diff --git a/scm-webapp/src/main/java/sonia/scm/api/v2/resources/GroupDtoToGroupMapper.java b/scm-webapp/src/main/java/sonia/scm/api/v2/resources/GroupDtoToGroupMapper.java
index 459e21d62e..44c4f75eef 100644
--- a/scm-webapp/src/main/java/sonia/scm/api/v2/resources/GroupDtoToGroupMapper.java
+++ b/scm-webapp/src/main/java/sonia/scm/api/v2/resources/GroupDtoToGroupMapper.java
@@ -1,13 +1,9 @@
 package sonia.scm.api.v2.resources;
 
-import com.fasterxml.jackson.databind.JsonNode;
-import org.mapstruct.AfterMapping;
 import org.mapstruct.Mapper;
 import org.mapstruct.Mapping;
-import org.mapstruct.MappingTarget;
 import sonia.scm.group.Group;
 
-import java.util.stream.Collectors;
 
 @Mapper
 public abstract class GroupDtoToGroupMapper {
@@ -16,15 +12,4 @@ public abstract class GroupDtoToGroupMapper {
   @Mapping(target = "lastModified", ignore = true)
   public abstract Group map(GroupDto groupDto);
 
-  @AfterMapping
-  void mapMembers(GroupDto dto, @MappingTarget Group target) {
-    target.setMembers(
-      dto
-        .getEmbedded()
-        .getItemsBy("members")
-        .stream()
-        .map(m -> m.getAttribute("name"))
-        .map(JsonNode::asText)
-        .collect(Collectors.toList()));
-  }
 }
diff --git a/scm-webapp/src/test/java/sonia/scm/api/v2/resources/GroupDtoToGroupMapperTest.java b/scm-webapp/src/test/java/sonia/scm/api/v2/resources/GroupDtoToGroupMapperTest.java
index a82979dc9c..64559b2419 100644
--- a/scm-webapp/src/test/java/sonia/scm/api/v2/resources/GroupDtoToGroupMapperTest.java
+++ b/scm-webapp/src/test/java/sonia/scm/api/v2/resources/GroupDtoToGroupMapperTest.java
@@ -5,6 +5,8 @@ import org.junit.Test;
 import org.mapstruct.factory.Mappers;
 import sonia.scm.group.Group;
 
+import java.util.Arrays;
+
 import static java.util.Arrays.asList;
 import static org.junit.Assert.assertEquals;
 
@@ -21,14 +23,7 @@ public class GroupDtoToGroupMapperTest {
   @Test
   public void shouldMapMembers() {
     GroupDto dto = new GroupDto();
-
-    MemberDto member1 = new MemberDto();
-    member1.getAttributes().put("name", new TextNode("member1"));
-    MemberDto member2 = new MemberDto();
-    member2.getAttributes().put("name", new TextNode("member2"));
-
-    dto.withMembers(asList(member1, member2));
-
+    dto.setMembers(Arrays.asList("member1", "member2"));
     Group group = Mappers.getMapper(GroupDtoToGroupMapper.class).map(dto);
 
     assertEquals(2, group.getMembers().size());