diff --git a/addons/crm_mail_plugin/__manifest__.py b/addons/crm_mail_plugin/__manifest__.py
index 8d829ab8f3d..2b7f15c6c2f 100644
--- a/addons/crm_mail_plugin/__manifest__.py
+++ b/addons/crm_mail_plugin/__manifest__.py
@@ -17,9 +17,6 @@
         'views/crm_mail_plugin_lead.xml',
         'views/crm_lead_views.xml'
     ],
-    'web.assets_backend': [
-        'crm_mail_plugin/static/src/to_translate/**/*',
-    ],
     'installable': True,
     'application': False,
     'auto_install': True,
diff --git a/addons/mail_plugin/__manifest__.py b/addons/mail_plugin/__manifest__.py
index 4390b3d0b68..2a2e5d29a7b 100644
--- a/addons/mail_plugin/__manifest__.py
+++ b/addons/mail_plugin/__manifest__.py
@@ -13,9 +13,6 @@
         'contacts',
         'iap'
     ],
-    'web.assets_backend': [
-        'mail_plugin/static/src/to_translate/**/*',
-    ],
     'data': [
         'views/mail_plugin_login.xml',
         'views/res_partner_iap_views.xml',
diff --git a/addons/project_mail_plugin/__manifest__.py b/addons/project_mail_plugin/__manifest__.py
index ecaa4f69956..e3350ab76c2 100644
--- a/addons/project_mail_plugin/__manifest__.py
+++ b/addons/project_mail_plugin/__manifest__.py
@@ -12,9 +12,6 @@
         'views/project_task_views.xml'
     ],
     'website': 'https://www.odoo.com/app/project',
-    'web.assets_backend': [
-        'project_mail_plugin/static/src/to_translate/**/*',
-    ],
     'depends': [
         'project',
         'mail_plugin',