diff --git a/patches/december_2012/file_list_rename.py b/patches/december_2012/file_list_rename.py
new file mode 100644
index 00000000000..52657ac2d65
--- /dev/null
+++ b/patches/december_2012/file_list_rename.py
@@ -0,0 +1,10 @@
+import webnotes
+
+def execute():
+	for dt in webnotes.conn.sql("""select distinct parent from tabDocField 
+		where fieldname='file_list'"""):
+		try:
+			webnotes.conn.sql("""update `tab%s` set file_list = 
+				replace(file_list, "-", "")""" % dt[0])
+		except Exception, e:
+			if e.args[0]!=1146: raise e
\ No newline at end of file
diff --git a/patches/patch_list.py b/patches/patch_list.py
index 9e46f91bc0f..2e8fc5e4fed 100644
--- a/patches/patch_list.py
+++ b/patches/patch_list.py
@@ -733,6 +733,10 @@ patch_list = [
 		'patch_module': 'patches.december_2012',
 		'patch_file': 'fix_default_print_format',
 	},
+	{
+		'patch_module': 'patches.december_2012',
+		'patch_file': 'file_list_rename',
+	},
 	{
 		'patch_module': 'patches.december_2012',
 		'patch_file': 'replace_createlocal',
diff --git a/projects/doctype/task/task_list.js b/projects/doctype/task/task_list.js
index 724505cae48..536168631f6 100644
--- a/projects/doctype/task/task_list.js
+++ b/projects/doctype/task/task_list.js
@@ -5,7 +5,6 @@ wn.doclistviews['Task'] = wn.views.ListView.extend({
 		this.fields = this.fields.concat([
 			'`tabTask`.subject',
 			'`tabTask`.project',
-			'`tabTask`.modified',
 			'`tabTask`.status',
 			'`tabTask`.opening_date',
 			'`tabTask`.priority',