diff --git a/src/main/java/ch/psi/daq/rest/queries/TimeRangeQuery.java b/src/main/java/ch/psi/daq/rest/queries/TimeRangeQuery.java
index fef0e01..cbac26d 100644
--- a/src/main/java/ch/psi/daq/rest/queries/TimeRangeQuery.java
+++ b/src/main/java/ch/psi/daq/rest/queries/TimeRangeQuery.java
@@ -5,7 +5,6 @@ import java.text.SimpleDateFormat;
 import java.util.Date;
 import java.util.LinkedHashSet;
 import java.util.List;
-import java.util.UUID;
 
 import javax.validation.constraints.NotNull;
 
@@ -14,12 +13,10 @@ import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
 import ch.psi.daq.cassandra.reader.Ordering;
-import ch.psi.daq.domain.utils.UUIDGen;
 import ch.psi.daq.hazelcast.common.query.Aggregation;
 import ch.psi.daq.hazelcast.common.query.ValueAggregation;
 
 import com.fasterxml.jackson.annotation.JsonCreator;
-import com.fasterxml.jackson.annotation.JsonIgnore;
 import com.fasterxml.jackson.annotation.JsonProperty;
 
 public class TimeRangeQuery extends AbstractQuery {
@@ -33,17 +30,12 @@ public class TimeRangeQuery extends AbstractQuery {
    private long start;
    @NotNull
    private long startNanoOffset;
-   @JsonIgnore
-   private UUID startTime;
 
    @NotNull
    private long end;
    @NotNull
    private long endNanoOffset;
 
-   @JsonIgnore
-   private UUID endTime;
-
 
    /**
     * 
@@ -95,9 +87,6 @@ public class TimeRangeQuery extends AbstractQuery {
          }
       }
 
-      this.startTime = UUIDGen.getMinTime(this.start, this.startNanoOffset);
-      this.endTime = UUIDGen.getMaxTime(this.end, this.endNanoOffset);
-
    }
 
    public long getStart() {
@@ -132,14 +121,6 @@ public class TimeRangeQuery extends AbstractQuery {
       this.endNanoOffset = endNanoOffset;
    }
 
-   public UUID getStartTime() {
-      return startTime;
-   }
-
-   public UUID getEndTime() {
-      return endTime;
-   }
-
    /**
     * {@inheritDoc}
     */