diff --git a/locale/ja_JP.po b/locale/ja_JP.po
deleted file mode 100644
index f48e2cc62b..0000000000
--- a/locale/ja_JP.po
+++ /dev/null
@@ -1,47 +0,0 @@
-#
-msgid ""
-msgstr "Content-Type: text/plain; charset=utf-8\n"
-
-msgctxt "field:purchase.purchase,invoice_lines:"
-msgid "Invoice Lines"
-msgstr ""
-
-msgctxt "field:purchase.purchase,invoice_lines_ignored:"
-msgid "Invoice Lines Ignored"
-msgstr ""
-
-msgctxt "field:purchase.purchase-ignored-account.invoice.line,create_date:"
-msgid "Create Date"
-msgstr ""
-
-msgctxt "field:purchase.purchase-ignored-account.invoice.line,create_uid:"
-msgid "Create User"
-msgstr ""
-
-msgctxt "field:purchase.purchase-ignored-account.invoice.line,id:"
-msgid "ID"
-msgstr ""
-
-msgctxt "field:purchase.purchase-ignored-account.invoice.line,invoice:"
-msgid "Invoice Line"
-msgstr ""
-
-msgctxt "field:purchase.purchase-ignored-account.invoice.line,purchase:"
-msgid "Purchase"
-msgstr ""
-
-msgctxt "field:purchase.purchase-ignored-account.invoice.line,rec_name:"
-msgid "Record Name"
-msgstr ""
-
-msgctxt "field:purchase.purchase-ignored-account.invoice.line,write_date:"
-msgid "Write Date"
-msgstr ""
-
-msgctxt "field:purchase.purchase-ignored-account.invoice.line,write_uid:"
-msgid "Write User"
-msgstr ""
-
-msgctxt "model:purchase.purchase-ignored-account.invoice.line,name:"
-msgid "Purchase - Ignored Invoice Line"
-msgstr ""