diff --git a/GitTfs/Commands/Subtree.cs b/GitTfs/Commands/Subtree.cs
index 7c2e9667..213a0a58 100644
--- a/GitTfs/Commands/Subtree.cs
+++ b/GitTfs/Commands/Subtree.cs
@@ -155,12 +155,11 @@ namespace Sep.Git.Tfs.Commands
 
 {2}", Prefix, remote.MaxCommitHash, msg);
 
-                List<string> args = new List<string>(){"subtree", "add", 
+                _globals.Repository.CommandNoisy(
+                    "subtree", "add",
                     "--prefix=" + p,
                     string.Format("-m {0}", msg),
-                    remote.RemoteRef
-                    };
-                command(args);
+                    remote.RemoteRef);
 
                 //update the owner remote to point at the commit where the newly created subtree was merged.
                 var commit = _globals.Repository.GetCurrentCommit();
@@ -184,8 +183,7 @@ namespace Sep.Git.Tfs.Commands
             if (result == GitTfsExitCodes.OK)
             {
                 var p = Prefix.Replace(" ", "\\ ");
-                List<string> args = new List<string>(){ "subtree", "merge", "--prefix=" + p, remote.RemoteRef };
-                command(args);
+                _globals.Repository.CommandNoisy("subtree", "merge", "--prefix=" + p, remote.RemoteRef);
                 result = GitTfsExitCodes.OK;
             }
 
@@ -197,10 +195,8 @@ namespace Sep.Git.Tfs.Commands
             ValidatePrefix();
 
             var p = Prefix.Replace(" ", "\\ ");
-            List<string> args = new List<string>() { "subtree", "split", "--prefix=" + p, "-b", p };
-            command(args);
-            args = new List<string>() { "checkout", p };
-            command(args);
+            _globals.Repository.CommandNoisy("subtree", "split", "--prefix=" + p, "-b", p);
+            _globals.Repository.CommandNoisy("checkout", p);
 
             //update subtree refs if needed
             var owners = _globals.Repository.GetLastParentTfsCommits("HEAD").Where(x => !x.Remote.IsSubtree && x.Remote.TfsRepositoryPath == null).ToList();
@@ -224,12 +220,5 @@ namespace Sep.Git.Tfs.Commands
                     .WithRecommendation("Add the subtree using 'git tfs subtree add -p=<prefix> [tfs-server] [tfs-repository]'");
             }
         }
-
-
-        private void command(List<string> args)
-        {
-            _stdout.WriteLine("git " + string.Join(" ", args));
-            _globals.Repository.CommandNoisy(args.ToArray());
-        }
     }
 }
diff --git a/GitTfs/Core/TfsWriter.cs b/GitTfs/Core/TfsWriter.cs
index 6a5d97f1..6f660f0d 100644
--- a/GitTfs/Core/TfsWriter.cs
+++ b/GitTfs/Core/TfsWriter.cs
@@ -23,15 +23,15 @@ namespace Sep.Git.Tfs.Core
             if (_globals.UserSpecifiedRemoteId != null)
                 tfsParents = tfsParents.Where(changeset => changeset.Remote.Id == _globals.UserSpecifiedRemoteId);
 
-            return WriteWith(tfsParents.ToList(), write);
+            return WriteWith(tfsParents, write);
         }
 
-        private int WriteWith(List<TfsChangesetInfo> tfsParents, Func<TfsChangesetInfo, int> write)
+        private int WriteWith(IEnumerable<TfsChangesetInfo> tfsParents, Func<TfsChangesetInfo, int> write)
         {
-            switch (tfsParents.Count)
+            switch (tfsParents.Count())
             {
                 case 1:
-                    var changeset = tfsParents[0];
+                    var changeset = tfsParents.First();
                     return write(changeset);
                 case 0:
                     _stdout.WriteLine("No TFS parents found!");
@@ -40,7 +40,7 @@ namespace Sep.Git.Tfs.Core
                     //try looking for the non-subtree changesets
                     if (tfsParents.Any(x => x.Remote.IsSubtree))
                     {
-                        return WriteWith(tfsParents.Where(x => !x.Remote.IsSubtree).ToList(), write);
+                        return WriteWith(tfsParents.Where(x => !x.Remote.IsSubtree), write);
                     }
 
                     _stdout.WriteLine("More than one parent found! Use -i to choose the correct parent from: ");