diff --git a/monkey/infection_monkey/config.py b/monkey/infection_monkey/config.py
index 0a64f51da..b26762fc5 100644
--- a/monkey/infection_monkey/config.py
+++ b/monkey/infection_monkey/config.py
@@ -14,7 +14,6 @@ HIDDEN_FIELD_REPLACEMENT_CONTENT = "hidden"
 
 class Configuration(object):
     def from_kv(self, formatted_data):
-        unknown_items = []
         for key, value in list(formatted_data.items()):
             if key.startswith("_"):
                 continue
@@ -22,11 +21,8 @@ class Configuration(object):
                 continue
             if hasattr(self, key):
                 setattr(self, key, value)
-            else:
-                unknown_items.append(key)
         if not self.max_depth:
             self.max_depth = self.depth
-        return unknown_items
 
     @staticmethod
     def hide_sensitive_info(config_dict):
diff --git a/monkey/infection_monkey/control.py b/monkey/infection_monkey/control.py
index b6568a860..77b52fe3f 100644
--- a/monkey/infection_monkey/control.py
+++ b/monkey/infection_monkey/control.py
@@ -185,7 +185,7 @@ class ControlClient(object):
             return
 
         try:
-            unknown_variables = WormConfiguration.from_kv(reply.json().get("config"))
+            WormConfiguration.from_kv(reply.json().get("config"))
             formatted_config = pformat(
                 WormConfiguration.hide_sensitive_info(WormConfiguration.as_dict())
             )
@@ -200,28 +200,6 @@ class ControlClient(object):
             )
             raise Exception("Couldn't load from from server's configuration, aborting. %s" % exc)
 
-        if unknown_variables:
-            ControlClient.send_config_error()
-
-    @staticmethod
-    def send_config_error():
-        if not WormConfiguration.current_server:
-            return
-        try:
-            requests.patch(  # noqa: DUO123
-                f"https://{WormConfiguration.current_server}/api/agent/{GUID}",
-                data=json.dumps({"config_error": True}),
-                headers={"content-type": "application/json"},
-                verify=False,
-                proxies=ControlClient.proxies,
-                timeout=MEDIUM_REQUEST_TIMEOUT,
-            )
-        except Exception as exc:
-            logger.warning(
-                "Error connecting to control server %s: %s", WormConfiguration.current_server, exc
-            )
-            return {}
-
     @staticmethod
     def create_control_tunnel():
         if not WormConfiguration.current_server: