diff --git a/BudgetMasterDatabaseMigrator/src/main/java/de/deadlocker8/budgetmaster/databasemigrator/destination/DestinationRepository.java b/BudgetMasterDatabaseMigrator/src/main/java/de/deadlocker8/budgetmaster/databasemigrator/destination/DestinationRepository.java
index 36eff5ea5224cd5b01e26d6318e9e7702f10dd31..d2f6affdecc2598d21f6ead76ab4be73986f4c19 100644
--- a/BudgetMasterDatabaseMigrator/src/main/java/de/deadlocker8/budgetmaster/databasemigrator/destination/DestinationRepository.java
+++ b/BudgetMasterDatabaseMigrator/src/main/java/de/deadlocker8/budgetmaster/databasemigrator/destination/DestinationRepository.java
@@ -3,8 +3,6 @@ package de.deadlocker8.budgetmaster.databasemigrator.destination;
 import org.springframework.data.jpa.repository.JpaRepository;
 import org.springframework.data.repository.NoRepositoryBean;
 
-import java.util.List;
-
 @NoRepositoryBean
 public interface DestinationRepository<T, ID> extends JpaRepository<T, ID>
 {
diff --git a/BudgetMasterDatabaseMigrator/src/main/java/de/deadlocker8/budgetmaster/databasemigrator/destination/tag/DestinationTemplateTag.java b/BudgetMasterDatabaseMigrator/src/main/java/de/deadlocker8/budgetmaster/databasemigrator/destination/tag/DestinationTemplateTag.java
index 7d60d8e01693dcb705fe97888925fc44c31a123f..f5552fca2c1d5a86e4fdda563b514741005ec95e 100644
--- a/BudgetMasterDatabaseMigrator/src/main/java/de/deadlocker8/budgetmaster/databasemigrator/destination/tag/DestinationTemplateTag.java
+++ b/BudgetMasterDatabaseMigrator/src/main/java/de/deadlocker8/budgetmaster/databasemigrator/destination/tag/DestinationTemplateTag.java
@@ -91,6 +91,7 @@ public class DestinationTemplateTag implements ProvidesID
 	@Override
 	public void setID(Integer ID)
 	{
+		// not allowed
 	}
 }
 
diff --git a/BudgetMasterDatabaseMigrator/src/main/java/de/deadlocker8/budgetmaster/databasemigrator/destination/tag/DestinationTransactionTag.java b/BudgetMasterDatabaseMigrator/src/main/java/de/deadlocker8/budgetmaster/databasemigrator/destination/tag/DestinationTransactionTag.java
index e02d21b0c060e721ca75afcc3b7c0cb8ee9fe4c0..9c4215e4e2030530208e4ac92cfae33139411b67 100644
--- a/BudgetMasterDatabaseMigrator/src/main/java/de/deadlocker8/budgetmaster/databasemigrator/destination/tag/DestinationTransactionTag.java
+++ b/BudgetMasterDatabaseMigrator/src/main/java/de/deadlocker8/budgetmaster/databasemigrator/destination/tag/DestinationTransactionTag.java
@@ -91,5 +91,6 @@ public class DestinationTransactionTag implements ProvidesID
 	@Override
 	public void setID(Integer ID)
 	{
+		// not allowed
 	}
 }
diff --git a/BudgetMasterServer/src/main/java/de/deadlocker8/budgetmaster/migration/MigrationArguments.java b/BudgetMasterServer/src/main/java/de/deadlocker8/budgetmaster/migration/MigrationArguments.java
index a105cf0af106e093287dc6d9129191ed44c21981..3813be96bf0ea55964e830139e15cb0ac84af70f 100644
--- a/BudgetMasterServer/src/main/java/de/deadlocker8/budgetmaster/migration/MigrationArguments.java
+++ b/BudgetMasterServer/src/main/java/de/deadlocker8/budgetmaster/migration/MigrationArguments.java
@@ -3,7 +3,6 @@ package de.deadlocker8.budgetmaster.migration;
 import java.text.MessageFormat;
 import java.util.ArrayList;
 import java.util.List;
-import java.util.Locale;
 
 public class MigrationArguments
 {