryExtractor
diff --git a/gallery_dl/extractor/vanillarock.py b/gallery_dl/extractor/vanillarock.py
index 32eaa36f..3d934b25 100644
--- a/gallery_dl/extractor/vanillarock.py
+++ b/gallery_dl/extractor/vanillarock.py
@@ -56,7 +56,6 @@ class VanillarockPostExtractor(VanillarockExtractor):
                 '<div class="cat-tag">', '</div>'))[::2],
         }
 
-        yield Message.Version, 1
         yield Message.Directory, data
         for data["num"], url in enumerate(imgs, 1):
             yield Message.Url, url, text.nameext_from_url(url, data)
@@ -84,7 +83,6 @@ class VanillarockTagExtractor(VanillarockExtractor):
         url = self.root + self.path
         data = {"_extractor": VanillarockPostExtractor}
 
-        yield Message.Version, 1
         while url:
             extr = text.extract_from(self.request(url).text)
             while True:
diff --git a/gallery_dl/extractor/vsco.py b/gallery_dl/extractor/vsco.py
index 76e4e3d4..92782426 100644
--- a/gallery_dl/extractor/vsco.py
+++ b/gallery_dl/extractor/vsco.py
@@ -30,7 +30,6 @@ class VscoExtractor(Extractor):
 
     def items(self):
         videos = self.config("videos", True)
-        yield Message.Version, 1
         yield Message.Directory, {"user": self.user}
         for img in self.images():
 
diff --git a/gallery_dl/extractor/warosu.py b/gallery_dl/extractor/warosu.py
index d3531448..7f51732f 100644
--- a/gallery_dl/extractor/warosu.py
+++ b/gallery_dl/extractor/warosu.py
@@ -47,7 +47,6 @@ class WarosuThreadExtractor(Extractor):
             title = text.remove_html(posts[0]["com"])
             data["title"] = text.unescape(title)[:50]
 
-        yield Message.Version, 1
         yield Message.Directory, data
         for post in posts:
             if "image" in post:
diff --git a/gallery_dl/extractor/weasyl.py b/gallery_dl/extractor/weasyl.py
index 711d3fa5..75b78c58 100644
--- a/gallery_dl/extractor/weasyl.py
+++ b/gallery_dl/extractor/weasyl.py
@@ -123,7 +123,6 @@ class WeasylSubmissionsExtractor(WeasylExtractor):
         self.owner_login = match.group(1)
 
     def items(self):
-        yield Message.Version, 1
         yield Message.Directory, {"owner_login": self.owner_login}
         yield from self.submissions(self.owner_login)
 
@@ -141,7 +140,6 @@ class WeasylFolderExtractor(WeasylExtractor):
         self.owner_login, self.folderid = match.groups()
 
     def items(self):
-        yield Message.Version, 1
         iter = self.submissions(self.owner_login, self.folderid)
         # Folder names are only on single submission api calls
         msg, url, data = next(iter)
@@ -171,7 +169,6 @@ class WeasylJournalExtractor(WeasylExtractor):
 
     def items(self):
         data = self.retrieve_journal(self.journalid)
-        yield Message.Version, 1
         yield Message.Directory, data
         yield Message.Url, data["html"], data
 
@@ -190,7 +187,6 @@ class WeasylJournalsExtractor(WeasylExtractor):
         self.owner_login = match.group(1)
 
     def items(self):
-        yield Message.Version, 1
         yield Message.Directory, {"owner_login": self.owner_login}
 
         url = "{}/journals/{}".format(self.root, self.owner_login)
diff --git a/gallery_dl/extractor/wikiart.py b/gallery_dl/extractor/wikiart.py
index 9f95e148..f68cb858 100644
--- a/gallery_dl/extractor/wikiart.py
+++ b/gallery_dl/extractor/wikiart.py
@@ -27,7 +27,6 @@ class WikiartExtractor(Extractor):
 
     def items(self):
         data = self.metadata()
-        yield Message.Version, 1
         yield Message.Directory, data
         for painting in self.paintings():
             url = painting["image"]
diff --git a/gallery_dl/extractor/wikieat.py b/gallery_dl/extractor/wikieat.py
index f544bcb8..c7b19581 100644
--- a/gallery_dl/extractor/wikieat.py
+++ b/gallery_dl/extractor/wikieat.py
@@ -43,7 +43,6 @@ class WikieatThreadExtractor(Extractor):
             "num"   : 0,
         }
 
-        yield Message.Version, 1
         yield Message.Directory, data
         for post in posts:
             if "filename" in post:
diff --git a/gallery_dl/extractor/xhamster.py b/gallery_dl/extractor/xhamster.py
index 258e89c6..f7a0a7ec 100644
--- a/gallery_dl/extractor/xhamster.py
+++ b/gallery_dl/extractor/xhamster.py
@@ -90,7 +90,6 @@ class XhamsterGalleryExtractor(XhamsterExtractor):
 
     def items(self):
         data = self.metadata()
-        yield Message.Version, 1
         yield Message.Directory, data
         for num, image in enumerate(self.images(), 1):
             url = image["imageURL"]
@@ -167,7 +166,6 @@ class XhamsterUserExtractor(XhamsterExtractor):
         self.user = match.group(2)
 
     def items(self):
-        yield Message.Version, 1
         url = "{}/users/{}/photos".format(self.root, self.user)
         data = {"_extractor": XhamsterGalleryExtractor}
 
diff --git a/gallery_dl/extractor/xvideos.py b/gallery_dl/extractor/xvideos.py
index 9fdc5aa8..59649a03 100644
--- a/gallery_dl/extractor/xvideos.py
+++ b/gallery_dl/extractor/xvideos.py
@@ -129,7 +129,6 @@ class XvideosUserExtractor(XvideosBase, Extractor):
         ]
         galleries.sort(key=lambda x: x["id"])
 
-        yield Message.Version, 1
         for gallery in galleries:
             url = "https://www.xvideos.com/profiles/{}/photos/{}".format(
                 self.user, gallery["id"])
diff --git a/gallery_dl/job.py b/gallery_dl/job.py
index 783afeb8..9ec11db5 100644
--- a/gallery_dl/job.py
+++ b/gallery_dl/job.py
@@ -134,13 +134,6 @@ class Job():
             if self.pred_queue(url, kwdict):
                 self.handle_queue(url, kwdict)
 
-        elif msg[0] == Message.Version:
-            if msg[1] != 1:
-                raise "unsupported message-version ({}, {})".format(
-                    self.extractor.category, msg[1]
-                )
-            # TODO: support for multiple message versions
-
     def handle_url(self, url, kwdict):
         """Handle Message.Url"""