--- a/flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/StaticSedimentLoadCacheKey.java	Fri Nov 02 15:55:51 2012 +0100
+++ b/flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/StaticSedimentLoadCacheKey.java	Fri Nov 02 17:26:16 2012 +0100
@@ -1,7 +1,5 @@
 package de.intevation.flys.artifacts.model;
 
-import java.util.Date;
-
 import org.apache.commons.lang.builder.HashCodeBuilder;
 
 
@@ -29,6 +27,7 @@
         this.eYear = eYear;
     }
 
+    @Override
     public int hashCode() {
         HashCodeBuilder builder = new HashCodeBuilder();
         builder.append(river);
@@ -39,6 +38,7 @@
         return builder.toHashCode();
     }
 
+    @Override
     public boolean equals(Object other) {
         if (!(other instanceof StaticBedHeightCacheKey)) {
             return false;