diff --git a/lib/healthcheck.ex b/lib/healthcheck.ex
index 646fb3b9d..32aafc210 100644
--- a/lib/healthcheck.ex
+++ b/lib/healthcheck.ex
@@ -29,13 +29,13 @@ defmodule Pleroma.Healthcheck do
   end
 
   defp assign_db_info(healthcheck) do
-    database = Application.get_env(:pleroma, Repo)[:database]
+    database = Pleroma.Config.get([Repo, :database])
 
     query =
       "select state, count(pid) from pg_stat_activity where datname = '#{database}' group by state;"
 
     result = Repo.query!(query)
-    pool_size = Application.get_env(:pleroma, Repo)[:pool_size]
+    pool_size = Pleroma.Config.get([Repo, :pool_size])
 
     db_info =
       Enum.reduce(result.rows, %{active: 0, idle: 0}, fn [state, cnt], states ->
diff --git a/lib/pleroma/emoji.ex b/lib/pleroma/emoji.ex
index 6390cce4c..7d12eff7f 100644
--- a/lib/pleroma/emoji.ex
+++ b/lib/pleroma/emoji.ex
@@ -22,7 +22,7 @@ defmodule Pleroma.Emoji do
 
   @ets __MODULE__.Ets
   @ets_options [:ordered_set, :protected, :named_table, {:read_concurrency, true}]
-  @groups Application.get_env(:pleroma, :emoji)[:groups]
+  @groups Pleroma.Config.get([:emoji, :groups])
 
   @doc false
   def start_link do
@@ -112,7 +112,7 @@ defmodule Pleroma.Emoji do
 
     # Compat thing for old custom emoji handling & default emoji,
     # it should run even if there are no emoji packs
-    shortcode_globs = Application.get_env(:pleroma, :emoji)[:shortcode_globs] || []
+    shortcode_globs = Pleroma.Config.get([:emoji, :shortcode_globs], [])
 
     emojis =
       (load_from_file("config/emoji.txt") ++
diff --git a/lib/pleroma/html.ex b/lib/pleroma/html.ex
index d1da746de..e5e78ee4f 100644
--- a/lib/pleroma/html.ex
+++ b/lib/pleroma/html.ex
@@ -104,7 +104,6 @@ defmodule Pleroma.HTML.Scrubber.TwitterText do
   paragraphs, breaks and links are allowed through the filter.
   """
 
-  @markup Application.get_env(:pleroma, :markup)
   @valid_schemes Pleroma.Config.get([:uri_schemes, :valid_schemes], [])
 
   require HtmlSanitizeEx.Scrubber.Meta
@@ -142,9 +141,7 @@ defmodule Pleroma.HTML.Scrubber.TwitterText do
   Meta.allow_tag_with_these_attributes("span", [])
 
   # allow inline images for custom emoji
-  @allow_inline_images Keyword.get(@markup, :allow_inline_images)
-
-  if @allow_inline_images do
+  if Pleroma.Config.get([:markup, :allow_inline_images]) do
     # restrict img tags to http/https only, because of MediaProxy.
     Meta.allow_tag_with_uri_attributes("img", ["src"], ["http", "https"])
 
@@ -168,7 +165,6 @@ defmodule Pleroma.HTML.Scrubber.Default do
   # credo:disable-for-previous-line
   # No idea how to fix this one…
 
-  @markup Application.get_env(:pleroma, :markup)
   @valid_schemes Pleroma.Config.get([:uri_schemes, :valid_schemes], [])
 
   Meta.remove_cdata_sections_before_scrub()
@@ -213,7 +209,7 @@ defmodule Pleroma.HTML.Scrubber.Default do
   Meta.allow_tag_with_this_attribute_values("span", "class", ["h-card"])
   Meta.allow_tag_with_these_attributes("span", [])
 
