diff --git a/lib/pleroma/web/mastodon_api/controllers/filter_controller.ex b/lib/pleroma/web/mastodon_api/controllers/filter_controller.ex
new file mode 100644
index 000000000..19041304e
--- /dev/null
+++ b/lib/pleroma/web/mastodon_api/controllers/filter_controller.ex
@@ -0,0 +1,72 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule Pleroma.Web.MastodonAPI.FilterController do
+  use Pleroma.Web, :controller
+
+  alias Pleroma.Filter
+
+  @doc "GET /api/v1/filters"
+  def index(%{assigns: %{user: user}} = conn, _) do
+    filters = Filter.get_filters(user)
+
+    render(conn, "filters.json", filters: filters)
+  end
+
+  @doc "POST /api/v1/filters"
+  def create(
+        %{assigns: %{user: user}} = conn,
+        %{"phrase" => phrase, "context" => context} = params
+      ) do
+    query = %Filter{
+      user_id: user.id,
+      phrase: phrase,
+      context: context,
+      hide: Map.get(params, "irreversible", false),
+      whole_word: Map.get(params, "boolean", true)
+      # expires_at
+    }
+
+    {:ok, response} = Filter.create(query)
+
+    render(conn, "filter.json", filter: response)
+  end
+
+  @doc "GET /api/v1/filters/:id"
+  def show(%{assigns: %{user: user}} = conn, %{"id" => filter_id}) do
+    filter = Filter.get(filter_id, user)
+
+    render(conn, "filter.json", filter: filter)
+  end
+
+  @doc "PUT /api/v1/filters/:id"
+  def update(
+        %{assigns: %{user: user}} = conn,
+        %{"phrase" => phrase, "context" => context, "id" => filter_id} = params
+      ) do
+    query = %Filter{
+      user_id: user.id,
+      filter_id: filter_id,
+      phrase: phrase,
+      context: context,
+      hide: Map.get(params, "irreversible", nil),
+      whole_word: Map.get(params, "boolean", true)
+      # expires_at
+    }
+
+    {:ok, response} = Filter.update(query)
+    render(conn, "filter.json", filter: response)
+  end
+
+  @doc "DELETE /api/v1/filters/:id"
+  def delete(%{assigns: %{user: user}} = conn, %{"id" => filter_id}) do
+    query = %Filter{
+      user_id: user.id,
+      filter_id: filter_id
+    }
+
+    {:ok, _} = Filter.delete(query)
+    json(conn, %{})
+  end
+end
diff --git a/lib/pleroma/web/mastodon_api/controllers/mastodon_api_controller.ex b/lib/pleroma/web/mastodon_api/controllers/mastodon_api_controller.ex
index 82bba43e5..9e2382483 100644
--- a/lib/pleroma/web/mastodon_api/controllers/mastodon_api_controller.ex
+++ b/lib/pleroma/web/mastodon_api/controllers/mastodon_api_controller.ex
@@ -14,7 +14,6 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
   alias Pleroma.Config
   alias Pleroma.Conversation.Participation
   alias Pleroma.Emoji
-  alias Pleroma.Filter
   alias Pleroma.HTTP
   alias Pleroma.Object
   alias Pleroma.Pagination
@@ -30,7 +29,6 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
   alias Pleroma.Web.MastodonAPI.AccountView
   alias Pleroma.Web.MastodonAPI.AppView
   alias Pleroma.Web.MastodonAPI.ConversationView
-  alias Pleroma.Web.MastodonAPI.FilterView
   alias Pleroma.Web.MastodonAPI.ListView
   alias Pleroma.Web.MastodonAPI.MastodonAPI
   alias Pleroma.Web.MastodonAPI.MastodonView
@@ -1040,65 +1038,6 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
     json(conn, %{})
   end
 
-  def get_filters(%{assigns: %{user: user}} = conn, _) do
-    filters = Filter.get_filters(user)
-    res = FilterView.render("filters.json", filters: filters)
-    json(conn, res)
-  end
-
-  def create_filter(
-        %{assigns: %{user: user}} = conn,
-        %{"phrase" => phrase, "context" => context} = params
-      ) do
-    query = %Filter{
-      user_id: user.id,
-      phrase: phrase,
-      context: context,
-      hide: Map.get(params, "irreversible", false),
-      whole_word: Map.get(params, "boolean", true)
-      # expires_at
-    }
-
-    {:ok, response} = Filter.create(query)
-    res = FilterView.render("filter.json", filter: response)
-    json(conn, res)
-  end
-
-  def get_filter(%{assigns: %{user: user}} = conn, %{"id" => filter_id}) do
-    filter = Filter.get(filter_id, user)
-    res = FilterView.render("filter.json", filter: filter)
-    json(conn, res)
-  end
-
-  def update_filter(
-        %{assigns: %{user: user}} = conn,
-        %{"phrase" => phrase, "context" => context, "id" => filter_id} = params
-      ) do
-    query = %Filter{
-      user_id: user.id,
-      filter_id: filter_id,
-      phrase: phrase,
-      context: context,
-      hide: Map.get(params, "irreversible", nil),
-      whole_word: Map.get(params, "boolean", true)
-      # expires_at
-    }
-
-    {:ok, response} = Filter.update(query)
-    res = FilterView.render("filter.json", filter: response)
-    json(conn, res)
-  end
-
-  def delete_filter(%{assigns: %{user: user}} = conn, %{"id" => filter_id}) do
-    query = %Filter{
-      user_id: user.id,
-      filter_id: filter_id
-    }
-
-    {:ok, _} = Filter.delete(query)
-    json(conn, %{})
-  end
-
   def suggestions(%{assigns: %{user: user}} = conn, _) do
     suggestions = Config.get(:suggestions)
 
