diff --git a/lib/pleroma/plugs/http_signature.ex b/lib/pleroma/plugs/http_signature.ex
index 8b9ccdd2d..efde652f5 100644
--- a/lib/pleroma/plugs/http_signature.ex
+++ b/lib/pleroma/plugs/http_signature.ex
@@ -7,11 +7,11 @@ def init(options) do
     options
   end
 
-  def call(%{assigns: %{valid_signature: true}} = conn, opts) do
+  def call(%{assigns: %{valid_signature: true}} = conn, _opts) do
     conn
   end
 
-  def call(conn, opts) do
+  def call(conn, _opts) do
     user = conn.params["actor"]
     Logger.debug("Checking sig for #{user}")
     [signature | _] = get_req_header(conn, "signature")
diff --git a/lib/pleroma/web/activity_pub/mrf/simple_policy.ex b/lib/pleroma/web/activity_pub/mrf/simple_policy.ex
index ea1af0f4d..ad28cbfe3 100644
--- a/lib/pleroma/web/activity_pub/mrf/simple_policy.ex
+++ b/lib/pleroma/web/activity_pub/mrf/simple_policy.ex
@@ -70,7 +70,7 @@ def filter(object) do
          {:ok, object} <- check_ftl_removal(actor_info, object) do
       {:ok, object}
     else
-      e -> {:reject, nil}
+      _e -> {:reject, nil}
     end
   end
 end
diff --git a/lib/pleroma/web/activity_pub/transmogrifier.ex b/lib/pleroma/web/activity_pub/transmogrifier.ex
index 2871a2544..221bc7dab 100644
--- a/lib/pleroma/web/activity_pub/transmogrifier.ex
+++ b/lib/pleroma/web/activity_pub/transmogrifier.ex
@@ -143,12 +143,12 @@ def handle_incoming(
   end
 
   def handle_incoming(
-        %{"type" => "Like", "object" => object_id, "actor" => actor, "id" => id} = data
+        %{"type" => "Like", "object" => object_id, "actor" => actor, "id" => id} = _data
       ) do
     with %User{} = actor <- User.get_or_fetch_by_ap_id(actor),
          {:ok, object} <-
            get_obj_helper(object_id) || ActivityPub.fetch_object_from_id(object_id),
-         {:ok, activity, object} <- ActivityPub.like(actor, object, id, false) do
+         {:ok, activity, _object} <- ActivityPub.like(actor, object, id, false) do
       {:ok, activity}
     else
       _e -> :error
diff --git a/lib/pleroma/web/common_api/utils.ex b/lib/pleroma/web/common_api/utils.ex
index 3c092d524..b142eda95 100644
--- a/lib/pleroma/web/common_api/utils.ex
+++ b/lib/pleroma/web/common_api/utils.ex
@@ -49,7 +49,7 @@ def to_for_user_and_mentions(user, mentions, inReplyTo, "private") do
     {[user.follower_address | to], cc}
   end
 
-  def to_for_user_and_mentions(user, mentions, inReplyTo, "direct") do
+  def to_for_user_and_mentions(_user, mentions, inReplyTo, "direct") do
     mentioned_users = Enum.map(mentions, fn {_, %{ap_id: ap_id}} -> ap_id end)
 
     if inReplyTo do
@@ -69,7 +69,7 @@ def make_content_html(status, mentions, attachments, tags, no_attachment_links \
   def make_context(%Activity{data: %{"context" => context}}), do: context
   def make_context(_), do: Utils.generate_context_id()
 
-  def maybe_add_attachments(text, attachments, _no_links = true), do: text
+  def maybe_add_attachments(text, _attachments, _no_links = true), do: text
 
   def maybe_add_attachments(text, attachments, _no_links) do
     add_attachments(text, attachments)
diff --git a/lib/pleroma/web/federator/federator.ex b/lib/pleroma/web/federator/federator.ex
index 8335add9c..c4c18192c 100644
--- a/lib/pleroma/web/federator/federator.ex
+++ b/lib/pleroma/web/federator/federator.ex
@@ -89,12 +89,12 @@ def handle(:incoming_ap_doc, params) do
 
     with {:ok, _user} <- ap_enabled_actor(params["actor"]),
          nil <- Activity.get_by_ap_id(params["id"]),
-         {:ok, activity} <- Transmogrifier.handle_incoming(params) do
+         {:ok, _activity} <- Transmogrifier.handle_incoming(params) do
     else
       %Activity{} ->
         Logger.info("Already had #{params["id"]}")
 
-      e ->
+      _e ->
         # Just drop those for now
         Logger.info("Unhandled activity")
         Logger.info(Poison.encode!(params, pretty: 2))
@@ -154,7 +154,7 @@ def maybe_start_job(running_jobs, queue) do
     end
   end
 
