diff --git a/front/src/modules/trainschedule/components/Timetable/types.ts b/front/src/modules/trainschedule/components/Timetable/types.ts
index 85153ee6aff..2733bddfb80 100644
--- a/front/src/modules/trainschedule/components/Timetable/types.ts
+++ b/front/src/modules/trainschedule/components/Timetable/types.ts
@@ -14,7 +14,7 @@ type SimulationSummaryResultSuccess = Extract<SimulationSummaryResult, { status:
 
 export type TrainScheduleWithDetails = Omit<
   TrainScheduleResult,
-  'train_name' | 'rolling_stock_name' | 'timetable_id'
+  'train_name' | 'rolling_stock_name' | 'timetable_id' | 'start_time'
 > & {
   id: number;
   trainName: string;
diff --git a/front/src/reducers/osrdconf/operationalStudiesConf/operationalStudiesConfReducer.spec.ts b/front/src/reducers/osrdconf/operationalStudiesConf/operationalStudiesConfReducer.spec.ts
index 815134f3fea..127706ac7c1 100644
--- a/front/src/reducers/osrdconf/operationalStudiesConf/operationalStudiesConfReducer.spec.ts
+++ b/front/src/reducers/osrdconf/operationalStudiesConf/operationalStudiesConfReducer.spec.ts
@@ -34,7 +34,6 @@ describe('simulationConfReducer', () => {
       id: 1,
       trainName: 'train1',
       constraint_distribution: 'MARECO',
-      start_time: '2021-01-01T00:00:00Z',
       rollingStock: { id: 1, name: 'rollingStock1' } as LightRollingStockWithLiveries,
       path: [
         { id: 'id1', uic: 123 },