--- a/src/luan/modules/lucene/Lucene.luan	Fri Sep 20 17:00:30 2019 -0600
+++ b/src/luan/modules/lucene/Lucene.luan	Tue Sep 24 15:02:33 2019 -0600
@@ -13,7 +13,6 @@
 local Thread = require "luan:Thread.luan"
 local schedule = Thread.schedule or error()
 local run_in_lock = Thread.run_in_lock or error()
-local backup_read_lock = Thread.backup_read_lock or error()
 local Time = require "luan:Time.luan"
 local Rpc = require "luan:Rpc.luan"
 local LuceneIndex = require "java:luan.modules.lucene.LuceneIndex"
@@ -151,19 +150,6 @@
 		end )
 	end
 
-	function index.schedule_backups_to(backup_dir,repeating_delay)
-		local lucene_dir = index.dir
-		local function backup()
-			if backup_dir.last_modified() < lucene_dir.last_modified() then
-				run_in_lock(backup_read_lock, index.backup_to,backup_dir)
-				logger.info "backup"
-			end
-		end
-		schedule( backup, {
-			repeating_delay = repeating_delay or Time.period{minutes=10}
-		} )
-	end
-
 	function index.zip(zip_file)
 		index.snapshot( function(dir_path,file_names)
 			zip_file.delete()
@@ -220,14 +206,4 @@
 	return index
 end
 
-function Lucene.recover(index_dir,restore_dir)
-	if not index_dir.exists() and restore_dir.exists() then
-		index_dir.mkdir()
-		for _, child in ipairs(restore_dir.children()) do
-			index_dir.child(child.name()).link_to(child)
-		end
-		logger.error "recovered"
-	end
-end
-
 return Lucene