diff --git a/docs/3.0.0-beta.x/plugin-development/backend-development.md b/docs/3.0.0-beta.x/plugin-development/backend-development.md
index 4e1dbafb81..8a27a4662c 100644
--- a/docs/3.0.0-beta.x/plugin-development/backend-development.md
+++ b/docs/3.0.0-beta.x/plugin-development/backend-development.md
@@ -21,7 +21,10 @@ To disable the prefix, add the `prefix` attribute to each concerned route, like
   "method": "GET",
   "path": "/my-plugin-route",
   "handler": "MyPlugin.action",
-  "prefix": false
+  "config": {
+    "policies": [],
+    "prefix": false
+  }
 }
 ```
 
diff --git a/packages/strapi-hook-bookshelf/lib/relations.js b/packages/strapi-hook-bookshelf/lib/relations.js
index 07613d1cc5..6f553d2a62 100644
--- a/packages/strapi-hook-bookshelf/lib/relations.js
+++ b/packages/strapi-hook-bookshelf/lib/relations.js
@@ -329,22 +329,17 @@ module.exports = {
             {}
           );
 
+    await Promise.all(relationUpdates);
+
     delete values[this.primaryKey];
     if (!_.isEmpty(values)) {
-      relationUpdates.push(
-        this.forge({
-          [this.primaryKey]: getValuePrimaryKey(params, this.primaryKey),
-        }).save(values, {
-          patch: true,
-        })
-      );
-    } else {
-      relationUpdates.push(Promise.resolve(_.assign(response, params.values)));
+      await this.forge({
+        [this.primaryKey]: getValuePrimaryKey(params, this.primaryKey),
+      }).save(values, {
+        patch: true,
+      });
     }
 
-    // Update virtuals fields.
-    await Promise.all(relationUpdates);
-
     return await this.forge({
       [this.primaryKey]: getValuePrimaryKey(params, this.primaryKey),
     }).fetch({