-  @allow_inline_images Keyword.get(@markup, :allow_inline_images)
+  @allow_inline_images Pleroma.Config.get([:markup, :allow_inline_images])
 
   if @allow_inline_images do
     # restrict img tags to http/https only, because of MediaProxy.
@@ -228,9 +224,7 @@ defmodule Pleroma.HTML.Scrubber.Default do
     ])
   end
 
-  @allow_tables Keyword.get(@markup, :allow_tables)
-
-  if @allow_tables do
+  if Pleroma.Config.get([:markup, :allow_tables]) do
     Meta.allow_tag_with_these_attributes("table", [])
     Meta.allow_tag_with_these_attributes("tbody", [])
     Meta.allow_tag_with_these_attributes("td", [])
@@ -239,9 +233,7 @@ defmodule Pleroma.HTML.Scrubber.Default do
     Meta.allow_tag_with_these_attributes("tr", [])
   end
 
-  @allow_headings Keyword.get(@markup, :allow_headings)
-
-  if @allow_headings do
+  if Pleroma.Config.get([:markup, :allow_headings]) do
     Meta.allow_tag_with_these_attributes("h1", [])
     Meta.allow_tag_with_these_attributes("h2", [])
     Meta.allow_tag_with_these_attributes("h3", [])
@@ -249,9 +241,7 @@ defmodule Pleroma.HTML.Scrubber.Default do
     Meta.allow_tag_with_these_attributes("h5", [])
   end
 
-  @allow_fonts Keyword.get(@markup, :allow_fonts)
-
-  if @allow_fonts do
+  if Pleroma.Config.get([:markup, :allow_fonts]) do
     Meta.allow_tag_with_these_attributes("font", ["face"])
   end
 
diff --git a/lib/pleroma/http/http.ex b/lib/pleroma/http/http.ex
index c5f720bc9..c96ee7353 100644
--- a/lib/pleroma/http/http.ex
+++ b/lib/pleroma/http/http.ex
@@ -65,12 +65,9 @@ defmodule Pleroma.HTTP do
   end
 
   def process_request_options(options) do
-    config = Application.get_env(:pleroma, :http, [])
-    proxy = Keyword.get(config, :proxy_url, nil)
-
-    case proxy do
+    case Pleroma.Config.get([:http, :proxy_url]) do
       nil -> options
-      _ -> options ++ [proxy: proxy]
+      proxy -> options ++ [proxy: proxy]
     end
   end
 
diff --git a/lib/pleroma/plugs/federating_plug.ex b/lib/pleroma/plugs/federating_plug.ex
index effc154bf..4dc4e9279 100644
--- a/lib/pleroma/plugs/federating_plug.ex
+++ b/lib/pleroma/plugs/federating_plug.ex
@@ -10,7 +10,7 @@ defmodule Pleroma.Web.FederatingPlug do
   end
 
   def call(conn, _opts) do
-    if Keyword.get(Application.get_env(:pleroma, :instance), :federating) do
+    if Pleroma.Config.get([:instance, :federating]) do
       conn
     else
       conn
diff --git a/lib/pleroma/reverse_proxy.ex b/lib/pleroma/reverse_proxy.ex
index 6e5feb4c3..983e156f5 100644
--- a/lib/pleroma/reverse_proxy.ex
+++ b/lib/pleroma/reverse_proxy.ex
@@ -61,7 +61,7 @@ defmodule Pleroma.ReverseProxy do
   * `http`: options for [hackney](https://github.com/benoitc/hackney).
 
   """
-  @hackney Application.get_env(:pleroma, :hackney, :hackney)
+  @hackney Pleroma.Config.get(:hackney, :hackney)
 
