diff --git a/locale/es_AR.po b/locale/es_AR.po
deleted file mode 100644
index d5b71d4139..0000000000
--- a/locale/es_AR.po
+++ /dev/null
@@ -1,152 +0,0 @@
-# 
-msgid ""
-msgstr "Content-Type: text/plain; charset=utf-8\n"
-
-msgctxt "error:project.work:"
-msgid "There is no list price on work \"%s\"."
-msgstr "No hay ninguna lista de precio en la actividad «%s»."
-
-msgctxt "error:project.work:"
-msgid "There is no party on work \"%s\"."
-msgstr "No hay ninguna entidad en la actividad «%s»."
-
-msgctxt "error:project.work:"
-msgid "There is no product on work \"%s\"."
-msgstr "No hay ningún producto en la actividad «%s»."
-
-msgctxt "error:timesheet.line:"
-msgid "You can not delete invoiced line."
-msgstr ""
-
-msgctxt "error:timesheet.line:"
-msgid "You can not modify invoiced line."
-msgstr ""
-
-msgctxt "field:project.work,duration_to_invoice:"
-msgid "Duration to Invoice"
-msgstr "Duración a facturar"
-
-msgctxt "field:project.work,invoice_line:"
-msgid "Invoice Line"
-msgstr ""
-
-msgctxt "field:project.work,invoice_method:"
-msgid "Invoice Method"
-msgstr ""
-
-msgctxt "field:project.work,invoiced_amount:"
-msgid "Invoiced Amount"
-msgstr ""
-
-msgctxt "field:project.work,invoiced_duration:"
-msgid "Invoiced Duration"
-msgstr "Duración facturada"
-
-msgctxt "field:project.work,invoiced_progress:"
-msgid "Invoiced Progress"
-msgstr ""
-
-msgctxt "field:project.work,project_invoice_method:"
-msgid "Invoice Method"
-msgstr ""
-
-msgctxt "field:project.work.invoiced_progress,create_date:"
-msgid "Create Date"
-msgstr ""
-
-msgctxt "field:project.work.invoiced_progress,create_uid:"
-msgid "Create User"
-msgstr ""
-
-msgctxt "field:project.work.invoiced_progress,effort_duration:"
-msgid "Effort"
-msgstr "Esfuerzo"
-
-msgctxt "field:project.work.invoiced_progress,id:"
-msgid "ID"
-msgstr ""
-
-msgctxt "field:project.work.invoiced_progress,invoice_line:"
-msgid "Invoice Line"
-msgstr ""
-
-msgctxt "field:project.work.invoiced_progress,rec_name:"
-msgid "Name"
-msgstr ""
-
-msgctxt "field:project.work.invoiced_progress,work:"
-msgid "Work"
-msgstr "Actividad"
-
-msgctxt "field:project.work.invoiced_progress,write_date:"
-msgid "Write Date"
-msgstr ""
-
-msgctxt "field:project.work.invoiced_progress,write_uid:"
-msgid "Write User"
-msgstr ""
-
-msgctxt "field:timesheet.line,invoice_line:"
-msgid "Invoice Line"
-msgstr ""
-
-#, fuzzy
-msgctxt "model:ir.action,name:act_timesheet_line_form_invoice"
-msgid "Timesheet Lines"
-msgstr "Líneas del parte de trabajo"
-
-msgctxt "model:ir.action,name:open_invoice"
-msgid "Invoices"
-msgstr ""
-
-msgctxt "model:project.work.invoiced_progress,name:"
-msgid "Work Invoiced Progress"
-msgstr "Progreso facturado de actividad"
-
-msgctxt "model:res.group,name:group_project_invoice"
-msgid "Project Invoice"
-msgstr ""
-
-msgctxt "selection:project.work,invoice_method:"
-msgid "Manual"
-msgstr ""
-
