diff --git a/lib/jsonld_serializers.js b/lib/jsonld_serializers.js
index fed9bb9..64ad43f 100644
--- a/lib/jsonld_serializers.js
+++ b/lib/jsonld_serializers.js
@@ -272,6 +272,7 @@ class ResourceSerializer extends JsonLdItemSerializer {
     if (this.body.formatId) {
       stmts.format = ResourceSerializer.getFormattedFormat(this.body.formatId)
       delete stmts.formatId
+      delete stmts.recordTypeId
     }
 
     // DFE depends on this being set to an empty array when null: