2 files changed, 1 insertions, 13 deletions
diff --git a/lib/arel/visitors/dot.rb b/lib/arel/visitors/dot.rb
index c515cbe220..eab5e4afdc 100644
--- a/lib/arel/visitors/dot.rb
+++ b/lib/arel/visitors/dot.rb
@@ -28,10 +28,6 @@ module Arel
       end
 
       private
-      def visit_Arel_Nodes_Grouping o
-        visit_edge o, "expr"
-      end
-
       def visit_Arel_Nodes_Ordering o
         visit_edge o, "expr"
         visit_edge o, "direction"
@@ -55,10 +51,6 @@ module Arel
         visit_edge o, "distinct"
       end
 
-      def visit_Arel_Nodes_On o
-        visit_edge o, "expr"
-      end
-
       def visit_Arel_Nodes_Values o
         visit_edge o, "expressions"
       end
@@ -80,10 +72,6 @@ module Arel
         visit_edge o, "wheres"
       end
 
-      def visit_Arel_Nodes_UnqualifiedColumn o
-        visit_edge o, "attribute"
-      end
-
       def unary o
         visit_edge o, "expr"
       end
diff --git a/lib/arel/visitors/to_sql.rb b/lib/arel/visitors/to_sql.rb
index 35a0d9746f..bd0d664b44 100644
--- a/lib/arel/visitors/to_sql.rb
+++ b/lib/arel/visitors/to_sql.rb
@@ -105,7 +105,7 @@ module Arel
         [
           o.cores.map { |x| visit_Arel_Nodes_SelectCore x }.join,
           ("ORDER BY #{o.orders.map { |x| visit x }.join(', ')}" unless o.orders.empty?),
-          ("LIMIT #{o.limit}" if o.limit),
+          ("LIMIT #{visit o.limit}" if o.limit),
           (visit(o.offset) if o.offset),
           (visit(o.lock) if o.lock),
         ].compact.join ' '