diff --git a/MPChartLib/src/main/java/com/github/mikephil/charting/interfaces/datasets/ILineScatterCandleRadarDataSet.java b/MPChartLib/src/main/java/com/github/mikephil/charting/interfaces/datasets/ILineScatterCandleRadarDataSet.java
deleted file mode 100644
index 9ab6802556..0000000000
--- a/MPChartLib/src/main/java/com/github/mikephil/charting/interfaces/datasets/ILineScatterCandleRadarDataSet.java
+++ /dev/null
@@ -1,35 +0,0 @@
-package com.github.mikephil.charting.interfaces.datasets;
-
-import android.graphics.DashPathEffect;
-
-import com.github.mikephil.charting.data.Entry;
-
-/**
- * Created by Philipp Jahoda on 21/10/15.
- */
-public interface ILineScatterCandleRadarDataSet<T extends Entry> extends IBarLineScatterCandleBubbleDataSet<T> {
-
-    /**
-     * Returns true if vertical highlight indicator lines are enabled (drawn)
-     * @return
-     */
-    boolean isVerticalHighlightIndicatorEnabled();
-
-    /**
-     * Returns true if vertical highlight indicator lines are enabled (drawn)
-     * @return
-     */
-    boolean isHorizontalHighlightIndicatorEnabled();
-
-    /**
-     * Returns the line-width in which highlight lines are to be drawn.
-     * @return
-     */
-    float getHighlightLineWidth();
-
-    /**
-     * Returns the DashPathEffect that is used for highlighting.
-     * @return
-     */
-    DashPathEffect getDashPathEffectHighlight();
-}
diff --git a/MPChartLib/src/main/java/com/github/mikephil/charting/interfaces/datasets/ILineScatterCandleRadarDataSet.kt b/MPChartLib/src/main/java/com/github/mikephil/charting/interfaces/datasets/ILineScatterCandleRadarDataSet.kt
new file mode 100644
index 0000000000..50b77814d6
--- /dev/null
+++ b/MPChartLib/src/main/java/com/github/mikephil/charting/interfaces/datasets/ILineScatterCandleRadarDataSet.kt
@@ -0,0 +1,30 @@
+package com.github.mikephil.charting.interfaces.datasets
+
+import android.graphics.DashPathEffect
+import com.github.mikephil.charting.data.Entry
+
+interface ILineScatterCandleRadarDataSet<T : Entry> : IBarLineScatterCandleBubbleDataSet<T> {
+    /**
+     * Returns true if vertical highlight indicator lines are enabled (drawn)
+     * @return
+     */
+    val isVerticalHighlightIndicatorEnabled: Boolean
+
+    /**
+     * Returns true if vertical highlight indicator lines are enabled (drawn)
+     * @return
+     */
+    val isHorizontalHighlightIndicatorEnabled: Boolean
+
+    /**
+     * Returns the line-width in which highlight lines are to be drawn.
+     * @return
+     */
+    val highlightLineWidth: Float
+
+    /**
+     * Returns the DashPathEffect that is used for highlighting.
+     * @return
+     */
+    val dashPathEffectHighlight: DashPathEffect?
+}
diff --git a/MPChartLib/src/main/java/com/github/mikephil/charting/renderer/BarChartRenderer.kt b/MPChartLib/src/main/java/com/github/mikephil/charting/renderer/BarChartRenderer.kt
index a54086a457..5279dd1b90 100644
--- a/MPChartLib/src/main/java/com/github/mikephil/charting/renderer/BarChartRenderer.kt
+++ b/MPChartLib/src/main/java/com/github/mikephil/charting/renderer/BarChartRenderer.kt
@@ -515,7 +515,7 @@ open class BarChartRenderer(
             paintHighlight.color = set.highLightColor
             paintHighlight.alpha = set.highLightAlpha
 
-            val isStack = if (high.stackIndex >= 0 && e.isStacked) true else false
+            val isStack = high.stackIndex >= 0 && e.isStacked
 
             val y1: Float
             val y2: Float