diff --git a/csharp/Facebook.CSSLayout/Spacing.cs b/csharp/Facebook.CSSLayout/Spacing.cs
deleted file mode 100644
index 34775464..00000000
--- a/csharp/Facebook.CSSLayout/Spacing.cs
+++ /dev/null
@@ -1,188 +0,0 @@
-/**
- * Copyright (c) 2014-present, Facebook, Inc.
- * All rights reserved.
- *
- * This source code is licensed under the BSD-style license found in the
- * LICENSE file in the root directory of this source tree. An additional grant
- * of patent rights can be found in the PATENTS file in the same directory.
- */
-
-using System;
-
-namespace Facebook.CSSLayout
-{
-    /// <summary>
-    /// Class representing CSS spacing (padding, margin, and borders). This is mostly necessary to 
-    /// properly implement interactions and updates for properties like margin, marginLeft, and 
-    /// marginHorizontal.
-    /// </summary>
-    public class Spacing
-    {
-        /// <summary>
-        /// Spacing type that represents the left direction. E.g. <code>marginLeft</code>.
-        /// </summary>
-        public const int Left = 0;
-
-        /// <summary>
-        /// Spacing type that represents the top direction. E.g. <code>marginTop</code>.
-        /// </summary>
-        public const int Top = 1;
-
-        /// <summary>
-        /// Spacing type that represents the right direction. E.g. <code>marginRight</code>.
-        /// </summary>
-        public const int Right = 2;
-
-        /// <summary>
-        /// Spacing type that represents the bottom direction. E.g. <code>marginBottom</code>.
-        /// </summary>
-        public const int Bottom = 3;
-
-        /// <summary>
-        /// Spacing type that represents start direction e.g. left in left-to-right, right in right-to-left.
-        /// </summary>
-        public const int Start = 4;
-
-        /// <summary>
-        /// Spacing type that represents end direction e.g. right in left-to-right, left in right-to-left.
-        /// </summary>
-        public const int End = 5;
-
-        /// <summary>
-        /// Spacing type that represents horizontal direction (left and right). E.g. <code>marginHorizontal</code>.
-        /// </summary>
-        public const int Horizontal = 6;
-
-        /// <summary>
-        /// Spacing type that represents vertical direction (top and bottom). E.g. <code>marginVertical</code>.
-        /// </summary>
-        public const int Vertical = 7;
-
-        /// <summary>
-        /// Spacing type that represents all directions (left, top, right, bottom). E.g. <code>margin</code>.
-        /// </summary>
-        public const int All = 8;
-
-        private static readonly int[] _flagsMap = new[]
-        {
-            1, /*LEFT*/
-            2, /*TOP*/
-            4, /*RIGHT*/
-            8, /*BOTTOM*/
-            16, /*START*/
-            32, /*END*/
-            64, /*HORIZONTAL*/
-            128, /*VERTICAL*/
-            256, /*ALL*/
-        };
-
-        private int _valueFlags = 0;
-        private readonly float _defaultValue;
-        private readonly float[] _spacing = NewFullSpacingArray();
-        private bool _hasAliasesSet;
-
-        public Spacing() : this(0)
-        {
-
-        }
-
-        public Spacing(float defaultValue)
-        {
-            _defaultValue = defaultValue;
-        }
-
-        public float Get(int spacingType)
-        {
-            var defaultValue = spacingType == Start || spacingType == End ? CSSConstants.Undefined : _defaultValue;
-
-            if (_valueFlags == 0)
-            {
-                return defaultValue;
-            }
-
-            if ((_valueFlags & _flagsMap[spacingType]) != 0)
-            {
-                return _spacing[spacingType];
-            }
-
-            if (_hasAliasesSet)
-            {
-                var secondType = spacingType == Top || spacingType == Bottom ? Vertical : Horizontal;
-                if ((_valueFlags & _flagsMap[secondType]) != 0)
-                {
-                    return _spacing[secondType];
-                }
-                else if ((_valueFlags & _flagsMap[All]) != 0)
-                {
-                    return _spacing[All];
-                }
-            }
-
-            return defaultValue;
-        }
-
-        public float GetRaw(int spacingType)
-        {
-            return _spacing[spacingType];
-        }
-
-        public bool Set(int spacingType, float value)
-        {
-            if (FloatEqual(_spacing[spacingType], value))
-            {
-                _spacing[spacingType] = value;
-
-                if (CSSConstants.IsUndefined(value))
-                {
-                    _valueFlags &= ~_flagsMap[spacingType];
-                }
-                else
-                {
-                    _valueFlags |= ~_flagsMap[spacingType];
-                }
-
-                _hasAliasesSet =
-                    (_valueFlags & _flagsMap[All]) != 0 ||
-                    (_valueFlags & _flagsMap[Vertical]) != 0 ||
-                    (_valueFlags & _flagsMap[Horizontal]) != 0;
-
-                return true;
-            }
-
-            return false;
-        }
-
-        public void Reset()
-        {
-            for (var i = 0; i < 9; i++) { _spacing[i] = CSSConstants.Undefined; }
-            _hasAliasesSet = false;
-            _valueFlags = 0;
-        }
-
-        private static bool FloatEqual(float f1, float f2)
-        {
-            if (float.IsNaN(f1) || float.IsNaN(f2))
-            {
-                return float.IsNaN(f1) && float.IsNaN(f2);
-            }
-
-            return Math.Abs(f2 - f1) < float.Epsilon;
-        }
-
-        private static float[] NewFullSpacingArray()
-        {
-            return new float[]
-            {
-                CSSConstants.Undefined,
-                CSSConstants.Undefined,
-                CSSConstants.Undefined,
-                CSSConstants.Undefined,
-                CSSConstants.Undefined,
-                CSSConstants.Undefined,
-                CSSConstants.Undefined,
-                CSSConstants.Undefined,
-                CSSConstants.Undefined
-            };
-        }
-    }
-}