diff --git a/model.install b/model.install
index d0e0806..e15255f 100644
--- a/model.install
+++ b/model.install
@@ -104,7 +104,20 @@ function model_schema() {
         'serialize' => TRUE,
         'description' => 'A serialized array of additional data related to this model type.',
       ),
-    ) + entity_exportable_schema_fields(),
+            'status' => array(
+        'description' => 'The exportable status of the entity.',
+        'type' => 'int',
+        'not null' => TRUE,
+        'default' => 0x01,
+        'size' => 'tiny',
+      ),
+      'module' => array(
+        'description' => 'The name of the providing module if the entity has been defined in code.',
+        'type' => 'varchar',
+        'length' => 255,
+        'not null' => FALSE,
+      ),
+    ),
     'primary key' => array('id'),
     'unique keys' => array(
       'type' => array('type'),