1 files changed, 1 insertions, 119 deletions

diff --git a/Xamarin.Forms.Core/Picker.cs b/Xamarin.Forms.Core/Picker.cs
index 0d85ea5c..2d706c62 100644
--- a/Xamarin.Forms.Core/Picker.cs
+++ b/Xamarin.Forms.Core/Picker.cs
@@ -5,6 +5,7 @@ using System.Collections.ObjectModel;
 using System.Collections.Specialized;
 using System.ComponentModel;
 using System.Runtime.CompilerServices;
+using Xamarin.Forms.Internals;
 using Xamarin.Forms.Platform;
 
 namespace Xamarin.Forms
@@ -222,124 +223,5 @@ namespace Xamarin.Forms
 		void ITextElement.OnTextColorPropertyChanged(Color oldValue, Color newValue)
 		{
 		}
-
-		internal class LockableObservableListWrapper : IList<string>, ICollection<string>, INotifyCollectionChanged, INotifyPropertyChanged, IReadOnlyList<string>, IReadOnlyCollection<string>, IEnumerable<string>, IEnumerable
-		{
-			internal readonly ObservableCollection<string> _list = new ObservableCollection<string>();
-
-			event NotifyCollectionChangedEventHandler INotifyCollectionChanged.CollectionChanged
-			{
-				add { ((INotifyCollectionChanged)_list).CollectionChanged += value; }
-				remove { ((INotifyCollectionChanged)_list).CollectionChanged -= value; }
-			}
-
-			event PropertyChangedEventHandler INotifyPropertyChanged.PropertyChanged {
-				add { ((INotifyPropertyChanged)_list).PropertyChanged += value; }
-				remove { ((INotifyPropertyChanged)_list).PropertyChanged -= value; }
-			}
-
-			public bool IsLocked { get; set; }
-
-			void ThrowOnLocked()
-			{
-				if (IsLocked)
-					throw new InvalidOperationException("The Items list can not be manipulated if the ItemsSource property is set");
-			}
-
-			public string this [int index] {
-				get { return _list [index]; }
-				set {
-					ThrowOnLocked();
-					_list [index] = value; }
-			}
-
-			public int Count {
-				get { return _list.Count; }
-			}
-
-			public bool IsReadOnly {
-				get { return ((IList<string>)_list).IsReadOnly; }
-			}
-
-			public void InternalAdd(string item)
-			{
-				_list.Add(item);
-			}
-
-			public void Add(string item)
-			{
-				ThrowOnLocked();
-				InternalAdd(item);
-			}
-
-			public void InternalClear()
-			{ 
-				_list.Clear();
-			}
-
-			public void Clear()
-			{
-				ThrowOnLocked();
-				InternalClear();
-			}
-
-			public bool Contains(string item)
-			{
-				return _list.Contains(item);
-			}
-
-			public void CopyTo(string [] array, int arrayIndex)
-			{
-				_list.CopyTo(array, arrayIndex);
-			}
-
-			public IEnumerator<string> GetEnumerator()
-			{
-				return _list.GetEnumerator();
-			}
-
-			public int IndexOf(string item)
-			{
-				return _list.IndexOf(item);
-			}
-
-			public void InternalInsert(int index, string item)
-			{
-				_list.Insert(index, item);
-			}
-
-			public void Insert(int index, string item)
-			{
-				ThrowOnLocked();
-				InternalInsert(index, item);
-			}
-
-			public bool InternalRemove(string item)
-			{
-				return _list.Remove(item);
-			}
-
-			public bool Remove(string item)
-			{
-				ThrowOnLocked();
-				return InternalRemove(item);
-			}
-
-			public void InternalRemoveAt(int index)
-			{
-				_list.RemoveAt(index);
-			}
-
-			public void RemoveAt(int index)
-			{
-				ThrowOnLocked();
-				InternalRemoveAt(index);
-			}
-
-			IEnumerator IEnumerable.GetEnumerator()
-			{
-				return ((IEnumerable)_list).GetEnumerator();
-			}
-		}
 	}
 }
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