diff --git a/src/ontology/cl-edit.owl b/src/ontology/cl-edit.owl
index 3a891600c..c803307b2 100644
--- a/src/ontology/cl-edit.owl
+++ b/src/ontology/cl-edit.owl
@@ -26534,35 +26534,31 @@ EquivalentClasses(obo:CL_1000497 ObjectIntersectionOf(obo:CL_0000000 ObjectSomeV
 
 # Class: obo:CL_1000500 (kidney interstitial cell)
 
+AnnotationAssertion(obo:IAO_0000115 obo:CL_1000500 "A cell that is part of kidney interstitium.")
 AnnotationAssertion(oboInOwl:hasDbXref obo:CL_1000500 "KUPO:0001013")
 AnnotationAssertion(rdfs:label obo:CL_1000500 "kidney interstitial cell")
 EquivalentClasses(obo:CL_1000500 ObjectIntersectionOf(obo:CL_1000497 ObjectSomeValuesFrom(obo:BFO_0000050 obo:UBERON_0005215)))
-SubClassOf(Annotation(oboInOwl:is_inferred "true") obo:CL_1000500 obo:CL_1000497)
-SubClassOf(obo:CL_1000500 ObjectSomeValuesFrom(obo:BFO_0000050 obo:UBERON_0005215))
 
 # Class: obo:CL_1000504 (kidney medulla cell)
 
+AnnotationAssertion(obo:IAO_0000115 obo:CL_1000504 "A cell that is part of a renal medulla.")
 AnnotationAssertion(oboInOwl:hasDbXref obo:CL_1000504 "KUPO:0001017")
 AnnotationAssertion(rdfs:label obo:CL_1000504 "kidney medulla cell")
 EquivalentClasses(obo:CL_1000504 ObjectIntersectionOf(obo:CL_1000497 ObjectSomeValuesFrom(obo:BFO_0000050 obo:UBERON_0000362)))
-SubClassOf(Annotation(oboInOwl:is_inferred "true") obo:CL_1000504 obo:CL_1000497)
-SubClassOf(obo:CL_1000504 ObjectSomeValuesFrom(obo:BFO_0000050 obo:UBERON_0000362))
 
 # Class: obo:CL_1000505 (kidney pelvis cell)
 
+AnnotationAssertion(obo:IAO_0000115 obo:CL_1000505 "A cell that is part of a renal pelvis.")
 AnnotationAssertion(oboInOwl:hasDbXref obo:CL_1000505 "KUPO:0001018")
 AnnotationAssertion(rdfs:label obo:CL_1000505 "kidney pelvis cell")
 EquivalentClasses(obo:CL_1000505 ObjectIntersectionOf(obo:CL_1000497 ObjectSomeValuesFrom(obo:BFO_0000050 obo:UBERON_0001224)))
-SubClassOf(Annotation(oboInOwl:is_inferred "true") obo:CL_1000505 obo:CL_1000497)
-SubClassOf(obo:CL_1000505 ObjectSomeValuesFrom(obo:BFO_0000050 obo:UBERON_0001224))
 
 # Class: obo:CL_1000507 (kidney tubule cell)
 
+AnnotationAssertion(obo:IAO_0000115 obo:CL_1000507 "A cell that is part of a nephron tubule.")
 AnnotationAssertion(oboInOwl:hasDbXref obo:CL_1000507 "KUPO:0001020")
 AnnotationAssertion(rdfs:label obo:CL_1000507 "kidney tubule cell")
 EquivalentClasses(obo:CL_1000507 ObjectIntersectionOf(obo:CL_1000497 ObjectSomeValuesFrom(obo:BFO_0000050 obo:UBERON_0001231)))
-SubClassOf(Annotation(oboInOwl:is_inferred "true") obo:CL_1000507 obo:CL_1000497)
-SubClassOf(obo:CL_1000507 ObjectSomeValuesFrom(obo:BFO_0000050 obo:UBERON_0001231))
 
 # Class: obo:CL_1000510 (kidney glomerular epithelial cell)