diff --git a/locale/ja_JP.po b/locale/ja_JP.po
deleted file mode 100644
index 3f7e84b33f..0000000000
--- a/locale/ja_JP.po
+++ /dev/null
@@ -1,415 +0,0 @@
-#
-msgid ""
-msgstr "Content-Type: text/plain; charset=utf-8\n"
-
-msgctxt "error:purchase.request.quotation.create:"
-msgid "A quotation was already made for the request \"%(request)s\"."
-msgstr ""
-
-msgctxt "field:purchase.configuration,purchase_request_quotation_sequence:"
-msgid "Purchase Request Quotation Sequence"
-msgstr ""
-
-msgctxt ""
-"field:purchase.configuration.sequence,purchase_request_quotation_sequence:"
-msgid "Purchase Request Quotation Sequence"
-msgstr ""
-
-msgctxt "field:purchase.request,best_quotation_line:"
-msgid "Best Quotation Line"
-msgstr ""
-
-msgctxt "field:purchase.request,preferred_quotation_line:"
-msgid "Preferred Quotation Line"
-msgstr ""
-
-msgctxt "field:purchase.request,quotation_lines:"
-msgid "Quotation Lines"
-msgstr ""
-
-msgctxt "field:purchase.request,quotation_lines_active:"
-msgid "Active Quotation Lines"
-msgstr ""
-
-msgctxt "field:purchase.request.quotation,company:"
-msgid "Company"
-msgstr ""
-
-msgctxt "field:purchase.request.quotation,create_date:"
-msgid "Create Date"
-msgstr ""
-
-msgctxt "field:purchase.request.quotation,create_uid:"
-msgid "Create User"
-msgstr ""
-
-msgctxt "field:purchase.request.quotation,id:"
-msgid "ID"
-msgstr ""
-
-msgctxt "field:purchase.request.quotation,lines:"
-msgid "Lines"
-msgstr ""
-
-msgctxt "field:purchase.request.quotation,number:"
-msgid "Number"
-msgstr ""
-
-msgctxt "field:purchase.request.quotation,rec_name:"
-msgid "Record Name"
-msgstr ""
-
-msgctxt "field:purchase.request.quotation,reference:"
-msgid "Reference"
-msgstr ""
-
-msgctxt "field:purchase.request.quotation,revision:"
-msgid "Revision"
-msgstr ""
-
-msgctxt "field:purchase.request.quotation,state:"
-msgid "State"
-msgstr ""
-
-msgctxt "field:purchase.request.quotation,supplier:"
-msgid "Supplier"
-msgstr ""
-
-msgctxt "field:purchase.request.quotation,supplier_address:"
-msgid "Supplier Address"
-msgstr ""
-
-msgctxt "field:purchase.request.quotation,warehouse:"
-msgid "Warehouse"
-msgstr ""
-
-msgctxt "field:purchase.request.quotation,write_date:"
-msgid "Write Date"
-msgstr ""
-
-msgctxt "field:purchase.request.quotation,write_uid:"
-msgid "Write User"
-msgstr ""
-
-msgctxt "field:purchase.request.quotation.create.ask_suppliers,id:"
-msgid "ID"
-msgstr ""
-
-msgctxt "field:purchase.request.quotation.create.ask_suppliers,suppliers:"
-msgid "Suppliers"
-msgstr ""
-
-msgctxt "field:purchase.request.quotation.create.succeed,id:"
-msgid "ID"
-msgstr ""
-
-msgctxt "field:purchase.request.quotation.create.succeed,number_quotations:"
-msgid "Number of Created Quotations"
-msgstr ""
-
-msgctxt "field:purchase.request.quotation.line,create_date:"
-msgid "Create Date"
-msgstr ""
-
-msgctxt "field:purchase.request.quotation.line,create_uid:"
-msgid "Create User"
-msgstr ""
-
-msgctxt "field:purchase.request.quotation.line,currency:"
-msgid "Currency"
-msgstr ""
-
-msgctxt "field:purchase.request.quotation.line,currency_digits:"
-msgid "Currency Digits"
-msgstr ""
-
-msgctxt "field:purchase.request.quotation.line,description:"
-msgid "Description"
-msgstr ""
-
-msgctxt "field:purchase.request.quotation.line,id:"
-msgid "ID"
-msgstr ""
-
-msgctxt "field:purchase.request.quotation.line,product:"
-msgid "Product"
