diff --git a/scm-webapp/src/main/java/sonia/scm/api/v2/resources/GroupCollectionResource.java b/scm-webapp/src/main/java/sonia/scm/api/v2/resources/GroupCollectionResource.java
index 7f0a19ed5d..36213c81e0 100644
--- a/scm-webapp/src/main/java/sonia/scm/api/v2/resources/GroupCollectionResource.java
+++ b/scm-webapp/src/main/java/sonia/scm/api/v2/resources/GroupCollectionResource.java
@@ -34,14 +34,12 @@ import static sonia.scm.api.v2.resources.ResourceLinks.group;
 public class GroupCollectionResource extends AbstractManagerResource<Group, GroupException> {
   public static final int DEFAULT_PAGE_SIZE = 10;
   private final GroupDtoToGroupMapper dtoToGroupMapper;
-  private final GroupToGroupDtoMapper groupToDtoMapper;
   private final GroupCollectionToDtoMapper groupCollectionToDtoMapper;
 
   @Inject
-  public GroupCollectionResource(GroupManager manager, GroupDtoToGroupMapper dtoToGroupMapper, GroupToGroupDtoMapper groupToDtoMapper, GroupCollectionToDtoMapper groupCollectionToDtoMapper) {
+  public GroupCollectionResource(GroupManager manager, GroupDtoToGroupMapper dtoToGroupMapper, GroupCollectionToDtoMapper groupCollectionToDtoMapper) {
     super(manager);
     this.dtoToGroupMapper = dtoToGroupMapper;
-    this.groupToDtoMapper = groupToDtoMapper;
     this.groupCollectionToDtoMapper = groupCollectionToDtoMapper;
   }
 
diff --git a/scm-webapp/src/main/java/sonia/scm/api/v2/resources/UserCollectionResource.java b/scm-webapp/src/main/java/sonia/scm/api/v2/resources/UserCollectionResource.java
index 7d6ef89909..4d2024afdc 100644
--- a/scm-webapp/src/main/java/sonia/scm/api/v2/resources/UserCollectionResource.java
+++ b/scm-webapp/src/main/java/sonia/scm/api/v2/resources/UserCollectionResource.java
@@ -33,14 +33,12 @@ import static sonia.scm.api.v2.resources.ResourceLinks.user;
 public class UserCollectionResource extends AbstractManagerResource<User, UserException> {
   public static final int DEFAULT_PAGE_SIZE = 10;
   private final UserDtoToUserMapper dtoToUserMapper;
-  private final UserToUserDtoMapper userToDtoMapper;
   private final UserCollectionToDtoMapper userCollectionToDtoMapper;
 
   @Inject
-  public UserCollectionResource(UserManager manager, UserDtoToUserMapper dtoToUserMapper, UserToUserDtoMapper userToDtoMapper, UserCollectionToDtoMapper userCollectionToDtoMapper) {
+  public UserCollectionResource(UserManager manager, UserDtoToUserMapper dtoToUserMapper, UserCollectionToDtoMapper userCollectionToDtoMapper) {
     super(manager);
     this.dtoToUserMapper = dtoToUserMapper;
-    this.userToDtoMapper = userToDtoMapper;
     this.userCollectionToDtoMapper = userCollectionToDtoMapper;
   }
 
diff --git a/scm-webapp/src/test/java/sonia/scm/api/v2/resources/GroupRootResourceTest.java b/scm-webapp/src/test/java/sonia/scm/api/v2/resources/GroupRootResourceTest.java
index b4e8d167e1..b436722830 100644
--- a/scm-webapp/src/test/java/sonia/scm/api/v2/resources/GroupRootResourceTest.java
+++ b/scm-webapp/src/test/java/sonia/scm/api/v2/resources/GroupRootResourceTest.java
@@ -73,7 +73,7 @@ public class GroupRootResourceTest {
     when(groupManager.get("admin")).thenReturn(group);
 
     GroupCollectionToDtoMapper groupCollectionToDtoMapper = new GroupCollectionToDtoMapper(groupToDtoMapper, uriInfoStore);
-    GroupCollectionResource groupCollectionResource = new GroupCollectionResource(groupManager, dtoToGroupMapper, groupToDtoMapper, groupCollectionToDtoMapper);
+    GroupCollectionResource groupCollectionResource = new GroupCollectionResource(groupManager, dtoToGroupMapper, groupCollectionToDtoMapper);
     GroupResource groupResource = new GroupResource(groupManager, groupToDtoMapper);
     GroupRootResource groupRootResource = new GroupRootResource(MockProvider.of(groupCollectionResource), MockProvider.of(groupResource));
 
diff --git a/scm-webapp/src/test/java/sonia/scm/api/v2/resources/UserRootResourceTest.java b/scm-webapp/src/test/java/sonia/scm/api/v2/resources/UserRootResourceTest.java
index c946077e0b..605d7b0db2 100644
--- a/scm-webapp/src/test/java/sonia/scm/api/v2/resources/UserRootResourceTest.java
+++ b/scm-webapp/src/test/java/sonia/scm/api/v2/resources/UserRootResourceTest.java
@@ -77,8 +77,8 @@ public class UserRootResourceTest {
     doNothing().when(userManager).delete(userCaptor.capture());
 
     UserCollectionToDtoMapper userCollectionToDtoMapper = new UserCollectionToDtoMapper(userToDtoMapper, uriInfoStore);
-    UserCollectionResource userCollectionResource = new UserCollectionResource(userManager, dtoToUserMapper, userToDtoMapper,
-                                                                               userCollectionToDtoMapper);
+    UserCollectionResource userCollectionResource = new UserCollectionResource(userManager, dtoToUserMapper,
+      userCollectionToDtoMapper);
     UserResource userResource = new UserResource(dtoToUserMapper, userToDtoMapper, userManager);
     UserRootResource userRootResource = new UserRootResource(MockProvider.of(userCollectionResource), MockProvider.of(userResource));