     func testMarshalBig() {
         self.measure {
             do {
-                let marshalDict = try Marshal.JSONParser.JSONObjectWithData(self.largeData as Data)
+                let marshalDict = try Marshal.JSONParser.JSONObjectWithData(self.largeData)
                 let _ : [PerformanceTestModel] = try marshalDict.value(for: "data")
             }
             catch {

    func testFreddyBig() {
        self.measure {
            do {
                let freddyDict = try Freddy.JSON(data: self.largeData as Data)
                let _ = try freddyDict.getArray(at: "data").map(PerformanceTestModel.init)
            }
            catch {

    func testFreddySmall() {
        self.measure {
            do {
                let smallFreddyDict = try Freddy.JSON(data: self.smallData)
                let _ = try smallFreddyDict.getArray(at: "data").map(PerformanceTestSmallModel.init)
            }
            catch {
