diff --git a/lib/Slic3r/GUI/Plater.pm b/lib/Slic3r/GUI/Plater.pm
index 600008e32..a79358a9f 100644
--- a/lib/Slic3r/GUI/Plater.pm
+++ b/lib/Slic3r/GUI/Plater.pm
@@ -531,7 +531,6 @@ sub remove {
     
     $self->select_object(undef);
     $self->update;
-    $self->{canvas}->Refresh;
     
     $self->schedule_background_process;
 }
@@ -548,7 +547,7 @@ sub reset {
     $self->object_list_changed;
     
     $self->select_object(undef);
-    $self->{canvas}->Refresh;
+    $self->update;
 }
 
 sub increase {
diff --git a/lib/Slic3r/GUI/PreviewCanvas.pm b/lib/Slic3r/GUI/PreviewCanvas.pm
index 297d6d643..f77a30223 100644
--- a/lib/Slic3r/GUI/PreviewCanvas.pm
+++ b/lib/Slic3r/GUI/PreviewCanvas.pm
@@ -143,7 +143,6 @@ sub load_object {
             }
         }
     }
-    $self->dirty(1);
 }
 
 sub SetCuttingPlane {