diff --git a/lib/submitters/maybe_assign_default_email_signature.rb b/lib/submitters/maybe_assign_default_email_signature.rb
deleted file mode 100644
index 9fabb117..00000000
--- a/lib/submitters/maybe_assign_default_email_signature.rb
+++ /dev/null
@@ -1,36 +0,0 @@
-# frozen_string_literal: true
-
-module Submitters
-  module MaybeAssignDefaultEmailSignature
-    module_function
-
-    def call(submitter, params, attachments)
-      return if params[:t].present? && params[:t] != SubmissionEvents.build_tracking_param(submitter, 'click_email')
-      return if params[:t].blank? && !submitter.submission_events.exists?(event_type: :click_email)
-
-      signature_attachment = find_previous_signature(submitter)
-
-      return if signature_attachment.blank?
-
-      existing_attachment = attachments.find do |a|
-        a.blob_id == signature_attachment.blob_id && submitter.id == a.record_id
-      end
-
-      return existing_attachment if existing_attachment
-
-      submitter.attachments_attachments.create_or_find_by!(blob_id: signature_attachment.blob_id)
-    end
-
-    def find_previous_signature(submitter)
-      return if submitter.email.blank?
-
-      submitters_query =
-        Submitter.where(email: submitter.email)
-                 .where.not(completed_at: nil)
-                 .where(SubmissionEvent.where(Submitter.arel_table[:id].eq(SubmissionEvent.arel_table[:submitter_id]))
-                                       .where(event_type: :click_email).limit(1).arel.exists)
-
-      ActiveStorage::Attachment.where(name: :signature, record: submitters_query).order(:id).last
-    end
-  end
-end