diff --git a/lib/mix/tasks/pleroma/uploads.ex b/lib/mix/tasks/pleroma/uploads.ex
index 45bfd254..c6b84013 100644
--- a/lib/mix/tasks/pleroma/uploads.ex
+++ b/lib/mix/tasks/pleroma/uploads.ex
@@ -57,7 +57,7 @@ defmodule Mix.Tasks.Pleroma.Uploads do
 
           File.exists?(root_path) ->
             file = Path.basename(id)
-            [hash, _ext] = String.split(id, ".")
+            hash = Path.rootname(id)
             {%Pleroma.Upload{id: hash, name: file, path: file, tempfile: root_path}, root_path}
 
           true ->
diff --git a/lib/pleroma/upload.ex b/lib/pleroma/upload.ex
index 77cba2cd..07031ac5 100644
--- a/lib/pleroma/upload.ex
+++ b/lib/pleroma/upload.ex
@@ -214,4 +214,6 @@ defmodule Pleroma.Upload do
     [base_url, "media", path]
     |> Path.join()
   end
+
+  defp url_from_spec(_base_url, {:url, url}), do: url
 end
diff --git a/lib/pleroma/upload/filter/dedupe.ex b/lib/pleroma/upload/filter/dedupe.ex
index 81ddd9b2..0657b2c8 100644
--- a/lib/pleroma/upload/filter/dedupe.ex
+++ b/lib/pleroma/upload/filter/dedupe.ex
@@ -1,10 +1,11 @@
 defmodule Pleroma.Upload.Filter.Dedupe do
   @behaviour Pleroma.Upload.Filter
+  alias Pleroma.Upload
 
-  def filter(upload = %Pleroma.Upload{name: name, tempfile: _path}) do
+  def filter(upload = %Upload{name: name}) do
     extension = String.split(name, ".") |> List.last()
     shasum = :crypto.hash(:sha256, File.read!(upload.tempfile)) |> Base.encode16(case: :lower)
     filename = shasum <> "." <> extension
-    {:ok, %Pleroma.Upload{upload | id: shasum, path: filename}}
+    {:ok, %Upload{upload | id: shasum, path: filename}}
   end
 end
diff --git a/lib/pleroma/web/admin_api/admin_api_controller.ex b/lib/pleroma/web/admin_api/admin_api_controller.ex
index 451a8790..06c3c7c8 100644
--- a/lib/pleroma/web/admin_api/admin_api_controller.ex
+++ b/lib/pleroma/web/admin_api/admin_api_controller.ex
@@ -63,7 +63,8 @@ defmodule Pleroma.Web.AdminAPI.AdminAPIController do
     info_cng = User.Info.admin_api_update(user.info, info)
 
     cng =
-      Ecto.Changeset.change(user)
+      user
+      |> Ecto.Changeset.change()
       |> Ecto.Changeset.put_embed(:info, info_cng)
 
     {:ok, _user} = User.update_and_set_cache(cng)
diff --git a/lib/pleroma/web/federator/retry_queue.ex b/lib/pleroma/web/federator/retry_queue.ex
index 3997d68a..510b4315 100644
--- a/lib/pleroma/web/federator/retry_queue.ex
+++ b/lib/pleroma/web/federator/retry_queue.ex
@@ -37,11 +37,11 @@ defmodule Pleroma.Web.Federator.RetryQueue do
 
   def handle_cast({:maybe_enqueue, data, transport, retries}, %{dropped: drop_count} = state) do
     case get_retry_params(retries) do
-      {:retry, _timeout} ->
+      {:retry, timeout} ->
         Process.send_after(
           __MODULE__,
           {:send, data, transport, retries},
-          growth_function(retries)
+          timeout
         )
 
