diff --git a/biolink-model.yaml b/biolink-model.yaml
index a10690ef1..df299a5fd 100644
--- a/biolink-model.yaml
+++ b/biolink-model.yaml
@@ -7218,6 +7218,8 @@ classes:
       - STY:T167  # Substance, children include food, body substance, chemical.
     narrow_mappings:
       - WIKIDATA:Q43460564
+      - STY:T123  # (bacs, full name: Biologically Active Substance)
+      - STY:T131  # (hops, full name: Hazardous or Poisonous Substance)
     in_subset:
       - translator_minimal
     id_prefixes:
@@ -7259,8 +7261,6 @@ classes:
       - STY:T196  # Element, Ion, or Isotope
       - CHEBI:59999
       - bioschemas:ChemicalSubstance
-      - STY:T123  # (bacs, full name: Biologically Active Substance)
-      - STY:T131  # (hops, full name: Hazardous or Poisonous Substance)
       - STY:T125  # (horm, full name: Hormone)
       - STY:T197  # (inch, full name: Inorganic Chemical)
       - STY:T109  # (orch, full name: Organic Chemical)