diff --git a/src/views/import/ImportExperiment.vue b/src/views/import/ImportExperiment.vue
index 86066a41..fe6973ac 100644
--- a/src/views/import/ImportExperiment.vue
+++ b/src/views/import/ImportExperiment.vue
@@ -315,7 +315,7 @@ export default class ImportExperiment extends ProgramsBase {
   }
 
   previewDataLoaded(dynamicColumns: String[]) {
-    this.phenotypeColumns = dynamicColumns;
+    this.phenotypeColumns = dynamicColumns.filter(name => !name.includes('ObsUnitID'));
     this.createObservationIndexMap();
   }
 
@@ -357,7 +357,6 @@ export default class ImportExperiment extends ProgramsBase {
 
   cellClassIfExisting(row: any, column: any) {
     const index = column.meta.index
-
     if(row.data.observations[this.observationIndexMap.get(index)!].state === 'MUTATED') {
       return {'class': 'db-filled'};
     }