diff --git a/frigate/config.py b/frigate/config.py
index 33fd1cf60..602f03f1f 100644
--- a/frigate/config.py
+++ b/frigate/config.py
@@ -1511,10 +1511,10 @@ class FrigateConfig(FrigateBaseModel):
             )
             detector_config: DetectorConfig = adapter.validate_python(model_dict)
             if detector_config.model is None:
-                detector_config.model = config.model
+                detector_config.model = config.model.model_copy()
             else:
                 path = detector_config.model.path
-                detector_config.model = config.model
+                detector_config.model = config.model.model_copy()
                 detector_config.model.path = path
 
                 if "path" not in model_dict or len(model_dict.keys()) > 1:
diff --git a/frigate/test/test_config.py b/frigate/test/test_config.py
index be935d431..697edfe91 100644
--- a/frigate/test/test_config.py
+++ b/frigate/test/test_config.py
@@ -82,7 +82,7 @@ class TestConfig(unittest.TestCase):
                 },
                 "edgetpu": {
                     "type": "edgetpu",
-                    "model": {"path": "/edgetpu_model.tflite", "width": 160},
+                    "model": {"path": "/edgetpu_model.tflite"},
                 },
                 "openvino": {
                     "type": "openvino",
@@ -112,11 +112,6 @@ class TestConfig(unittest.TestCase):
         assert runtime_config.detectors["edgetpu"].model.path == "/edgetpu_model.tflite"
         assert runtime_config.detectors["openvino"].model.path == "/etc/hosts"
 
-        assert runtime_config.model.width == 512
-        assert runtime_config.detectors["cpu"].model.width == 320
-        assert runtime_config.detectors["edgetpu"].model.width == 160
-        assert runtime_config.detectors["openvino"].model.width == 512
-
     def test_invalid_mqtt_config(self):
         config = {
             "mqtt": {"host": "mqtt", "user": "test"},