-nnoremap <Leader>1 :1b<CR>
-nnoremap <Leader>2 :2b<CR>
-nnoremap <Leader>3 :3b<CR>
-nnoremap <Leader>4 :4b<CR>
-nnoremap <Leader>5 :5b<CR>
-nnoremap <Leader>6 :6b<CR>
-nnoremap <Leader>7 :7b<CR>
-nnoremap <Leader>8 :8b<CR>
-nnoremap <Leader>9 :9b<CR>
-nnoremap <Leader>0 :10b<CR>
+nnoremap <silent> <Leader>1 :1b<CR>
+nnoremap <silent> <Leader>2 :2b<CR>
+nnoremap <silent> <Leader>3 :3b<CR>
+nnoremap <silent> <Leader>4 :4b<CR>
+nnoremap <silent> <Leader>5 :5b<CR>
+nnoremap <silent> <Leader>6 :6b<CR>
+nnoremap <silent> <Leader>7 :7b<CR>
+nnoremap <silent> <Leader>8 :8b<CR>
+nnoremap <silent> <Leader>9 :9b<CR>
+nnoremap <silent> <Leader>0 :10b<CR>