diff --git a/kernel/bootstrap/array.rb b/kernel/bootstrap/array.rb
index 5c1ce06..530235d 100644
--- a/kernel/bootstrap/array.rb
+++ b/kernel/bootstrap/array.rb
@@ -1,4 +1,8 @@
 class Array
+  def self.__allocate__
+    Ruby.primitive :allocate
+    raise PrimitiveFailure, "Array.allocate failed"
+  end

   def size
     @total
diff --git a/kernel/core/array.rb b/kernel/core/array.rb
index d89b6c1..fa4283d 100644
--- a/kernel/core/array.rb
+++ b/kernel/core/array.rb
@@ -30,27 +30,19 @@ class Array
   def self.[](*args)
     new args
   end
-
-  def self.new(*args, &block)
-    raise ArgumentError, "Wrong number of arguments, #{args.size} for 2" if args.size > 2
-    
-    ary = allocate
-    ary.__send__ :setup
-    ary.__send__ :initialize, *args, &block
-    ary
-  end

   # At present, @tuple.kind_of?(Tuple) is essentially an invariant for Array.
   # If we relax this and ensure that every method behaves correctly if 
   # @tuple == nil, then we can omit initializing @tuple here. We cannot
   # easily know whether #initialize is defined in a subclass when this
   # method is called.
-  def setup
-    @start = 0
-    @total = 0
-    @tuple = Tuple.new 8
+  def self.allocate
+    ary = __allocate__
+    ary.start = 0
+    ary.total = 0
+    ary.tuple = Tuple.new 8
+    ary
   end
-  private :setup