-msgctxt "selection:project.work,invoice_method:"
-msgid "On Effort"
-msgstr ""
-
-msgctxt "selection:project.work,invoice_method:"
-msgid "On Progress"
-msgstr "Según progreso"
-
-msgctxt "selection:project.work,invoice_method:"
-msgid "On Timesheet"
-msgstr ""
-
-msgctxt "selection:project.work,project_invoice_method:"
-msgid "Manual"
-msgstr ""
-
-msgctxt "selection:project.work,project_invoice_method:"
-msgid "On Effort"
-msgstr ""
-
-msgctxt "selection:project.work,project_invoice_method:"
-msgid "On Progress"
-msgstr "Según progreso"
-
-msgctxt "selection:project.work,project_invoice_method:"
-msgid "On Timesheet"
-msgstr ""
-
-msgctxt "view:project.work.invoiced_progress:"
-msgid "Work Invoiced Progress"
-msgstr "Progreso facturado de actividad"
-
-msgctxt "view:project.work.invoiced_progress:"
-msgid "Work Invoiced Progresses"
-msgstr "Progresos facturados de actividad"
-
-msgctxt "view:project.work:"
-msgid "Invoice"
-msgstr ""
diff --git a/locale/es_CO.po b/locale/es_CO.po
deleted file mode 100644
index 66d2d3ac4a..0000000000
--- a/locale/es_CO.po
+++ /dev/null
@@ -1,153 +0,0 @@
-# 
-msgid ""
-msgstr "Content-Type: text/plain; charset=utf-8\n"
-
-msgctxt "error:project.work:"
-msgid "There is no list price on work \"%s\"."
-msgstr "No hay lista de precios en la tarea \"%s\"."
-
-msgctxt "error:project.work:"
-msgid "There is no party on work \"%s\"."
-msgstr "No hay tercero en la tarea \"%s\"."
-
-msgctxt "error:project.work:"
-msgid "There is no product on work \"%s\"."
-msgstr "No hay producto en la tarea \"%s\"."
-
-msgctxt "error:timesheet.line:"
-msgid "You can not delete invoiced line."
-msgstr "No puede eliminar líneas facturadas."
-
-msgctxt "error:timesheet.line:"
-msgid "You can not modify invoiced line."
-msgstr "No puede modificar una línea facurada."
-
-msgctxt "field:project.work,duration_to_invoice:"
-msgid "Duration to Invoice"
-msgstr "Duración de Factura"
-
-msgctxt "field:project.work,invoice_line:"
-msgid "Invoice Line"
-msgstr "Línea de Factura"
-
-msgctxt "field:project.work,invoice_method:"
-msgid "Invoice Method"
-msgstr "Método de Facturación"
-
-msgctxt "field:project.work,invoiced_amount:"
-msgid "Invoiced Amount"
-msgstr "Valor Facturado"
-
-msgctxt "field:project.work,invoiced_duration:"
-msgid "Invoiced Duration"
-msgstr "Duración de la Facturación"
-
-msgctxt "field:project.work,invoiced_progress:"
-msgid "Invoiced Progress"
-msgstr "Progreso de la Facturación"
-
-msgctxt "field:project.work,project_invoice_method:"
-msgid "Invoice Method"
-msgstr "Método de Facturación"
-
-msgctxt "field:project.work.invoiced_progress,create_date:"
-msgid "Create Date"
-msgstr "Fecha de Creación"
-
-msgctxt "field:project.work.invoiced_progress,create_uid:"
-msgid "Create User"
-msgstr "Creado por Usuario"
-
-msgctxt "field:project.work.invoiced_progress,effort_duration:"
-msgid "Effort"
-msgstr "Esfuerzo"
-
-msgctxt "field:project.work.invoiced_progress,id:"
