diff --git a/vocabs/hcrt.json b/vocabs/hcrt.json
index 917acba..ae6fbbe 100644
--- a/vocabs/hcrt.json
+++ b/vocabs/hcrt.json
@@ -1,27 +1,13 @@
 [
   "https://w3id.org/kim/hcrt/application",
-  "https://w3id.org/kim/hcrt/assessment",
-  "https://w3id.org/kim/hcrt/audio",
-  "https://w3id.org/kim/hcrt/case_study",
   "https://w3id.org/kim/hcrt/course",
   "https://w3id.org/kim/hcrt/data",
-  "https://w3id.org/kim/hcrt/diagram",
   "https://w3id.org/kim/hcrt/drill_and_practice",
-  "https://w3id.org/kim/hcrt/educational_game",
   "https://w3id.org/kim/hcrt/experiment",
-  "https://w3id.org/kim/hcrt/image",
   "https://w3id.org/kim/hcrt/index",
-  "https://w3id.org/kim/hcrt/lesson_plan",
-  "https://w3id.org/kim/hcrt/map",
-  "https://w3id.org/kim/hcrt/other",
-  "https://w3id.org/kim/hcrt/portal",
-  "https://w3id.org/kim/hcrt/questionnaire",
   "https://w3id.org/kim/hcrt/script",
-  "https://w3id.org/kim/hcrt/simulation",
   "https://w3id.org/kim/hcrt/slide",
   "https://w3id.org/kim/hcrt/text",
   "https://w3id.org/kim/hcrt/textbook",
-  "https://w3id.org/kim/hcrt/video",
-  "https://w3id.org/kim/hcrt/web_page",
   "https://w3id.org/kim/hcrt/worksheet"
 ]
\ No newline at end of file