9 files changed, 14 insertions, 17 deletions
diff --git a/docs/installation/alpine_linux_en.md b/docs/installation/alpine_linux_en.md
index c726d559f..a5683f18c 100644
--- a/docs/installation/alpine_linux_en.md
+++ b/docs/installation/alpine_linux_en.md
@@ -14,6 +14,7 @@ It assumes that you have administrative rights, either as root or a user with [s
 * `erlang-xmerl`
 * `git`
 * Development Tools
+* `cmake`
 
 #### Optional packages used in this guide
 
@@ -39,7 +40,7 @@ sudo apk upgrade
 * Install some tools, which are needed later:
 
 ```shell
-sudo apk add git build-base
+sudo apk add git build-base cmake
 ```
 
 ### Install Elixir and Erlang
diff --git a/docs/installation/arch_linux_en.md b/docs/installation/arch_linux_en.md
index bf9cfb488..7fb69dd60 100644
--- a/docs/installation/arch_linux_en.md
+++ b/docs/installation/arch_linux_en.md
@@ -9,6 +9,7 @@ This guide will assume that you have administrative rights, either as root or a
 * `elixir`
 * `git`
 * `base-devel`
+* `cmake`
 
 #### Optional packages used in this guide
 
@@ -26,7 +27,7 @@ sudo pacman -Syu
 * Install some of the above mentioned programs:
 
 ```shell
-sudo pacman -S git base-devel elixir
+sudo pacman -S git base-devel elixir cmake
 ```
 
 ### Install PostgreSQL
diff --git a/docs/installation/debian_based_en.md b/docs/installation/debian_based_en.md
index 8ae5044b5..60c2f47e5 100644
--- a/docs/installation/debian_based_en.md
+++ b/docs/installation/debian_based_en.md
@@ -12,6 +12,7 @@ This guide will assume you are on Debian Stretch. This guide should also work wi
 * `erlang-nox`
 * `git`
 * `build-essential`
+* `cmake`
 
 #### Optional packages used in this guide
 
@@ -30,7 +31,7 @@ sudo apt full-upgrade
 * Install some of the above mentioned programs:
 
 ```shell
-sudo apt install git build-essential postgresql postgresql-contrib
+sudo apt install git build-essential postgresql postgresql-contrib cmake
 ```
 
 ### Install Elixir and Erlang
diff --git a/docs/installation/debian_based_jp.md b/docs/installation/debian_based_jp.md
index 42e91cda7..c2dd840d3 100644
--- a/docs/installation/debian_based_jp.md
+++ b/docs/installation/debian_based_jp.md
@@ -16,6 +16,7 @@
 - `erlang-nox`
 - `git`
 - `build-essential`
+- `cmake`
 
 #### このガイドで利用している追加パッケージ
 
@@ -32,7 +33,7 @@ sudo apt full-upgrade
 
 * 上記に挙げたパッケージをインストールしておきます。
 ```
-sudo apt install git build-essential postgresql postgresql-contrib
+sudo apt install git build-essential postgresql postgresql-contrib cmake
 ```
 
 
diff --git a/docs/installation/gentoo_en.md b/docs/installation/gentoo_en.md
index 32152aea7..5a676380c 100644
--- a/docs/installation/gentoo_en.md
+++ b/docs/installation/gentoo_en.md
@@ -28,6 +28,7 @@ Gentoo quite pointedly does not come with a cron daemon installed, and as such i
 * `dev-db/postgresql`
 * `dev-lang/elixir`
 * `dev-vcs/git`
+* `dev-util/cmake`
 
 #### Optional ebuilds used in this guide
 
@@ -46,7 +47,7 @@ Gentoo quite pointedly does not come with a cron daemon installed, and as such i
 * Emerge all required the required and suggested software in one go:
 
 ```shell
- # emerge --ask dev-db/postgresql dev-lang/elixir dev-vcs/git www-servers/nginx app-crypt/certbot app-crypt/certbot-nginx
+ # emerge --ask dev-db/postgresql dev-lang/elixir dev-vcs/git www-servers/nginx app-crypt/certbot app-crypt/certbot-nginx dev-util/cmake
 ```
 
 If you would not like to install the optional packages, remove them from this line. 
diff --git a/docs/installation/netbsd_en.md b/docs/installation/netbsd_en.md
index 3626acc69..6ad0de2f6 100644
--- a/docs/installation/netbsd_en.md
+++ b/docs/installation/netbsd_en.md
@@ -19,6 +19,7 @@ databases/postgresql11-client
 databases/postgresql11-server
 devel/git-base
 devel/git-docs
+devel/cmake
 lang/elixir
 security/acmesh
 security/sudo
diff --git a/docs/installation/openbsd_en.md b/docs/installation/openbsd_en.md
index 5dbe24f75..eee452845 100644
--- a/docs/installation/openbsd_en.md
+++ b/docs/installation/openbsd_en.md
@@ -14,11 +14,12 @@ The following packages need to be installed:
   * git
   * postgresql-server
   * postgresql-contrib
+  * cmake
 
 To install them, run the following command (with doas or as root):
 
 ```
-pkg_add elixir gmake ImageMagick git postgresql-server postgresql-contrib
+pkg_add elixir gmake ImageMagick git postgresql-server postgresql-contrib cmake
 ```
 
 Pleroma requires a reverse proxy, OpenBSD has relayd in base (and is used in this guide) and packages/ports are available for nginx (www/nginx) and apache (www/apache-httpd). Independently of the reverse proxy, [acme-client(1)](https://man.openbsd.org/acme-client) can be used to get a certificate from Let's Encrypt.
diff --git a/docs/installation/openbsd_fi.md b/docs/installation/openbsd_fi.md
index 272273cff..b5b5056a9 100644
--- a/docs/installation/openbsd_fi.md
+++ b/docs/installation/openbsd_fi.md
@@ -16,7 +16,7 @@ Matrix-kanava #freenode_#pleroma:matrix.org ovat hyviä paikkoja löytää apua
 
 Asenna tarvittava ohjelmisto:
 
-`# pkg_add git elixir gmake postgresql-server-10.3 postgresql-contrib-10.3`
+`# pkg_add git elixir gmake postgresql-server-10.3 postgresql-contrib-10.3 cmake`
 
 Luo postgresql-tietokanta:
 
diff --git a/lib/pleroma/web/activity_pub/transmogrifier.ex b/lib/pleroma/web/activity_pub/transmogrifier.ex
index 7381d4476..2f04cc6ff 100644
--- a/lib/pleroma/web/activity_pub/transmogrifier.ex
+++ b/lib/pleroma/web/activity_pub/transmogrifier.ex
@@ -644,16 +644,6 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do
     end
   end
 
-  def handle_incoming(
-        %{"type" => "Create", "object" => %{"type" => "ChatMessage"}} = data,
-        _options
-      ) do
-    with {:ok, %User{}} <- ObjectValidator.fetch_actor(data),
-         {:ok, activity, _} <- Pipeline.common_pipeline(data, local: false) do
-      {:ok, activity}
-    end
-  end
-
   def handle_incoming(%{"type" => type} = data, _options)
       when type in ~w{Like EmojiReact Announce} do
     with :ok <- ObjectValidator.fetch_actor_and_object(data),