diff --git a/2.10/Source/FormRender.pas b/2.10/Source/FormRender.pas
index be3d348..8d18596 100644
--- a/2.10/Source/FormRender.pas
+++ b/2.10/Source/FormRender.pas
@@ -653,7 +653,7 @@ begin
   ShowMemoryStatus;
   Ratio := ImageWidth / ImageHeight;
   chkSaveIncompleteRenders.Checked := SaveIncompleteRenders;
-  chkThreadPriority.Checked := LowerRenderPriority;
+//  chkThreadPriority.Checked := LowerRenderPriority;
 end;
 
 procedure TRenderForm.txtWidthChange(Sender: TObject);
@@ -1054,9 +1054,9 @@ end;
 
 procedure TRenderForm.chkThreadPriorityClick(Sender: TObject);
 begin
+{
   LowerRenderPriority := chkThreadPriority.Checked;
 
-{
   if Assigned(Renderer) then begin
     if LowerRenderPriority then
       Renderer.SetPriority(tpLower)
diff --git a/2.10/Source/Global.pas b/2.10/Source/Global.pas
index 82dd088..234d09a 100644
--- a/2.10/Source/Global.pas
+++ b/2.10/Source/Global.pas
@@ -151,13 +151,12 @@ var
 
   SaveIncompleteRenders: boolean;
   ShowRenderStats: boolean;
-  LowerRenderPriority: boolean;
+  //LowerRenderPriority: boolean;
 
   SymmetryType: integer;
   SymmetryOrder: integer;
   SymmetryNVars: integer;
   Variations: array of boolean;
-  //VariationOptions: int64;
 
   MainForm_RotationMode: integer;
   PreserveQuality: boolean;