diff --git a/Source/Charts/Renderers/BarChartRenderer.swift b/Source/Charts/Renderers/BarChartRenderer.swift
index 8aa3bc9b0a..40efff56da 100644
--- a/Source/Charts/Renderers/BarChartRenderer.swift
+++ b/Source/Charts/Renderers/BarChartRenderer.swift
@@ -25,7 +25,7 @@ open class BarChartRenderer: BarLineScatterCandleBubbleRenderer
     
     @objc open weak var dataProvider: BarChartDataProvider?
     
-    @objc public init(dataProvider: BarChartDataProvider?, animator: Animator?, viewPortHandler: ViewPortHandler?)
+    @objc public init(dataProvider: BarChartDataProvider?, animator: Animator, viewPortHandler: ViewPortHandler?)
     {
         super.init(animator: animator, viewPortHandler: viewPortHandler)
         
@@ -72,8 +72,7 @@ open class BarChartRenderer: BarLineScatterCandleBubbleRenderer
     {
         guard
             let dataProvider = dataProvider,
-            let barData = dataProvider.barData,
-            let animator = animator
+            let barData = dataProvider.barData
             else { return }
         
         let barWidthHalf = barData.barWidth / 2.0
@@ -228,7 +227,6 @@ open class BarChartRenderer: BarLineScatterCandleBubbleRenderer
         if dataProvider.isDrawBarShadowEnabled
         {
             guard
-                let animator = animator,
                 let barData = dataProvider.barData
                 else { return }
             
@@ -347,7 +345,7 @@ open class BarChartRenderer: BarLineScatterCandleBubbleRenderer
         rect.size.width = CGFloat(right - left)
         rect.size.height = CGFloat(bottom - top)
         
-        trans.rectValueToPixel(&rect, phaseY: animator?.phaseY ?? 1.0)
+        trans.rectValueToPixel(&rect, phaseY: animator.phaseY )
     }
 
     open override func drawValues(context: CGContext)
@@ -358,8 +356,7 @@ open class BarChartRenderer: BarLineScatterCandleBubbleRenderer
             guard
                 let dataProvider = dataProvider,
                 let viewPortHandler = self.viewPortHandler,
-                let barData = dataProvider.barData,
-                let animator = animator
+                let barData = dataProvider.barData
                 else { return }
             
             var dataSets = barData.dataSets
diff --git a/Source/Charts/Renderers/BarLineScatterCandleBubbleRenderer.swift b/Source/Charts/Renderers/BarLineScatterCandleBubbleRenderer.swift
index 5ff9a87305..34fe15e34e 100644
--- a/Source/Charts/Renderers/BarLineScatterCandleBubbleRenderer.swift
+++ b/Source/Charts/Renderers/BarLineScatterCandleBubbleRenderer.swift
@@ -17,7 +17,7 @@ open class BarLineScatterCandleBubbleRenderer: DataRenderer
 {
     internal var _xBounds = XBounds() // Reusable XBounds object
     
-    public override init(animator: Animator?, viewPortHandler: ViewPortHandler?)
+    public override init(animator: Animator, viewPortHandler: ViewPortHandler?)
     {
         super.init(animator: animator, viewPortHandler: viewPortHandler)
     }
@@ -26,7 +26,7 @@ open class BarLineScatterCandleBubbleRenderer: DataRenderer
     @objc internal func isInBoundsX(entry e: ChartDataEntry, dataSet: IBarLineScatterCandleBubbleChartDataSet) -> Bool
     {
         let entryIndex = dataSet.entryIndex(entry: e)
-        return Double(entryIndex) < Double(dataSet.entryCount) * (animator?.phaseX ?? 1.0)
+        return Double(entryIndex) < Double(dataSet.entryCount) * animator.phaseX
     }
 
     /// Calculates and returns the x-bounds for the given DataSet in terms of index in their values array.
diff --git a/Source/Charts/Renderers/BubbleChartRenderer.swift b/Source/Charts/Renderers/BubbleChartRenderer.swift
index d77311c459..00be34c54e 100644
--- a/Source/Charts/Renderers/BubbleChartRenderer.swift
+++ b/Source/Charts/Renderers/BubbleChartRenderer.swift
@@ -21,7 +21,7 @@ open class BubbleChartRenderer: BarLineScatterCandleBubbleRenderer
 {
     @objc open weak var dataProvider: BubbleChartDataProvider?
     
