diff --git a/lib/mongo/util/pool_manager.rb b/lib/mongo/util/pool_manager.rb
index 9168141..2241421 100644
--- a/lib/mongo/util/pool_manager.rb
+++ b/lib/mongo/util/pool_manager.rb
@@ -135,7 +135,6 @@ module Mongo
     end
 
     def initialize_data
-      @seeds = []
       @primary = nil
       @primary_pool = nil
       @read_pool = nil