diff --git a/autoload/nerdcommenter.vim b/autoload/nerdcommenter.vim
index a7ae4b5..e7dba6e 100644
--- a/autoload/nerdcommenter.vim
+++ b/autoload/nerdcommenter.vim
@@ -460,10 +460,6 @@ endif
 " This function is responsible for setting up buffer scoped variables for the
 " current buffer.
 function! nerdcommenter#SetUp() abort
-    if exists('b:NERDCommenterDelims')
-        return
-    endif
-
     let filetype = &filetype
 
     "for compound filetypes, if we don't know how to handle the full filetype