diff --git a/builder.js b/builder.js
index aedc077..984d40a 100644
--- a/builder.js
+++ b/builder.js
@@ -80,13 +80,6 @@ class Collection extends DBType {
       name: this.description.name + '/value',
       fields: this.schema.fields.filter(f => !primaryKeySet.has(f.name)).map(f => f.toJSON())
     })
-    this.builder.schema.register({
-      ...this.schema.toJSON(),
-      flagsPosition: -1,
-      namespace: this.namespace,
-      name: this.description.name + '/key',
-      fields: this.schema.fields.filter(f => primaryKeySet.has(f.name)).map(f => f.toJSON())
-    })
   }
 
   toJSON () {