   @default_hackney_options []
 
diff --git a/lib/pleroma/user.ex b/lib/pleroma/user.ex
index 653dec95f..5c91dc7d4 100644
--- a/lib/pleroma/user.ex
+++ b/lib/pleroma/user.ex
@@ -366,9 +366,7 @@ defmodule Pleroma.User do
   end
 
   def follow(%User{} = follower, %User{info: info} = followed) do
-    user_config = Application.get_env(:pleroma, :user)
-    deny_follow_blocked = Keyword.get(user_config, :deny_follow_blocked)
-
+    deny_follow_blocked = Pleroma.Config.get([:user, :deny_follow_blocked])
     ap_followers = followed.follower_address
 
     cond do
diff --git a/lib/pleroma/web/activity_pub/activity_pub.ex b/lib/pleroma/web/activity_pub/activity_pub.ex
index aa0229db7..bdd7e78d2 100644
--- a/lib/pleroma/web/activity_pub/activity_pub.ex
+++ b/lib/pleroma/web/activity_pub/activity_pub.ex
@@ -399,16 +399,12 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do
   end
 
   def block(blocker, blocked, activity_id \\ nil, local \\ true) do
-    ap_config = Application.get_env(:pleroma, :activitypub)
-    unfollow_blocked = Keyword.get(ap_config, :unfollow_blocked)
-    outgoing_blocks = Keyword.get(ap_config, :outgoing_blocks)
+    outgoing_blocks = Pleroma.Config.get([:activitypub, :outgoing_blocks])
+    unfollow_blocked = Pleroma.Config.get([:activitypub, :unfollow_blocked])
 
-    with true <- unfollow_blocked do
+    if unfollow_blocked do
       follow_activity = fetch_latest_follow(blocker, blocked)
-
-      if follow_activity do
-        unfollow(blocker, blocked, nil, local)
-      end
+      if follow_activity, do: unfollow(blocker, blocked, nil, local)
     end
 
     with true <- outgoing_blocks,
diff --git a/lib/pleroma/web/activity_pub/activity_pub_controller.ex b/lib/pleroma/web/activity_pub/activity_pub_controller.ex
index ad2ca1e54..0182bda46 100644
--- a/lib/pleroma/web/activity_pub/activity_pub_controller.ex
+++ b/lib/pleroma/web/activity_pub/activity_pub_controller.ex
@@ -27,7 +27,7 @@ defmodule Pleroma.Web.ActivityPub.ActivityPubController do
   plug(:relay_active? when action in [:relay])
 
   def relay_active?(conn, _) do
-    if Keyword.get(Application.get_env(:pleroma, :instance), :allow_relay) do
+    if Pleroma.Config.get([:instance, :allow_relay]) do
       conn
     else
       conn
diff --git a/lib/pleroma/web/activity_pub/mrf.ex b/lib/pleroma/web/activity_pub/mrf.ex
index 1aaa20050..3bf7955f3 100644
--- a/lib/pleroma/web/activity_pub/mrf.ex
+++ b/lib/pleroma/web/activity_pub/mrf.ex
@@ -17,9 +17,7 @@ defmodule Pleroma.Web.ActivityPub.MRF do
   end
 
   def get_policies do
-    Application.get_env(:pleroma, :instance, [])
-    |> Keyword.get(:rewrite_policy, [])
-    |> get_policies()
+    Pleroma.Config.get([:instance, :rewrite_policy], []) |> get_policies()
   end
 
   defp get_policies(policy) when is_atom(policy), do: [policy]
diff --git a/lib/pleroma/web/endpoint.ex b/lib/pleroma/web/endpoint.ex
index 8cd7a2270..bd76e4295 100644
--- a/lib/pleroma/web/endpoint.ex
+++ b/lib/pleroma/web/endpoint.ex
@@ -66,7 +66,7 @@ defmodule Pleroma.Web.Endpoint do
     parsers: [:urlencoded, :multipart, :json],
     pass: ["*/*"],
     json_decoder: Jason,
-    length: Application.get_env(:pleroma, :instance) |> Keyword.get(:upload_limit),
+    length: Pleroma.Config.get([:instance, :upload_limit]),
     body_reader: {Pleroma.Web.Plugs.DigestPlug, :read_body, []}
   )
 
