diff --git a/README.md b/README.md
index be7264c..8068aed 100644
--- a/README.md
+++ b/README.md
@@ -45,12 +45,10 @@ Using [Vundle](https://github.com/VundleVim/Vundle.vim)
 Plugin 'zivyangll/git-blame.vim'
 ```
 
-Default bindings
+Please setting bindings
 -----------------
 
-**The default leader has been changed to `<Leader>s` to avoid
-conflicts with other plugins you may have installed.** This can easily be
-changed by rebinding the leader in your vimrc:
+** You must push the map in your vimrc to avoid conflicts with other plugins you may have installed.: **
 
 ```vim
 nnoremap <Leader>s :<C-u>call gitblame#echo()<CR>
diff --git a/plugin/gitblame.vim b/plugin/gitblame.vim
index 8772eb5..2370844 100644
--- a/plugin/gitblame.vim
+++ b/plugin/gitblame.vim
@@ -4,5 +4,3 @@ endif
 let g:loaded_gitblame = 1
 
 command! -nargs=0 GitBlame call gitblame#echo()
-
-nnoremap <Leader>s :<C-u>call gitblame#echo()<CR>