diff --git a/tool/sync_default_gems.rb b/tool/sync_default_gems.rb
index 26458147e5..e7917f7bec 100644
--- a/tool/sync_default_gems.rb
+++ b/tool/sync_default_gems.rb
@@ -86,7 +86,7 @@ def sync_default_gems(gem)
     `cp -r ../../rubygems/rubygems/lib/rubygems* ./lib`
     `cp -r ../../rubygems/rubygems/test/rubygems ./test`
   when "bundler"
-    `rm -rf lib/bundler* libexec/bundler libexec/bundle libexec/bundle_ruby spec/bundler man/bundle* man/gemfile*`
+    `rm -rf lib/bundler* libexec/bundler libexec/bundle spec/bundler man/bundle* man/gemfile*`
     `cp -r ../../bundler/bundler/lib/bundler* ./lib`
     `cp -r ../../bundler/bundler/exe/bundle* ./libexec`
     `cp ../../bundler/bundler/bundler.gemspec ./lib/bundler`