diff --git a/monkey/monkey_island/cc/app.py b/monkey/monkey_island/cc/app.py
index 353b4ca73..a678ddd9b 100644
--- a/monkey/monkey_island/cc/app.py
+++ b/monkey/monkey_island/cc/app.py
@@ -52,7 +52,6 @@ from monkey_island.cc.resources.version import Version
 from monkey_island.cc.resources.zero_trust.finding_event import ZeroTrustFindingEvent
 from monkey_island.cc.resources.zero_trust.zero_trust_report import ZeroTrustReport
 from monkey_island.cc.server_utils.consts import MONKEY_ISLAND_ABS_PATH
-from monkey_island.cc.server_utils.custom_json_encoder import CustomJSONEncoder
 from monkey_island.cc.services.representations import output_json
 
 HOME_FILE = "index.html"
@@ -97,7 +96,6 @@ def init_app_config(app, mongo_url):
     app.config["JSON_SORT_KEYS"] = False
 
     app.url_map.strict_slashes = False
-    app.json_encoder = CustomJSONEncoder
 
 
 def init_app_services(app):
diff --git a/monkey/monkey_island/cc/server_utils/custom_json_encoder.py b/monkey/monkey_island/cc/server_utils/custom_json_encoder.py
deleted file mode 100644
index 0cc2036de..000000000
--- a/monkey/monkey_island/cc/server_utils/custom_json_encoder.py
+++ /dev/null
@@ -1,12 +0,0 @@
-from bson import ObjectId, json_util
-from flask.json import JSONEncoder
-
-
-class CustomJSONEncoder(JSONEncoder):
-    def default(self, obj):
-        try:
-            if isinstance(obj, ObjectId):
-                return json_util.dumps(obj)
-        except TypeError:
-            pass
-        return JSONEncoder.default(self, obj)