diff --git a/components/tachart/tachartteechart.pas b/components/tachart/tachartteechart.pas
index e1cc02db17..e0e099b88f 100644
--- a/components/tachart/tachartteechart.pas
+++ b/components/tachart/tachartteechart.pas
@@ -24,7 +24,8 @@ interface
 
 uses
   Classes, SysUtils,
-  TAGraph, TAChartAxis, TAChartAxisUtils, TAChartUtils, TASeries;
+  TAGraph, TAChartAxis, TAChartAxisUtils, TAChartUtils, TACustomSeries,
+  TASeries;
 
 type
   TChartTeeChart = class helper for TChart
@@ -59,8 +60,33 @@ type
     property AxisIndexY default 1;
   end;
 
+  TChartSeriesStyle = set of (
+    tssIsTemplate, tssDenyChangeType, tssDenyDelete, tssDenyClone,
+    tssIsPersistent, tssHideDataSource);
+
+  TCustomChartSeriesTeeChart = class helper for TCustomChartSeries
+  strict private
+    function GetStyle: TChartSeriesStyle; inline;
+    procedure SetStyle(AValue: TChartSeriesStyle); inline;
+  published
+    // Does not do anything, just avoid IFDEFs in client code.
+    property Style: TChartSeriesStyle read GetStyle write SetStyle default [];
+  end;
+
 implementation
 
+{ TCustomChartSeriesTeeChart }
+
+function TCustomChartSeriesTeeChart.GetStyle: TChartSeriesStyle;
+begin
+  Result := [];
+end;
+
+procedure TCustomChartSeriesTeeChart.SetStyle(AValue: TChartSeriesStyle);
+begin
+  Unused(AValue);
+end;
+
 { THorizBarSeries }
 
 function THorizBarSeries.AddXY(