diff --git a/plugins/calendar/calendar_ui.js b/plugins/calendar/calendar_ui.js
index 3d580e87..5f79cac5 100644
--- a/plugins/calendar/calendar_ui.js
+++ b/plugins/calendar/calendar_ui.js
@@ -550,7 +550,7 @@ function rcube_calendar_ui(settings)
         buttons[rcmail.gettext('edit', 'calendar')] = function() {
           event_edit_dialog('edit', event);
         };
-        buttons[rcmail.gettext('remove', 'calendar')] = function() {
+        buttons[rcmail.gettext('delete', 'calendar')] = function() {
           me.delete_event(event);
           $dialog.dialog('close');
         };
@@ -2495,7 +2495,7 @@ function rcube_calendar_ui(settings)
 
         if (!event.recurrence) {
           buttons.push({
-            text: rcmail.gettext((action == 'remove' ? 'remove' : 'save'), 'calendar'),
+            text: rcmail.gettext((action == 'remove' ? 'delete' : 'save'), 'calendar'),
             click: function() {
               data._notify = notify && $dialog.find('input.confirm-attendees-donotify:checked').length ? 1 : 0;
               data.decline = decline && $dialog.find('input.confirm-attendees-decline:checked').length ? 1 : 0;
diff --git a/plugins/calendar/localization/en_US.inc b/plugins/calendar/localization/en_US.inc
index 7755aa70..630a47bb 100644
--- a/plugins/calendar/localization/en_US.inc
+++ b/plugins/calendar/localization/en_US.inc
@@ -254,9 +254,9 @@ $labels['importerror'] = 'An error occured while importing';
 $labels['aclnorights'] = 'You do not have administrator rights on this calendar.';
 
 $labels['changeeventconfirm'] = 'Change event';
-$labels['removeeventconfirm'] = 'Remove event';
+$labels['removeeventconfirm'] = 'Delete event';
 $labels['changerecurringeventwarning'] = 'This is a recurring event. Would you like to edit the current event only, this and all future occurences, all occurences or save it as a new event?';
-$labels['removerecurringeventwarning'] = 'This is a recurring event. Would you like to remove the current event only, this and all future occurences or all occurences of this event?';
+$labels['removerecurringeventwarning'] = 'This is a recurring event. Would you like to delete the current event only, this and all future occurences or all occurences of this event?';
 $labels['currentevent'] = 'Current';
 $labels['futurevents'] = 'Future';
 $labels['allevents'] = 'All';