diff --git a/app_auto_backup/static/description/index.html b/app_auto_backup/static/description/index.html
index 0a73217e..351eae1f 100644
--- a/app_auto_backup/static/description/index.html
+++ b/app_auto_backup/static/description/index.html
@@ -1,4 +1,3 @@
-<?xml version="1.0" encoding="utf-8"?>
 <!--
 # -*- coding: utf-8 -*-
 ##############################################################################
diff --git a/app_crm_superbar/static/description/index.html b/app_crm_superbar/static/description/index.html
index 4869198a..0172baa4 100644
--- a/app_crm_superbar/static/description/index.html
+++ b/app_crm_superbar/static/description/index.html
@@ -1,4 +1,3 @@
-<?xml version="1.0" encoding="utf-8"?>
 <!--
 # -*- coding: utf-8 -*-
 ##############################################################################
diff --git a/app_saas/static/description/index.html b/app_saas/static/description/index.html
index 3d64d99c..90751391 100644
--- a/app_saas/static/description/index.html
+++ b/app_saas/static/description/index.html
@@ -1,4 +1,3 @@
-<?xml version="1.0" encoding="utf-8"?>
 <!--
 # -*- coding: utf-8 -*-
 ##############################################################################
diff --git a/app_sample/static/description/index.html b/app_sample/static/description/index.html
index 07bac5f1..f219da7d 100644
--- a/app_sample/static/description/index.html
+++ b/app_sample/static/description/index.html
@@ -1,4 +1,3 @@
-<?xml version="1.0" encoding="utf-8"?>
 <!--
 # -*- coding: utf-8 -*-
 ##############################################################################
diff --git a/l10n_cn_standard_latest/static/description/index.html b/l10n_cn_standard_latest/static/description/index.html
index 0a6f7b23..e93ba305 100644
--- a/l10n_cn_standard_latest/static/description/index.html
+++ b/l10n_cn_standard_latest/static/description/index.html
@@ -1,4 +1,3 @@
-<?xml version="1.0" encoding="utf-8"?>
 <!--
 # -*- coding: utf-8 -*-
 ##############################################################################