diff --git a/Example/OpenCV-OSX-Tests/OpenCVPerformanceTest.swift b/Example/OpenCV-OSX-Tests/OpenCVPerformanceTest.swift
index 9b243b9..b9a971e 100644
--- a/Example/OpenCV-OSX-Tests/OpenCVPerformanceTest.swift
+++ b/Example/OpenCV-OSX-Tests/OpenCVPerformanceTest.swift
@@ -10,7 +10,7 @@ import XCTest
 
 class OpenCVPerformanceTest: XCTestCase {
     static let reasonableTestDurationMs = 100
-    let repeatTimes = {OpenCVPerformanceTest.reasonableTestDurationMs * 1000}()
+    let repeatTimes = OpenCVPerformanceTest.reasonableTestDurationMs * 1000
 
     let destination = Quadrilateral(upperLeft: CGPoint(x: 108.315837, y: 80.1687782),
                                     upperRight: CGPoint(x: 377.282671, y: 41.4352201),
diff --git a/Example/Specs/CALayerTransformSpec.swift b/Example/Specs/CALayerTransformSpec.swift
index 8c59aff..934360c 100644
--- a/Example/Specs/CALayerTransformSpec.swift
+++ b/Example/Specs/CALayerTransformSpec.swift
@@ -66,7 +66,6 @@ class CALayerTransformSpec: QuickSpec {
                             (original, delta:0.001)
                     }
                 }
-
             }
         }
     }
diff --git a/Example/Specs/CATransform3D+MatrixPerformanceTest.swift b/Example/Specs/CATransform3D+MatrixPerformanceTest.swift
index fc6b90c..796472d 100644
--- a/Example/Specs/CATransform3D+MatrixPerformanceTest.swift
+++ b/Example/Specs/CATransform3D+MatrixPerformanceTest.swift
@@ -19,7 +19,7 @@ class CATransform3DMatrixPerformanceTest: XCTestCase {
     /// Shows that bitcast is 2-5 times faster
     func testInitUsingBitcast() {
         measure {
-            for _ in (0...iterations) {
+            iterations.times {
                 _ = CATransform3D(m4x4)
             }
         }
@@ -28,7 +28,7 @@ class CATransform3DMatrixPerformanceTest: XCTestCase {
     /// Shows that designated init is slower
     func testInitUsingDesignatedInitializer() {
         measure {
-            for _ in (0...iterations) {
+            iterations.times {
                 _ = CATransform3D(
                     m11: CGFloat(m4x4[0, 0]), m12: CGFloat(m4x4[0, 1]), m13: CGFloat(m4x4[0, 2]), m14: CGFloat(m4x4[0, 3]),
                     m21: CGFloat(m4x4[1, 0]), m22: CGFloat(m4x4[1, 1]), m23: CGFloat(m4x4[1, 2]), m24: CGFloat(m4x4[1, 3]),
diff --git a/Pod/Classes/Matrix3x3+3D.swift b/Pod/Classes/Matrix3x3+3D.swift
index 722596a..f130eee 100644
--- a/Pod/Classes/Matrix3x3+3D.swift
+++ b/Pod/Classes/Matrix3x3+3D.swift
@@ -30,9 +30,7 @@ extension Matrix4x3Type {
 }
 
 extension Matrix3x4Type {
-    static let zeroRowBeforeLast: Matrix3x4Type =  {
-        return Matrix4x3Type.zeroColumnBeforeLast.transpose
-    }()
+    static let zeroRowBeforeLast: Matrix3x4Type = Matrix4x3Type.zeroColumnBeforeLast.transpose
 
     func insertColumnBeforeLast() -> Matrix4x4Type {
         return self * Matrix4x3Type.zeroColumnBeforeLast