diff --git a/lib/pleroma/web/media_proxy/media_proxy.ex b/lib/pleroma/web/media_proxy/media_proxy.ex
index 5762e767b..cee6d8481 100644
--- a/lib/pleroma/web/media_proxy/media_proxy.ex
+++ b/lib/pleroma/web/media_proxy/media_proxy.ex
@@ -12,25 +12,27 @@ defmodule Pleroma.Web.MediaProxy do
   def url("/" <> _ = url), do: url
 
   def url(url) do
-    config = Application.get_env(:pleroma, :media_proxy, [])
-    domain = URI.parse(url).host
-
-    cond do
-      !Keyword.get(config, :enabled, false) or String.starts_with?(url, Pleroma.Web.base_url()) ->
-        url
-
-      Enum.any?(Pleroma.Config.get([:media_proxy, :whitelist]), fn pattern ->
-        String.equivalent?(domain, pattern)
-      end) ->
-        url
-
-      true ->
-        encode_url(url)
+    if !enabled?() or local?(url) or whitelisted?(url) do
+      url
+    else
+      encode_url(url)
     end
   end
 
+  defp enabled?, do: Pleroma.Config.get([:media_proxy, :enabled], false)
+
+  defp local?(url), do: String.starts_with?(url, Pleroma.Web.base_url())
+
+  defp whitelisted?(url) do
+    %{host: domain} = URI.parse(url)
+
+    Enum.any?(Pleroma.Config.get([:media_proxy, :whitelist]), fn pattern ->
+      String.equivalent?(domain, pattern)
+    end)
+  end
+
   def encode_url(url) do
-    secret = Application.get_env(:pleroma, Pleroma.Web.Endpoint)[:secret_key_base]
+    secret = Pleroma.Config.get([Pleroma.Web.Endpoint, :secret_key_base])
 
     # Must preserve `%2F` for compatibility with S3
     # https://git.pleroma.social/pleroma/pleroma/issues/580
@@ -52,7 +54,7 @@ defmodule Pleroma.Web.MediaProxy do
   end
 
   def decode_url(sig, url) do
-    secret = Application.get_env(:pleroma, Pleroma.Web.Endpoint)[:secret_key_base]
+    secret = Pleroma.Config.get([Pleroma.Web.Endpoint, :secret_key_base])
     sig = Base.url_decode64!(sig, @base64_opts)
     local_sig = :crypto.hmac(:sha, secret, url)
 
diff --git a/lib/pleroma/web/nodeinfo/nodeinfo_controller.ex b/lib/pleroma/web/nodeinfo/nodeinfo_controller.ex
index 45f90c579..59f3d4e11 100644
--- a/lib/pleroma/web/nodeinfo/nodeinfo_controller.ex
+++ b/lib/pleroma/web/nodeinfo/nodeinfo_controller.ex
@@ -32,20 +32,15 @@ defmodule Pleroma.Web.Nodeinfo.NodeinfoController do
   # returns a nodeinfo 2.0 map, since 2.1 just adds a repository field
   # under software.
   def raw_nodeinfo do
-    instance = Application.get_env(:pleroma, :instance)
-    media_proxy = Application.get_env(:pleroma, :media_proxy)
-    suggestions = Application.get_env(:pleroma, :suggestions)
-    chat = Application.get_env(:pleroma, :chat)
-    gopher = Application.get_env(:pleroma, :gopher)
     stats = Stats.get_stats()
 
     mrf_simple =
-      Application.get_env(:pleroma, :mrf_simple)
+      Config.get(:mrf_simple)
       |> Enum.into(%{})
 
     # This horror is needed to convert regex sigils to strings
     mrf_keyword =
-      Application.get_env(:pleroma, :mrf_keyword, [])
+      Config.get(:mrf_keyword, [])
       |> Enum.map(fn {key, value} ->
         {key,
          Enum.map(value, fn
@@ -74,14 +69,7 @@ defmodule Pleroma.Web.Nodeinfo.NodeinfoController do
       MRF.get_policies()
       |> Enum.map(fn policy -> to_string(policy) |> String.split(".") |> List.last() end)
 
