diff --git a/lib/src/chart/bar_chart/bar_chart_data.dart b/lib/src/chart/bar_chart/bar_chart_data.dart
index 9552c6247..d6a4ed704 100644
--- a/lib/src/chart/bar_chart/bar_chart_data.dart
+++ b/lib/src/chart/bar_chart/bar_chart_data.dart
@@ -761,6 +761,7 @@ class BarTouchTooltipData with EquatableMixin {
         super();
 
   /// Sets a rounded radius for the tooltip.
+  @Deprecated('use tooltipBorderRadius instead')
   final double tooltipRoundedRadius;
 
   /// Sets a border radius for the tooltip.