diff --git a/app/components/attachment/multiple_component/multiple_component.html.haml b/app/components/attachment/multiple_component/multiple_component.html.haml
index b5a64b044..74abdf23c 100644
--- a/app/components/attachment/multiple_component/multiple_component.html.haml
+++ b/app/components/attachment/multiple_component/multiple_component.html.haml
@@ -8,7 +8,7 @@
           = render Attachment::EditComponent.new(champ:, attached_file:, attachment:, index:, view_as:, user_can_destroy:, form_object_name:)
 
   %div{ id: empty_component_id, class: class_names("hidden": !can_attach_next?), data: { turbo_force: :server } }
-    = render Attachment::EditComponent.new(champ:, as_multiple: champ.present? ? champ.allow_multiple_attachments? : true, attached_file:, attachment: nil, index: attachments_count, user_can_destroy:, form_object_name:)
+    = render Attachment::EditComponent.new(champ:, as_multiple: champ.nil?, attached_file:, attachment: nil, index: attachments_count, user_can_destroy:, form_object_name:)
 
   // single poll and refresh message for all attachments
   = render Attachment::PendingPollComponent.new(attachments: attachments, poll_url:, context: poll_context)
diff --git a/app/models/champs/piece_justificative_champ.rb b/app/models/champs/piece_justificative_champ.rb
index bca75c292..8d9435d17 100644
--- a/app/models/champs/piece_justificative_champ.rb
+++ b/app/models/champs/piece_justificative_champ.rb
@@ -30,8 +30,4 @@ class Champs::PieceJustificativeChamp < Champ
   def blank?
     piece_justificative_file.blank?
   end
-
-  def allow_multiple_attachments?
-    false
-  end
 end
diff --git a/app/models/champs/titre_identite_champ.rb b/app/models/champs/titre_identite_champ.rb
index 88983fa6e..05b67e802 100644
--- a/app/models/champs/titre_identite_champ.rb
+++ b/app/models/champs/titre_identite_champ.rb
@@ -25,8 +25,4 @@ class Champs::TitreIdentiteChamp < Champ
   def blank?
     piece_justificative_file.blank?
   end
-
-  def allow_multiple_attachments?
-    false
-  end
 end