-    quarantined = Keyword.get(instance, :quarantined_instances)
-
-    quarantined =
-      if is_list(quarantined) do
-        quarantined
-      else
-        []
-      end
+    quarantined = Config.get([:instance, :quarantined_instances], [])
 
     staff_accounts =
       User.all_superusers()
@@ -92,7 +80,7 @@ defmodule Pleroma.Web.Nodeinfo.NodeinfoController do
       |> Enum.into(%{}, fn {k, v} -> {k, length(v)} end)
 
     federation_response =
-      if Keyword.get(instance, :mrf_transparency) do
+      if Config.get([:instance, :mrf_transparency]) do
         %{
           mrf_policies: mrf_policies,
           mrf_simple: mrf_simple,
@@ -109,22 +97,22 @@ defmodule Pleroma.Web.Nodeinfo.NodeinfoController do
         "pleroma_api",
         "mastodon_api",
         "mastodon_api_streaming",
-        if Keyword.get(media_proxy, :enabled) do
+        if Config.get([:media_proxy, :enabled]) do
           "media_proxy"
         end,
-        if Keyword.get(gopher, :enabled) do
+        if Config.get([:gopher, :enabled]) do
           "gopher"
         end,
-        if Keyword.get(chat, :enabled) do
+        if Config.get([:chat, :enabled]) do
           "chat"
         end,
-        if Keyword.get(suggestions, :enabled) do
+        if Config.get([:suggestions, :enabled]) do
           "suggestions"
         end,
-        if Keyword.get(instance, :allow_relay) do
+        if Config.get([:instance, :allow_relay]) do
           "relay"
         end,
-        if Keyword.get(instance, :safe_dm_mentions) do
+        if Config.get([:instance, :safe_dm_mentions]) do
           "safe_dm_mentions"
         end
       ]
@@ -141,7 +129,7 @@ defmodule Pleroma.Web.Nodeinfo.NodeinfoController do
         inbound: [],
         outbound: []
       },
-      openRegistrations: Keyword.get(instance, :registrations_open),
+      openRegistrations: Config.get([:instance, :registrations_open]),
       usage: %{
         users: %{
           total: stats.user_count || 0
@@ -149,29 +137,29 @@ defmodule Pleroma.Web.Nodeinfo.NodeinfoController do
         localPosts: stats.status_count || 0
       },
       metadata: %{
-        nodeName: Keyword.get(instance, :name),
-        nodeDescription: Keyword.get(instance, :description),
-        private: !Keyword.get(instance, :public, true),
+        nodeName: Config.get([:instance, :name]),
+        nodeDescription: Config.get([:instance, :description]),
+        private: !Config.get([:instance, :public], true),
         suggestions: %{
-          enabled: Keyword.get(suggestions, :enabled, false),
-          thirdPartyEngine: Keyword.get(suggestions, :third_party_engine, ""),
-          timeout: Keyword.get(suggestions, :timeout, 5000),
-          limit: Keyword.get(suggestions, :limit, 23),
-          web: Keyword.get(suggestions, :web, "")
+          enabled: Config.get([:suggestions, :enabled], false),
+          thirdPartyEngine: Config.get([:suggestions, :third_party_engine], ""),
+          timeout: Config.get([:suggestions, :timeout], 5000),
+          limit: Config.get([:suggestions, :limit], 23),
+          web: Config.get([:suggestions, :web], "")
         },
         staffAccounts: staff_accounts,