-msgid "ID"
-msgstr ""
-
-msgctxt "field:project.work.invoiced_progress,invoice_line:"
-msgid "Invoice Line"
-msgstr "Línea de Factura"
-
-msgctxt "field:project.work.invoiced_progress,rec_name:"
-msgid "Name"
-msgstr ""
-
-msgctxt "field:project.work.invoiced_progress,work:"
-msgid "Work"
-msgstr "Tarea"
-
-msgctxt "field:project.work.invoiced_progress,write_date:"
-msgid "Write Date"
-msgstr "Fecha de Modificación"
-
-msgctxt "field:project.work.invoiced_progress,write_uid:"
-msgid "Write User"
-msgstr "Modificado por Usuario"
-
-msgctxt "field:timesheet.line,invoice_line:"
-msgid "Invoice Line"
-msgstr "Línea de Factura"
-
-msgctxt "model:ir.action,name:act_timesheet_line_form_invoice"
-msgid "Timesheet Lines"
-msgstr "Lineas de Registro de Tiempo"
-
-#, fuzzy
-msgctxt "model:ir.action,name:open_invoice"
-msgid "Invoices"
-msgstr "Facturas"
-
-msgctxt "model:project.work.invoiced_progress,name:"
-msgid "Work Invoiced Progress"
-msgstr "Progreso de Tareas Facturadas"
-
-msgctxt "model:res.group,name:group_project_invoice"
-msgid "Project Invoice"
-msgstr "Facturación de Proyecto"
-
-msgctxt "selection:project.work,invoice_method:"
-msgid "Manual"
-msgstr ""
-
-msgctxt "selection:project.work,invoice_method:"
-msgid "On Effort"
-msgstr "Por Esfuerzo"
-
-msgctxt "selection:project.work,invoice_method:"
-msgid "On Progress"
-msgstr "En Progreso"
-
-msgctxt "selection:project.work,invoice_method:"
-msgid "On Timesheet"
-msgstr "Por Registro de Tiempo"
-
-msgctxt "selection:project.work,project_invoice_method:"
-msgid "Manual"
-msgstr ""
-
-msgctxt "selection:project.work,project_invoice_method:"
-msgid "On Effort"
-msgstr "Por Esfuerzo"
-
-msgctxt "selection:project.work,project_invoice_method:"
-msgid "On Progress"
-msgstr "En Progreso"
-
-msgctxt "selection:project.work,project_invoice_method:"
-msgid "On Timesheet"
-msgstr "Por Registro de Tiempo"
-
-msgctxt "view:project.work.invoiced_progress:"
-msgid "Work Invoiced Progress"
-msgstr "Progreso de Tareas Facturadas"
-
-msgctxt "view:project.work.invoiced_progress:"
-msgid "Work Invoiced Progresses"
-msgstr "Progresos de Tareas Facturadas"
-
-#, fuzzy
-msgctxt "view:project.work:"
-msgid "Invoice"
-msgstr "Factura de Venta"
diff --git a/locale/es_EC.po b/locale/es_EC.po
deleted file mode 100644
index bd2a6974dd..0000000000
--- a/locale/es_EC.po
+++ /dev/null
@@ -1,154 +0,0 @@
-# 
-msgid ""
-msgstr "Content-Type: text/plain; charset=utf-8\n"
-
-msgctxt "error:project.work:"
-msgid "There is no list price on work \"%s\"."
-msgstr ""
-
-msgctxt "error:project.work:"
-msgid "There is no party on work \"%s\"."
-msgstr ""
-
-msgctxt "error:project.work:"
-msgid "There is no product on work \"%s\"."
-msgstr ""
-
-msgctxt "error:timesheet.line:"
-msgid "You can not delete invoiced line."
-msgstr ""
-
-msgctxt "error:timesheet.line:"
-msgid "You can not modify invoiced line."
