diff --git a/locale/ja_JP.po b/locale/ja_JP.po
deleted file mode 100644
index 74c7f6b1a1..0000000000
--- a/locale/ja_JP.po
+++ /dev/null
@@ -1,23 +0,0 @@
-#
-msgid ""
-msgstr "Content-Type: text/plain; charset=utf-8\n"
-
-msgctxt "error:party.address:"
-msgid "Invalid SIRET number \"%(siret)s\" on address \"%(address)s\""
-msgstr ""
-
-msgctxt "error:party.party:"
-msgid "Invalid SIREN number \"%(siren)s\" on party \"%(party)s\"."
-msgstr ""
-
-msgctxt "field:party.address,siret:"
-msgid "SIRET"
-msgstr ""
-
-msgctxt "field:party.address,siret_nic:"
-msgid "SIRET NIC"
-msgstr ""
-
-msgctxt "field:party.party,siren:"
-msgid "SIREN"
-msgstr ""