diff --git a/lib/bundle/dsl.rb b/lib/bundle/dsl.rb
index 5742c36ba..e21f2df2f 100644
--- a/lib/bundle/dsl.rb
+++ b/lib/bundle/dsl.rb
@@ -91,9 +91,9 @@ def tap(name, clone_target = nil, options = {})
       @entries << Entry.new(:tap, name, options)
     end
 
-    HOMEBREW_TAP_ARGS_REGEX = %r{^([\w-]+)/(homebrew-)?([\w-]+)$}.freeze
-    HOMEBREW_CORE_FORMULA_REGEX = %r{^homebrew/homebrew/([\w+-.@]+)$}i.freeze
-    HOMEBREW_TAP_FORMULA_REGEX = %r{^([\w-]+)/([\w-]+)/([\w+-.@]+)$}.freeze
+    HOMEBREW_TAP_ARGS_REGEX = %r{^([\w-]+)/(homebrew-)?([\w-]+)$}
+    HOMEBREW_CORE_FORMULA_REGEX = %r{^homebrew/homebrew/([\w+-.@]+)$}i
+    HOMEBREW_TAP_FORMULA_REGEX = %r{^([\w-]+)/([\w-]+)/([\w+-.@]+)$}
 
     def self.sanitize_brew_name(name)
       name = name.downcase