diff --git a/locale/ja_JP.po b/locale/ja_JP.po
deleted file mode 100644
index 31bd3c4b35..0000000000
--- a/locale/ja_JP.po
+++ /dev/null
@@ -1,140 +0,0 @@
-#
-msgid ""
-msgstr "Content-Type: text/plain; charset=utf-8\n"
-
-msgctxt "field:account.configuration,dunning_email_fallback:"
-msgid "Fall-back User"
-msgstr ""
-
-msgctxt "field:account.dunning.email.log,create_date:"
-msgid "Create Date"
-msgstr ""
-
-msgctxt "field:account.dunning.email.log,create_uid:"
-msgid "Create User"
-msgstr ""
-
-msgctxt "field:account.dunning.email.log,date:"
-msgid "Date"
-msgstr ""
-
-msgctxt "field:account.dunning.email.log,dunning:"
-msgid "Dunning"
-msgstr ""
-
-msgctxt "field:account.dunning.email.log,id:"
-msgid "ID"
-msgstr ""
-
-msgctxt "field:account.dunning.email.log,level:"
-msgid "Level"
-msgstr ""
-
-msgctxt "field:account.dunning.email.log,rec_name:"
-msgid "Record Name"
-msgstr ""
-
-msgctxt "field:account.dunning.email.log,recipients:"
-msgid "Recipients"
-msgstr ""
-
-msgctxt "field:account.dunning.email.log,recipients_hidden:"
-msgid "Hidden Recipients"
-msgstr ""
-
-msgctxt "field:account.dunning.email.log,recipients_secondary:"
-msgid "Secondary Recipients"
-msgstr ""
-
-msgctxt "field:account.dunning.email.log,write_date:"
-msgid "Write Date"
-msgstr ""
-
-msgctxt "field:account.dunning.email.log,write_uid:"
-msgid "Write User"
-msgstr ""
-
-msgctxt "field:account.dunning.level,email_contact_mechanism:"
-msgid "Contact Mechanism"
-msgstr ""
-
-msgctxt "field:account.dunning.level,email_from:"
-msgid "From"
-msgstr ""
-
-msgctxt "field:account.dunning.level,email_template:"
-msgid "Email Template"
-msgstr ""
-
-msgctxt "field:account.dunning.level,send_email:"
-msgid "Send Email"
-msgstr ""
-
-msgctxt "help:account.configuration,dunning_email_fallback:"
-msgid "User notified when no e-mail is found to send the dunning"
-msgstr ""
-
-msgctxt "help:account.dunning.level,email_contact_mechanism:"
-msgid "Define which e-mail to use from the party's contact mechanisms"
-msgstr ""
-
-msgctxt "help:account.dunning.level,email_from:"
-msgid "Leave empty for the value defined in the configuration file."
-msgstr ""
-
-#, fuzzy
-msgctxt "model:account.dunning.email.log,name:"
-msgid "Dunning Email Log"
-msgstr "Dunning Email"
-
-msgctxt "model:ir.action,name:act_log"
-msgid "Email Logs"
-msgstr "Email Logs"
-
-msgctxt "model:ir.action,name:report_email"
-msgid "Dunning Email"
-msgstr "Dunning Email"
-
-msgctxt "report:account.dunning.letter:"
-msgid "Amount"
-msgstr ""
-
-msgctxt "report:account.dunning.letter:"
-msgid "Date"
-msgstr ""
-
-msgctxt "report:account.dunning.letter:"
-msgid "Date:"
-msgstr ""
-
-msgctxt "report:account.dunning.letter:"
-msgid "Description"
-msgstr ""
-
-msgctxt "report:account.dunning.letter:"
-msgid "Due Date"
-msgstr ""
-
-msgctxt "report:account.dunning.letter:"
-msgid "Fees:"
-msgstr ""
-
-msgctxt "report:account.dunning.letter:"
-msgid "Pending Payments Received"
-msgstr ""
-
-msgctxt "report:account.dunning.letter:"
-msgid "Reference"
-msgstr ""
-
-msgctxt "report:account.dunning.letter:"
-msgid "Reminder Notice"
-msgstr ""
-
-msgctxt "view:account.dunning.email.log:"
-msgid "Time"
-msgstr ""
-
-msgctxt "view:account.dunning.level:"
-msgid "E-mail"
-msgstr ""