diff --git a/Library/Homebrew/extend/ARGV.rb b/Library/Homebrew/extend/ARGV.rb
index df2decfccf..25707a2e30 100644
--- a/Library/Homebrew/extend/ARGV.rb
+++ b/Library/Homebrew/extend/ARGV.rb
@@ -165,6 +165,8 @@ module HomebrewArgvExtension
     value 'env'
   end
 
+  private
+
   def spec
     if include?("--HEAD")
       :head
@@ -175,8 +177,6 @@ module HomebrewArgvExtension
     end
   end
 
-  private
-
   def downcased_unique_named
     # Only lowercase names, not paths or URLs
     @downcased_unique_named ||= named.map do |arg|