diff --git a/lib/taskana-core/src/test/java/pro/taskana/impl/CategoryReportBuilderImplTest.java b/lib/taskana-core/src/test/java/pro/taskana/impl/CategoryReportBuilderImplTest.java
index 02fa42f03..e3f88c741 100644
--- a/lib/taskana-core/src/test/java/pro/taskana/impl/CategoryReportBuilderImplTest.java
+++ b/lib/taskana-core/src/test/java/pro/taskana/impl/CategoryReportBuilderImplTest.java
@@ -21,7 +21,6 @@ import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.mockito.InjectMocks;
 import org.mockito.Mock;
-import org.mockito.MockitoAnnotations;
 import org.mockito.junit.MockitoJUnitRunner;
 
 import pro.taskana.CustomField;
@@ -58,7 +57,6 @@ public class CategoryReportBuilderImplTest {
 
     @Before
     public void setup() {
-        MockitoAnnotations.initMocks(this);
         when(taskanaEngineMock.getConfiguration()).thenReturn(taskanaEngineConfiguration);
         when(taskanaEngineInternalMock.getEngine()).thenReturn(taskanaEngineMock);
         when(taskanaEngineConfiguration.isGermanPublicHolidaysEnabled()).thenReturn(true);
diff --git a/lib/taskana-core/src/test/java/pro/taskana/impl/ClassificationReportBuilderImplTest.java b/lib/taskana-core/src/test/java/pro/taskana/impl/ClassificationReportBuilderImplTest.java
index e8025cb7f..0cbe29755 100644
--- a/lib/taskana-core/src/test/java/pro/taskana/impl/ClassificationReportBuilderImplTest.java
+++ b/lib/taskana-core/src/test/java/pro/taskana/impl/ClassificationReportBuilderImplTest.java
@@ -21,7 +21,6 @@ import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.mockito.InjectMocks;
 import org.mockito.Mock;
-import org.mockito.MockitoAnnotations;
 import org.mockito.junit.MockitoJUnitRunner;
 
 import pro.taskana.CustomField;
@@ -61,7 +60,6 @@ public class ClassificationReportBuilderImplTest {
 
     @Before
     public void setup() {
-        MockitoAnnotations.initMocks(this);
         when(taskanaEngineInternalMock.getEngine()).thenReturn(taskanaEngineMock);
         when(taskanaEngineMock.getConfiguration()).thenReturn(taskanaEngineConfiguration);
         when(taskanaEngineConfiguration.isGermanPublicHolidaysEnabled()).thenReturn(true);
diff --git a/lib/taskana-core/src/test/java/pro/taskana/impl/CustomFieldValueReportBuilderImplTest.java b/lib/taskana-core/src/test/java/pro/taskana/impl/CustomFieldValueReportBuilderImplTest.java
index 4c4507e8f..6f11c91a0 100644
--- a/lib/taskana-core/src/test/java/pro/taskana/impl/CustomFieldValueReportBuilderImplTest.java
+++ b/lib/taskana-core/src/test/java/pro/taskana/impl/CustomFieldValueReportBuilderImplTest.java
@@ -20,7 +20,6 @@ import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.mockito.InjectMocks;
 import org.mockito.Mock;
-import org.mockito.MockitoAnnotations;
 import org.mockito.junit.MockitoJUnitRunner;
 
 import pro.taskana.CustomField;
@@ -57,7 +56,6 @@ public class CustomFieldValueReportBuilderImplTest {
 