-msgstr ""
-
-msgctxt "field:purchase.request.quotation.line,product_uom_category:"
-msgid "Product Uom Category"
-msgstr ""
-
-msgctxt "field:purchase.request.quotation.line,quantity:"
-msgid "Quantity"
-msgstr ""
-
-#, fuzzy
-msgctxt "field:purchase.request.quotation.line,quotation:"
-msgid "Quotation"
-msgstr "Quotations"
-
-msgctxt "field:purchase.request.quotation.line,quotation_state:"
-msgid "Request for Quotation State"
-msgstr ""
-
-msgctxt "field:purchase.request.quotation.line,rec_name:"
-msgid "Record Name"
-msgstr ""
-
-msgctxt "field:purchase.request.quotation.line,request:"
-msgid "Request"
-msgstr ""
-
-msgctxt "field:purchase.request.quotation.line,supplier:"
-msgid "Supplier"
-msgstr ""
-
-msgctxt "field:purchase.request.quotation.line,supply_date:"
-msgid "Supply Date"
-msgstr ""
-
-msgctxt "field:purchase.request.quotation.line,unit:"
-msgid "Unit"
-msgstr ""
-
-msgctxt "field:purchase.request.quotation.line,unit_digits:"
-msgid "Unit Digits"
-msgstr ""
-
-msgctxt "field:purchase.request.quotation.line,unit_price:"
-msgid "Unit Price"
-msgstr ""
-
-msgctxt "field:purchase.request.quotation.line,write_date:"
-msgid "Write Date"
-msgstr ""
-
-msgctxt "field:purchase.request.quotation.line,write_uid:"
-msgid "Write User"
-msgstr ""
-
-msgctxt "help:purchase.request,preferred_quotation_line:"
-msgid ""
-"The quotation that will be chosen to create the purchase\n"
-"otherwise first ordered received quotation line will be selected."
-msgstr ""
-
-msgctxt "help:purchase.request.quotation,number:"
-msgid "The unique identifier of the quotation."
-msgstr ""
-
-msgctxt "help:purchase.request.quotation,reference:"
-msgid "The reference used by the supplier."
-msgstr ""
-
-msgctxt "help:purchase.request.quotation,revision:"
-msgid "Number incremented each time the quotation is sent."
-msgstr ""
-
-msgctxt "help:purchase.request.quotation.line,request:"
-msgid "The request which this line belongs to."
-msgstr ""
-
-msgctxt "help:purchase.request.quotation.line,supply_date:"
-msgid "When it should be delivered."
-msgstr ""
-
-msgctxt "model:ir.action,name:act_purchase_request_form"
-msgid "Quotations"
-msgstr "Quotations"
-
-msgctxt "model:ir.action,name:act_purchase_request_quotation_form"
-msgid "Purchase Request Quotations"
-msgstr "Purchase Request Quotations"
-
-msgctxt "model:ir.action,name:report_purchase_request_quotation"
-msgid "Purchase Request Quotation"
-msgstr "Purchase Request Quotation"
-
-msgctxt "model:ir.action,name:wizard_create_quotation"
-msgid "Create Quotation"
-msgstr "Create Quotation"
-
-msgctxt ""
-"model:ir.action.act_window.domain,name:act_purchase_request_quotation_form_view1_domain_all"
-msgid "All"
-msgstr "All"
-
-msgctxt ""
-"model:ir.action.act_window.domain,name:act_purchase_request_quotation_form_view1_domain_draft"
-msgid "Draft"
-msgstr "Draft"
-
-msgctxt ""
-"model:ir.action.act_window.domain,name:act_purchase_request_quotation_form_view1_domain_sent"
-msgid "Sent"
-msgstr "Sent"
-
-msgctxt "model:ir.sequence,name:sequence_purchase_request_quotation"
-msgid "Purchase Request Quotation"
-msgstr "Purchase Request Quotation"
-
-msgctxt "model:ir.sequence.type,name:sequence_type_purchase_request_quotation"
-msgid "Purchase Request Quotation"
-msgstr "Purchase Request Quotation"
-
-msgctxt "model:ir.ui.menu,name:menu_purchase_request_quotation_form"
-msgid "Purchase Request Quotations"
