diff --git a/tests/test_tutorial/test_header_param_models/test_tutorial001.py b/tests/test_tutorial/test_header_param_models/test_tutorial001.py
index 8391bd119..61e3401a1 100644
--- a/tests/test_tutorial/test_header_param_models/test_tutorial001.py
+++ b/tests/test_tutorial/test_header_param_models/test_tutorial001.py
@@ -65,7 +65,6 @@ def test_header_param_model_invalid(client: TestClient):
                     "loc": ["header", "save_data"],
                     "msg": "Field required",
                     "input": {
-                        "x_tag": [],
                         "host": "testserver",
                         "accept": "*/*",
                         "accept-encoding": "gzip, deflate",
diff --git a/tests/test_tutorial/test_header_param_models/test_tutorial002.py b/tests/test_tutorial/test_header_param_models/test_tutorial002.py
index 3d66dca08..77c80dbcd 100644
--- a/tests/test_tutorial/test_header_param_models/test_tutorial002.py
+++ b/tests/test_tutorial/test_header_param_models/test_tutorial002.py
@@ -65,7 +65,7 @@ def test_header_param_model_invalid(client: TestClient):
                     "type": "missing",
                     "loc": ["header", "save_data"],
                     "msg": "Field required",
-                    "input": {"x_tag": [], "host": "testserver"},
+                    "input": {"host": "testserver"},
                 }
             ]
         }
diff --git a/tests/test_tutorial/test_header_param_models/test_tutorial003.py b/tests/test_tutorial/test_header_param_models/test_tutorial003.py
index 7d0da24fd..30121d16d 100644
--- a/tests/test_tutorial/test_header_param_models/test_tutorial003.py
+++ b/tests/test_tutorial/test_header_param_models/test_tutorial003.py
@@ -64,7 +64,6 @@ def test_header_param_model_no_underscore(client: TestClient):
                     "input": {
                         "host": "testserver",
                         "traceparent": "123",
-                        "x_tag": [],
                         "accept": "*/*",
                         "accept-encoding": "gzip, deflate",
                         "connection": "keep-alive",
@@ -102,7 +101,6 @@ def test_header_param_model_invalid(client: TestClient):
                     "loc": ["header", "save_data"],
                     "msg": "Field required",
                     "input": {
-                        "x_tag": [],
                         "host": "testserver",
                         "accept": "*/*",
                         "accept-encoding": "gzip, deflate",