diff --git a/src/Resources/config/doctrine/BaseBlock.orm.xml b/src/Resources/config/doctrine/BaseBlock.orm.xml
index 851320546..e06c2af69 100644
--- a/src/Resources/config/doctrine/BaseBlock.orm.xml
+++ b/src/Resources/config/doctrine/BaseBlock.orm.xml
@@ -1,10 +1,10 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<doctrine-mapping xmlns="https://doctrine-project.org/schemas/orm/doctrine-mapping" xsi="https://www.w3.org/2001/XMLSchema-instance" schemaLocation="https://doctrine-project.org/schemas/orm/doctrine-mapping https://www.doctrine-project.org/schemas/orm/doctrine-mapping.xsd">
+<doctrine-mapping xmlns="http://doctrine-project.org/schemas/orm/doctrine-mapping" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="https://doctrine-project.org/schemas/orm/doctrine-mapping https://www.doctrine-project.org/schemas/orm/doctrine-mapping.xsd">
     <mapped-superclass name="Sonata\PageBundle\Entity\BaseBlock">
         <field name="name" type="string" column="name" length="255" nullable="true"/>
         <field name="type" type="string" column="type" length="255"/>
         <field name="settings" type="json" column="settings"/>
-        <field name="enabled" type="boolean" column="enabled" nullable="true" default="false"/>
+        <field name="enabled" type="boolean" column="enabled" nullable="true"/>
         <field name="position" type="integer" column="position" nullable="true"/>
         <field name="createdAt" type="datetime" column="created_at"/>
         <field name="updatedAt" type="datetime" column="updated_at"/>
diff --git a/src/Resources/config/doctrine/BasePage.orm.xml b/src/Resources/config/doctrine/BasePage.orm.xml
index 7b83e6129..79a0f72ce 100644
--- a/src/Resources/config/doctrine/BasePage.orm.xml
+++ b/src/Resources/config/doctrine/BasePage.orm.xml
@@ -1,13 +1,13 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<doctrine-mapping xmlns="https://doctrine-project.org/schemas/orm/doctrine-mapping" xsi="https://www.w3.org/2001/XMLSchema-instance" schemaLocation="https://doctrine-project.org/schemas/orm/doctrine-mapping https://www.doctrine-project.org/schemas/orm/doctrine-mapping.xsd">
+<doctrine-mapping xmlns="http://doctrine-project.org/schemas/orm/doctrine-mapping" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="https://doctrine-project.org/schemas/orm/doctrine-mapping https://www.doctrine-project.org/schemas/orm/doctrine-mapping.xsd">
     <mapped-superclass name="Sonata\PageBundle\Entity\BasePage">
         <field name="routeName" type="string" column="route_name" length="255"/>
         <field name="pageAlias" type="string" column="page_alias" nullable="true" length="255"/>
         <field name="type" type="string" column="type" nullable="true" length="255"/>
-        <field name="position" type="integer" column="position" default="1"/>
-        <field name="enabled" type="boolean" column="enabled" default="false"/>
-        <field name="decorate" type="boolean" column="decorate" default="false"/>
-        <field name="edited" type="boolean" column="edited" default="false"/>
+        <field name="position" type="integer" column="position"/>
+        <field name="enabled" type="boolean" column="enabled"/>
+        <field name="decorate" type="boolean" column="decorate"/>
+        <field name="edited" type="boolean" column="edited"/>
         <field name="name" type="string" column="name" length="255"/>
         <field name="slug" type="text" column="slug" nullable="true"/>
         <field name="url" type="text" column="url" nullable="true"/>
diff --git a/src/Resources/config/doctrine/BaseSite.orm.xml b/src/Resources/config/doctrine/BaseSite.orm.xml
index 138ee6f59..c8023249d 100644
--- a/src/Resources/config/doctrine/BaseSite.orm.xml
+++ b/src/Resources/config/doctrine/BaseSite.orm.xml
@@ -1,13 +1,13 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<doctrine-mapping xmlns="https://doctrine-project.org/schemas/orm/doctrine-mapping" xsi="https://www.w3.org/2001/XMLSchema-instance" schemaLocation="https://doctrine-project.org/schemas/orm/doctrine-mapping https://www.doctrine-project.org/schemas/orm/doctrine-mapping.xsd">
+<doctrine-mapping xmlns="http://doctrine-project.org/schemas/orm/doctrine-mapping" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="https://doctrine-project.org/schemas/orm/doctrine-mapping https://www.doctrine-project.org/schemas/orm/doctrine-mapping.xsd">
     <mapped-superclass name="Sonata\PageBundle\Entity\BaseSite">
-        <field name="enabled" type="boolean" column="enabled" default="false"/>
+        <field name="enabled" type="boolean" column="enabled"/>
         <field name="name" type="string" column="name" length="255"/>
         <field name="relativePath" type="string" column="relative_path" nullable="true" length="255"/>
         <field name="host" type="string" column="host" length="255"/>
         <field name="enabledFrom" type="datetime" column="enabled_from" nullable="true"/>
         <field name="enabledTo" type="datetime" column="enabled_to" nullable="true"/>
-        <field name="isDefault" type="boolean" column="is_default" default="false"/>
+        <field name="isDefault" type="boolean" column="is_default"/>
         <field name="createdAt" type="datetime" column="created_at"/>
         <field name="updatedAt" type="datetime" column="updated_at"/>
         <field name="locale" type="string" column="locale" nullable="true" length="7"/>
diff --git a/src/Resources/config/doctrine/BaseSnapshot.orm.xml b/src/Resources/config/doctrine/BaseSnapshot.orm.xml
index 17ea5b6ea..8b3a1b277 100644
--- a/src/Resources/config/doctrine/BaseSnapshot.orm.xml
+++ b/src/Resources/config/doctrine/BaseSnapshot.orm.xml
@@ -1,12 +1,12 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<doctrine-mapping xmlns="https://doctrine-project.org/schemas/orm/doctrine-mapping" xsi="https://www.w3.org/2001/XMLSchema-instance" schemaLocation="https://doctrine-project.org/schemas/orm/doctrine-mapping https://www.doctrine-project.org/schemas/orm/doctrine-mapping.xsd">
+<doctrine-mapping xmlns="http://doctrine-project.org/schemas/orm/doctrine-mapping" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="https://doctrine-project.org/schemas/orm/doctrine-mapping https://www.doctrine-project.org/schemas/orm/doctrine-mapping.xsd">
     <mapped-superclass name="Sonata\PageBundle\Entity\BaseSnapshot">
         <field name="routeName" type="string" column="route_name" length="255"/>
         <field name="pageAlias" type="string" column="page_alias" nullable="true" length="255"/>
         <field name="type" type="string" column="type" nullable="true" length="255"/>
-        <field name="position" type="integer" column="position" default="1"/>
-        <field name="enabled" type="boolean" column="enabled" default="false"/>
-        <field name="decorate" type="boolean" column="decorate" default="false"/>
+        <field name="position" type="integer" column="position"/>
+        <field name="enabled" type="boolean" column="enabled"/>
+        <field name="decorate" type="boolean" column="decorate"/>
         <field name="name" type="string" column="name" length="255"/>
         <field name="url" type="text" column="url" nullable="true"/>
         <field name="parentId" type="integer" column="parent_id" nullable="true"/>