diff --git a/chartLib/src/main/kotlin/info/appdev/charting/renderer/LineChartRenderer.kt b/chartLib/src/main/kotlin/info/appdev/charting/renderer/LineChartRenderer.kt
index f5f6e87a..38bb2fce 100644
--- a/chartLib/src/main/kotlin/info/appdev/charting/renderer/LineChartRenderer.kt
+++ b/chartLib/src/main/kotlin/info/appdev/charting/renderer/LineChartRenderer.kt
@@ -720,8 +720,7 @@ open class LineChartRenderer(
             val circleHoleRadius = set.circleHoleRadius
 
             for (i in 0..<colorCount) {
-                val conf = Bitmap.Config.ARGB_4444
-                val circleBitmap = createBitmap((circleRadius * 2.1).toInt(), (circleRadius * 2.1).toInt(), conf)
+                val circleBitmap = createBitmap((circleRadius * 2.1).toInt(), (circleRadius * 2.1).toInt(), Bitmap.Config.ARGB_8888)
 
                 val canvas = Canvas(circleBitmap)
                 circleBitmaps!![i] = circleBitmap
diff --git a/chartLib/src/main/kotlin/info/appdev/charting/renderer/PieChartRenderer.kt b/chartLib/src/main/kotlin/info/appdev/charting/renderer/PieChartRenderer.kt
index 0f2ab06a..39489742 100644
--- a/chartLib/src/main/kotlin/info/appdev/charting/renderer/PieChartRenderer.kt
+++ b/chartLib/src/main/kotlin/info/appdev/charting/renderer/PieChartRenderer.kt
@@ -95,7 +95,7 @@ open class PieChartRenderer(
 
         if (drawBitmap == null || (drawBitmap.width != width) || (drawBitmap.height != height)) {
             if (width > 0 && height > 0) {
-                drawBitmap = createBitmap(width, height, Bitmap.Config.ARGB_4444)
+                drawBitmap = createBitmap(width, height, Bitmap.Config.ARGB_8888)
                 mDrawBitmap = WeakReference(drawBitmap)
                 bitmapCanvas = Canvas(drawBitmap)
             } else return
diff --git a/chartLib/src/main/kotlin/info/appdev/charting/utils/SaveUtils.kt b/chartLib/src/main/kotlin/info/appdev/charting/utils/SaveUtils.kt
index 7c3a24ae..a6dfe9a7 100644
--- a/chartLib/src/main/kotlin/info/appdev/charting/utils/SaveUtils.kt
+++ b/chartLib/src/main/kotlin/info/appdev/charting/utils/SaveUtils.kt
@@ -79,6 +79,7 @@ object SaveUtils {
         }
 
         val mimeType: String?
+        @Suppress("DEPRECATION")
         when (format) {
             CompressFormat.PNG -> {
                 mimeType = "image/png"