diff --git a/autoload/vundle/config.vim b/autoload/vundle/config.vim
index 9a607af..59a9cad 100644
--- a/autoload/vundle/config.vim
+++ b/autoload/vundle/config.vim
@@ -50,11 +50,11 @@ func! s:parse_name(arg)
 endf
 
 func! s:rtp_rm_a()
-  for b in g:bundles | call s:rtp_rm(b.rtpath()) | endfor
+  call filter(copy(g:bundles), 's:rtp_rm(v:val.rtpath())')
 endf
 
 func! s:rtp_add_a()
-  for b in reverse(copy(g:bundles)) | call s:rtp_add(b.rtpath()) | endfor
+  call filter(reverse(copy(g:bundles)), 's:rtp_add(v:val.rtpath())')
 endf
 
 func! s:rtp_rm(dir)
diff --git a/autoload/vundle/installer.vim b/autoload/vundle/installer.vim
index cca0ba7..fda2985 100644
--- a/autoload/vundle/installer.vim
+++ b/autoload/vundle/installer.vim
@@ -3,7 +3,7 @@ func! vundle#installer#install(bang, ...)
   let bundles = (a:1 == '') ?
         \ s:reload_bundles() :
         \ map(copy(a:000), 'vundle#config#init_bundle(v:val, {})')
-  for bundle in bundles | call s:install(a:bang, bundle) | endfor
+  call map(copy(bundles), 's:install(a:bang, v:val)')
   call vundle#installer#helptags(bundles)
 endf