diff --git a/classes/Group_inbox.php b/classes/Group_inbox.php
index 523506ec5b..b80ba42729 100755
--- a/classes/Group_inbox.php
+++ b/classes/Group_inbox.php
@@ -2,7 +2,6 @@
 /**
  * Table Definition for group_inbox
  */
-require_once 'classes/Memcached_DataObject.php';
 
 class Group_inbox extends Memcached_DataObject
 {
diff --git a/classes/Group_member.php b/classes/Group_member.php
index a2ea00e815..3c23a991f0 100755
--- a/classes/Group_member.php
+++ b/classes/Group_member.php
@@ -2,7 +2,6 @@
 /**
  * Table Definition for group_member
  */
-require_once 'classes/Memcached_DataObject.php';
 
 class Group_member extends Memcached_DataObject
 {
diff --git a/classes/Related_group.php b/classes/Related_group.php
index 40e4904c5c..c00ad9c44e 100755
--- a/classes/Related_group.php
+++ b/classes/Related_group.php
@@ -2,7 +2,6 @@
 /**
  * Table Definition for related_group
  */
-require_once 'classes/Memcached_DataObject';
 
 class Related_group extends Memcached_DataObject
 {
diff --git a/classes/User_group.php b/classes/User_group.php
index 06c0316101..484b2fe0ab 100755
--- a/classes/User_group.php
+++ b/classes/User_group.php
@@ -2,7 +2,6 @@
 /**
  * Table Definition for user_group
  */
-require_once 'classes/Memcached_DataObject.php';
 
 class User_group extends Memcached_DataObject
 {