diff --git a/build/repo.targets b/build/repo.targets
index 53ada8ef18..63af8766c3 100644
--- a/build/repo.targets
+++ b/build/repo.targets
@@ -239,7 +239,6 @@
       Artifacts="@(ArtifactInfo);@(ShippedArtifactInfo)"
       Repositories="@(Repository);@(ShippedRepository)"
       Dependencies="@(ExternalDependency)"
-      StartGraphAt="$(BuildGraphOf)"
       Properties="Configuration=$(Configuration);BuildNumber=$(BuildNumber);DotNetPackageVersionPropsPath=$(GeneratedPackageVersionPropsPath);DotNetRestoreSourcePropsPath=$(GeneratedRestoreSourcesPropsPath)">
       <Output TaskParameter="RepositoryBuildOrder" ItemName="RepositoryBuildOrder" />
     </RepoTasks.AnalyzeBuildGraph>
diff --git a/build/tasks/AnalyzeBuildGraph.cs b/build/tasks/AnalyzeBuildGraph.cs
index 7975908bae..fac4914f30 100644
--- a/build/tasks/AnalyzeBuildGraph.cs
+++ b/build/tasks/AnalyzeBuildGraph.cs
@@ -38,8 +38,6 @@ namespace RepoTasks
         [Required]
         public string Properties { get; set; }
 
-        public string StartGraphAt { get; set; }
-
         /// <summary>
         /// The order in which to build repositories
         /// </summary>
@@ -270,14 +268,13 @@ namespace RepoTasks
                     return repo;
                 }).ToList();
 
-            var graph = GraphBuilder.Generate(repositories, StartGraphAt, Log);
+            var graph = GraphBuilder.Generate(repositories, Log);
             var repositoriesWithOrder = new List<(ITaskItem repository, int order)>();
             foreach (var repository in repositories)
             {
                 var graphNodeRepository = graph.FirstOrDefault(g => g.Repository.Name == repository.Name);
                 if (graphNodeRepository == null)
                 {
-                    // StartGraphAt was specified so the graph is incomplete.
                     continue;
                 }
 
diff --git a/build/tasks/BuildGraph/GraphBuilder.cs b/build/tasks/BuildGraph/GraphBuilder.cs
index d70b1ba45d..355989f171 100644
--- a/build/tasks/BuildGraph/GraphBuilder.cs
+++ b/build/tasks/BuildGraph/GraphBuilder.cs
@@ -11,7 +11,7 @@ namespace RepoTools.BuildGraph
 {
     public static class GraphBuilder
     {
-        public static IList<GraphNode> Generate(IList<Repository> repositories, string root, TaskLoggingHelper log)
+        public static IList<GraphNode> Generate(IList<Repository> repositories, TaskLoggingHelper log)
         {
             // Build global list of primary projects
             var primaryProjects = repositories.SelectMany(c => c.Projects)
@@ -19,15 +19,9 @@ namespace RepoTools.BuildGraph
             var graphNodes = repositories.Select(r => new GraphNode { Repository = r })
                 .ToDictionary(r => r.Repository);
 
-            GraphNode searchRoot = null;
-
             foreach (var project in repositories.SelectMany(r => r.AllProjects))
             {
                 var thisProjectRepositoryNode = graphNodes[project.Repository];
-                if (!string.IsNullOrEmpty(root) && string.Equals(root, project.Repository.Name, StringComparison.OrdinalIgnoreCase))
-                {
-                    searchRoot = thisProjectRepositoryNode;
-                }
 
                 foreach (var packageDependency in project.PackageReferences)
                 {
@@ -50,25 +44,7 @@ namespace RepoTools.BuildGraph
                 }
             }
 
-            var results = new HashSet<GraphNode>();
-            if (searchRoot != null)
-            {
-                Visit(results, searchRoot);
-                return results.ToList();
-            }
-
             return graphNodes.Values.ToList();
         }
-
-        private static void Visit(HashSet<GraphNode> results, GraphNode searchRoot)
-        {
-            if (results.Add(searchRoot))
-            {
-                foreach (var node in searchRoot.Outgoing)
-                {
-                    Visit(results, node);
-                }
-            }
-        }
     }
 }