diff --git a/lib/pleroma/web/router.ex b/lib/pleroma/web/router.ex
index 8bf55631e..30ebf435c 100644
--- a/lib/pleroma/web/router.ex
+++ b/lib/pleroma/web/router.ex
@@ -348,7 +348,7 @@ defmodule Pleroma.Web.Router do
 
       get("/domain_blocks", MastodonAPIController, :domain_blocks)
 
-      get("/filters", MastodonAPIController, :get_filters)
+      get("/filters", FilterController, :index)
 
       get("/suggestions", MastodonAPIController, :suggestions)
 
@@ -392,10 +392,10 @@ defmodule Pleroma.Web.Router do
       post("/lists/:id/accounts", ListController, :add_to_list)
       delete("/lists/:id/accounts", ListController, :remove_from_list)
 
-      post("/filters", MastodonAPIController, :create_filter)
-      get("/filters/:id", MastodonAPIController, :get_filter)
-      put("/filters/:id", MastodonAPIController, :update_filter)
-      delete("/filters/:id", MastodonAPIController, :delete_filter)
+      post("/filters", FilterController, :create)
+      get("/filters/:id", FilterController, :show)
+      put("/filters/:id", FilterController, :update)
+      delete("/filters/:id", FilterController, :delete)
 
       patch("/pleroma/accounts/update_avatar", MastodonAPIController, :update_avatar)
       patch("/pleroma/accounts/update_banner", MastodonAPIController, :update_banner)
diff --git a/test/web/mastodon_api/controllers/filter_controller_test.exs b/test/web/mastodon_api/controllers/filter_controller_test.exs
new file mode 100644
index 000000000..5d5b56c8e
--- /dev/null
+++ b/test/web/mastodon_api/controllers/filter_controller_test.exs
@@ -0,0 +1,137 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule Pleroma.Web.MastodonAPI.FilterControllerTest do
+  use Pleroma.Web.ConnCase, async: true
+
+  alias Pleroma.Web.MastodonAPI.FilterView
+
+  import Pleroma.Factory
+
+  test "creating a filter", %{conn: conn} do
+    user = insert(:user)
+
+    filter = %Pleroma.Filter{
+      phrase: "knights",
+      context: ["home"]
+    }
+
+    conn =
+      conn
+      |> assign(:user, user)
+      |> post("/api/v1/filters", %{"phrase" => filter.phrase, context: filter.context})
+
+    assert response = json_response(conn, 200)
+    assert response["phrase"] == filter.phrase
+    assert response["context"] == filter.context
+    assert response["irreversible"] == false
+    assert response["id"] != nil
+    assert response["id"] != ""
+  end
+
+  test "fetching a list of filters", %{conn: conn} do
+    user = insert(:user)
+
+    query_one = %Pleroma.Filter{
+      user_id: user.id,
+      filter_id: 1,
+      phrase: "knights",
+      context: ["home"]
+    }
+
+    query_two = %Pleroma.Filter{
+      user_id: user.id,
+      filter_id: 2,
+      phrase: "who",
+      context: ["home"]
+    }
+
+    {:ok, filter_one} = Pleroma.Filter.create(query_one)
+    {:ok, filter_two} = Pleroma.Filter.create(query_two)
+
+    response =
+      conn
+      |> assign(:user, user)
+      |> get("/api/v1/filters")
+      |> json_response(200)
+
+    assert response ==
+             render_json(
+               FilterView,
+               "filters.json",
+               filters: [filter_two, filter_one]
+             )
+  end
+
+  test "get a filter", %{conn: conn} do
+    user = insert(:user)
+
+    query = %Pleroma.Filter{
+      user_id: user.id,
+      filter_id: 2,
+      phrase: "knight",
+      context: ["home"]
+    }
+
+    {:ok, filter} = Pleroma.Filter.create(query)
+
+    conn =
+      conn
+      |> assign(:user, user)
+      |> get("/api/v1/filters/#{filter.filter_id}")
+
+    assert _response = json_response(conn, 200)
+  end
+
+  test "update a filter", %{conn: conn} do
+    user = insert(:user)
+
+    query = %Pleroma.Filter{
+      user_id: user.id,
+      filter_id: 2,
+      phrase: "knight",
+      context: ["home"]
+    }
+
+    {:ok, _filter} = Pleroma.Filter.create(query)
+
+    new = %Pleroma.Filter{
+      phrase: "nii",
+      context: ["home"]
+    }
+
+    conn =
+      conn
+      |> assign(:user, user)
+      |> put("/api/v1/filters/#{query.filter_id}", %{
+        phrase: new.phrase,
+        context: new.context
+      })
+
+    assert response = json_response(conn, 200)
+    assert response["phrase"] == new.phrase
+    assert response["context"] == new.context
+  end
+
+  test "delete a filter", %{conn: conn} do
+    user = insert(:user)
+
+    query = %Pleroma.Filter{
+      user_id: user.id,
+      filter_id: 2,
+      phrase: "knight",
+      context: ["home"]
+    }
+
+    {:ok, filter} = Pleroma.Filter.create(query)
+
+    conn =
+      conn
+      |> assign(:user, user)
+      |> delete("/api/v1/filters/#{filter.filter_id}")
+
+    assert response = json_response(conn, 200)
+    assert response == %{}
+  end
+end
diff --git a/test/web/mastodon_api/mastodon_api_controller_test.exs b/test/web/mastodon_api/mastodon_api_controller_test.exs
index 6435ad7a9..9c6cdbd7a 100644
--- a/test/web/mastodon_api/mastodon_api_controller_test.exs
+++ b/test/web/mastodon_api/mastodon_api_controller_test.exs
@@ -16,7 +16,6 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIControllerTest do
   alias Pleroma.User
   alias Pleroma.Web.ActivityPub.ActivityPub
   alias Pleroma.Web.CommonAPI
-  alias Pleroma.Web.MastodonAPI.FilterView
   alias Pleroma.Web.OAuth.App
   alias Pleroma.Web.OAuth.Token
   alias Pleroma.Web.Push
@@ -268,134 +267,6 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIControllerTest do
     assert expected == json_response(conn, 200)
   end
 