     @Before
     public void setup() {
-        MockitoAnnotations.initMocks(this);
         when(taskanaEngineInternalMock.getEngine()).thenReturn(taskanaEngineMock);
         when(taskanaEngineMock.getConfiguration()).thenReturn(taskanaEngineConfiguration);
         when(taskanaEngineConfiguration.isGermanPublicHolidaysEnabled()).thenReturn(true);
@@ -210,7 +208,8 @@ public class CustomFieldValueReportBuilderImplTest {
         verify(taskMonitorMapperMock, times(1))
             .getCustomAttributeValuesForReport(any(), any(), any(), any(), any(), any(), any(), any());
         verify(taskanaEngineInternalMock, times(1)).returnConnection();
-        verifyNoMoreInteractions(taskanaEngineInternalMock, taskanaEngineMock, taskMonitorMapperMock, taskanaEngineConfiguration);
+        verifyNoMoreInteractions(taskanaEngineInternalMock, taskanaEngineMock, taskMonitorMapperMock,
+            taskanaEngineConfiguration);
 
         assertNotNull(actualResult);
         assertEquals(expectedResult, actualResult);
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 eb49c51ac..8f615df67 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
@@ -21,7 +21,6 @@ import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.mockito.Mock;
 import org.mockito.Mockito;
-import org.mockito.MockitoAnnotations;
 import org.powermock.core.classloader.annotations.PowerMockIgnore;
 import org.powermock.core.classloader.annotations.PrepareForTest;
 import org.powermock.modules.junit4.PowerMockRunner;
@@ -89,7 +88,6 @@ public class TaskServiceImplTest {
 
     @Before
     public void setup() {
-        MockitoAnnotations.initMocks(this);
         when(taskanaEngineInternalMock.getEngine()).thenReturn(taskanaEngineMock);
         when(taskanaEngineMock.getWorkbasketService()).thenReturn(workbasketServiceMock);
         when(taskanaEngineMock.getClassificationService()).thenReturn(classificationServiceImplMock);
diff --git a/lib/taskana-core/src/test/java/pro/taskana/impl/TaskStatusReportBuilderImplTest.java b/lib/taskana-core/src/test/java/pro/taskana/impl/TaskStatusReportBuilderImplTest.java
index 4db186edc..b3a326a10 100644
--- a/lib/taskana-core/src/test/java/pro/taskana/impl/TaskStatusReportBuilderImplTest.java
+++ b/lib/taskana-core/src/test/java/pro/taskana/impl/TaskStatusReportBuilderImplTest.java
@@ -18,7 +18,6 @@ import org.junit.runner.RunWith;
 import org.mockito.InOrder;
 import org.mockito.InjectMocks;
 import org.mockito.Mock;
-import org.mockito.MockitoAnnotations;
 import org.mockito.junit.MockitoJUnitRunner;
 
 import pro.taskana.TaskState;
@@ -50,7 +49,6 @@ public class TaskStatusReportBuilderImplTest {
 
     @Before
     public void setup() {
-        MockitoAnnotations.initMocks(this);
         when(taskanaEngineInternalMock.getEngine()).thenReturn(taskanaEngineMock);
     }
 
diff --git a/lib/taskana-core/src/test/java/pro/taskana/impl/WorkbasketReportBuilderImplTest.java b/lib/taskana-core/src/test/java/pro/taskana/impl/WorkbasketReportBuilderImplTest.java
index 78c3b02de..ea80d16e8 100644
--- a/lib/taskana-core/src/test/java/pro/taskana/impl/WorkbasketReportBuilderImplTest.java
+++ b/lib/taskana-core/src/test/java/pro/taskana/impl/WorkbasketReportBuilderImplTest.java
@@ -21,7 +21,6 @@ import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.mockito.InjectMocks;
 import org.mockito.Mock;
-import org.mockito.MockitoAnnotations;
 import org.mockito.junit.MockitoJUnitRunner;
 
 import pro.taskana.CustomField;
@@ -60,7 +59,6 @@ public class WorkbasketReportBuilderImplTest {
 
     @Before
     public void setup() {
-        MockitoAnnotations.initMocks(this);
         when(taskanaEngineInternalMock.getEngine()).thenReturn(taskanaEngineMock);
         when(taskanaEngineMock.getConfiguration()).thenReturn(taskanaEngineConfiguration);
         when(taskanaEngineConfiguration.isGermanPublicHolidaysEnabled()).thenReturn(true);