diff --git a/src/main/java/de/ph87/data/demo/DemoService.java b/src/main/java/de/ph87/data/demo/DemoService.java
index 364db53..13be757 100644
--- a/src/main/java/de/ph87/data/demo/DemoService.java
+++ b/src/main/java/de/ph87/data/demo/DemoService.java
@@ -3,24 +3,16 @@ package de.ph87.data.demo;
 import de.ph87.data.series.Series;
 import de.ph87.data.series.SeriesMode;
 import de.ph87.data.series.SeriesRepository;
-import de.ph87.data.series.measure.MeasureEvent;
-import de.ph87.data.series.period.PeriodRepository;
-import de.ph87.data.series.period.consumption.ConsumptionRepository;
 import lombok.NonNull;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.boot.context.event.ApplicationStartedEvent;
-import org.springframework.context.ApplicationEventPublisher;
 import org.springframework.context.event.EventListener;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 
-import java.time.ZoneId;
-import java.time.ZonedDateTime;
-
 import static de.ph87.data.grid.GridReceiver.GRID_DELIVERY_SERIES_NAME;
 import static de.ph87.data.grid.GridReceiver.GRID_PURCHASE_SERIES_NAME;
-import static de.ph87.data.oil.OilController.OIL_SERIES_NAME;
 import static de.ph87.data.photovoltaic.PhotovoltaicMqttReceiver.PHOTOVOLTAIC_ENERGY_SERIES_NAME;
 
 @Slf4j
@@ -30,65 +22,17 @@ import static de.ph87.data.photovoltaic.PhotovoltaicMqttReceiver.PHOTOVOLTAIC_EN
 @SuppressWarnings("SameParameterValue")
 public class DemoService {
 
-  private final ApplicationEventPublisher applicationEventPublisher;
-
   private final SeriesRepository seriesRepository;
 
-  private final PeriodRepository periodRepository;
-
-  private final ConsumptionRepository consumptionRepository;
-
   @EventListener(ApplicationStartedEvent.class)
   public void startup() {
     series(PHOTOVOLTAIC_ENERGY_SERIES_NAME, SeriesMode.INCREASING);
     series(GRID_PURCHASE_SERIES_NAME, SeriesMode.INCREASING);
     series(GRID_DELIVERY_SERIES_NAME, SeriesMode.INCREASING);
-
-    final Series oil = series(OIL_SERIES_NAME, SeriesMode.DECREASING);
-    oil.setPeriod(null);
-    consumptionRepository.deleteAllByIdPeriodSeries(oil);
-    periodRepository.deleteAllBySeries(oil);
-    oil(2020, 8, 10, 189, 4500);
-    oil(2020, 8, 22, 4275);
-    oil(2021, 5, 27, 1050, 4500);
-    oil(2021, 11, 25, 3213);
-    oil(2022, 3, 3, 999, 2664);
-    oil(2022, 3, 7, 2550);
-    oil(2022, 3, 11, 2439);
-    oil(2022, 4, 12, 1968);
-    oil(2022, 5, 6, 1767, 4464);
-    oil(2022, 7, 20, 4275);
-    oil(2022, 9, 5, 4200);
-    oil(2022, 9, 27, 4071);
-    oil(2022, 11, 22, 3675);
-    oil(2022, 12, 4, 3513);
-    oil(2022, 12, 15, 3342);
-    oil(2022, 12, 19, 3213);
-    oil(2023, 1, 8, 2964);
-    oil(2023, 2, 14, 2334);
-    oil(2023, 4, 3, 1734);
-    oil(2023, 4, 12, 1500, 4500);
-    oil(2023, 5, 8, 4389);
-    oil(2023, 9, 24, 4071);
-    oil(2024, 9, 12, 1275, 4575);
   }
 
-  private Series series(@NonNull final String name, @NonNull final SeriesMode mode) {
-    return seriesRepository.findByNameOrAliasesContains(name, name).orElseGet(() -> seriesRepository.save(new Series(name, mode)));
-  }
-
-  private void oil(final int year, final int month, final int day, final int beforeRefill, final int afterRefill) {
-    oil2(year, month, day, 0, beforeRefill);
-    oil2(year, month, day, 1, afterRefill);
-  }
-
-  private void oil(final int year, final int month, final int day, final int value) {
-    oil2(year, month, day, 0, value);
-  }
-
-  private void oil2(final int year, final int month, final int day, final int second, final int value) {
-    final ZonedDateTime date = ZonedDateTime.of(year, month, day, 12, 0, second, 0, ZoneId.systemDefault());
-    applicationEventPublisher.publishEvent(new MeasureEvent(OIL_SERIES_NAME, "", date, value));
+  private void series(@NonNull final String name, @NonNull final SeriesMode mode) {
+    seriesRepository.findByNameOrAliasesContains(name, name).orElseGet(() -> seriesRepository.save(new Series(name, mode)));
   }
 
 }