diff --git a/vimrc b/vimrc
index e9fba0c6..bb2b92a6 100644
--- a/vimrc
+++ b/vimrc
@@ -85,8 +85,6 @@ nnoremap <C-f> :NERDTreeFind<CR>
 
 " Exit Vim if NERDTree is the only window remaining in the only tab.
 autocmd BufEnter * if tabpagenr('$') == 1 && winnr('$') == 1 && exists('b:NERDTree') && b:NERDTree.isTabTree() | quit | endif
-" Open the existing NERDTree on each new tab.
-autocmd BufWinEnter * if getcmdwintype() == '' | silent NERDTreeMirror | endif
 
 set splitbelow
 set splitright