diff --git a/apps/users/api/views.py b/apps/users/api/views.py
index cc3ead8..dffdb36 100644
--- a/apps/users/api/views.py
+++ b/apps/users/api/views.py
@@ -224,6 +224,21 @@ class ProfilePictureView(APIView):
         serializer.save()
         return Response(serializer.data, status=status.HTTP_200_OK)
 
+    @extend_schema(
+        responses=UserProfilePictureSerializer,
+        operation_id="users_profile_picture_self_delete",
+    )
+    def delete(self, request):
+        request.user.profile_picture.delete(save=False)
+        request.user.profile_picture = None
+        request.user.save(update_fields=["profile_picture", "updated_at"])
+
+        serializer = UserProfilePictureSerializer(
+            instance=request.user,
+            context={"request": request},
+        )
+        return Response(serializer.data, status=status.HTTP_200_OK)
+
 
 class UserListView(ListAPIView):
     permission_classes = [IsAuthenticated]
@@ -268,4 +283,4 @@ class UserSearchAPIView(APIView):
             )
 
         serializer = UserSearchSerializer(user, context={"request": request})
-        return Response(serializer.data, status=status.HTTP_200_OK)
\ No newline at end of file
+        return Response(serializer.data, status=status.HTTP_200_OK)
diff --git a/apps/users/tasks.py b/apps/users/tasks.py
index 7c99b21..5bcb1d9 100644
--- a/apps/users/tasks.py
+++ b/apps/users/tasks.py
@@ -6,8 +6,6 @@ from django.conf import settings
 
 logger = logging.getLogger(__name__)
 
-SMS_APIKEY = settings.SMS_APIKEY
-
 
 def _send_sms(receptor, pattern_code, variables: list = None):
     """
@@ -16,7 +14,7 @@ def _send_sms(receptor, pattern_code, variables: list = None):
     SMS_ENDPOINT = "https://api.sms.ir/v1/send/verify"
 
     variables = variables or []
-    headers = {"Content-Type": "application/json", "Accept": "text/plain", "x-api-key": SMS_APIKEY}
+    headers = {"Content-Type": "application/json", "Accept": "text/plain", "x-api-key": settings.SMS_APIKEY}
     payload = {
         "mobile": receptor,
         "templateId": str(pattern_code),
@@ -52,6 +50,10 @@ def _send_sms(receptor, pattern_code, variables: list = None):
 def send_verification_sms(mobile, code):
     logger.info(f"Starting to send SMS to {mobile} with code {code}")
     try:
+        if not settings.SMS_APIKEY:
+            logger.info("SMS_APIKEY is not configured. Skipping real SMS delivery for %s with code %s", mobile, code)
+            return {"mobile": mobile, "code": str(code), "sent": False}
+
         variables = [{"name": "OTP", "value": str(code)}]
         response = _send_sms(mobile, 570574, variables=variables)
         if response and response.status_code == 200:
diff --git a/apps/users/tests/test_profile_picture_api.py b/apps/users/tests/test_profile_picture_api.py
new file mode 100644
index 0000000..87a5663
--- /dev/null
+++ b/apps/users/tests/test_profile_picture_api.py
@@ -0,0 +1,18 @@
+from rest_framework import status
+from rest_framework.test import APIClient
+
+from apps.users.models import User
+
+
+def test_profile_picture_delete_returns_profile_payload(db):
+    user = User.objects.create_user(mobile="09120000000", password="secret123")
+    client = APIClient()
+    client.force_authenticate(user=user)
+
+    response = client.delete("/api/users/profile/picture/")
+
+    assert response.status_code == status.HTTP_200_OK
+    assert response.data["profile_picture"] is None
+
+    user.refresh_from_db()
+    assert not user.profile_picture
diff --git a/apps/users/tests/test_tasks.py b/apps/users/tests/test_tasks.py
new file mode 100644
index 0000000..0827959
--- /dev/null
+++ b/apps/users/tests/test_tasks.py
@@ -0,0 +1,13 @@
+from apps.users.tasks import send_verification_sms
+
+
+def test_send_verification_sms_skips_real_delivery_without_api_key(settings):
+    settings.SMS_APIKEY = ""
+
+    result = send_verification_sms("09123456789", "12345")
+
+    assert result == {
+        "mobile": "09123456789",
+        "code": "12345",
+        "sent": False,
+    }