diff --git a/Sources/CAMediaTimingFunction+Windless.swift b/Sources/CAMediaTimingFunction+Windless.swift
index 24bb3cb..822d086 100644
--- a/Sources/CAMediaTimingFunction+Windless.swift
+++ b/Sources/CAMediaTimingFunction+Windless.swift
@@ -9,12 +9,11 @@
 import UIKit
 
 public extension CAMediaTimingFunction {
+    static let linear = CAMediaTimingFunction(name: CAMediaTimingFunctionName.linear)
     
-    static let linear = CAMediaTimingFunction(name: kCAMediaTimingFunctionLinear)
+    static let easeIn = CAMediaTimingFunction(name: CAMediaTimingFunctionName.easeIn)
     
-    static let easeIn = CAMediaTimingFunction(name: kCAMediaTimingFunctionEaseIn)
+    static let easeOut = CAMediaTimingFunction(name: CAMediaTimingFunctionName.easeOut)
     
-    static let easeOut = CAMediaTimingFunction(name: kCAMediaTimingFunctionEaseOut)
-    
-    static let easeInOut = CAMediaTimingFunction(name: kCAMediaTimingFunctionEaseInEaseOut)
+    static let easeInOut = CAMediaTimingFunction(name: CAMediaTimingFunctionName.easeInEaseOut)
 }
diff --git a/Sources/TransitionFactory.swift b/Sources/TransitionFactory.swift
index 5842812..4a82f7f 100644
--- a/Sources/TransitionFactory.swift
+++ b/Sources/TransitionFactory.swift
@@ -12,7 +12,7 @@ class TransitionFactory {
     
     static func fade() -> CATransition {
         let transition = CATransition()
-        transition.type = kCATransitionFade
+        transition.type = CATransitionType.fade
         return transition
     }
 }
diff --git a/Sources/WindlessContext.swift b/Sources/WindlessContext.swift
index 11a1ce5..7b712a0 100644
--- a/Sources/WindlessContext.swift
+++ b/Sources/WindlessContext.swift
@@ -53,7 +53,7 @@ extension WindlessContext {
         appendMultilineLayersPathIfNeeded(on: path)
         let maskLayer = CAShapeLayer()
         maskLayer.path = path.cgPath
-        maskLayer.fillRule = kCAFillRuleEvenOdd
+        maskLayer.fillRule = CAShapeLayerFillRule.evenOdd
         coverLayer.mask = maskLayer
     }