diff --git a/bundles-init/gundo.vim.cfg.vim b/bundles-init/gundo.vim.cfg.vim
deleted file mode 100644
index 384e1b4..0000000
--- a/bundles-init/gundo.vim.cfg.vim
+++ /dev/null
@@ -1 +0,0 @@
-nnoremap <Leader>u :GundoToggle<CR>
diff --git a/bundles-init/gundo.vim.load.vim b/bundles-init/gundo.vim.load.vim
deleted file mode 100644
index 3b19ff8..0000000
--- a/bundles-init/gundo.vim.load.vim
+++ /dev/null
@@ -1,3 +0,0 @@
-NeoBundleLazy 'sjl/gundo.vim' , {
-	\ 'mappings' : '<Leader>u'
-\ }
diff --git a/bundles-init/undotree.cfg.vim b/bundles-init/undotree.cfg.vim
new file mode 100644
index 0000000..f7e1987
--- /dev/null
+++ b/bundles-init/undotree.cfg.vim
@@ -0,0 +1 @@
+nnoremap <Leader>u :UndotreeToggle<CR>
diff --git a/bundles-init/undotree.load.vim b/bundles-init/undotree.load.vim
new file mode 100644
index 0000000..a33462d
--- /dev/null
+++ b/bundles-init/undotree.load.vim
@@ -0,0 +1 @@
+NeoBundle 'mbbill/undotree'