1 files changed, 2 insertions, 6 deletions
diff --git a/Library/Homebrew/formula.rb b/Library/Homebrew/formula.rb
index f0217bb74..19def4337 100644
--- a/Library/Homebrew/formula.rb
+++ b/Library/Homebrew/formula.rb
@@ -633,12 +633,8 @@ class Formula
       stable.mirror(val)
     end
 
-    Checksum::TYPES.each do |cksum|
-      class_eval <<-EOS, __FILE__, __LINE__ + 1
-        def #{cksum}(val)
-          stable.#{cksum}(val)
-        end
-      EOS
+    Checksum::TYPES.each do |type|
+      define_method(type) { |val| stable.send(type, val) }
     end
 
     def bottle *, &block