-msgstr ""
-
-msgctxt "field:project.work,duration_to_invoice:"
-msgid "Duration to Invoice"
-msgstr "Duración a facturar"
-
-msgctxt "field:project.work,invoice_line:"
-msgid "Invoice Line"
-msgstr ""
-
-msgctxt "field:project.work,invoice_method:"
-msgid "Invoice Method"
-msgstr ""
-
-msgctxt "field:project.work,invoiced_amount:"
-msgid "Invoiced Amount"
-msgstr ""
-
-msgctxt "field:project.work,invoiced_duration:"
-msgid "Invoiced Duration"
-msgstr "Duración facturada"
-
-msgctxt "field:project.work,invoiced_progress:"
-msgid "Invoiced Progress"
-msgstr ""
-
-msgctxt "field:project.work,project_invoice_method:"
-msgid "Invoice Method"
-msgstr ""
-
-msgctxt "field:project.work.invoiced_progress,create_date:"
-msgid "Create Date"
-msgstr "Fecha de creación"
-
-msgctxt "field:project.work.invoiced_progress,create_uid:"
-msgid "Create User"
-msgstr "Creado por usuario"
-
-msgctxt "field:project.work.invoiced_progress,effort_duration:"
-msgid "Effort"
-msgstr "Esfuerzo"
-
-msgctxt "field:project.work.invoiced_progress,id:"
-msgid "ID"
-msgstr ""
-
-msgctxt "field:project.work.invoiced_progress,invoice_line:"
-msgid "Invoice Line"
-msgstr ""
-
-msgctxt "field:project.work.invoiced_progress,rec_name:"
-msgid "Name"
-msgstr ""
-
-msgctxt "field:project.work.invoiced_progress,work:"
-msgid "Work"
-msgstr ""
-
-msgctxt "field:project.work.invoiced_progress,write_date:"
-msgid "Write Date"
-msgstr "Fecha de modificación"
-
-msgctxt "field:project.work.invoiced_progress,write_uid:"
-msgid "Write User"
-msgstr "Modificado por usuario"
-
-msgctxt "field:timesheet.line,invoice_line:"
-msgid "Invoice Line"
-msgstr ""
-
-#, fuzzy
-msgctxt "model:ir.action,name:act_timesheet_line_form_invoice"
-msgid "Timesheet Lines"
-msgstr "Líneas de parte de trabajo"
-
-#, fuzzy
-msgctxt "model:ir.action,name:open_invoice"
-msgid "Invoices"
-msgstr "Facturas"
-
-msgctxt "model:project.work.invoiced_progress,name:"
-msgid "Work Invoiced Progress"
-msgstr "Progreso facturado de trabajo"
-
-msgctxt "model:res.group,name:group_project_invoice"
-msgid "Project Invoice"
-msgstr "Facturación de Proyectos"
-
-msgctxt "selection:project.work,invoice_method:"
-msgid "Manual"
-msgstr ""
-
-#, fuzzy
-msgctxt "selection:project.work,invoice_method:"
-msgid "On Effort"
-msgstr "Por esfuerzo estimado"
-
-msgctxt "selection:project.work,invoice_method:"
-msgid "On Progress"
-msgstr ""
-
-msgctxt "selection:project.work,invoice_method:"
-msgid "On Timesheet"
-msgstr ""
-
-msgctxt "selection:project.work,project_invoice_method:"
-msgid "Manual"
-msgstr ""
-
-msgctxt "selection:project.work,project_invoice_method:"
-msgid "On Effort"
-msgstr "Por esfuerzo estimado"
-
-msgctxt "selection:project.work,project_invoice_method:"
-msgid "On Progress"
-msgstr ""
-
-msgctxt "selection:project.work,project_invoice_method:"
-msgid "On Timesheet"
-msgstr ""
-
-msgctxt "view:project.work.invoiced_progress:"
-msgid "Work Invoiced Progress"
-msgstr "Progreso facturado de trabajo"
-
-msgctxt "view:project.work.invoiced_progress:"
-msgid "Work Invoiced Progresses"
-msgstr "Progresos facturados de trabajo"
-
-msgctxt "view:project.work:"
-msgid "Invoice"
-msgstr ""
diff --git a/locale/es_MX.po b/locale/es_MX.po
deleted file mode 100644
index bd44bb59d7..0000000000
--- a/locale/es_MX.po
+++ /dev/null
@@ -1,158 +0,0 @@
-# 
-msgid ""
-msgstr "Content-Type: text/plain; charset=utf-8\n"
-
-msgctxt "error:project.work:"
-msgid "There is no list price on work \"%s\"."
-msgstr ""
-
-msgctxt "error:project.work:"
-msgid "There is no party on work \"%s\"."
-msgstr ""
-
-msgctxt "error:project.work:"
-msgid "There is no product on work \"%s\"."
-msgstr ""
-
-msgctxt "error:timesheet.line:"
-msgid "You can not delete invoiced line."
-msgstr ""
-
-msgctxt "error:timesheet.line:"
-msgid "You can not modify invoiced line."
