diff --git a/src/Policy/IDependencyResolverTrackerPolicy.cs b/src/Policy/IDependencyResolverTrackerPolicy.cs
deleted file mode 100644
index 9094f3d4..00000000
--- a/src/Policy/IDependencyResolverTrackerPolicy.cs
+++ /dev/null
@@ -1,25 +0,0 @@
-// Copyright (c) Microsoft Corporation. All rights reserved. See License.txt in the project root for license information.
-
-using Unity.Builder;
-
-namespace Unity.Policy
-{
-    /// <summary>
-    /// A builder policy that lets you keep track of the current
-    /// resolvers and will remove them from the given policy set.
-    /// </summary>
-    public interface IDependencyResolverTrackerPolicy : IBuilderPolicy
-    {
-        /// <summary>
-        /// Add a new resolver to track by key.
-        /// </summary>
-        /// <param name="key">Key that was used to add the resolver to the policy set.</param>
-        void AddResolverKey(object key);
-
-        /// <summary>
-        /// Remove the currently tracked resolvers from the given policy list.
-        /// </summary>
-        /// <param name="policies">Policy list to remove the resolvers from.</param>
-        void RemoveResolvers(IPolicyList policies);
-    }
-}
diff --git a/src/ResolverPolicy/DependencyResolverTrackerPolicy.cs b/src/ResolverPolicy/DependencyResolverTrackerPolicy.cs
deleted file mode 100644
index a851f597..00000000
--- a/src/ResolverPolicy/DependencyResolverTrackerPolicy.cs
+++ /dev/null
@@ -1,91 +0,0 @@
-// Copyright (c) Microsoft Corporation. All rights reserved. See License.txt in the project root for license information.
-
-using System.Collections.Generic;
-using Unity.Policy;
-
-namespace Unity.ResolverPolicy
-{
-    /// <summary>
-    /// Implementation of <see cref="IDependencyResolverTrackerPolicy"/>.
-    /// </summary>
-    public class DependencyResolverTrackerPolicy : IDependencyResolverTrackerPolicy
-    {
-        private readonly List<object> _keys = new List<object>();
-
-        /// <summary>
-        /// Add a new resolver to track by key.
-        /// </summary>
-        /// <param name="key">Key that was used to add the resolver to the policy set.</param>
-        public void AddResolverKey(object key)
-        {
-            lock (_keys)
-            {
-                _keys.Add(key);
-            }
-        }
-
-        /// <summary>
-        /// Remove the currently tracked resolvers from the given policy list.
-        /// </summary>
-        /// <param name="policies">Policy list to remove the resolvers from.</param>
-        public void RemoveResolvers(IPolicyList policies)
-        {
-            var allKeys = new List<object>();
-            lock (_keys)
-            {
-                allKeys.AddRange(_keys);
-                _keys.Clear();
-            }
-
-            foreach (object key in allKeys)
-            {
-                policies.Clear<IDependencyResolverPolicy>(key);
-            }
-        }
-
-        // Helper methods for adding and removing the tracker policy.
-
-        /// <summary>
-        /// GetOrDefault an instance that implements <see cref="IDependencyResolverTrackerPolicy"/>,
-        /// either the current one in the policy set or creating a new one if it doesn't
-        /// exist.
-        /// </summary>
-        /// <param name="policies">Policy list to look up from.</param>
-        /// <param name="buildKey">Build key to track.</param>
-        /// <returns>The resolver tracker.</returns>
-        public static IDependencyResolverTrackerPolicy GetTracker(IPolicyList policies, object buildKey)
-        {
-            IDependencyResolverTrackerPolicy tracker =
-                policies.Get<IDependencyResolverTrackerPolicy>(buildKey);
-            if (tracker == null)
-            {
-                tracker = new DependencyResolverTrackerPolicy();
-                policies.Set(tracker, buildKey);
-            }
-            return tracker;
-        }
-
-        /// <summary>
-        /// Add a key to be tracked to the current tracker.
-        /// </summary>
-        /// <param name="policies">Policy list containing the resolvers and trackers.</param>
-        /// <param name="buildKey">Build key for the resolvers being tracked.</param>
-        /// <param name="resolverKey">Key for the resolver.</param>
-        public static void TrackKey(IPolicyList policies, object buildKey, object resolverKey)
-        {
-            IDependencyResolverTrackerPolicy tracker = GetTracker(policies, buildKey);
-            tracker.AddResolverKey(resolverKey);
-        }
-
-        /// <summary>
-        /// Remove the resolvers for the given build key.
-        /// </summary>
-        /// <param name="policies">Policy list containing the build key.</param>
-        /// <param name="buildKey">Build key.</param>
-        public static void RemoveResolvers(IPolicyList policies, object buildKey)
-        {
-            IDependencyResolverTrackerPolicy tracker = policies.Get<IDependencyResolverTrackerPolicy>(buildKey);
-            tracker?.RemoveResolvers(policies);
-        }
-    }
-}