diff --git a/combo_plugin_gnm/urls.py b/combo_plugin_gnm/urls.py
index 7a4ac3a..8ab1230 100644
--- a/combo_plugin_gnm/urls.py
+++ b/combo_plugin_gnm/urls.py
@@ -23,4 +23,5 @@ urlpatterns = [
     url(r'^gnm/plusone/$', views.plusone, name='gnm-plus-one'),
     url(r'^gnm/share/$', views.share, name='gnm-share'),
     url(r'^gnm/stats/$', views.stats, name='gnm-stats'),
+    url(r'^gnm/cartads/unsubscribe/$', views.cartads_unsubscribe, name='gnm-cartads-unsubscribe'),
 ]
diff --git a/combo_plugin_gnm/views.py b/combo_plugin_gnm/views.py
index 35c44cb..bc8d021 100644
--- a/combo_plugin_gnm/views.py
+++ b/combo_plugin_gnm/views.py
@@ -118,3 +118,23 @@ def stats(request, *args, **kwargs):
         data['users']['median-tiles'] = dashboard_lengths[len(dashboard_lengths) // 2]
 
     return JsonResponse(data)
+
+
+def cartads_unsubscribe(request, *args, **kwargs):
+    cell = ConfigJsonCell.objects.filter(key='cartads-dossiers').first()
+    if cell:
+        next_url = cell.page.get_online_url()
+    else:
+        next_url = '/'
+    numero_dossier = request.GET.get('numero_dossier')
+    if numero_dossier:
+        context = RequestContext(request, {'request': request})
+        context.update(cell.get_cell_extra_context(context))
+        action_url = get_templated_url(settings.JSON_CELL_TYPES['cartads-dossiers']['actions']['unsubscribe']['url'], context)
+        action_url += '&dossier_number=' + numero_dossier
+        response = requests.get(action_url, remote_service='auto', without_user=True)
+        if response.ok:
+            messages.info(request, u'Le dossier a été retiré de votre suivi.')
+            return HttpResponseRedirect(next_url)
+    messages.error(request, u"Le dossier n'a pas pu être retiré de votre suivi.")
+    return HttpResponseRedirect(next_url)
diff --git a/debian/50gnm.py b/debian/50gnm.py
index c416901..2bb9f72 100644
--- a/debian/50gnm.py
+++ b/debian/50gnm.py
@@ -428,7 +428,7 @@ JSON_CELL_TYPES = {
   },
   "cartads-dossiers": {
     "url": "{{passerelle_url}}grandlyon-cartads-cs/{{slug}}/files?name_id={{user_nameid}}",
-    "cache_duration": 3600,
+    "cache_duration": 0,
     "force_async": True,
     "name": u"Dossiers Cart@DS",
     "form": [
@@ -437,7 +437,12 @@ JSON_CELL_TYPES = {
         "type": "string",
         "label": "Slug du connecteur"
       }
-    ]
+    ],
+    "actions": {
+      "unsubscribe": {
+        "url": "{{passerelle_url}}grandlyon-cartads-cs/{{slug}}/unsubscribe?name_id={{user_nameid}}",
+      },
+    }
   },
 }