1 files changed, 1 insertions, 17 deletions
diff --git a/lib/arel/nodes/sum.rb b/lib/arel/nodes/sum.rb
index d81455fa5f..3e043b7330 100644
--- a/lib/arel/nodes/sum.rb
+++ b/lib/arel/nodes/sum.rb
@@ -1,22 +1,6 @@
 module Arel
   module Nodes
-    class Sum
-      attr_accessor :expressions, :alias
-
-      def initialize expr, aliaz = nil
-        @expressions = expr
-        @alias       = aliaz
-      end
-
-      def as aliaz
-        self.alias = SqlLiteral.new(aliaz)
-        self
-      end
-
-      def to_sql
-        viz = Visitors::ToSql.new Table.engine
-        viz.accept self
-      end
+    class Sum < Arel::Nodes::Function
     end
   end
 end