diff --git a/README.md b/README.md
index 76cdeed2f..a75d338d4 100644
--- a/README.md
+++ b/README.md
@@ -252,7 +252,6 @@ A third-party Golang SDK for Jackett is available from [webtor-io/go-jackett](ht
  * ArabTorrents [![(invite needed)][inviteneeded]](#)
  * AsianCinema
  * AsianDVDClub
- * AT-12 Project
  * Audiences
  * AudioNews (AN)
  * Aussierul.es [![(invite needed)][inviteneeded]](#)
diff --git a/src/Jackett.Common/Definitions/at12project.yml b/src/Jackett.Common/Definitions/at12project.yml
deleted file mode 100644
index 31eeec858..000000000
--- a/src/Jackett.Common/Definitions/at12project.yml
+++ /dev/null
@@ -1,167 +0,0 @@
----
-id: at12project
-name: AT-12 Project
-description: "AT-12 Project is a Private Torrent Tracker for JAPANESE MOVIES / TV"
-language: en-US
-type: private
-encoding: UTF-8
-links:
-  - https://at-12project.cc/
-
-caps:
-  categorymappings:
-    - {id: 7, cat: Movies, desc: "MOVIE"}
-    - {id: 8, cat: TV, desc: "TV"}
-
-  modes:
-    search: [q]
-    tv-search: [q, season, ep, imdbid, tvdbid, tmdbid]
-    movie-search: [q, imdbid, tmdbid]
-
-settings:
-  - name: apikey
-    type: text
-    label: APIKey
-  - name: info_key
-    type: info
-    label: About your API key
-    default: "Find or Generate a new API Token by accessing your <a href=\"https://at-12project.cc/\" target=\"_blank\">AT-12 Project</a> account <i>My Settings</i> page and clicking on the <b>API Key</b> tab."
-  - name: freeleech
-    type: checkbox
-    label: Search freeleech only
-    default: false
-  - name: single_file_release_use_filename
-    type: checkbox
-    label: Use filename as title for single file releases
-    default: true
-  - name: sort
-    type: select
-    label: Sort requested from site
-    default: created_at
-    options:
-      created_at: created
-      seeders: seeders
-      size: size
-      name: title
-  - name: type
-    type: select
-    label: Order requested from site
-    default: desc
-    options:
-      desc: desc
-      asc: asc
-
-login:
-  path: /api/torrents
-  method: get
-  error:
-    - selector: a[href*="/login"]
-      message:
-        text: "The API key was not accepted by {{ .Config.sitelink }}."
-
-search:
-  paths:
-    # https://github.com/HDInnovations/UNIT3D-Community-Edition/wiki/Torrent-API-(UNIT3D-v8.x.x)
-    # https://github.com/HDInnovations/UNIT3D-Community-Edition/blob/master/app/Http/Controllers/API/TorrentController.php#L476
-    - path: "/api/torrents/filter"
-      response:
-        type: json
-
-  headers:
-    Authorization: ["Bearer {{ .Config.apikey }}"]
-
-  inputs:
-  # if we have an id based search, add Season and Episode as query in name for UNIT3D < v6.  Else pass S/E Params for UNIT3D >= v6
-    $raw: "{{ range .Categories }}&categories[]={{.}}{{end}}"
-    name: "{{ .Keywords }}"
-    seasonNumber: "{{ .Query.Season }}"
-    episodeNumber: "{{ .Query.Ep }}"
-    imdbId: "{{ .Query.IMDBIDShort }}"
-    tmdbId: "{{ .Query.TMDBID }}"
-    tvdbId: "{{ .Query.TVDBID }}"
-    "free[]": "{{ if .Config.freeleech }}100{{ else }}{{ end }}"
-    sortField: "{{ .Config.sort }}"
-    sortDirection: "{{ .Config.type }}"
-    perPage: 100
-
-  keywordsfilters:
-    - name: re_replace
-      args: ["\\.", " "]
-
-  rows:
-    selector: data
-    attribute: attributes
-
-  fields:
-    category:
-      selector: category_id
-    title_optional:
-      selector: name
-    details:
-      selector: details_link
-    download:
-      selector: download_link
-    infohash:
-      selector: info_hash
-    poster:
-      selector: meta.poster
-      filters:
-        - name: replace
-          args: ["https://via.placeholder.com/90x135", ""]
-    imdbid:
-      selector: imdb_id
-    tmdbid:
-      selector: tmdb_id
-    tvdbid:
-      selector: tvdb_id
-    genre:
-      selector: meta.genres
-      filters:
-        - name: re_replace
-          args: ["(?i)(Science Fiction)", "Science_Fiction"]
-        - name: replace
-          args: [" & ", "_&_"]
-    description:
-      text: "{{ .Result.genre }}"
-    files:
-      selector: num_file
-    seeders:
-      selector: seeders
-    leechers:
-      selector: leechers
-    grabs:
-      selector: times_completed
-    date:
-      # "created_at": "2021-10-18T00:34:50.000000Z" is returned by Newtonsoft.Json.Linq as 18/10/2021 00:34:50
-      selector: created_at
-      filters:
-        - name: append
-          args: " +00:00" # GMT
-        - name: dateparse
-          args: "MM/dd/yyyy HH:mm:ss zzz"
-    size:
-      selector: size
-    downloadvolumefactor:
-      # api returns 0%, 25%, 50%, 75%, 100%
-      selector: freeleech
-      case:
-        0%: 1 # not free
-        25%: 0.75
-        50%: 0.5
-        75%: 0.25
-        100%: 0 # freeleech
-        "*": 0 # catch errors
-    uploadvolumefactor:
-      # api returns False, True
-      selector: double_upload
-      case:
-        False: 1 # normal
-        True: 2 # double
-    minimumratio:
-      text: 1.0
-    title_filename:
-      selector: "files[0].name"
-      optional: true
-    title:
-      text: "{{ if and (.Config.single_file_release_use_filename) (eq .Result.files \"1\") (.Result.title_filename) }}{{ .Result.title_filename }}{{ else }}{{ .Result.title_optional }}{{ end }}"
-# json UNIT3D 8.0.1
diff --git a/src/Jackett.Updater/Program.cs b/src/Jackett.Updater/Program.cs
index 6d24bd4c1..1be05cc5c 100644
--- a/src/Jackett.Updater/Program.cs
+++ b/src/Jackett.Updater/Program.cs
@@ -284,6 +284,7 @@ namespace Jackett.Updater
                 "Definitions/asgaard.yml",
                 "Definitions/ast4u.yml", // renamed to animeworld #10578
                 "Definitions/asylumshare.yml",
+                "Definitions/at12project.yml",
                 "Definitions/audiobookbay.yml", // migrated to C#
                 "Definitions/audiobooktorrents.yml", // renamed to abtorrents
                 "Definitions/avg.yml",