diff --git a/locale/pt_PT/admin.po b/locale/pt/admin.po
similarity index 100%
rename from locale/pt_PT/admin.po
rename to locale/pt/admin.po
diff --git a/locale/pt_PT/api.po b/locale/pt/api.po
similarity index 100%
rename from locale/pt_PT/api.po
rename to locale/pt/api.po
diff --git a/locale/pt_PT/author.po b/locale/pt/author.po
similarity index 100%
rename from locale/pt_PT/author.po
rename to locale/pt/author.po
diff --git a/locale/pt_PT/default.po b/locale/pt/default.po
similarity index 100%
rename from locale/pt_PT/default.po
rename to locale/pt/default.po
diff --git a/locale/pt_PT/editor.po b/locale/pt/editor.po
similarity index 100%
rename from locale/pt_PT/editor.po
rename to locale/pt/editor.po
diff --git a/locale/pt_PT/emails.po b/locale/pt/emails.po
similarity index 100%
rename from locale/pt_PT/emails.po
rename to locale/pt/emails.po
diff --git a/locale/pt_PT/locale.po b/locale/pt/locale.po
similarity index 100%
rename from locale/pt_PT/locale.po
rename to locale/pt/locale.po
diff --git a/locale/pt_PT/manager.po b/locale/pt/manager.po
similarity index 100%
rename from locale/pt_PT/manager.po
rename to locale/pt/manager.po
diff --git a/locale/pt_PT/submission.po b/locale/pt/submission.po
similarity index 100%
rename from locale/pt_PT/submission.po
rename to locale/pt/submission.po
diff --git a/plugins/blocks/browse/locale/pt_PT/locale.po b/plugins/blocks/browse/locale/pt/locale.po
similarity index 100%
rename from plugins/blocks/browse/locale/pt_PT/locale.po
rename to plugins/blocks/browse/locale/pt/locale.po
diff --git a/plugins/blocks/developedBy/locale/pt_PT/locale.po b/plugins/blocks/developedBy/locale/pt/locale.po
similarity index 100%
rename from plugins/blocks/developedBy/locale/pt_PT/locale.po
rename to plugins/blocks/developedBy/locale/pt/locale.po
diff --git a/plugins/blocks/information/locale/pt_PT/locale.po b/plugins/blocks/information/locale/pt/locale.po
similarity index 100%
rename from plugins/blocks/information/locale/pt_PT/locale.po
rename to plugins/blocks/information/locale/pt/locale.po
diff --git a/plugins/blocks/languageToggle/locale/pt_PT/locale.po b/plugins/blocks/languageToggle/locale/pt/locale.po
similarity index 100%
rename from plugins/blocks/languageToggle/locale/pt_PT/locale.po
rename to plugins/blocks/languageToggle/locale/pt/locale.po
diff --git a/plugins/generic/dublinCoreMeta/locale/pt_PT/locale.po b/plugins/generic/dublinCoreMeta/locale/pt/locale.po
similarity index 100%
rename from plugins/generic/dublinCoreMeta/locale/pt_PT/locale.po
rename to plugins/generic/dublinCoreMeta/locale/pt/locale.po
diff --git a/plugins/generic/googleScholar/locale/pt_PT/locale.po b/plugins/generic/googleScholar/locale/pt/locale.po
similarity index 100%
rename from plugins/generic/googleScholar/locale/pt_PT/locale.po
rename to plugins/generic/googleScholar/locale/pt/locale.po
diff --git a/plugins/generic/htmlMonographFile/locale/pt_PT/locale.po b/plugins/generic/htmlMonographFile/locale/pt/locale.po
similarity index 100%
rename from plugins/generic/htmlMonographFile/locale/pt_PT/locale.po
rename to plugins/generic/htmlMonographFile/locale/pt/locale.po
diff --git a/plugins/generic/pdfJsViewer/locale/pt_PT/locale.po b/plugins/generic/pdfJsViewer/locale/pt/locale.po
similarity index 100%
rename from plugins/generic/pdfJsViewer/locale/pt_PT/locale.po
rename to plugins/generic/pdfJsViewer/locale/pt/locale.po
diff --git a/plugins/importexport/csv/locale/pt_PT/locale.po b/plugins/importexport/csv/locale/pt/locale.po
similarity index 100%
rename from plugins/importexport/csv/locale/pt_PT/locale.po
rename to plugins/importexport/csv/locale/pt/locale.po
diff --git a/plugins/importexport/native/locale/pt_PT/locale.po b/plugins/importexport/native/locale/pt/locale.po
similarity index 100%
rename from plugins/importexport/native/locale/pt_PT/locale.po
rename to plugins/importexport/native/locale/pt/locale.po
diff --git a/plugins/importexport/onix30/locale/pt_PT/locale.po b/plugins/importexport/onix30/locale/pt/locale.po
similarity index 100%
rename from plugins/importexport/onix30/locale/pt_PT/locale.po
rename to plugins/importexport/onix30/locale/pt/locale.po
diff --git a/plugins/importexport/users/locale/pt_PT/locale.po b/plugins/importexport/users/locale/pt/locale.po
similarity index 100%
rename from plugins/importexport/users/locale/pt_PT/locale.po
rename to plugins/importexport/users/locale/pt/locale.po
diff --git a/plugins/paymethod/manual/locale/pt_PT/emails.po b/plugins/paymethod/manual/locale/pt/emails.po
similarity index 100%
rename from plugins/paymethod/manual/locale/pt_PT/emails.po
rename to plugins/paymethod/manual/locale/pt/emails.po
diff --git a/plugins/paymethod/manual/locale/pt_PT/locale.po b/plugins/paymethod/manual/locale/pt/locale.po
similarity index 100%
rename from plugins/paymethod/manual/locale/pt_PT/locale.po
rename to plugins/paymethod/manual/locale/pt/locale.po
diff --git a/plugins/paymethod/paypal/locale/pt_PT/locale.po b/plugins/paymethod/paypal/locale/pt/locale.po
similarity index 100%
rename from plugins/paymethod/paypal/locale/pt_PT/locale.po
rename to plugins/paymethod/paypal/locale/pt/locale.po
diff --git a/plugins/pubIds/urn/locale/pt_PT/locale.po b/plugins/pubIds/urn/locale/pt/locale.po
similarity index 100%
rename from plugins/pubIds/urn/locale/pt_PT/locale.po
rename to plugins/pubIds/urn/locale/pt/locale.po
diff --git a/plugins/themes/default/locale/pt_PT/locale.po b/plugins/themes/default/locale/pt/locale.po
similarity index 100%
rename from plugins/themes/default/locale/pt_PT/locale.po
rename to plugins/themes/default/locale/pt/locale.po