1 files changed, 4 insertions, 0 deletions
diff --git a/spec/doubles/hash.rb b/spec/doubles/hash.rb
index 32c5b98058..fd9edd34ad 100644
--- a/spec/doubles/hash.rb
+++ b/spec/doubles/hash.rb
@@ -3,18 +3,22 @@ class Hash
     to_a.sort { |(key1, value1), (key2, value2)| key1.hash <=> key2.hash }
   end
 
+  undef :keys
   def keys
     ordered_array.collect(&:first)
   end
 
+  undef :values
   def values
     ordered_array.collect { |_, v| v }
   end
 
+  undef :each
   def each(&block)
     ordered_array.each(&block)
   end
 
+  undef :shift
   def shift
     returning to_a.first do |k, v|
       delete(k)