diff --git a/lib/mihainator/extractor.ex b/lib/mihainator/extractor.ex
index 253c0e2..c3444e4 100644
--- a/lib/mihainator/extractor.ex
+++ b/lib/mihainator/extractor.ex
@@ -5,13 +5,6 @@ defmodule Mihainator.Extractor do
 
   # TODO: unit test
   # TODO: refactor this method
-  @spec extract(
-          binary()
-          | maybe_improper_list(
-              binary() | maybe_improper_list(any(), binary() | []) | char(),
-              binary() | []
-            )
-        ) :: %{first_date: Date.t(), interaction_data: map(), last_date: Date.t()}
   def extract(file) do
     raw_data = get_raw_data(file)
 
diff --git a/lib/mihainator_web/live/upload_live.ex b/lib/mihainator_web/live/upload_live.ex
index 044a152..225a983 100644
--- a/lib/mihainator_web/live/upload_live.ex
+++ b/lib/mihainator_web/live/upload_live.ex
@@ -11,7 +11,6 @@ defmodule MihainatorWeb.UploadLive do
   end
 
   @impl Phoenix.LiveView
-  @spec handle_info({reference(), any()}, any()) :: {:noreply, any()}
   def handle_info({ref, result}, socket) do
     Process.demonitor(ref, [:flush])