-    @objc public init(dataProvider: BubbleChartDataProvider?, animator: Animator?, viewPortHandler: ViewPortHandler?)
+    @objc public init(dataProvider: BubbleChartDataProvider?, animator: Animator, viewPortHandler: ViewPortHandler?)
     {
         super.init(animator: animator, viewPortHandler: viewPortHandler)
         
@@ -61,8 +61,7 @@ open class BubbleChartRenderer: BarLineScatterCandleBubbleRenderer
     {
         guard
             let dataProvider = dataProvider,
-            let viewPortHandler = self.viewPortHandler,
-            let animator = animator
+            let viewPortHandler = self.viewPortHandler
             else { return }
         
         let trans = dataProvider.getTransformer(forAxis: dataSet.axisDependency)
@@ -129,7 +128,6 @@ open class BubbleChartRenderer: BarLineScatterCandleBubbleRenderer
             let dataProvider = dataProvider,
             let viewPortHandler = self.viewPortHandler,
             let bubbleData = dataProvider.bubbleData,
-            let animator = animator,
             isDrawingValuesAllowed(dataProvider: dataProvider),
             let dataSets = bubbleData.dataSets as? [IBubbleChartDataSet]
             else { return }
@@ -218,8 +216,7 @@ open class BubbleChartRenderer: BarLineScatterCandleBubbleRenderer
         guard
             let dataProvider = dataProvider,
             let viewPortHandler = self.viewPortHandler,
-            let bubbleData = dataProvider.bubbleData,
-            let animator = animator
+            let bubbleData = dataProvider.bubbleData
             else { return }
         
         context.saveGState()
diff --git a/Source/Charts/Renderers/CandleStickChartRenderer.swift b/Source/Charts/Renderers/CandleStickChartRenderer.swift
index 2b897aadf9..2b2e2a17e2 100644
--- a/Source/Charts/Renderers/CandleStickChartRenderer.swift
+++ b/Source/Charts/Renderers/CandleStickChartRenderer.swift
@@ -21,7 +21,7 @@ open class CandleStickChartRenderer: LineScatterCandleRadarRenderer
 {
     @objc open weak var dataProvider: CandleChartDataProvider?
     
-    @objc public init(dataProvider: CandleChartDataProvider?, animator: Animator?, viewPortHandler: ViewPortHandler?)
+    @objc public init(dataProvider: CandleChartDataProvider?, animator: Animator, viewPortHandler: ViewPortHandler?)
     {
         super.init(animator: animator, viewPortHandler: viewPortHandler)
         
@@ -50,10 +50,7 @@ open class CandleStickChartRenderer: LineScatterCandleRadarRenderer
     
     @objc open func drawDataSet(context: CGContext, dataSet: ICandleChartDataSet)
     {
-        guard let
-            dataProvider = dataProvider,
-            let animator = animator
-            else { return }
+        guard let dataProvider = dataProvider else { return }
 
         let trans = dataProvider.getTransformer(forAxis: dataSet.axisDependency)
         
@@ -240,8 +237,7 @@ open class CandleStickChartRenderer: LineScatterCandleRadarRenderer
         guard
             let dataProvider = dataProvider,
             let viewPortHandler = self.viewPortHandler,
-            let candleData = dataProvider.candleData,
-            let animator = animator
+            let candleData = dataProvider.candleData
             else { return }
         
         // if values are drawn
@@ -332,8 +328,7 @@ open class CandleStickChartRenderer: LineScatterCandleRadarRenderer
     {
         guard
             let dataProvider = dataProvider,
-            let candleData = dataProvider.candleData,
-            let animator = animator
+            let candleData = dataProvider.candleData
             else { return }
         
         context.saveGState()
diff --git a/Source/Charts/Renderers/ChartDataRendererBase.swift b/Source/Charts/Renderers/ChartDataRendererBase.swift
index 8204de05b7..54cf64c273 100644
--- a/Source/Charts/Renderers/ChartDataRendererBase.swift
+++ b/Source/Charts/Renderers/ChartDataRendererBase.swift
@@ -15,13 +15,13 @@ import CoreGraphics
 @objc(ChartDataRendererBase)
 open class DataRenderer: Renderer
 {
-    @objc open var animator: Animator?
+    @objc open let animator: Animator
     
-    @objc public init(animator: Animator?, viewPortHandler: ViewPortHandler?)
+    @objc public init(animator: Animator, viewPortHandler: ViewPortHandler?)
     {
-        super.init(viewPortHandler: viewPortHandler)
-        
         self.animator = animator
+
+        super.init(viewPortHandler: viewPortHandler)
     }
 
     @objc open func drawData(context: CGContext)
diff --git a/Source/Charts/Renderers/CombinedChartRenderer.swift b/Source/Charts/Renderers/CombinedChartRenderer.swift
index 72cb1f14d2..72d5ab85b3 100644
--- a/Source/Charts/Renderers/CombinedChartRenderer.swift
+++ b/Source/Charts/Renderers/CombinedChartRenderer.swift
@@ -42,7 +42,6 @@ open class CombinedChartRenderer: DataRenderer
         
         guard let
             chart = chart,
-            let animator = animator,
             let viewPortHandler = self.viewPortHandler
             else { return }
 
diff --git a/Source/Charts/Renderers/HorizontalBarChartRenderer.swift b/Source/Charts/Renderers/HorizontalBarChartRenderer.swift
index 2de854df43..2167d989bf 100644
--- a/Source/Charts/Renderers/HorizontalBarChartRenderer.swift
+++ b/Source/Charts/Renderers/HorizontalBarChartRenderer.swift
@@ -24,7 +24,7 @@ open class HorizontalBarChartRenderer: BarChartRenderer
         var rects = [CGRect]()
     }
     
-    public override init(dataProvider: BarChartDataProvider?, animator: Animator?, viewPortHandler: ViewPortHandler?)
+    public override init(dataProvider: BarChartDataProvider?, animator: Animator, viewPortHandler: ViewPortHandler?)
     {
         super.init(dataProvider: dataProvider, animator: animator, viewPortHandler: viewPortHandler)
     }
@@ -69,8 +69,7 @@ open class HorizontalBarChartRenderer: BarChartRenderer
     {
         guard let
             dataProvider = dataProvider,
-            let barData = dataProvider.barData,
-            let animator = animator
+            let barData = dataProvider.barData
             else { return }
         
         let barWidthHalf = barData.barWidth / 2.0
@@ -201,10 +200,7 @@ open class HorizontalBarChartRenderer: BarChartRenderer
         // draw the bar shadow before the values
         if dataProvider.isDrawBarShadowEnabled
         {
-            guard
-                let animator = animator,
-                let barData = dataProvider.barData
-                else { return }
+            guard let barData = dataProvider.barData else { return }
             
             let barWidth = barData.barWidth
             let barWidthHalf = barWidth / 2.0
@@ -299,7 +295,7 @@ open class HorizontalBarChartRenderer: BarChartRenderer
         rect.size.width = CGFloat(right - left)
         rect.size.height = CGFloat(bottom - top)
         
-        trans.rectValueToPixelHorizontal(&rect, phaseY: animator?.phaseY ?? 1.0)
+        trans.rectValueToPixelHorizontal(&rect, phaseY: animator.phaseY)
     }
     
     open override func drawValues(context: CGContext)
@@ -310,7 +306,6 @@ open class HorizontalBarChartRenderer: BarChartRenderer
             guard
                 let dataProvider = dataProvider,
                 let barData = dataProvider.barData,
-                let animator = animator,
                 let viewPortHandler = self.viewPortHandler
                 else { return }
             
diff --git a/Source/Charts/Renderers/LineChartRenderer.swift b/Source/Charts/Renderers/LineChartRenderer.swift
index fbb1f7be30..1f0b20c94b 100644
--- a/Source/Charts/Renderers/LineChartRenderer.swift
+++ b/Source/Charts/Renderers/LineChartRenderer.swift
@@ -21,7 +21,7 @@ open class LineChartRenderer: LineRadarRenderer
 {
     @objc open weak var dataProvider: LineChartDataProvider?
     
-    @objc public init(dataProvider: LineChartDataProvider?, animator: Animator?, viewPortHandler: ViewPortHandler?)
+    @objc public init(dataProvider: LineChartDataProvider?, animator: Animator, viewPortHandler: ViewPortHandler?)
     {
         super.init(animator: animator, viewPortHandler: viewPortHandler)
         
@@ -86,10 +86,7 @@ open class LineChartRenderer: LineRadarRenderer
     
     @objc open func drawCubicBezier(context: CGContext, dataSet: ILineChartDataSet)
     {
-        guard
-            let dataProvider = dataProvider,
-            let animator = animator
-            else { return }
+        guard let dataProvider = dataProvider else { return }
         
         let trans = dataProvider.getTransformer(forAxis: dataSet.axisDependency)
         
@@ -183,10 +180,7 @@ open class LineChartRenderer: LineRadarRenderer
     
     @objc open func drawHorizontalBezier(context: CGContext, dataSet: ILineChartDataSet)
     {
-        guard
-            let dataProvider = dataProvider,
-            let animator = animator
-            else { return }
+        guard let dataProvider = dataProvider else { return }
         
         let trans = dataProvider.getTransformer(forAxis: dataSet.axisDependency)
         
