diff --git a/src/main/java/li/strolch/bookshop/service/CreateBookService.java b/src/main/java/li/strolch/bookshop/service/CreateBookService.java
index 6819639..3a79405 100644
--- a/src/main/java/li/strolch/bookshop/service/CreateBookService.java
+++ b/src/main/java/li/strolch/bookshop/service/CreateBookService.java
@@ -1,6 +1,6 @@
 package li.strolch.bookshop.service;
 
-import static li.strolch.report.ReportConstants.BAG_RELATIONS;
+import static li.strolch.model.StrolchModelConstants.BAG_RELATIONS;
 
 import com.google.gson.JsonObject;
 import li.strolch.bookshop.BookShopConstants;
@@ -14,8 +14,6 @@ import li.strolch.service.api.AbstractService;
 
 public class CreateBookService extends AbstractService<JsonServiceArgument, JsonServiceResult> {
 
-	private static final long serialVersionUID = 1L;
-
 	@Override
 	protected JsonServiceResult getResultInstance() {
 		return new JsonServiceResult();
diff --git a/src/main/java/li/strolch/bookshop/service/RemoveBookService.java b/src/main/java/li/strolch/bookshop/service/RemoveBookService.java
index a3c06b8..96c25fa 100644
--- a/src/main/java/li/strolch/bookshop/service/RemoveBookService.java
+++ b/src/main/java/li/strolch/bookshop/service/RemoveBookService.java
@@ -9,8 +9,6 @@ import li.strolch.service.api.ServiceResult;
 
 public class RemoveBookService extends AbstractService<StringServiceArgument, ServiceResult> {
 
-	private static final long serialVersionUID = 1L;
-
 	@Override
 	protected ServiceResult getResultInstance() {
 		return new ServiceResult();
diff --git a/src/main/java/li/strolch/bookshop/service/UpdateBookService.java b/src/main/java/li/strolch/bookshop/service/UpdateBookService.java
index e5243b3..412e558 100644
--- a/src/main/java/li/strolch/bookshop/service/UpdateBookService.java
+++ b/src/main/java/li/strolch/bookshop/service/UpdateBookService.java
@@ -1,6 +1,6 @@
 package li.strolch.bookshop.service;
 
-import static li.strolch.report.ReportConstants.BAG_RELATIONS;
+import static li.strolch.model.StrolchModelConstants.BAG_RELATIONS;
 
 import com.google.gson.JsonObject;
 import li.strolch.bookshop.BookShopConstants;
@@ -16,8 +16,6 @@ import li.strolch.utils.dbc.DBC;
 
 public class UpdateBookService extends AbstractService<JsonServiceArgument, JsonServiceResult> {
 
-	private static final long serialVersionUID = 1L;
-
 	@Override
 	protected JsonServiceResult getResultInstance() {
 		return new JsonServiceResult();