diff -r b213fef2539e -r 5a91fb7067af src/java/de/uapcore/lightpit/ModuleManager.java
--- a/src/java/de/uapcore/lightpit/ModuleManager.java	Sun Apr 01 18:16:47 2018 +0200
+++ b/src/java/de/uapcore/lightpit/ModuleManager.java	Sun Apr 01 18:25:31 2018 +0200
@@ -32,7 +32,6 @@
 import de.uapcore.lightpit.entities.ModuleDao;
 import java.sql.Connection;
 import java.sql.SQLException;
-import java.util.Collection;
 import java.util.Collections;
 import java.util.HashMap;
 import java.util.List;
@@ -183,7 +182,7 @@
                 LOG.warn("No datasource present. Cannot sync module information with database.");
             }
         } else {
-            LOG.debug("Module information clean - no synchronization required.");
+            LOG.trace("Module information clean - no synchronization required.");
         }
     }