Rails 4 always has a scope, not an array

spec/spec_helper.rb

@@ -161,9 +161,8 @@ def respond_to?(sym)
     end
   end
 
-  # In Rails 3 Model.all returns an array. In Rails 4, it returns an
-  # association proxy, which quacks a lot like an array. We use this in stubs 
-  # or mocks where we need to return the later.
+  # Model.all returns an association proxy, which quacks a lot like an array.
+  # We use this in stubs or mocks where we need to return the later.
   # 
   # TODO try delegate?
   # delegate :map, :size, :length, :first, :to_ary, :each, :include?, :to => :array
@@ -246,14 +245,8 @@ def author_path(*args); "/authors/1"; end
     def authors_path(*args); "/authors"; end
     def new_author_path(*args); "/authors/new"; end
 
-    # Returns the array for Rails 3 and a thing that looks looks like an 
-    # association proxy for Rails 4+
     def author_array_or_scope(the_array = [@fred, @bob])
-      if ::Formtastic::Util.rails3?
-        the_array
-      else
-        MockScope.new(the_array)
-      end
+      MockScope.new(the_array)
     end
 
     @fred = ::Author.new