-  def handle_cast({:enqueue, type, payload, priority}, state)
+  def handle_cast({:enqueue, type, payload, _priority}, state)
       when type in [:incoming_doc, :incoming_ap_doc] do
     %{in: {i_running_jobs, i_queue}, out: {o_running_jobs, o_queue}} = state
     i_queue = enqueue_sorted(i_queue, {type, payload}, 1)
@@ -162,7 +162,7 @@ def handle_cast({:enqueue, type, payload, priority}, state)
     {:noreply, %{in: {i_running_jobs, i_queue}, out: {o_running_jobs, o_queue}}}
   end
 
-  def handle_cast({:enqueue, type, payload, priority}, state) do
+  def handle_cast({:enqueue, type, payload, _priority}, state) do
     %{in: {i_running_jobs, i_queue}, out: {o_running_jobs, o_queue}} = state
     o_queue = enqueue_sorted(o_queue, {type, payload}, 1)
     {o_running_jobs, o_queue} = maybe_start_job(o_running_jobs, o_queue)
diff --git a/lib/pleroma/web/http_signatures/http_signatures.ex b/lib/pleroma/web/http_signatures/http_signatures.ex
index 0ea3b7554..9035f5eb6 100644
--- a/lib/pleroma/web/http_signatures/http_signatures.ex
+++ b/lib/pleroma/web/http_signatures/http_signatures.ex
@@ -45,7 +45,7 @@ def validate_conn(conn) do
         end
       end
     else
-      e ->
+      _e ->
         Logger.debug("Could not public key!")
         false
     end
diff --git a/lib/pleroma/web/twitter_api/twitter_api.ex b/lib/pleroma/web/twitter_api/twitter_api.ex
index c12cd7f8a..5a843a3ab 100644
--- a/lib/pleroma/web/twitter_api/twitter_api.ex
+++ b/lib/pleroma/web/twitter_api/twitter_api.ex
@@ -184,7 +184,7 @@ defp parse_int(string, default) when is_binary(string) do
 
   defp parse_int(_, default), do: default
 
-  def search(user, %{"q" => query} = params) do
+  def search(_user, %{"q" => query} = params) do
     limit = parse_int(params["rpp"], 20)
     page = parse_int(params["page"], 1)
     offset = (page - 1) * limit
@@ -206,7 +206,7 @@ def search(user, %{"q" => query} = params) do
         order_by: [desc: :inserted_at]
       )
 
-    activities = Repo.all(q)
+    _activities = Repo.all(q)
   end
 
   defp make_date do
diff --git a/lib/pleroma/web/xml/xml.ex b/lib/pleroma/web/xml/xml.ex
index 8b609f695..36430a3fa 100644
--- a/lib/pleroma/web/xml/xml.ex
+++ b/lib/pleroma/web/xml/xml.ex
@@ -14,7 +14,7 @@ def string_from_xpath(xpath, doc) do
 
       if res == "", do: nil, else: res
     catch
-      e ->
+      _e ->
         Logger.debug("Couldn't find xpath #{xpath} in XML doc")
         nil
     end
diff --git a/test/support/builders/activity_builder.ex b/test/support/builders/activity_builder.ex
index d9c188955..eb72d5ba9 100644
--- a/test/support/builders/activity_builder.ex
+++ b/test/support/builders/activity_builder.ex
@@ -26,7 +26,7 @@ def insert(data \\ %{}, opts \\ %{}) do
   end
 
   def insert_list(times, data \\ %{}, opts \\ %{}) do
-    Enum.map(1..times, fn n ->
+    Enum.map(1..times, fn _n ->
       {:ok, activity} = insert(data, opts)
       activity
     end)
diff --git a/test/support/httpoison_mock.ex b/test/support/httpoison_mock.ex
index ba35c4460..4a5a9ea85 100644
--- a/test/support/httpoison_mock.ex
+++ b/test/support/httpoison_mock.ex
@@ -367,7 +367,7 @@ def get("https://shitposter.club/api/statuses/user_timeline/1.atom", _body, _hea
 
   def post(
         "https://social.heldscal.la/main/push/hub",
-        {:form, data},
+        {:form, _data},
         "Content-type": "application/x-www-form-urlencoded"
       ) do
     {:ok,
@@ -711,11 +711,11 @@ def get(url, body, headers) do
      }"}
   end
 
-  def post(url, body, headers) do
+  def post(url, _body, _headers) do
     {:error, "Not implemented the mock response for post #{inspect(url)}"}
   end
 
-  def post(url, body, headers, options) do
+  def post(url, _body, _headers, _options) do
     {:error, "Not implemented the mock response for post #{inspect(url)}"}
   end
 end