--- a/src/pyams_content/component/theme/zmi/manager.py	Fri Jan 25 12:13:43 2019 +0100
+++ b/src/pyams_content/component/theme/zmi/manager.py	Tue Jan 29 15:59:54 2019 +0100
@@ -26,7 +26,7 @@
 from pyams_form.group import NamedWidgetsGroup
 from pyams_pagelet.pagelet import pagelet_config
 from pyams_skin.layer import IPyAMSLayer
-from pyams_skin.viewlet.menu import MenuItem, MenuDivider
+from pyams_skin.viewlet.menu import MenuItem
 from pyams_utils.fanstatic import get_resource_path
 from pyams_utils.interfaces.data import IObjectData
 from pyams_viewlet.viewlet import viewlet_config
@@ -41,12 +41,6 @@
 # Tags management view
 #
 
-@viewlet_config(name='tags.divider', context=ITagsManagerTarget, layer=IAdminLayer,
-                manager=IPropertiesMenu, permission=MANAGE_SITE_ROOT_PERMISSION, weight=39)
-class TagsManagerMenuDivider(MenuDivider):
-    """Tags manager menu divider"""
-
-
 @viewlet_config(name='tags-manager.menu', context=ITagsManagerTarget, layer=IAdminLayer,
                 manager=IPropertiesMenu, permission=MANAGE_SITE_ROOT_PERMISSION, weight=40)
 class TagsManagerMenu(MenuItem):
@@ -64,7 +58,7 @@
 class TagsManagerEditForm(AdminDialogEditForm):
     """Tags manager edit form"""
 
-    prefix = 'manager_themes.'
+    prefix = 'tags_manager.'
 
     legend = _("Selected tags")
     dialog_class = 'modal-large'
@@ -135,7 +129,7 @@
 class ThemesManagerEditForm(AdminDialogEditForm):
     """Themes manager edit form"""
 
-    prefix = 'manager_themes.'
+    prefix = 'themes_manager.'
 
     legend = _("Selected themes")
 
@@ -185,7 +179,7 @@
 class CollectionsManagerEditForm(AdminDialogEditForm):
     """Collections manager edit form"""
 
-    prefix = 'manager_themes.'
+    prefix = 'collections_manager.'
 
     legend = _("Selected collections")