diff --git a/.vimrc b/.vimrc
index 285f013..c4bcd55 100644
--- a/.vimrc
+++ b/.vimrc
@@ -40,6 +40,9 @@ if exists('+mouse')
 else
 endif
 
+" F5 to trim trailing whitespace
+map <silent> <F5> :let _s=@/ <Bar> :%s/\s\+$//e <Bar> :let @/=_s <Bar> :nohl <Bar> :unlet _s <CR>
+
 " NERDTree binding
 map <C-n> :NERDTreeToggle<CR>