diff --git a/src/main/java/de/deadlocker8/budgetmaster/database/DatabaseService.java b/src/main/java/de/deadlocker8/budgetmaster/database/DatabaseService.java
index c558660499a052a5ab83c8ad9cd368a0e40793fb..50f59105b2b2b9a215cf63fc672003d6dfe54791 100644
--- a/src/main/java/de/deadlocker8/budgetmaster/database/DatabaseService.java
+++ b/src/main/java/de/deadlocker8/budgetmaster/database/DatabaseService.java
@@ -41,7 +41,6 @@ import java.nio.file.Paths;
 import java.text.MessageFormat;
 import java.util.ArrayList;
 import java.util.List;
-import java.util.stream.Collectors;
 import java.util.stream.Stream;
 
 @Service
diff --git a/src/main/java/de/deadlocker8/budgetmaster/database/InternalDatabase.java b/src/main/java/de/deadlocker8/budgetmaster/database/InternalDatabase.java
index dd1f3368d5801760cd029f88bed8e0dc78a1c7aa..2e456b2cf1d0f50f082f5889729bf217682b45b0 100644
--- a/src/main/java/de/deadlocker8/budgetmaster/database/InternalDatabase.java
+++ b/src/main/java/de/deadlocker8/budgetmaster/database/InternalDatabase.java
@@ -14,7 +14,6 @@ import de.deadlocker8.budgetmaster.transactions.Transaction;
 import java.util.LinkedHashMap;
 import java.util.List;
 import java.util.Map;
-import java.util.stream.Collectors;
 
 public class InternalDatabase
 {
diff --git a/src/main/java/de/deadlocker8/budgetmaster/reports/settings/ReportSettings.java b/src/main/java/de/deadlocker8/budgetmaster/reports/settings/ReportSettings.java
index f6468263f4897e6faf6c549a4afaacc8527b0a3a..e202f527f54fbf195fa5e2d3df9fb5472686bf13 100644
--- a/src/main/java/de/deadlocker8/budgetmaster/reports/settings/ReportSettings.java
+++ b/src/main/java/de/deadlocker8/budgetmaster/reports/settings/ReportSettings.java
@@ -12,7 +12,6 @@ import javax.persistence.OneToMany;
 import java.util.ArrayList;
 import java.util.Comparator;
 import java.util.List;
-import java.util.stream.Collectors;
 
 @Entity
 public class ReportSettings
diff --git a/src/main/java/de/deadlocker8/budgetmaster/transactions/TransactionService.java b/src/main/java/de/deadlocker8/budgetmaster/transactions/TransactionService.java
index 58d6bb0e1210d967ff15bea857ee7514ad985a1c..635d611c4bae899ee7ec2ddf5feedc5e5d69424f 100644
--- a/src/main/java/de/deadlocker8/budgetmaster/transactions/TransactionService.java
+++ b/src/main/java/de/deadlocker8/budgetmaster/transactions/TransactionService.java
@@ -30,7 +30,6 @@ import java.text.MessageFormat;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Optional;
-import java.util.stream.Collectors;
 
 @Service
 public class TransactionService implements Resettable