diff --git a/src/main/java/fr/univ_lille/gitlab/classrooms/domain/ClassroomController.java b/src/main/java/fr/univ_lille/gitlab/classrooms/domain/ClassroomController.java
index 036ff75..c46c724 100644
--- a/src/main/java/fr/univ_lille/gitlab/classrooms/domain/ClassroomController.java
+++ b/src/main/java/fr/univ_lille/gitlab/classrooms/domain/ClassroomController.java
@@ -12,7 +12,6 @@ import org.springframework.web.bind.annotation.*;
 import org.springframework.web.server.ResponseStatusException;
 
 import java.util.UUID;
-import java.util.logging.Logger;
 
 @Controller
 @RequestMapping("/classrooms")
diff --git a/src/main/java/fr/univ_lille/gitlab/classrooms/domain/ClassroomServiceImpl.java b/src/main/java/fr/univ_lille/gitlab/classrooms/domain/ClassroomServiceImpl.java
index 1c95a4b..68f28b6 100644
--- a/src/main/java/fr/univ_lille/gitlab/classrooms/domain/ClassroomServiceImpl.java
+++ b/src/main/java/fr/univ_lille/gitlab/classrooms/domain/ClassroomServiceImpl.java
@@ -1,11 +1,9 @@
 package fr.univ_lille.gitlab.classrooms.domain;
 
-import fr.univ_lille.gitlab.classrooms.gitlab.GitlabApiFactory;
 import fr.univ_lille.gitlab.classrooms.users.ClassroomUser;
 import jakarta.transaction.Transactional;
 import org.gitlab4j.api.GitLabApi;
 import org.gitlab4j.api.GitLabApiException;
-import org.gitlab4j.api.models.AccessLevel;
 import org.gitlab4j.api.models.GroupParams;
 import org.springframework.stereotype.Service;
 
@@ -20,12 +18,9 @@ class ClassroomServiceImpl implements ClassroomService {
 
     private final GitLabApi gitLabApi;
 
-    private final GitlabApiFactory gitlabApiFactory;
-
-    ClassroomServiceImpl(ClassroomRepository classroomRepository, GitLabApi gitLabApi, GitlabApiFactory gitlabApiFactory) {
+    ClassroomServiceImpl(ClassroomRepository classroomRepository, GitLabApi gitLabApi) {
         this.classroomRepository = classroomRepository;
         this.gitLabApi = gitLabApi;
-        this.gitlabApiFactory = gitlabApiFactory;
     }
 
     @Override
@@ -43,13 +38,6 @@ class ClassroomServiceImpl implements ClassroomService {
     public void joinClassroom(Classroom classroom, ClassroomUser student) throws GitLabApiException {
         classroom.join(student);
 
-        // make the student join the gitlab group
-        var teacher = classroom.getTeacher();
-        var teacherGitlabApi = gitlabApiFactory.userGitlabApi(teacher);
-
-        var user = teacherGitlabApi.getUserApi().getUser(student.getName());
-        teacherGitlabApi.getGroupApi().addMember(classroom.getGitlabGroupId(), user.getId(), AccessLevel.DEVELOPER);
-
         this.classroomRepository.save(classroom);
     }
 
diff --git a/src/test/java/fr/univ_lille/gitlab/classrooms/domain/ClassroomServiceImplTest.java b/src/test/java/fr/univ_lille/gitlab/classrooms/domain/ClassroomServiceImplTest.java
index 0187e09..82e9e04 100644
--- a/src/test/java/fr/univ_lille/gitlab/classrooms/domain/ClassroomServiceImplTest.java
+++ b/src/test/java/fr/univ_lille/gitlab/classrooms/domain/ClassroomServiceImplTest.java
@@ -58,8 +58,6 @@ class ClassroomServiceImplTest {
         var classroom = new Classroom();
         classroom.setGitlabGroupId(12L);
 
-        when(gitlabApiFactory.userGitlabApi(any())).thenReturn(gitLabApi);
-
         classroomService.joinClassroom(classroom, student);
 
         assertThat(classroom.getStudents()).contains(student);
@@ -67,26 +65,6 @@ class ClassroomServiceImplTest {
         verify(classroomRepository).save(classroom);
     }
 
-    @Test
-    void joinClassroom_shouldAddTheStudentToTheGitlabGroup() throws GitLabApiException {
-        var student = new ClassroomUser();
-        student.setName("luke.skywalker");
-
-        var teacher = new ClassroomUser();
-        teacher.setName("obiwan.kenobi");
-
-        var classroom = new Classroom();
-        classroom.setTeacher(teacher);
-        classroom.setGitlabGroupId(12L);
-
-        when(gitlabApiFactory.userGitlabApi(teacher)).thenReturn(gitLabApi);
-        when(gitLabApi.getUserApi().getUser("luke.skywalker")).thenReturn(new User().withId(5L));
-
-        classroomService.joinClassroom(classroom, student);
-
-        verify(gitLabApi.getGroupApi()).addMember(12L, 5L, AccessLevel.DEVELOPER);
-    }
-
     @Test
     void createClassroom_shouldCreateTheGitlabGroupAndSave() throws GitLabApiException {
         var teacher = new ClassroomUser();