@@ -294,7 +288,6 @@ open class LineChartRenderer: LineRadarRenderer
     {
         guard
             let dataProvider = dataProvider,
-            let animator = animator,
             let viewPortHandler = self.viewPortHandler
             else { return }
         
@@ -465,7 +458,7 @@ open class LineChartRenderer: LineRadarRenderer
     /// Generates the path that is used for filled drawing.
     fileprivate func generateFilledPath(dataSet: ILineChartDataSet, fillMin: CGFloat, bounds: XBounds, matrix: CGAffineTransform) -> CGPath
     {
-        let phaseY = animator?.phaseY ?? 1.0
+        let phaseY = animator.phaseY
         let isDrawSteppedEnabled = dataSet.mode == .stepped
         let matrix = matrix
         
@@ -510,7 +503,6 @@ open class LineChartRenderer: LineRadarRenderer
         guard
             let dataProvider = dataProvider,
             let lineData = dataProvider.lineData,
-            let animator = animator,
             let viewPortHandler = self.viewPortHandler
             else { return }
         
@@ -606,7 +598,6 @@ open class LineChartRenderer: LineRadarRenderer
         guard
             let dataProvider = dataProvider,
             let lineData = dataProvider.lineData,
-            let animator = animator,
             let viewPortHandler = self.viewPortHandler
             else { return }
         
@@ -714,8 +705,7 @@ open class LineChartRenderer: LineRadarRenderer
     {
         guard
             let dataProvider = dataProvider,
-            let lineData = dataProvider.lineData,
-            let animator = animator
+            let lineData = dataProvider.lineData
             else { return }
         
         let chartXMax = dataProvider.chartXMax
diff --git a/Source/Charts/Renderers/LineRadarRenderer.swift b/Source/Charts/Renderers/LineRadarRenderer.swift
index 8616ec3a01..c25d4019ee 100644
--- a/Source/Charts/Renderers/LineRadarRenderer.swift
+++ b/Source/Charts/Renderers/LineRadarRenderer.swift
@@ -15,7 +15,7 @@ import CoreGraphics
 @objc(LineRadarChartRenderer)
 open class LineRadarRenderer: LineScatterCandleRadarRenderer
 {
-    public override init(animator: Animator?, viewPortHandler: ViewPortHandler?)
+    public override init(animator: Animator, viewPortHandler: ViewPortHandler?)
     {
         super.init(animator: animator, viewPortHandler: viewPortHandler)
     }
diff --git a/Source/Charts/Renderers/LineScatterCandleRadarRenderer.swift b/Source/Charts/Renderers/LineScatterCandleRadarRenderer.swift
index 2d3379960d..f74ff23d37 100644
--- a/Source/Charts/Renderers/LineScatterCandleRadarRenderer.swift
+++ b/Source/Charts/Renderers/LineScatterCandleRadarRenderer.swift
@@ -15,7 +15,7 @@ import CoreGraphics
 @objc(LineScatterCandleRadarChartRenderer)
 open class LineScatterCandleRadarRenderer: BarLineScatterCandleBubbleRenderer
 {
-    public override init(animator: Animator?, viewPortHandler: ViewPortHandler?)
+    public override init(animator: Animator, viewPortHandler: ViewPortHandler?)
     {
         super.init(animator: animator, viewPortHandler: viewPortHandler)
     }
diff --git a/Source/Charts/Renderers/PieChartRenderer.swift b/Source/Charts/Renderers/PieChartRenderer.swift
index 327cbc8503..92489b1245 100755
--- a/Source/Charts/Renderers/PieChartRenderer.swift
+++ b/Source/Charts/Renderers/PieChartRenderer.swift
@@ -21,7 +21,7 @@ open class PieChartRenderer: DataRenderer
 {
     @objc open weak var chart: PieChartView?
     
