diff --git a/lib/taskana-core/src/main/java/pro/taskana/impl/TaskServiceImpl.java b/lib/taskana-core/src/main/java/pro/taskana/impl/TaskServiceImpl.java
index b5d7f2901..302c2538d 100644
--- a/lib/taskana-core/src/main/java/pro/taskana/impl/TaskServiceImpl.java
+++ b/lib/taskana-core/src/main/java/pro/taskana/impl/TaskServiceImpl.java
@@ -105,8 +105,8 @@ public class TaskServiceImpl implements TaskService {
         LOGGER.debug("entry to createTask(task = {})", task);
         try {
             taskanaEngineImpl.openConnection();
-            taskanaEngine.getWorkbasketService().checkAuthorization(task.getWorkbasketId(), WorkbasketAuthorization.APPEND);
             Workbasket wb = taskanaEngine.getWorkbasketService().getWorkbasket(task.getWorkbasketId());
+            taskanaEngine.getWorkbasketService().checkAuthorization(task.getWorkbasketId(), WorkbasketAuthorization.APPEND);
 
             Classification classification = task.getClassification();
             if (classification == null) {
@@ -338,79 +338,5 @@ public class TaskServiceImpl implements TaskService {
             }
             task.setPrimaryObjRef(objectReference);
         }
-
-        //guarantees redundancy of customers and customAttributes
-        this.checkCustomAttributes(task);
-    }
-
-    private void checkCustomAttributes(Task task) {
-        List<String> customList = new ArrayList<>();
-        if (task.getCustom1() != null) {
-            customList.add(task.getCustom1());
-        }
-        if (task.getCustom2() != null) {
-            customList.add(task.getCustom2());
-        }
-        if (task.getCustom3() != null) {
-            customList.add(task.getCustom3());
-        }
-        if (task.getCustom4() != null) {
-            customList.add(task.getCustom4());
-        }
-        if (task.getCustom5() != null) {
-            customList.add(task.getCustom5());
-        }
-        if (task.getCustom6() != null) {
-            customList.add(task.getCustom6());
-        }
-        if (task.getCustom7() != null) {
-            customList.add(task.getCustom7());
-        }
-        if (task.getCustom8() != null) {
-            customList.add(task.getCustom8());
-        }
-        if (task.getCustom9() != null) {
-            customList.add(task.getCustom9());
-        }
-        if (task.getCustom10() != null) {
-            customList.add(task.getCustom10());
-        }
-
-        if (task.getCustomAttributes() != null) {
-            for (String custom : task.getCustomAttributes().keySet()) {
-                if (!customList.isEmpty() && customList.contains(custom)) {
-                    if (task.getCustom1() == null) {
-                        task.setCustom1(custom);
-                    } else if (task.getCustom2() == null) {
-                        task.setCustom2(custom);
-                    } else if (task.getCustom3() == null) {
-                        task.setCustom3(custom);
-                    } else if (task.getCustom4() == null) {
-                        task.setCustom4(custom);
-                    } else if (task.getCustom5() == null) {
-                        task.setCustom5(custom);
-                    } else if (task.getCustom6() == null) {
-                        task.setCustom6(custom);
-                    } else if (task.getCustom7() == null) {
-                        task.setCustom7(custom);
-                    } else if (task.getCustom8() == null) {
-                        task.setCustom8(custom);
-                    } else if (task.getCustom9() == null) {
-                        task.setCustom9(custom);
-                    } else if (task.getCustom10() == null) {
-                        task.setCustom10(custom);
-                    } else {
-                        break;
-                    }
-                }
-            }
-        }
-        if (!customList.isEmpty()) {
-            for (String custom : customList) {
-                if (!task.getCustomAttributes().containsKey(custom)) {
-                    task.getCustomAttributes().put(custom, null);
-                }
-            }
-        }
     }
 }
diff --git a/lib/taskana-core/src/test/java/pro/taskana/impl/TaskServiceImplTest.java b/lib/taskana-core/src/test/java/pro/taskana/impl/TaskServiceImplTest.java
index c87ae0447..36a54e1a9 100644
--- a/lib/taskana-core/src/test/java/pro/taskana/impl/TaskServiceImplTest.java
+++ b/lib/taskana-core/src/test/java/pro/taskana/impl/TaskServiceImplTest.java
@@ -261,7 +261,8 @@ public class TaskServiceImplTest {
             cut.createTask(task);
         } catch (Exception e) {
             verify(taskanaEngineImpl, times(1)).openConnection();
-            verify(taskanaEngineMock, times(1)).getWorkbasketService();
+            verify(taskanaEngineMock, times(2)).getWorkbasketService();
+            verify(workbasketServiceMock, times(1)).getWorkbasket(any());
             verify(workbasketServiceMock, times(1)).checkAuthorization(any(), any());
             verify(taskanaEngineImpl, times(1)).returnConnection();
             verifyNoMoreInteractions(taskanaEngineConfigurationMock, taskanaEngineMock, taskanaEngineImpl,
@@ -274,7 +275,7 @@ public class TaskServiceImplTest {
     @Test(expected = WorkbasketNotFoundException.class)
     public void testCreateThrowsWorkbasketNotFoundException() throws NotAuthorizedException, WorkbasketNotFoundException, ClassificationNotFoundException {
         try {
-            Mockito.doThrow(WorkbasketNotFoundException.class).when(workbasketServiceMock).checkAuthorization(any(), any());
+            Mockito.doThrow(WorkbasketNotFoundException.class).when(workbasketServiceMock).getWorkbasket(any());
             Task task = new Task();
             task.setWorkbasketId("1");
 
