diff --git a/src/ontology/modules/devices.owl b/src/ontology/modules/devices.owl
index b5b64c16..d3fdb7fb 100644
--- a/src/ontology/modules/devices.owl
+++ b/src/ontology/modules/devices.owl
@@ -1043,7 +1043,6 @@
         <obo:IAO_0000117>PERSON:Daniel Schober</obo:IAO_0000117>
         <obo:IAO_0000119>GROUP:&lt;http://msi-ontology.sourceforge.net&gt;</obo:IAO_0000119>
         <obo:IAO_0000119>http://msi-ontology.sourceforge.net/ontology/CHROM.owl#msi_01072</obo:IAO_0000119>
-        <obo:IAO_0000232>check on definition !</obo:IAO_0000232>
         <rdfs:label>solvent mixer</rdfs:label>
     </owl:Class>
     
@@ -1964,7 +1963,6 @@
         <obo:IAO_0000117>PERSON:Daniel Schober</obo:IAO_0000117>
         <obo:IAO_0000119>GROUP:&lt;http://msi-ontology.sourceforge.net&gt;</obo:IAO_0000119>
         <obo:IAO_0000119>http://msi-ontology.sourceforge.net/ontology/CHROM.owl#msi_01055</obo:IAO_0000119>
-        <obo:IAO_0000232>chromatography device, check on definition !</obo:IAO_0000232>
         <rdfs:label>column cartridge</rdfs:label>
     </owl:Class>
     
@@ -2192,7 +2190,6 @@
         <obo:IAO_0000117>PERSON:Daniel Schober</obo:IAO_0000117>
         <obo:IAO_0000119>GROUP:&lt;http://msi-ontology.sourceforge.net&gt;</obo:IAO_0000119>
         <obo:IAO_0000119>http://msi-ontology.sourceforge.net/ontology/CHROM.owl#msi_01054</obo:IAO_0000119>
-        <obo:IAO_0000232>check on definition !</obo:IAO_0000232>
         <rdfs:label>column cartridger</rdfs:label>
     </owl:Class>
     
@@ -2223,7 +2220,6 @@
         <obo:IAO_0000117>PERSON:Daniel Schober</obo:IAO_0000117>
         <obo:IAO_0000119>GROUP:&lt;http://msi-ontology.sourceforge.net&gt;</obo:IAO_0000119>
         <obo:IAO_0000119>http://msi-ontology.sourceforge.net/ontology/CHROM.owl#msi_01065</obo:IAO_0000119>
-        <obo:IAO_0000232>chromatography device, check on definition !</obo:IAO_0000232>
         <rdfs:label>needle assembly</rdfs:label>
     </owl:Class>