diff --git a/autoload/neosnippet/mappings.vim b/autoload/neosnippet/mappings.vim
index 8229df6..696e088 100644
--- a/autoload/neosnippet/mappings.vim
+++ b/autoload/neosnippet/mappings.vim
@@ -61,7 +61,6 @@ function! neosnippet#mappings#_clear_select_mode_mappings() abort "{{{
   snoremap <BS>     a<BS>
   snoremap <Del>    a<BS>
   snoremap <C-h>    a<BS>
-  snoremap <ESC>    <BS><ESC>
 endfunction"}}}
 
 function! neosnippet#mappings#_register_oneshot_snippet() abort "{{{