diff --git a/lib/pleroma/bookmark.ex b/lib/pleroma/bookmark.ex
index 187749e86..5119701f5 100644
--- a/lib/pleroma/bookmark.ex
+++ b/lib/pleroma/bookmark.ex
@@ -22,7 +22,7 @@ defmodule Pleroma.Bookmark do
     timestamps()
   end
 
-  @spec create(FlakeId.Ecto.CompatType.t(), FlakeId.Ecto.CompatType.t()) ::
+  @spec create(Ecto.UUID.t(), Ecto.UUID.t()) ::
           {:ok, Bookmark.t()} | {:error, Changeset.t()}
   def create(user_id, activity_id) do
     attrs = %{
@@ -37,7 +37,7 @@ defmodule Pleroma.Bookmark do
     |> Repo.insert()
   end
 
-  @spec for_user_query(FlakeId.Ecto.CompatType.t()) :: Ecto.Query.t()
+  @spec for_user_query(Ecto.UUID.t()) :: Ecto.Query.t()
   def for_user_query(user_id) do
     Bookmark
     |> where(user_id: ^user_id)
@@ -52,7 +52,7 @@ defmodule Pleroma.Bookmark do
     |> Repo.one()
   end
 
-  @spec destroy(FlakeId.Ecto.CompatType.t(), FlakeId.Ecto.CompatType.t()) ::
+  @spec destroy(Ecto.UUID.t(), Ecto.UUID.t()) ::
           {:ok, Bookmark.t()} | {:error, Changeset.t()}
   def destroy(user_id, activity_id) do
     from(b in Bookmark,
diff --git a/lib/pleroma/chat.ex b/lib/pleroma/chat.ex
index fe32ec08c..5c4dbc1ff 100644
--- a/lib/pleroma/chat.ex
+++ b/lib/pleroma/chat.ex
@@ -42,7 +42,7 @@ defmodule Pleroma.Chat do
     |> unique_constraint(:user_id, name: :chats_user_id_recipient_index)
   end
 
-  @spec get_by_user_and_id(User.t(), FlakeId.Ecto.CompatType.t()) ::
+  @spec get_by_user_and_id(User.t(), Ecto.UUID.t()) ::
           {:ok, t()} | {:error, :not_found}
   def get_by_user_and_id(%User{id: user_id}, id) do
     from(c in __MODULE__,
@@ -52,17 +52,17 @@ defmodule Pleroma.Chat do
     |> Repo.find_resource()
   end
 
-  @spec get_by_id(FlakeId.Ecto.CompatType.t()) :: t() | nil
+  @spec get_by_id(Ecto.UUID.t()) :: t() | nil
   def get_by_id(id) do
     Repo.get(__MODULE__, id)
   end
 
-  @spec get(FlakeId.Ecto.CompatType.t(), String.t()) :: t() | nil
+  @spec get(Ecto.UUID.t(), String.t()) :: t() | nil
   def get(user_id, recipient) do
     Repo.get_by(__MODULE__, user_id: user_id, recipient: recipient)
   end
 
-  @spec get_or_create(FlakeId.Ecto.CompatType.t(), String.t()) ::
+  @spec get_or_create(Ecto.UUID.t(), String.t()) ::
           {:ok, t()} | {:error, Ecto.Changeset.t()}
   def get_or_create(user_id, recipient) do
     %__MODULE__{}
@@ -75,7 +75,7 @@ defmodule Pleroma.Chat do
     )
   end
 
-  @spec bump_or_create(FlakeId.Ecto.CompatType.t(), String.t()) ::
+  @spec bump_or_create(Ecto.UUID.t(), String.t()) ::
           {:ok, t()} | {:error, Ecto.Changeset.t()}
   def bump_or_create(user_id, recipient) do
     %__MODULE__{}
@@ -87,7 +87,7 @@ defmodule Pleroma.Chat do
     )
   end
 
-  @spec for_user_query(FlakeId.Ecto.CompatType.t()) :: Ecto.Query.t()
+  @spec for_user_query(Ecto.UUID.t()) :: Ecto.Query.t()
   def for_user_query(user_id) do
     from(c in Chat,
       where: c.user_id == ^user_id,
diff --git a/lib/pleroma/report_note.ex b/lib/pleroma/report_note.ex
index f2ad76fa8..1a45b8e99 100644
--- a/lib/pleroma/report_note.ex
+++ b/lib/pleroma/report_note.ex
@@ -23,7 +23,7 @@ defmodule Pleroma.ReportNote do
     timestamps()
   end
 
-  @spec create(FlakeId.Ecto.CompatType.t(), FlakeId.Ecto.CompatType.t(), String.t()) ::
+  @spec create(Ecto.UUID.t(), Ecto.UUID.t(), String.t()) ::
           {:ok, ReportNote.t()} | {:error, Changeset.t()}
   def create(user_id, activity_id, content) do
     attrs = %{
@@ -38,7 +38,7 @@ defmodule Pleroma.ReportNote do
     |> Repo.insert()
   end
 
-  @spec destroy(FlakeId.Ecto.CompatType.t()) ::
+  @spec destroy(Ecto.UUID.t()) ::
           {:ok, ReportNote.t()} | {:error, Changeset.t()}
   def destroy(id) do
     from(r in ReportNote, where: r.id == ^id)
diff --git a/lib/pleroma/web/activity_pub/activity_pub.ex b/lib/pleroma/web/activity_pub/activity_pub.ex
index 3980ef7b8..a12438f56 100644
--- a/lib/pleroma/web/activity_pub/activity_pub.ex
+++ b/lib/pleroma/web/activity_pub/activity_pub.ex
@@ -499,7 +499,7 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do
   end
 
   @spec fetch_latest_direct_activity_id_for_context(String.t(), keyword() | map()) ::
-          FlakeId.Ecto.CompatType.t() | nil
+          Ecto.UUID.t() | nil
   def fetch_latest_direct_activity_id_for_context(context, opts \\ %{}) do
     context
     |> fetch_activities_for_context_query(Map.merge(%{skip_preload: true}, opts))