diff --git a/locale/ja_JP.po b/locale/ja_JP.po
deleted file mode 100644
index aee9570c22..0000000000
--- a/locale/ja_JP.po
+++ /dev/null
@@ -1,19 +0,0 @@
-#
-msgid ""
-msgstr "Content-Type: text/plain; charset=utf-8\n"
-
-msgctxt "field:production.routing.operation,timesheet_available:"
-msgid "Available on timesheets"
-msgstr ""
-
-msgctxt "field:production.work,timesheet_available:"
-msgid "Available on timesheets"
-msgstr ""
-
-msgctxt "field:production.work,timesheet_lines:"
-msgid "Timesheet Lines"
-msgstr ""
-
-msgctxt "field:production.work,timesheet_works:"
-msgid "Timesheet Works"
-msgstr ""