-    @objc public init(chart: PieChartView?, animator: Animator?, viewPortHandler: ViewPortHandler?)
+    @objc public init(chart: PieChartView?, animator: Animator, viewPortHandler: ViewPortHandler?)
     {
         super.init(animator: animator, viewPortHandler: viewPortHandler)
         
@@ -108,10 +108,7 @@ open class PieChartRenderer: DataRenderer
 
     @objc open func drawDataSet(context: CGContext, dataSet: IPieChartDataSet)
     {
-        guard
-            let chart = chart,
-            let animator = animator
-            else {return }
+        guard let chart = chart else {return }
         
         var angle: CGFloat = 0.0
         let rotationAngle = chart.rotationAngle
@@ -262,8 +259,7 @@ open class PieChartRenderer: DataRenderer
     {
         guard
             let chart = chart,
-            let data = chart.data,
-            let animator = animator
+            let data = chart.data
             else { return }
         
         let center = chart.centerCircleBox
@@ -559,10 +555,7 @@ open class PieChartRenderer: DataRenderer
     /// draws the hole in the center of the chart and the transparent circle / hole
     fileprivate func drawHole(context: CGContext)
     {
-        guard
-            let chart = chart,
-            let animator = animator
-            else { return }
+        guard let chart = chart else { return }
         
         if chart.drawHoleEnabled
         {
@@ -668,8 +661,7 @@ open class PieChartRenderer: DataRenderer
     {
         guard
             let chart = chart,
-            let data = chart.data,
-            let animator = animator
+            let data = chart.data
             else { return }
         
         context.saveGState()
diff --git a/Source/Charts/Renderers/RadarChartRenderer.swift b/Source/Charts/Renderers/RadarChartRenderer.swift
index 57068555f7..d7b1c8b521 100644
--- a/Source/Charts/Renderers/RadarChartRenderer.swift
+++ b/Source/Charts/Renderers/RadarChartRenderer.swift
@@ -21,7 +21,7 @@ open class RadarChartRenderer: LineRadarRenderer
 {
     @objc open weak var chart: RadarChartView?
 
-    @objc public init(chart: RadarChartView?, animator: Animator?, viewPortHandler: ViewPortHandler?)
+    @objc public init(chart: RadarChartView?, animator: Animator, viewPortHandler: ViewPortHandler?)
     {
         super.init(animator: animator, viewPortHandler: viewPortHandler)
         
@@ -55,10 +55,7 @@ open class RadarChartRenderer: LineRadarRenderer
     /// - parameter mostEntries: the entry count of the dataset with the most entries
     @objc internal func drawDataSet(context: CGContext, dataSet: IRadarChartDataSet, mostEntries: Int)
     {
-        guard let
-            chart = chart,
-            let animator = animator
-            else { return }
+        guard let chart = chart else { return }
         
         context.saveGState()
         
@@ -141,8 +138,7 @@ open class RadarChartRenderer: LineRadarRenderer
     {
         guard
             let chart = chart,
-            let data = chart.data,
-            let animator = animator
+            let data = chart.data
             else { return }
         
         let phaseX = animator.phaseX
@@ -299,8 +295,7 @@ open class RadarChartRenderer: LineRadarRenderer
     {
         guard
             let chart = chart,
-            let radarData = chart.data as? RadarChartData,
-            let animator = animator
+            let radarData = chart.data as? RadarChartData
             else { return }
         
         context.saveGState()
diff --git a/Source/Charts/Renderers/ScatterChartRenderer.swift b/Source/Charts/Renderers/ScatterChartRenderer.swift
index c9148caa7b..e8ce83cd24 100644
--- a/Source/Charts/Renderers/ScatterChartRenderer.swift
+++ b/Source/Charts/Renderers/ScatterChartRenderer.swift
@@ -21,7 +21,7 @@ open class ScatterChartRenderer: LineScatterCandleRadarRenderer
 {
     @objc open weak var dataProvider: ScatterChartDataProvider?
     
-    @objc public init(dataProvider: ScatterChartDataProvider?, animator: Animator?, viewPortHandler: ViewPortHandler?)
+    @objc public init(dataProvider: ScatterChartDataProvider?, animator: Animator, viewPortHandler: ViewPortHandler?)
     {
         super.init(animator: animator, viewPortHandler: viewPortHandler)
         
@@ -54,7 +54,6 @@ open class ScatterChartRenderer: LineScatterCandleRadarRenderer
     {
         guard
             let dataProvider = dataProvider,
-            let animator = animator,
             let viewPortHandler = self.viewPortHandler
             else { return }
         
@@ -107,7 +106,6 @@ open class ScatterChartRenderer: LineScatterCandleRadarRenderer
         guard
             let dataProvider = dataProvider,
             let scatterData = dataProvider.scatterData,
-            let animator = animator,
             let viewPortHandler = self.viewPortHandler
             else { return }
         
@@ -204,8 +202,7 @@ open class ScatterChartRenderer: LineScatterCandleRadarRenderer
     {
         guard
             let dataProvider = dataProvider,
-            let scatterData = dataProvider.scatterData,
-            let animator = animator
+            let scatterData = dataProvider.scatterData
             else { return }
         
         context.saveGState()