diff --git a/Charts/Classes/Animation/Animator.swift b/Charts/Classes/Animation/Animator.swift
index 6b07720df0..d671d6c0e2 100644
--- a/Charts/Classes/Animation/Animator.swift
+++ b/Charts/Classes/Animation/Animator.swift
@@ -194,7 +194,7 @@ public class Animator: NSObject
         
         if (_enabledX || _enabledY)
         {
-            _displayLink = NSUIDisplayLink(target: self, selector: #selector(Animator.animationLoop))
+            _displayLink = NSUIDisplayLink(target: self, selector: #selector(animationLoop))
             _displayLink.addToRunLoop(NSRunLoop.mainRunLoop(), forMode: NSRunLoopCommonModes)
         }
     }
@@ -260,7 +260,7 @@ public class Animator: NSObject
         {
             if _displayLink === nil
             {
-                _displayLink = NSUIDisplayLink(target: self, selector: #selector(Animator.animationLoop))
+                _displayLink = NSUIDisplayLink(target: self, selector: #selector(animationLoop))
                 _displayLink.addToRunLoop(NSRunLoop.mainRunLoop(), forMode: NSRunLoopCommonModes)
             }
         }
@@ -304,7 +304,7 @@ public class Animator: NSObject
         {
             if _displayLink === nil
             {
-                _displayLink = NSUIDisplayLink(target: self, selector: #selector(Animator.animationLoop))
+                _displayLink = NSUIDisplayLink(target: self, selector: #selector(animationLoop))
                 _displayLink.addToRunLoop(NSRunLoop.mainRunLoop(), forMode: NSRunLoopCommonModes)
             }
         }
diff --git a/Charts/Classes/Charts/BarLineChartViewBase.swift b/Charts/Classes/Charts/BarLineChartViewBase.swift
index 4a15d0dc8c..06ff28a504 100644
--- a/Charts/Classes/Charts/BarLineChartViewBase.swift
+++ b/Charts/Classes/Charts/BarLineChartViewBase.swift
@@ -108,10 +108,10 @@ public class BarLineChartViewBase: ChartViewBase, BarLineScatterCandleBubbleChar
         
         self.highlighter = ChartHighlighter(chart: self)
         
-        _tapGestureRecognizer = NSUITapGestureRecognizer(target: self, action: #selector(BarLineChartViewBase.tapGestureRecognized(_:)))
-        _doubleTapGestureRecognizer = NSUITapGestureRecognizer(target: self, action: #selector(BarLineChartViewBase.doubleTapGestureRecognized(_:)))
+        _tapGestureRecognizer = NSUITapGestureRecognizer(target: self, action: #selector(tapGestureRecognized(_:)))
+        _doubleTapGestureRecognizer = NSUITapGestureRecognizer(target: self, action: #selector(doubleTapGestureRecognized(_:)))
         _doubleTapGestureRecognizer.nsuiNumberOfTapsRequired = 2
-        _panGestureRecognizer = NSUIPanGestureRecognizer(target: self, action: #selector(BarLineChartViewBase.panGestureRecognized(_:)))
+        _panGestureRecognizer = NSUIPanGestureRecognizer(target: self, action: #selector(panGestureRecognized(_:)))
         
         _panGestureRecognizer.delegate = self
         
diff --git a/Charts/Classes/Charts/PieRadarChartViewBase.swift b/Charts/Classes/Charts/PieRadarChartViewBase.swift
index 2c5197abf2..6be1ab9e51 100755
--- a/Charts/Classes/Charts/PieRadarChartViewBase.swift
+++ b/Charts/Classes/Charts/PieRadarChartViewBase.swift
@@ -58,12 +58,12 @@ public class PieRadarChartViewBase: ChartViewBase
     {
         super.initialize()
         
-        _tapGestureRecognizer = NSUITapGestureRecognizer(target: self, action: #selector(PieRadarChartViewBase.tapGestureRecognized(_:)))
+        _tapGestureRecognizer = NSUITapGestureRecognizer(target: self, action: #selector(tapGestureRecognized(_:)))
         
         self.addGestureRecognizer(_tapGestureRecognizer)
 
         #if !os(tvOS)
-            _rotationGestureRecognizer = NSUIRotationGestureRecognizer(target: self, action: #selector(PieRadarChartViewBase.rotationGestureRecognized(_:)))
+            _rotationGestureRecognizer = NSUIRotationGestureRecognizer(target: self, action: #selector(rotationGestureRecognized(_:)))
             self.addGestureRecognizer(_rotationGestureRecognizer)
             _rotationGestureRecognizer.enabled = rotationWithTwoFingers
         #endif
diff --git a/Charts/Classes/Jobs/AnimatedViewPortJob.swift b/Charts/Classes/Jobs/AnimatedViewPortJob.swift
index 717da4f147..b86854783d 100644
--- a/Charts/Classes/Jobs/AnimatedViewPortJob.swift
+++ b/Charts/Classes/Jobs/AnimatedViewPortJob.swift
@@ -70,7 +70,7 @@ public class AnimatedViewPortJob: ViewPortJob
         
         updateAnimationPhase(_startTime)
         
