diff --git a/Resources/config/doctrine/AccessToken.mongodb.xml b/Resources/config/doctrine/AccessToken.mongodb.xml
index 9b02f5aa..a21d9d12 100644
--- a/Resources/config/doctrine/AccessToken.mongodb.xml
+++ b/Resources/config/doctrine/AccessToken.mongodb.xml
@@ -5,8 +5,8 @@
                         http://doctrine-project.org/schemas/odm/doctrine-mongo-mapping.xsd">
 
     <mapped-superclass name="FOS\OAuthServerBundle\Document\AccessToken">
-        <field name="token" fieldName="token" type="string" unique="true" />
-        <field name="expiresAt" fieldName="expiresAt" type="int" nullable="true" />
-        <field name="scope" fieldName="scope" type="string" nullable="true" />
+        <field name="token" type="string" unique="true" />
+        <field name="expiresAt" type="int" nullable="true" />
+        <field name="scope" type="string" nullable="true" />
     </mapped-superclass>
 </doctrine-mongo-mapping>
diff --git a/Resources/config/doctrine/AuthCode.mongodb.xml b/Resources/config/doctrine/AuthCode.mongodb.xml
index b9104f83..993d8adb 100644
--- a/Resources/config/doctrine/AuthCode.mongodb.xml
+++ b/Resources/config/doctrine/AuthCode.mongodb.xml
@@ -5,9 +5,9 @@
                         http://doctrine-project.org/schemas/odm/doctrine-mongo-mapping.xsd">
 
     <mapped-superclass name="FOS\OAuthServerBundle\Document\AuthCode">
-        <field name="token" fieldName="token" type="string" unique="true" />
-        <field name="redirectUri" fieldName="redirectUri" type="string" />
-        <field name="expiresAt" fieldName="expiresAt" type="int" nullable="true" />
-        <field name="scope" fieldName="scope" type="string" nullable="true" />
+        <field name="token" type="string" unique="true" />
+        <field name="redirectUri" type="string" />
+        <field name="expiresAt" type="int" nullable="true" />
+        <field name="scope" type="string" nullable="true" />
     </mapped-superclass>
 </doctrine-mongo-mapping>
diff --git a/Resources/config/doctrine/Client.mongodb.xml b/Resources/config/doctrine/Client.mongodb.xml
index eb8fd726..8064f9bb 100644
--- a/Resources/config/doctrine/Client.mongodb.xml
+++ b/Resources/config/doctrine/Client.mongodb.xml
@@ -5,9 +5,9 @@
                         http://doctrine-project.org/schemas/odm/doctrine-mongo-mapping.xsd">
 
     <mapped-superclass name="FOS\OAuthServerBundle\Document\Client">
-        <field name="randomId" fieldName="randomId" type="string" />
-        <field name="redirectUris" fieldName="redirectUris" type="collection" />
-        <field name="secret" fieldName="secret" type="string" />
-        <field name="allowedGrantTypes" fieldName="allowedGrantTypes" type="collection" />
+        <field name="randomId" type="string" />
+        <field name="redirectUris" type="collection" />
+        <field name="secret" type="string" />
+        <field name="allowedGrantTypes" type="collection" />
     </mapped-superclass>
 </doctrine-mongo-mapping>
diff --git a/Resources/config/doctrine/RefreshToken.mongodb.xml b/Resources/config/doctrine/RefreshToken.mongodb.xml
index 31399c10..000aa346 100644
--- a/Resources/config/doctrine/RefreshToken.mongodb.xml
+++ b/Resources/config/doctrine/RefreshToken.mongodb.xml
@@ -5,8 +5,8 @@
                         http://doctrine-project.org/schemas/odm/doctrine-mongo-mapping.xsd">
 
     <mapped-superclass name="FOS\OAuthServerBundle\Document\RefreshToken">
-        <field name="token" fieldName="token" type="string" unique="true" />
-        <field name="expiresAt" fieldName="expiresAt" type="int" nullable="true" />
-        <field name="scope" fieldName="scope" type="string" nullable="true" />
+        <field name="token" type="string" unique="true" />
+        <field name="expiresAt" type="int" nullable="true" />
+        <field name="scope" type="string" nullable="true" />
     </mapped-superclass>
 </doctrine-mongo-mapping>