diff --git a/src/Router4D.Sidebar.pas b/src/Router4D.Sidebar.pas
index b4335e1..4bf5a5f 100644
--- a/src/Router4D.Sidebar.pas
+++ b/src/Router4D.Sidebar.pas
@@ -1,7 +1,10 @@
 unit Router4D.Sidebar;
 
+{$I Router4D.inc}
+
 interface
 
+{$IFDEF HAS_FMX}
 uses
   Classes,
   SysUtils,
@@ -180,5 +183,8 @@ class function TRouter4DSidebar.New: iRouter4DSidebar;
 begin
     Result := Self.Create;
 end;
+{$ELSE}
+implementation
+{$ENDIF}
 
 end.
diff --git a/src/Router4D.inc b/src/Router4D.inc
index 90c4bdb..cd2a2d7 100644
--- a/src/Router4D.inc
+++ b/src/Router4D.inc
@@ -1 +1 @@
-{$DEFINE HAS_FMX}
\ No newline at end of file
+//{$DEFINE HAS_FMX}
\ No newline at end of file
diff --git a/src/Router4D.pas b/src/Router4D.pas
index 654773a..a983892 100644
--- a/src/Router4D.pas
+++ b/src/Router4D.pas
@@ -30,7 +30,9 @@ type
       class function Render<T : class, constructor> : iRouter4DRender;
       class function Link : iRouter4DLink;
       class function Switch : iRouter4DSwitch;
+      {$IFDEF HAS_FMX}
       class function SideBar : iRouter4DSidebar;
+      {$ENDIF}
   end;
 
 implementation
@@ -82,12 +84,12 @@ begin
           )
       );
 end;
-
+{$IFDEF HAS_FMX}
 class function TRouter4D.SideBar: iRouter4DSidebar;
 begin
   Result := TRouter4DSidebar.New;
 end;
-
+{$ENDIF}
 class function TRouter4D.Switch: iRouter4DSwitch;
 begin
   Result := TRouter4DSwitch.New;