-        _displayLink = NSUIDisplayLink(target: self, selector: #selector(AnimatedViewPortJob.animationLoop))
+        _displayLink = NSUIDisplayLink(target: self, selector: #selector(animationLoop))
         _displayLink.addToRunLoop(NSRunLoop.mainRunLoop(), forMode: NSRunLoopCommonModes)
     }
     
diff --git a/Charts/Classes/Utils/ViewPortHandler.swift b/Charts/Classes/Utils/ViewPortHandler.swift
index c3346ebd8a..63ec52c5fd 100755
--- a/Charts/Classes/Utils/ViewPortHandler.swift
+++ b/Charts/Classes/Utils/ViewPortHandler.swift
@@ -407,60 +407,39 @@ public class ViewPortHandler: NSObject
     
     public func isInBoundsX(x: CGFloat) -> Bool
     {
-        if (isInBoundsLeft(x) && isInBoundsRight(x))
-        {
-            return true
-        }
-        else
-        {
-            return false
-        }
+        return isInBoundsLeft(x) && isInBoundsRight(x)
     }
     
     public func isInBoundsY(y: CGFloat) -> Bool
     {
-        if (isInBoundsTop(y) && isInBoundsBottom(y))
-        {
-            return true
-        }
-        else
-        {
-            return false
-        }
+        return isInBoundsTop(y) && isInBoundsBottom(y)
     }
     
     public func isInBounds(x x: CGFloat, y: CGFloat) -> Bool
     {
-        if (isInBoundsX(x) && isInBoundsY(y))
-        {
-            return true
-        }
-        else
-        {
-            return false
-        }
+        return isInBoundsX(x) && isInBoundsY(y)
     }
     
     public func isInBoundsLeft(x: CGFloat) -> Bool
     {
-        return _contentRect.origin.x <= x + 1.0 ? true : false
+        return _contentRect.origin.x <= x + 1.0
     }
     
     public func isInBoundsRight(x: CGFloat) -> Bool
     {
         let x = floor(x * 100.0) / 100.0
-        return (_contentRect.origin.x + _contentRect.size.width) >= x - 1.0 ? true : false
+        return (_contentRect.origin.x + _contentRect.size.width) >= x - 1.0
     }
     
     public func isInBoundsTop(y: CGFloat) -> Bool
     {
-        return _contentRect.origin.y <= y ? true : false
+        return _contentRect.origin.y <= y
     }
     
     public func isInBoundsBottom(y: CGFloat) -> Bool
     {
         let normalizedY = floor(y * 100.0) / 100.0
-        return (_contentRect.origin.y + _contentRect.size.height) >= normalizedY ? true : false
+        return (_contentRect.origin.y + _contentRect.size.height) >= normalizedY
     }
     
     /// - returns: The current x-scale factor
@@ -514,40 +493,19 @@ public class ViewPortHandler: NSObject
     /// if the chart is fully zoomed out, return true
     public var isFullyZoomedOut: Bool
     {
-        if (isFullyZoomedOutX && isFullyZoomedOutY)
-        {
-            return true
-        }
-        else
-        {
-            return false
-        }
+        return isFullyZoomedOutX && isFullyZoomedOutY
     }
     
     /// - returns: `true` if the chart is fully zoomed out on it's y-axis (vertical).
     public var isFullyZoomedOutY: Bool
     {
-        if (_scaleY > _minScaleY || _minScaleY > 1.0)
-        {
-            return false
-        }
-        else
-        {
-            return true
-        }
+        return _scaleY > _minScaleY || _minScaleY > 1.0
     }
     
     /// - returns: `true` if the chart is fully zoomed out on it's x-axis (horizontal).
     public var isFullyZoomedOutX: Bool
     {
-        if (_scaleX > _minScaleX || _minScaleX > 1.0)
-        {
-            return false
-        }
-        else
-        {
-            return true
-        }
+        return _scaleX > _minScaleX || _minScaleX > 1.0
     }
     
     /// Set an offset in pixels that allows the user to drag the chart over it's bounds on the x-axis.
@@ -571,24 +529,24 @@ public class ViewPortHandler: NSObject
     /// - returns: `true` if the chart is not yet fully zoomed out on the x-axis
     public var canZoomOutMoreX: Bool
     {
-        return (_scaleX > _minScaleX)
+        return _scaleX > _minScaleX
     }
     
     /// - returns: `true` if the chart is not yet fully zoomed in on the x-axis
     public var canZoomInMoreX: Bool
     {
-        return (_scaleX < _maxScaleX)
+        return _scaleX < _maxScaleX
     }
     
     /// - returns: `true` if the chart is not yet fully zoomed out on the y-axis
     public var canZoomOutMoreY: Bool
     {
-        return (_scaleY > _minScaleY)
+        return _scaleY > _minScaleY
     }
     
     /// - returns: `true` if the chart is not yet fully zoomed in on the y-axis
     public var canZoomInMoreY: Bool
     {
-        return (_scaleY < _maxScaleY)
+        return _scaleY < _maxScaleY
     }
 }