diff --git a/otc_metadata/data/services.yaml b/otc_metadata/data/services.yaml
index c7cd926..ba5e83a 100644
--- a/otc_metadata/data/services.yaml
+++ b/otc_metadata/data/services.yaml
@@ -17,3 +17,6 @@
 # documents/services/service_categories is being merged with
 # the content here.
 ---
+documents: []
+service_categories: []
+services: []