-  describe "filters" do
-    test "creating a filter", %{conn: conn} do
-      user = insert(:user)
-
-      filter = %Pleroma.Filter{
-        phrase: "knights",
-        context: ["home"]
-      }
-
-      conn =
-        conn
-        |> assign(:user, user)
-        |> post("/api/v1/filters", %{"phrase" => filter.phrase, context: filter.context})
-
-      assert response = json_response(conn, 200)
-      assert response["phrase"] == filter.phrase
-      assert response["context"] == filter.context
-      assert response["irreversible"] == false
-      assert response["id"] != nil
-      assert response["id"] != ""
-    end
-
-    test "fetching a list of filters", %{conn: conn} do
-      user = insert(:user)
-
-      query_one = %Pleroma.Filter{
-        user_id: user.id,
-        filter_id: 1,
-        phrase: "knights",
-        context: ["home"]
-      }
-
-      query_two = %Pleroma.Filter{
-        user_id: user.id,
-        filter_id: 2,
-        phrase: "who",
-        context: ["home"]
-      }
-
-      {:ok, filter_one} = Pleroma.Filter.create(query_one)
-      {:ok, filter_two} = Pleroma.Filter.create(query_two)
-
-      response =
-        conn
-        |> assign(:user, user)
-        |> get("/api/v1/filters")
-        |> json_response(200)
-
-      assert response ==
-               render_json(
-                 FilterView,
-                 "filters.json",
-                 filters: [filter_two, filter_one]
-               )
-    end
-
-    test "get a filter", %{conn: conn} do
-      user = insert(:user)
-
-      query = %Pleroma.Filter{
-        user_id: user.id,
-        filter_id: 2,
-        phrase: "knight",
-        context: ["home"]
-      }
-
-      {:ok, filter} = Pleroma.Filter.create(query)
-
-      conn =
-        conn
-        |> assign(:user, user)
-        |> get("/api/v1/filters/#{filter.filter_id}")
-
-      assert _response = json_response(conn, 200)
-    end
-
-    test "update a filter", %{conn: conn} do
-      user = insert(:user)
-
-      query = %Pleroma.Filter{
-        user_id: user.id,
-        filter_id: 2,
-        phrase: "knight",
-        context: ["home"]
-      }
-
-      {:ok, _filter} = Pleroma.Filter.create(query)
-
-      new = %Pleroma.Filter{
-        phrase: "nii",
-        context: ["home"]
-      }
-
-      conn =
-        conn
-        |> assign(:user, user)
-        |> put("/api/v1/filters/#{query.filter_id}", %{
-          phrase: new.phrase,
-          context: new.context
-        })
-
-      assert response = json_response(conn, 200)
-      assert response["phrase"] == new.phrase
-      assert response["context"] == new.context
-    end
-
-    test "delete a filter", %{conn: conn} do
-      user = insert(:user)
-
-      query = %Pleroma.Filter{
-        user_id: user.id,
-        filter_id: 2,
-        phrase: "knight",
-        context: ["home"]
-      }
-
-      {:ok, filter} = Pleroma.Filter.create(query)
-
-      conn =
-        conn
-        |> assign(:user, user)
-        |> delete("/api/v1/filters/#{filter.filter_id}")
-
-      assert response = json_response(conn, 200)
-      assert response == %{}
-    end
-  end
-
   describe "user timelines" do
     test "gets a users statuses", %{conn: conn} do
       user_one = insert(:user)