diff --git a/lib/pg_search/multisearch.rb b/lib/pg_search/multisearch.rb
index 7c9e9d33..946e00b7 100644
--- a/lib/pg_search/multisearch.rb
+++ b/lib/pg_search/multisearch.rb
@@ -4,10 +4,8 @@ module Multisearch
 
     class << self
       def rebuild(model, clean_up=true)
-        model.transaction do
-          PgSearch::Document.where(:searchable_type => model.name).delete_all if clean_up
-          Rebuilder.new(model).rebuild
-        end
+        PgSearch::Document.where(:searchable_type => model.name).delete_all if clean_up
+        Rebuilder.new(model).rebuild
       end
     end
 
diff --git a/lib/pg_search/tasks.rb b/lib/pg_search/tasks.rb
index 04f799bd..fb250343 100644
--- a/lib/pg_search/tasks.rb
+++ b/lib/pg_search/tasks.rb
@@ -14,7 +14,7 @@
       original_schema_search_path = connection.schema_search_path
       begin
         connection.schema_search_path = args.schema if args.schema
-        PgSearch::Multisearch.rebuild(model_class)
+        PgSearch::Multisearch.rebuild(model_class, true)
       ensure
         connection.schema_search_path = original_schema_search_path
       end