2 files changed, 2 insertions, 10 deletions
diff --git a/lib/active_relation/extensions/array.rb b/lib/active_relation/extensions/array.rb
index 5e2981a4c5..c07819d35f 100644
--- a/lib/active_relation/extensions/array.rb
+++ b/lib/active_relation/extensions/array.rb
@@ -3,7 +3,7 @@ class Array
     Hash[*flatten]
   end
   
-  def to_sql(formatter = Sql::SelectExpression.new)
-    formatter.array self
+  def to_sql(formatter = nil)
+    "(" + collect { |e| e.to_sql(formatter) }.join(', ') + ")"
   end
 end
 \ No newline at end of file
diff --git a/lib/active_relation/extensions/hash.rb b/lib/active_relation/extensions/hash.rb
index 133eab1026..a33ace5738 100644
--- a/lib/active_relation/extensions/hash.rb
+++ b/lib/active_relation/extensions/hash.rb
@@ -8,12 +8,4 @@ class Hash
       descendent.merge(yield(key) => yield(value))
     end
   end
-  
-  def to_sql(formatter = nil)
-    '(' +
-      inject([]) do |values, (key, value)|
-        values << key.format(value)
-      end.join(', ') +
-    ')'
-  end
 end
 \ No newline at end of file