diff --git a/cerulean_cloud/lambda_sentinel1_subscription/handler.py b/cerulean_cloud/lambda_sentinel1_subscription/handler.py
index 849af7e3..9777d042 100644
--- a/cerulean_cloud/lambda_sentinel1_subscription/handler.py
+++ b/cerulean_cloud/lambda_sentinel1_subscription/handler.py
@@ -1,12 +1,20 @@
 """handler for SNS topic, to cloud function"""
+import json
 import os
-
-import requests
+from http.client import HTTPSConnection
 
 
 def lambda_handler(event, context):
     """handle lambda"""
     function_url = os.getenv("FUNCTION_URL")
+    domain, path = function_url.replace("https://", "").split("/", 1)
     print(event)
-    res = requests.post(function_url, json=event)
-    return {"statusCode": res.status_code}
+    conn = HTTPSConnection(domain)
+    conn.request(
+        "POST",
+        "/" + path,
+        body=json.dumps(event),
+        headers={"Content-Type": "application/json"},
+    )
+    res = conn.getresponse()
+    return {"statusCode": res.status}
diff --git a/stack/sns_subscription.py b/stack/sns_subscription.py
index d4a0936a..f89bf61b 100644
--- a/stack/sns_subscription.py
+++ b/stack/sns_subscription.py
@@ -37,7 +37,6 @@
             "FUNCTION_URL": cloud_function_scene_relevancy.fxn.https_trigger_url
         },
     ),
-    layers=["arn:aws:lambda:eu-central-1:770693421928:layer:Klayers-p38-requests:15"],
 )
 # Give SNS permissions to invoke the Lambda
 lambda_permission = aws.lambda_.Permission(