-msgstr "Purchase Request Quotations"
-
-#, fuzzy
-msgctxt "model:purchase.request.quotation,name:"
-msgid "Purchase Request For Quotation"
-msgstr "Purchase Request Quotation"
-
-msgctxt "model:purchase.request.quotation.create.ask_suppliers,name:"
-msgid "Create Purchase Request Quotation Ask Suppliers"
-msgstr ""
-
-msgctxt "model:purchase.request.quotation.create.succeed,name:"
-msgid "Create Purchase Request Quotation Succeed"
-msgstr ""
-
-#, fuzzy
-msgctxt "model:purchase.request.quotation.line,name:"
-msgid "Purchase Request For Quotation Line"
-msgstr "Purchase Request Quotation"
-
-#, fuzzy
-msgctxt "report:purchase.request.quotation:"
-msgid ":"
-msgstr ":"
-
-msgctxt "report:purchase.request.quotation:"
-msgid "Date:"
-msgstr ""
-
-msgctxt "report:purchase.request.quotation:"
-msgid "Delivery Address:"
-msgstr ""
-
-msgctxt "report:purchase.request.quotation:"
-msgid "Description"
-msgstr ""
-
-#, fuzzy
-msgctxt "report:purchase.request.quotation:"
-msgid "Draft"
-msgstr "Draft"
-
-msgctxt "report:purchase.request.quotation:"
-msgid "Expected Supply Date"
-msgstr ""
-
-msgctxt "report:purchase.request.quotation:"
-msgid "Purchase"
-msgstr ""
-
-msgctxt "report:purchase.request.quotation:"
-msgid "Quantity"
-msgstr ""
-
-#, fuzzy
-msgctxt "report:purchase.request.quotation:"
-msgid "Quotation"
-msgstr "Quotations"
-
-msgctxt "report:purchase.request.quotation:"
-msgid "Reference:"
-msgstr ""
-
-msgctxt "report:purchase.request.quotation:"
-msgid "Request for Quotation N°:"
-msgstr ""
-
-msgctxt "report:purchase.request.quotation:"
-msgid "Revision:"
-msgstr ""
-
-msgctxt "report:purchase.request.quotation:"
-msgid "Unit Price"
-msgstr ""
-
-#, fuzzy
-msgctxt "selection:purchase.request,state:"
-msgid "Quotation"
-msgstr "Quotations"
-
-msgctxt "selection:purchase.request,state:"
-msgid "Received"
-msgstr ""
-
-msgctxt "selection:purchase.request.quotation,state:"
-msgid "Cancelled"
-msgstr ""
-
-#, fuzzy
-msgctxt "selection:purchase.request.quotation,state:"
-msgid "Draft"
-msgstr "Draft"
-
-msgctxt "selection:purchase.request.quotation,state:"
-msgid "Received"
-msgstr ""
-
-msgctxt "selection:purchase.request.quotation,state:"
-msgid "Rejected"
-msgstr ""
-
-#, fuzzy
-msgctxt "selection:purchase.request.quotation,state:"
-msgid "Sent"
-msgstr "Sent"
-
-msgctxt "view:purchase.request.quotation.line:"
-msgid "General"
-msgstr ""
-
-msgctxt "view:purchase.request.quotation:"
-msgid "Cancel"
-msgstr ""
-
-#, fuzzy
-msgctxt "view:purchase.request.quotation:"
-msgid "Draft"
-msgstr "Draft"
-
-msgctxt "view:purchase.request.quotation:"
-msgid "Other Info"
-msgstr ""
-
-#, fuzzy
-msgctxt "view:purchase.request.quotation:"
-msgid "Quotation"
-msgstr "Quotations"
-
-msgctxt "view:purchase.request.quotation:"
-msgid "Receive"
-msgstr ""
-
-msgctxt "view:purchase.request.quotation:"
-msgid "Reject"
-msgstr ""
-
-#, fuzzy
-msgctxt "view:purchase.request.quotation:"
-msgid "Send"
-msgstr "Sent"
-
-#, fuzzy
-msgctxt "view:purchase.request:"
-msgid "Quotations"
-msgstr "Quotations"
-
-msgctxt ""
-"wizard_button:purchase.request.quotation.create,ask_suppliers,create_quotations:"
-msgid "Process"
-msgstr ""
-
-msgctxt "wizard_button:purchase.request.quotation.create,ask_suppliers,end:"
-msgid "Cancel"
-msgstr ""
-
-msgctxt "wizard_button:purchase.request.quotation.create,succeed,end:"
-msgid "Close"
-msgstr ""