         federation: federation_response,
-        postFormats: Keyword.get(instance, :allowed_post_formats),
+        postFormats: Config.get([:instance, :allowed_post_formats]),
         uploadLimits: %{
-          general: Keyword.get(instance, :upload_limit),
-          avatar: Keyword.get(instance, :avatar_upload_limit),
-          banner: Keyword.get(instance, :banner_upload_limit),
-          background: Keyword.get(instance, :background_upload_limit)
+          general: Config.get([:instance, :upload_limit]),
+          avatar: Config.get([:instance, :avatar_upload_limit]),
+          banner: Config.get([:instance, :banner_upload_limit]),
+          background: Config.get([:instance, :background_upload_limit])
         },
-        accountActivationRequired: Keyword.get(instance, :account_activation_required, false),
-        invitesEnabled: Keyword.get(instance, :invites_enabled, false),
+        accountActivationRequired: Config.get([:instance, :account_activation_required], false),
+        invitesEnabled: Config.get([:instance, :invites_enabled], false),
         features: features,
-        restrictedNicknames: Pleroma.Config.get([Pleroma.User, :restricted_nicknames])
+        restrictedNicknames: Config.get([Pleroma.User, :restricted_nicknames])
       }
     }
   end
diff --git a/lib/pleroma/web/templates/layout/app.html.eex b/lib/pleroma/web/templates/layout/app.html.eex
index 3389c91cc..85ec4d76c 100644
--- a/lib/pleroma/web/templates/layout/app.html.eex
+++ b/lib/pleroma/web/templates/layout/app.html.eex
@@ -4,7 +4,7 @@
     <meta charset="utf-8" />
     <meta name="viewport" content="width=device-width,initial-scale=1,minimal-ui" />
     <title>
-    <%= Application.get_env(:pleroma, :instance)[:name] %>
+    <%= Pleroma.Config.get([:instance, :name]) %>
     </title>
     <style>
       body {
@@ -194,7 +194,7 @@
   </head>
   <body>
     <div class="container">
-      <h1><%= Application.get_env(:pleroma, :instance)[:name] %></h1>
+      <h1><%= Pleroma.Config.get([:instance, :name]) %></h1>
       <%= render @view_module, @view_template, assigns %>
     </div>
   </body>
diff --git a/lib/pleroma/web/templates/mastodon_api/mastodon/index.html.eex b/lib/pleroma/web/templates/mastodon_api/mastodon/index.html.eex
index 5659c7828..ac63811d1 100644
--- a/lib/pleroma/web/templates/mastodon_api/mastodon/index.html.eex
+++ b/lib/pleroma/web/templates/mastodon_api/mastodon/index.html.eex
@@ -4,7 +4,7 @@
 <meta charset='utf-8'>
 <meta content='width=device-width, initial-scale=1' name='viewport'>
 <title>
-<%= Application.get_env(:pleroma, :instance)[:name] %>
+<%= Pleroma.Config.get([:instance, :name]) %>
 </title>
 <link rel="icon" type="image/png" href="/favicon.png"/>
 <script crossorigin='anonymous' src="/packs/locales.js"></script>
diff --git a/lib/pleroma/web/twitter_api/twitter_api_controller.ex b/lib/pleroma/web/twitter_api/twitter_api_controller.ex
index 31e86685a..1b6b33e69 100644
--- a/lib/pleroma/web/twitter_api/twitter_api_controller.ex
+++ b/lib/pleroma/web/twitter_api/twitter_api_controller.ex
@@ -728,7 +728,7 @@ defmodule Pleroma.Web.TwitterAPI.Controller do
   def only_if_public_instance(%{assigns: %{user: %User{}}} = conn, _), do: conn
 
