diff --git a/addons/web_diagram/i18n/lb.po b/addons/web_diagram/i18n/lb.po
deleted file mode 100644
index 73977594fad..00000000000
--- a/addons/web_diagram/i18n/lb.po
+++ /dev/null
@@ -1,78 +0,0 @@
-# Translation of Odoo Server.
-# This file contains the translation of the following modules:
-# 	* web_diagram
-# 
-msgid ""
-msgstr ""
-"Project-Id-Version: Odoo Server saas~12.4\n"
-"Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2019-08-12 11:32+0000\n"
-"PO-Revision-Date: 2019-08-26 09:15+0000\n"
-"Language-Team: Luxembourgish (https://www.transifex.com/odoo/teams/41243/lb/)\n"
-"MIME-Version: 1.0\n"
-"Content-Type: text/plain; charset=UTF-8\n"
-"Content-Transfer-Encoding: \n"
-"Language: lb\n"
-"Plural-Forms: nplurals=2; plural=(n != 1);\n"
-
-#. module: web_diagram
-#. openerp-web
-#: code:addons/web_diagram/static/src/js/diagram_controller.js:73
-#: code:addons/web_diagram/static/src/js/diagram_controller.js:160
-#, python-format
-msgid "Activity"
-msgstr ""
-
-#. module: web_diagram
-#. openerp-web
-#: code:addons/web_diagram/static/src/js/diagram_controller.js:192
-#, python-format
-msgid ""
-"Are you sure you want to remove this node ? This will remove its connected "
-"transitions as well."
-msgstr ""
-
-#. module: web_diagram
-#. openerp-web
-#: code:addons/web_diagram/static/src/js/diagram_controller.js:172
-#, python-format
-msgid "Are you sure you want to remove this transition?"
-msgstr ""
-
-#. module: web_diagram
-#. openerp-web
-#: code:addons/web_diagram/static/src/js/diagram_controller.js:73
-#: code:addons/web_diagram/static/src/js/diagram_controller.js:110
-#, python-format
-msgid "Create:"
-msgstr ""
-
-#. module: web_diagram
-#. openerp-web
-#: code:addons/web_diagram/static/src/js/diagram_view.js:16
-#, python-format
-msgid "Diagram"
-msgstr ""
-
-#. module: web_diagram
-#. openerp-web
-#: code:addons/web_diagram/static/src/xml/base_diagram.xml:5
-#, python-format
-msgid "New Node"
-msgstr ""
-
-#. module: web_diagram
-#. openerp-web
-#: code:addons/web_diagram/static/src/js/diagram_controller.js:143
-#: code:addons/web_diagram/static/src/js/diagram_controller.js:160
-#, python-format
-msgid "Open:"
-msgstr ""
-
-#. module: web_diagram
-#. openerp-web
-#: code:addons/web_diagram/static/src/js/diagram_controller.js:110
-#: code:addons/web_diagram/static/src/js/diagram_controller.js:143
-#, python-format
-msgid "Transition"
-msgstr ""