diff --git a/SnapKitPlayground.playground/playground.xcworkspace/contents.xcworkspacedata b/SnapKitPlayground.playground/playground.xcworkspace/contents.xcworkspacedata
new file mode 100644
index 0000000..94b2795
--- /dev/null
+++ b/SnapKitPlayground.playground/playground.xcworkspace/contents.xcworkspacedata
@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Workspace
+   version = "1.0">
+</Workspace>
diff --git a/Sources/ConstraintMakerPriortizable.swift b/Sources/ConstraintMakerPriortizable.swift
deleted file mode 100644
index c5f8a30..0000000
--- a/Sources/ConstraintMakerPriortizable.swift
+++ /dev/null
@@ -1,68 +0,0 @@
-//
-//  SnapKit
-//
-//  Copyright (c) 2011-Present SnapKit Team - https://github.com/SnapKit
-//
-//  Permission is hereby granted, free of charge, to any person obtaining a copy
-//  of this software and associated documentation files (the "Software"), to deal
-//  in the Software without restriction, including without limitation the rights
-//  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-//  copies of the Software, and to permit persons to whom the Software is
-//  furnished to do so, subject to the following conditions:
-//
-//  The above copyright notice and this permission notice shall be included in
-//  all copies or substantial portions of the Software.
-//
-//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-//  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-//  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-//  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-//  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-//  THE SOFTWARE.
-
-#if os(iOS) || os(tvOS)
-    import UIKit
-#else
-    import AppKit
-#endif
-
-
-public class ConstraintMakerPrioritizable: ConstraintMakerFinalizable {
-    
-    @discardableResult
-    public func priority(_ amount: ConstraintPriority) -> ConstraintMakerFinalizable {
-        self.description.priority = amount.value
-        return self
-    }
-    
-    @discardableResult
-    public func priority(_ amount: ConstraintPriorityTarget) -> ConstraintMakerFinalizable {
-        self.description.priority = amount
-        return self
-    }
-    
-    @available(*, deprecated, message:"Use priority(.required) instead.")
-    @discardableResult
-    public func priorityRequired() -> ConstraintMakerFinalizable {
-        return self.priority(.required)
-    }
-    
-    @available(*, deprecated, message:"Use priority(.high) instead.")
-    @discardableResult
-    public func priorityHigh() -> ConstraintMakerFinalizable {
-        return self.priority(.high)
-    }
-    
-    @available(*, deprecated, message:"Use priority(.medium) instead.")
-    @discardableResult
-    public func priorityMedium() -> ConstraintMakerFinalizable {
-        return self.priority(.medium)
-    }
-    
-    @available(*, deprecated, message:"Use priority(.low) instead.")
-    @discardableResult
-    public func priorityLow() -> ConstraintMakerFinalizable {
-        return self.priority(.low)
-    }
-}