   def only_if_public_instance(conn, _) do
-    if Keyword.get(Application.get_env(:pleroma, :instance), :public) do
+    if Pleroma.Config.get([:instance, :public]) do
       conn
     else
       conn
diff --git a/test/web/plugs/federating_plug_test.exs b/test/web/plugs/federating_plug_test.exs
index 612db7e32..530562325 100644
--- a/test/web/plugs/federating_plug_test.exs
+++ b/test/web/plugs/federating_plug_test.exs
@@ -6,11 +6,7 @@ defmodule Pleroma.Web.FederatingPlugTest do
   use Pleroma.Web.ConnCase
 
   test "returns and halt the conn when federating is disabled" do
-    instance =
-      Application.get_env(:pleroma, :instance)
-      |> Keyword.put(:federating, false)
-
-    Application.put_env(:pleroma, :instance, instance)
+    Pleroma.Config.put([:instance, :federating], false)
 
     conn =
       build_conn()
@@ -19,11 +15,7 @@ defmodule Pleroma.Web.FederatingPlugTest do
     assert conn.status == 404
     assert conn.halted
 
-    instance =
-      Application.get_env(:pleroma, :instance)
-      |> Keyword.put(:federating, true)
-
-    Application.put_env(:pleroma, :instance, instance)
+    Pleroma.Config.put([:instance, :federating], true)
   end
 
   test "does nothing when federating is enabled" do
diff --git a/test/web/twitter_api/twitter_api_controller_test.exs b/test/web/twitter_api/twitter_api_controller_test.exs
index e194f14fb..bcd0f522d 100644
--- a/test/web/twitter_api/twitter_api_controller_test.exs
+++ b/test/web/twitter_api/twitter_api_controller_test.exs
@@ -144,41 +144,25 @@ defmodule Pleroma.Web.TwitterAPI.ControllerTest do
     end
 
     test "returns 403 to unauthenticated request when the instance is not public", %{conn: conn} do
-      instance =
-        Application.get_env(:pleroma, :instance)
-        |> Keyword.put(:public, false)
-
-      Application.put_env(:pleroma, :instance, instance)
+      Pleroma.Config.put([:instance, :public], false)
 
       conn
       |> get("/api/statuses/public_timeline.json")
       |> json_response(403)
 
-      instance =
-        Application.get_env(:pleroma, :instance)
-        |> Keyword.put(:public, true)
-
-      Application.put_env(:pleroma, :instance, instance)
+      Pleroma.Config.put([:instance, :public], true)
     end
 
     test "returns 200 to authenticated request when the instance is not public",
          %{conn: conn, user: user} do
-      instance =
-        Application.get_env(:pleroma, :instance)
-        |> Keyword.put(:public, false)
-
-      Application.put_env(:pleroma, :instance, instance)
+      Pleroma.Config.put([:instance, :public], false)
 
       conn
       |> with_credentials(user.nickname, "test")
       |> get("/api/statuses/public_timeline.json")
       |> json_response(200)
 
-      instance =
-        Application.get_env(:pleroma, :instance)
-        |> Keyword.put(:public, true)
-
-      Application.put_env(:pleroma, :instance, instance)
+      Pleroma.Config.put([:instance, :public], true)
     end
 
     test "returns 200 to unauthenticated request when the instance is public", %{conn: conn} do
@@ -214,41 +198,25 @@ defmodule Pleroma.Web.TwitterAPI.ControllerTest do
     setup [:valid_user]
 
     test "returns 403 to unauthenticated request when the instance is not public", %{conn: conn} do
-      instance =
-        Application.get_env(:pleroma, :instance)
-        |> Keyword.put(:public, false)
-
-      Application.put_env(:pleroma, :instance, instance)
+      Pleroma.Config.put([:instance, :public], false)
 
       conn
       |> get("/api/statuses/public_and_external_timeline.json")
       |> json_response(403)
 
-      instance =
-        Application.get_env(:pleroma, :instance)
-        |> Keyword.put(:public, true)
-
-      Application.put_env(:pleroma, :instance, instance)
+      Pleroma.Config.put([:instance, :public], true)
     end
 
     test "returns 200 to authenticated request when the instance is not public",
          %{conn: conn, user: user} do
-      instance =
-        Application.get_env(:pleroma, :instance)
-        |> Keyword.put(:public, false)
-
-      Application.put_env(:pleroma, :instance, instance)
+      Pleroma.Config.put([:instance, :public], false)
 
       conn
       |> with_credentials(user.nickname, "test")
       |> get("/api/statuses/public_and_external_timeline.json")
       |> json_response(200)
 
-      instance =
-        Application.get_env(:pleroma, :instance)
-        |> Keyword.put(:public, true)
-
-      Application.put_env(:pleroma, :instance, instance)
+      Pleroma.Config.put([:instance, :public], true)
     end
 
     test "returns 200 to unauthenticated request when the instance is public", %{conn: conn} do