         {:noreply, state}
diff --git a/lib/pleroma/web/mastodon_api/mastodon_socket.ex b/lib/pleroma/web/mastodon_api/mastodon_socket.ex
index d85f2a46..755ac573 100644
--- a/lib/pleroma/web/mastodon_api/mastodon_socket.ex
+++ b/lib/pleroma/web/mastodon_api/mastodon_socket.ex
@@ -11,6 +11,7 @@ defmodule Pleroma.Web.MastodonAPI.MastodonSocket do
     timeout: :infinity
   )
 
+  @spec connect(params :: map(), Phoenix.Socket.t()) :: {:ok, Phoenix.Socket.t()} | :error
   def connect(%{"access_token" => token} = params, socket) do
     with %Token{user_id: user_id} <- Repo.get_by(Token, token: token),
          %User{} = user <- Repo.get(User, user_id),
@@ -52,12 +53,16 @@ defmodule Pleroma.Web.MastodonAPI.MastodonSocket do
         _ -> stream
       end
 
-    with socket <- assign(socket, :topic, topic) do
-      Pleroma.Web.Streamer.add_socket(topic, socket)
-      {:ok, socket}
-    end
+    socket =
+      socket
+      |> assign(:topic, topic)
+
+    Pleroma.Web.Streamer.add_socket(topic, socket)
+    {:ok, socket}
   end
 
+  def connect(_params, _socket), do: :error
+
   def id(_), do: nil
 
   def handle(:text, message, _state) do
diff --git a/lib/pleroma/web/media_proxy/controller.ex b/lib/pleroma/web/media_proxy/controller.ex
index ce4f15be..63140feb 100644
--- a/lib/pleroma/web/media_proxy/controller.ex
+++ b/lib/pleroma/web/media_proxy/controller.ex
@@ -8,7 +8,6 @@ defmodule Pleroma.Web.MediaProxy.MediaProxyController do
     with config <- Pleroma.Config.get([:media_proxy], []),
          true <- Keyword.get(config, :enabled, false),
          {:ok, url} <- MediaProxy.decode_url(sig64, url64),
-         _filename <- Path.basename(URI.parse(url).path),
          :ok <- filename_matches(Map.has_key?(params, "filename"), conn.request_path, url) do
       ReverseProxy.call(conn, url, Keyword.get(config, :proxy_opts, @default_proxy_opts))
     else
@@ -31,9 +30,10 @@ defmodule Pleroma.Web.MediaProxy.MediaProxyController do
 
     path = URI.decode(path)
 
-    cond do
-      has_filename && filename && Path.basename(path) != filename -> {:wrong_filename, filename}
-      true -> :ok
+    if has_filename && filename && Path.basename(path) != filename do
+      {:wrong_filename, filename}
+    else
+      :ok
     end
   end
 end
diff --git a/lib/pleroma/web/ostatus/ostatus.ex b/lib/pleroma/web/ostatus/ostatus.ex
index 3ad2e759..c6440c20 100644
--- a/lib/pleroma/web/ostatus/ostatus.ex
+++ b/lib/pleroma/web/ostatus/ostatus.ex
@@ -375,19 +375,14 @@ defmodule Pleroma.Web.OStatus do
   end
 
   def fetch_activity_from_url(url) do
-    try do
-      with {:ok, activities} when activities != [] <- fetch_activity_from_atom_url(url) do
-        {:ok, activities}
-      else
-        _e ->
-          with {:ok, activities} <- fetch_activity_from_html_url(url) do
-            {:ok, activities}
-          end
-      end
-    rescue
-      e ->
-        Logger.debug("Couldn't get #{url}: #{inspect(e)}")
-        {:error, "Couldn't get #{url}: #{inspect(e)}"}
+    with {:ok, [_ | _] = activities} <- fetch_activity_from_atom_url(url) do
+      {:ok, activities}
+    else
+      _e -> fetch_activity_from_html_url(url)
     end
+  rescue
+    e ->
+      Logger.debug("Couldn't get #{url}: #{inspect(e)}")
+      {:error, "Couldn't get #{url}: #{inspect(e)}"}
   end
 end