diff --git a/lcl/buttonpanel.pas b/lcl/buttonpanel.pas
index 4cab71c05d..f28d505b7d 100644
--- a/lcl/buttonpanel.pas
+++ b/lcl/buttonpanel.pas
@@ -19,7 +19,7 @@ unit ButtonPanel;
 interface
 
 uses
-  Types, SysUtils, Classes, Controls, ExtCtrls, Buttons, Forms, GraphType,
+  Types, SysUtils, Classes, Controls, ExtCtrls, StdCtrls, Buttons, Forms, GraphType,
   Graphics, LMessages, LCLStrConsts, Themes;
 
 type
diff --git a/lcl/buttons.pp b/lcl/buttons.pp
index 4df7ecaaed..33c8395d22 100644
--- a/lcl/buttons.pp
+++ b/lcl/buttons.pp
@@ -67,11 +67,6 @@ type
   }
   TNumGlyphs = 1..5;
 
-  {Some type aliases, because TButton is now in StdCtrls,
-   but was in this unit in Lazarus 0.9.22 and earlier}
-  TCustomButton = StdCtrls.TCustomButton;
-  TButton = StdCtrls.TButton;
-
   { TButtonGlyph }
   TGlyphTransparencyMode = (
     gtmGlyph,       // transparency is defined by the glyph itself (bitbtn)