1 files changed, 2 insertions, 7 deletions
diff --git a/lib/arel/tree_manager.rb b/lib/arel/tree_manager.rb
index cc3f1eeee4..b237bf368d 100644
--- a/lib/arel/tree_manager.rb
+++ b/lib/arel/tree_manager.rb
@@ -1,17 +1,12 @@
 # frozen_string_literal: true
-require 'arel/collectors/sql_string'
-
 module Arel
   class TreeManager
     include Arel::FactoryMethods
 
-    attr_reader :ast, :engine
-
-    attr_accessor :bind_values
+    attr_reader :ast
 
     def initialize
-      @ctx    = nil
-      @bind_values = []
+      @ctx = nil
     end
 
     def to_dot