diff --git a/lib/rubygems/command.rb b/lib/rubygems/command.rb
index 1e15f612de..cd6af51d78 100644
--- a/lib/rubygems/command.rb
+++ b/lib/rubygems/command.rb
@@ -461,7 +461,7 @@ class Gem::Command
     until extra.empty? do
       ex = []
       ex << extra.shift
-      ex << extra.shift if extra.first.to_s =~ /^[^-]/ # rubocop:disable Performance/StartWith
+      ex << extra.shift if extra.first.to_s =~ /^[^-]/
       result << ex if handles?(ex)
     end