diff --git a/src/main/java/org/olat/modules/cp/CPSelectPrintPagesController.java b/src/main/java/org/olat/modules/cp/CPSelectPrintPagesController.java
index c6554a57d5f282b05a1341595e22df5fa0a025a1..74f1dc964ea6ad0a9ab6c6ad4d8074ecded7f5ed 100644
--- a/src/main/java/org/olat/modules/cp/CPSelectPrintPagesController.java
+++ b/src/main/java/org/olat/modules/cp/CPSelectPrintPagesController.java
@@ -19,26 +19,26 @@
  */
 package org.olat.modules.cp;
 
-import java.util.*;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Set;
 
 import org.olat.core.gui.UserRequest;
 import org.olat.core.gui.components.form.flexible.FormItem;
 import org.olat.core.gui.components.form.flexible.FormItemContainer;
 import org.olat.core.gui.components.form.flexible.elements.FormLink;
-import org.olat.core.gui.components.form.flexible.elements.MultipleSelectionElement;
 import org.olat.core.gui.components.form.flexible.impl.FormBasicController;
 import org.olat.core.gui.components.form.flexible.impl.FormEvent;
 import org.olat.core.gui.components.form.flexible.impl.FormLayoutContainer;
 import org.olat.core.gui.components.form.flexible.impl.elements.FormSubmit;
 import org.olat.core.gui.components.link.Link;
 import org.olat.core.gui.components.tree.MenuTreeItem;
-import org.olat.core.gui.components.tree.TreeNode;
 import org.olat.core.gui.control.Controller;
 import org.olat.core.gui.control.Event;
 import org.olat.core.gui.control.WindowControl;
 import org.olat.core.util.nodes.INode;
-import org.olat.core.util.tree.Visitor;
 import org.olat.core.util.tree.TreeVisitor;
+import org.olat.core.util.tree.Visitor;
 
 /**
  *