diff --git a/lib/Slic3r/GUI/Plater.pm b/lib/Slic3r/GUI/Plater.pm
index a79358a9f..df9bdbd16 100644
--- a/lib/Slic3r/GUI/Plater.pm
+++ b/lib/Slic3r/GUI/Plater.pm
@@ -916,8 +916,6 @@ sub resume_background_process {
     
     if ($self->{process_thread} || $self->{export_thread}) {
         Slic3r::resume_threads();
-    } else {
-        $self->schedule_background_process;
     }
 }