-msgstr ""
-
-msgctxt "field:project.work,duration_to_invoice:"
-msgid "Duration to Invoice"
-msgstr ""
-
-msgctxt "field:project.work,invoice_line:"
-msgid "Invoice Line"
-msgstr ""
-
-msgctxt "field:project.work,invoice_method:"
-msgid "Invoice Method"
-msgstr ""
-
-msgctxt "field:project.work,invoiced_amount:"
-msgid "Invoiced Amount"
-msgstr ""
-
-msgctxt "field:project.work,invoiced_duration:"
-msgid "Invoiced Duration"
-msgstr ""
-
-msgctxt "field:project.work,invoiced_progress:"
-msgid "Invoiced Progress"
-msgstr ""
-
-msgctxt "field:project.work,project_invoice_method:"
-msgid "Invoice Method"
-msgstr ""
-
-#, fuzzy
-msgctxt "field:project.work.invoiced_progress,create_date:"
-msgid "Create Date"
-msgstr "Fecha de creación"
-
-#, fuzzy
-msgctxt "field:project.work.invoiced_progress,create_uid:"
-msgid "Create User"
-msgstr "Creado por usuario"
-
-msgctxt "field:project.work.invoiced_progress,effort_duration:"
-msgid "Effort"
-msgstr ""
-
-msgctxt "field:project.work.invoiced_progress,id:"
-msgid "ID"
-msgstr ""
-
-msgctxt "field:project.work.invoiced_progress,invoice_line:"
-msgid "Invoice Line"
-msgstr ""
-
-msgctxt "field:project.work.invoiced_progress,rec_name:"
-msgid "Name"
-msgstr ""
-
-msgctxt "field:project.work.invoiced_progress,work:"
-msgid "Work"
-msgstr ""
-
-#, fuzzy
-msgctxt "field:project.work.invoiced_progress,write_date:"
-msgid "Write Date"
-msgstr "Fecha de modificación"
-
-#, fuzzy
-msgctxt "field:project.work.invoiced_progress,write_uid:"
-msgid "Write User"
-msgstr "Modificado por usuario"
-
-msgctxt "field:timesheet.line,invoice_line:"
-msgid "Invoice Line"
-msgstr ""
-
-#, fuzzy
-msgctxt "model:ir.action,name:act_timesheet_line_form_invoice"
-msgid "Timesheet Lines"
-msgstr "Líneas de parte de trabajo"
-
-#, fuzzy
-msgctxt "model:ir.action,name:open_invoice"
-msgid "Invoices"
-msgstr "Facturas"
-
-msgctxt "model:project.work.invoiced_progress,name:"
-msgid "Work Invoiced Progress"
-msgstr ""
-
-msgctxt "model:res.group,name:group_project_invoice"
-msgid "Project Invoice"
-msgstr ""
-
-msgctxt "selection:project.work,invoice_method:"
-msgid "Manual"
-msgstr ""
-
-msgctxt "selection:project.work,invoice_method:"
-msgid "On Effort"
-msgstr ""
-
-msgctxt "selection:project.work,invoice_method:"
-msgid "On Progress"
-msgstr ""
-
-msgctxt "selection:project.work,invoice_method:"
-msgid "On Timesheet"
-msgstr ""
-
-msgctxt "selection:project.work,project_invoice_method:"
-msgid "Manual"
-msgstr ""
-
-msgctxt "selection:project.work,project_invoice_method:"
-msgid "On Effort"
-msgstr ""
-
-msgctxt "selection:project.work,project_invoice_method:"
-msgid "On Progress"
-msgstr ""
-
-msgctxt "selection:project.work,project_invoice_method:"
-msgid "On Timesheet"
-msgstr ""
-
-msgctxt "view:project.work.invoiced_progress:"
-msgid "Work Invoiced Progress"
-msgstr ""
-
-msgctxt "view:project.work.invoiced_progress:"
-msgid "Work Invoiced Progresses"
-msgstr ""
-
-#, fuzzy
-msgctxt "view:project.work:"
-msgid "Invoice"
-msgstr "Facturas"