How remove password from response in django

Code:
SERILIZERS

class RegisterSerializer(serializers.ModelSerializer):
class Meta:
    model = User
    fields = ("email", "user_name", "password")

def create(self, validated_data):
    return User.objects.create_user(**validated_data)

VIEWS

@api_view(["POST"])
@permission_classes([AllowAny])
def CreateUserView(request):
    serializer = RegisterSerializer(data=request.data)
    if serializer.is_valid():
       user = serializer.save()
       if user:
          return Response(serializer.data, status=status.HTTP_201_CREATED)
    return Response(serializer.errors, status=status.HTTP_400_BAD_REQUEST)

MODELS

class CustomAccountManager(BaseUserManager):
def create_user(self, email, user_name, password, **other_fields):

    if not email:
        raise ValueError(_("You must provide an email address"))
    email = self.normalize_email(email)
    user = self.model(email=email, user_name=user_name, **other_fields)
    user.set_password(password)
    user.save()
    return user

After i post user i got response data with password.

{
"email": "mawqgvxdfdat1@mat.com",
"user_name": "sdwxcvgfsdefsdf",
"password": "pbkdf2_sha256$320000$g74DLAMRDypcK6LuGriBio$
}

How can i remove that password from returned data?

>Solution :

Into serializer

fields = ("email", "user_name",)
extra_kwargs = {'password': {'write_only': True}}

Actually delete password field from it