diff --git a/backend/api/permissions/teacher_permissions.py b/backend/api/permissions/teacher_permissions.py
deleted file mode 100644
index e69de29b..00000000
diff --git a/backend/api/views/admin_view.py b/backend/api/views/admin_view.py
index 34ee3b99..63fdab43 100644
--- a/backend/api/views/admin_view.py
+++ b/backend/api/views/admin_view.py
@@ -1,26 +1,8 @@
-from django.utils.translation import gettext
 from rest_framework import viewsets
-from rest_framework.viewsets import ReadOnlyModelViewSet
-from rest_framework.permissions import IsAdminUser
-from rest_framework.response import Response
-
-from authentication.serializers import UserSerializer, UserIDSerializer
+from authentication.serializers import UserSerializer
 from authentication.models import User
 
 
-class AdminViewSet(ReadOnlyModelViewSet):
+class AdminViewSet(viewsets.ModelViewSet):
     queryset = User.objects.filter(is_staff=True)
     serializer_class = UserSerializer
-    permission_classes = [IsAdminUser]
-
-    def create(self, request):
-        # Add an Admin
-        serializer = UserIDSerializer(data=request.data)
-
-        if serializer.is_valid(raise_exception=True):
-            user = User.objects.get(serializer.validated_data["user_id"])
-            user.make_admin()
-        
-        return Response({
-            "message": gettext("admins.success.add")
-        })
\ No newline at end of file
diff --git a/backend/api/views/teacher_view.py b/backend/api/views/teacher_view.py
index 89cf3a3a..49038133 100644
--- a/backend/api/views/teacher_view.py
+++ b/backend/api/views/teacher_view.py
@@ -1,25 +1,31 @@
 from rest_framework import viewsets, status
 from rest_framework.decorators import action
 from rest_framework.response import Response
-from rest_framework.viewsets import ReadOnlyModelViewSet
 from ..models.teacher import Teacher
 from ..serializers.teacher_serializer import TeacherSerializer
 from ..serializers.course_serializer import CourseSerializer
 
 
-class TeacherViewSet(ReadOnlyModelViewSet):
+class TeacherViewSet(viewsets.ModelViewSet):
     queryset = Teacher.objects.all()
     serializer_class = TeacherSerializer
-    permission_classes = []
 
     @action(detail=True, methods=["get"])
     def courses(self, request, pk=None):
         """Returns a list of courses for the given teacher"""
-        teacher = self.get_object()
-        courses = teacher.courses.all()
 
-        # Serialize the course objects
-        serializer = CourseSerializer(
-            courses, many=True, context={"request": request}
-        )
-        return Response(serializer.data)
\ No newline at end of file
+        try:
+            queryset = Teacher.objects.get(id=pk)
+            courses = queryset.courses.all()
+
+            # Serialize the course objects
+            serializer = CourseSerializer(
+                courses, many=True, context={"request": request}
+            )
+            return Response(serializer.data)
+
+        except Teacher.DoesNotExist:
+            # Invalid teacher ID
+            return Response(
+                status=status.HTTP_404_NOT_FOUND, data={"message": "Teacher not found"}
+            )
diff --git a/backend/authentication/models.py b/backend/authentication/models.py
index 058eb38c..066d6fbb 100644
--- a/backend/authentication/models.py
+++ b/backend/authentication/models.py
@@ -33,10 +33,6 @@ class User(AbstractBaseUser):
     """Model settings"""
     USERNAME_FIELD = "username"
     EMAIL_FIELD = "email"
-    
-    def make_admin(self):
-        self.is_staff = True
-        self.save()
 
     @staticmethod
     def get_dummy_admin():
@@ -49,6 +45,7 @@ def get_dummy_admin():
             is_staff=True
         )
 
+
 class Faculty(models.Model):
     """This model represents a faculty."""
 
diff --git a/backend/authentication/serializers.py b/backend/authentication/serializers.py
index 0db21efb..7c4f1d92 100644
--- a/backend/authentication/serializers.py
+++ b/backend/authentication/serializers.py
@@ -12,7 +12,6 @@
     ModelSerializer,
     Serializer,
     ValidationError,
-    PrimaryKeyRelatedField
 )
 from rest_framework_simplejwt.settings import api_settings
 from rest_framework_simplejwt.tokens import AccessToken, RefreshToken
@@ -108,8 +107,3 @@ class Meta:
     def get_or_create(self, validated_data: dict) -> Tuple[User, bool]:
         """Create or fetch the user based on the validated data."""
         return User.objects.get_or_create(**validated_data)
-
-class UserIDSerializer(Serializer):
-    user_id = PrimaryKeyRelatedField(
-        queryset=User.objects.all()
-    )