diff --git a/lcl/interfaces/gtk3/gtk3widgets.pas b/lcl/interfaces/gtk3/gtk3widgets.pas
index 85ab79851c..2378d63e15 100755
--- a/lcl/interfaces/gtk3/gtk3widgets.pas
+++ b/lcl/interfaces/gtk3/gtk3widgets.pas
@@ -604,8 +604,6 @@ type
 
   TGtk3Panel = class(TGtk3Bin)
   private
-    FBevelInner: TBevelCut;
-    FBevelOuter: TBevelCut;
     FBorderStyle: TBorderStyle;
     FText: String;
   protected
@@ -615,8 +613,6 @@ type
     function getText: String; override;
     procedure setText(const AValue: String); override;
   public
-    property BevelInner: TBevelCut read FBevelInner write FBevelInner;
-    property BevelOuter: TBevelCut read FBevelOuter write FBevelOuter;
     property BorderStyle: TBorderStyle read FBorderStyle write FBorderStyle;
   end;
 
@@ -3046,8 +3042,6 @@ var
 begin
   FHasPaint := True;
   FBorderStyle := bsNone;
-  FBevelInner := bvNone;
-  FBevelOuter := bvNone;
   // wtLayout = using GtkLayout
   // FWidgetType := [wtWidget, wtLayout];
   // Result := TGtkLayout.new(nil, nil);
diff --git a/lcl/interfaces/gtk3/gtk3wsextctrls.pp b/lcl/interfaces/gtk3/gtk3wsextctrls.pp
index b25d737b3c..51400f3f1d 100644
--- a/lcl/interfaces/gtk3/gtk3wsextctrls.pp
+++ b/lcl/interfaces/gtk3/gtk3wsextctrls.pp
@@ -170,8 +170,6 @@ begin
   APanel := TGtk3Panel.Create(AWinControl, AParams);
 
   APanel.BorderStyle := TCustomControl(AWinControl).BorderStyle;
-  APanel.BevelInner := TCustomPanel(AWinControl).BevelInner;
-  APanel.BevelOuter := TCustomPanel(AWinControl).BevelOuter;
   APanel.Text := AWinControl.Caption;
 
   Result := TLCLIntfHandle(APanel);