diff --git a/README.md b/README.md
index 597bed1bd..bab20a0d9 100644
--- a/README.md
+++ b/README.md
@@ -104,7 +104,6 @@ A third-party Golang SDK for Jackett is available from [webtor-io/go-jackett](ht
  * NNTT
  * NoNaMe Club (NNM-Club)
  * Nyaa.si
- * OnceSearch
  * OneJAV
  * OpenSharing
  * OxTorrent
diff --git a/src/Jackett.Common/Definitions/oncesearch.yml b/src/Jackett.Common/Definitions/oncesearch.yml
deleted file mode 100644
index 21f703e63..000000000
--- a/src/Jackett.Common/Definitions/oncesearch.yml
+++ /dev/null
@@ -1,142 +0,0 @@
----
-id: oncesearch
-name: OnceSearch
-description: "OnceSearch is a Public Torrent Tracker for 3X"
-language: en-US
-type: public
-encoding: UTF-8
-links:
-  - http://oncesearch.com/ # https is not supported
-
-caps:
-  categories:
-    Amateur: XXX
-    Anal: XXX
-    Anime: XXX
-    Asian: XXX
-    Ass Lick: XXX
-    BBW: XXX
-    BDSM: XXX
-    Bi-Sexual: XXX
-    Big Ass: XXX
-    Big Butts: XXX
-    Big Dick: XXX
-    Big Tits: XXX
-    Blonde: XXX
-    Blowjob: XXX
-    Brunette: XXX
-    Busty: XXX
-    Classic: XXX
-    Comics: XXX
-    Creampie: XXX
-    Cumshot: XXX
-    Deepthroat: XXX
-    Ebony: XXX
-    Erotic: XXX
-    Facial: XXX
-    Fetish: XXX
-    Fishnets: XXX
-    Fisting: XXX
-    Foot: XXX
-    Foreign: XXX
-    Gangbang: XXX
-    Gay: XXX
-    Glamour Girls: XXX
-    Gonzo: XXX
-    Group Sex: XXX
-    Hairy: XXX
-    Handjob: XXX
-    Hardcore: XXX
-    Homemade: XXX
-    Interracial: XXX
-    Latin: XXX
-    Lesbian: XXX
-    Lingerie: XXX
-    Massage: XXX
-    Masturbation: XXX
-    Mature: XXX
-    MILF: XXX
-    Nude Photography: XXX
-    Nylons: XXX
-    Oiled: XXX
-    Oral: XXX
-    Orgy: XXX
-    Outdoor: XXX
-    Pissing: XXX
-    Pregnant: XXX
-    Public: XXX
-    Redhead: XXX
-    Retro: XXX
-    Sex Toys: XXX
-    Shemale: XXX
-    Solo: XXX
-    Squirt: XXX
-    Tattoo: XXX
-    Teen: XXX
-    Threesome: XXX
-    Uncensored: XXX
-    XXX: XXX
-    Porno Clips: XXX
-    Porno HD Movies: XXX
-    Porno Other: XXX
-    Porno Pics: XXX
-
-  modes:
-    search: [q]
-
-settings: []
-
-search:
-  paths:
-    # http://oncesearch.com/search/advanced/-/Olivia%20Sin%20Deep/0/any
-    # http://oncesearch.com/category/latest-torrents
-    # site supports only single cat search so we default to all
-    - path: "{{ if .Keywords }}search/advanced/-/{{ .Keywords }}/0/any{{ else }}category/latest-torrents{{ end }}"
-
-  rows:
-    selector: table.table-striped > tbody > tr
-    filters:
-      - name: andmatch
-
-  fields:
-    category:
-      text: XXX
-    category|noappend:
-      optional: true
-      selector: p > a:last-of-type
-    title:
-      selector: span
-    details:
-      selector: a[href^="/details/"]
-      attribute: href
-    download:
-      selector: a[href^="/file/"][title="Download Torrent"]
-      attribute: href
-      optional: true
-    magnet:
-      selector: a[href^="magnet:?xt="]
-      attribute: href
-      optional: true
-    date:
-      selector: td:nth-child(3)
-      filters:
-        - name: timeago
-    files_optional:
-      selector: td:nth-child(4)
-      optional: true
-    files:
-      text: "{{ if .Result.files_optional }}{{ .Result.files_optional }}{{ else }}1{{ end }}"
-    size_optional:
-      selector: td:nth-child(5)
-      optional: true
-    size:
-      text: "{{ if .Result.size_optional }}{{ .Result.size_optional }}{{ else }}256 MB{{ end }}"
-    seeders:
-      text: 1
-    leechers:
-      text: 0
-    downloadvolumefactor:
-      text: 0
-    uploadvolumefactor:
-      text: 1
-# engine n/a
diff --git a/src/Jackett.Updater/Program.cs b/src/Jackett.Updater/Program.cs
index 3c5701655..85aef0c9b 100644
--- a/src/Jackett.Updater/Program.cs
+++ b/src/Jackett.Updater/Program.cs
@@ -415,6 +415,7 @@ namespace Jackett.Updater
                 "Definitions/onlineselfeducation.yml",
                 "Definitions/onlyscene.yml",
                 "Definitions/obscure.yml",
+                "Definitions/oncesearch.yml",
                 "Definitions/passionetorrent.yml",
                 "Definitions/pleasuredome.yml",
                 "Definitions/polishtracker.yml",