@@ -282,7 +283,7 @@ public class TaskServiceImplTest {
         } catch (Exception e) {
             verify(taskanaEngineImpl, times(1)).openConnection();
             verify(taskanaEngineMock, times(1)).getWorkbasketService();
-            verify(workbasketServiceMock, times(1)).checkAuthorization(any(), any());
+            verify(workbasketServiceMock, times(1)).getWorkbasket(any());
             verify(taskanaEngineImpl, times(1)).returnConnection();
             verifyNoMoreInteractions(taskanaEngineConfigurationMock, taskanaEngineMock, taskanaEngineImpl,
                     taskMapperMock, objectReferenceMapperMock, workbasketServiceMock,
diff --git a/lib/taskana-core/src/test/java/pro/taskana/impl/integration/TaskServiceImplIntExplicitTest.java b/lib/taskana-core/src/test/java/pro/taskana/impl/integration/TaskServiceImplIntExplicitTest.java
index c263638b8..e10d2571a 100644
--- a/lib/taskana-core/src/test/java/pro/taskana/impl/integration/TaskServiceImplIntExplicitTest.java
+++ b/lib/taskana-core/src/test/java/pro/taskana/impl/integration/TaskServiceImplIntExplicitTest.java
@@ -23,9 +23,7 @@ import java.sql.Connection;
 import java.sql.SQLException;
 import java.sql.Timestamp;
 import java.time.LocalDateTime;
-import java.util.HashMap;
 import java.util.List;
-import java.util.Map;
 
 /**
  * Integration Test for TaskServiceImpl transactions with connection management mode EXPLICIT.
@@ -132,7 +130,7 @@ public class TaskServiceImplIntExplicitTest {
     }
 
     @Test
-    public void testCreateTaskWithCustomsAndPlanned() throws SQLException, NotAuthorizedException, WorkbasketNotFoundException, ClassificationNotFoundException {
+    public void testCreateTaskWithPlannedAndName() throws SQLException, NotAuthorizedException, WorkbasketNotFoundException, ClassificationNotFoundException {
         Connection connection = dataSource.getConnection();
         taskanaEngineImpl.setConnection(connection);
 
@@ -161,27 +159,19 @@ public class TaskServiceImplIntExplicitTest {
         Assert.assertNotEquals(test.getPlanned(), test.getCreated());
         Assert.assertNotNull(test.getDue());
 
-        Map<String, Object> customs = new HashMap<String, Object>();
-        customs.put("Daimler", "Tons of money. And cars. And gold.");
-        customs.put("Audi", 2);
-
-
         Task test2 = new Task();
         test2.setWorkbasketId(test.getWorkbasketId());
         test2.setClassification(classification);
         test2.setPrimaryObjRef(objectReference);
-        test2.setName("Name2");
         test2.setDescription("desc");
-        test2.setCustomAttributes(customs);
-        test2.setCustom1("Daimler");
-        test2.setCustom5("BMW");
         taskServiceImpl.createTask(test2);
 
         Assert.assertEquals(test2.getPlanned(), test2.getCreated());
+        Assert.assertTrue(test2.getName().equals(classification.getName()));
 
-        Assert.assertEquals(2 + 1, test2.getCustomAttributes().size());
         Assert.assertEquals(test.getClassification().getId(), test2.getClassification().getId());
-        Assert.assertTrue(test.getDue().after(test2.getPlanned()));
+        Assert.assertTrue(test.getDue().after(test2.getDue()));
+        Assert.assertFalse(test.getName().equals(test2.getName()));
     }
 
     @Test(expected = WorkbasketNotFoundException.class)