diff --git a/.gitmodules b/.gitmodules
index 65c308a..6d352a6 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -7,3 +7,6 @@
 [submodule "vim/bundle/nerdtree"]
 	path = vim/bundle/nerdtree
 	url = https://github.com/scrooloose/nerdtree.git
+[submodule "vim/bundle/vim-bad-whitespace"]
+	path = vim/bundle/vim-bad-whitespace
+	url = https://github.com/bitc/vim-bad-whitespace
diff --git a/vim/bundle/vim-bad-whitespace b/vim/bundle/vim-bad-whitespace
new file mode 160000
index 0000000..51aca6d
--- /dev/null
+++ b/vim/bundle/vim-bad-whitespace
@@ -0,0 +1 @@
+Subproject commit 51aca6d383fe277627794e1b84f7d2a93cbd4c18
diff --git a/vim/rcfiles/gvimrc b/vim/rcfiles/gvimrc
index 5d11b71..055d7d2 100644
--- a/vim/rcfiles/gvimrc
+++ b/vim/rcfiles/gvimrc
@@ -1,4 +1,2 @@
-set background=dark
 colorscheme gruvbox
 set guifont=SauceCodePro+Powerline+Awesome\ Regular\ Nerd\ Font
-set guioptions-=rL
diff --git a/vim/rcfiles/vimrc b/vim/rcfiles/vimrc
index 846f4e9..57c9122 100644
--- a/vim/rcfiles/vimrc
+++ b/vim/rcfiles/vimrc
@@ -1,4 +1,4 @@
-version 7.3.754
+version 7.4
 
 syntax on
 set encoding=utf-8
@@ -6,7 +6,6 @@ set background=dark
 colorscheme gruvbox
 hi BadWhitespace ctermbg=red guibg=red
 
-set t_Co=256
 set gdefault
 set nobackup
 set nodigraph