diff --git a/switchbot/adv_parser.py b/switchbot/adv_parser.py
index 2a47121..c27aae5 100644
--- a/switchbot/adv_parser.py
+++ b/switchbot/adv_parser.py
@@ -69,7 +69,6 @@ class SwitchbotSupportedType(TypedDict):
         "modelFriendlyName": "Light Strip",
         "func": process_wostrip,
         "manufacturer_id": 2409,
-        "manufacturer_data_length": 16,
     },
     "{": {
         "modelName": SwitchbotModel.CURTAIN,
diff --git a/tests/test_adv_parser.py b/tests/test_adv_parser.py
index 83525d5..93b4b9c 100644
--- a/tests/test_adv_parser.py
+++ b/tests/test_adv_parser.py
@@ -807,43 +807,6 @@ def test_bulb_active():
     )
 
 
-def test_lightstrip_passive():
-    """Test parsing lightstrip as passive."""
-    ble_device = generate_ble_device("aa:bb:cc:dd:ee:ff", "any")
-    adv_data = generate_advertisement_data(
-        manufacturer_data={
-            2409: b"`U\xf9(\xe5\x96\x00d\x02\xb0\x00\x00\x00\x00\x00\x00"
-        },
-        service_data={},
-        tx_power=-127,
-        rssi=-50,
-    )
-    result = parse_advertisement_data(ble_device, adv_data)
-    assert result == SwitchBotAdvertisement(
-        address="aa:bb:cc:dd:ee:ff",
-        data={
-            "data": {
-                "brightness": 100,
-                "color_mode": 2,
-                "delay": False,
-                "isOn": False,
-                "loop_index": 0,
-                "preset": False,
-                "sequence_number": 0,
-                "speed": 48,
-            },
-            "isEncrypted": False,
-            "model": "r",
-            "modelFriendlyName": "Light Strip",
-            "modelName": SwitchbotModel.LIGHT_STRIP,
-            "rawAdvData": None,
-        },
-        device=ble_device,
-        rssi=-50,
-        active=False,
-    )
-
-
 def test_wosensor_passive_and_active():
     """Test parsing wosensor as passive with active data as well."""
     ble_device = generate_ble_device("aa:bb:cc:dd:ee:ff", "any")