diff --git a/asdf_pydantic/examples/__init__.py b/asdf_pydantic/examples/__init__.py
deleted file mode 100644
index e69de29..0000000
diff --git a/asdf_pydantic/examples/extensions.py b/asdf_pydantic/examples/extensions.py
deleted file mode 100644
index b79d4d9..0000000
--- a/asdf_pydantic/examples/extensions.py
+++ /dev/null
@@ -1,19 +0,0 @@
-from __future__ import annotations
-
-from asdf.extension import Extension
-
-from asdf_pydantic.converter import AsdfPydanticConverter
-from asdf_pydantic.examples.shapes import AsdfRectangle
-from asdf_pydantic.examples.tree import AsdfTreeNode
-
-AsdfPydanticConverter.add_models(AsdfRectangle, AsdfTreeNode)
-
-
-class ExampleExtension(Extension):
-    extension_uri = "asdf://asdf-pydantic/examples/extensions/examples-1.0.0"
-    converters = [AsdfPydanticConverter()]  # type: ignore
-    tags = [*AsdfPydanticConverter().tags]  # type: ignore
-
-
-def get_extensions() -> list[Extension]:
-    return [ExampleExtension()]
diff --git a/pyproject.toml b/pyproject.toml
index ed3c434..d71650b 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -34,9 +34,6 @@ Documentation = "https://asdf-pydantic.readthedocs.io"
 Issues = "https://github.com/ketozhang/asdf-pydantic/issues"
 Source = "https://github.com/ketozhang/asdf-pydantic"
 
-[project.entry-points]
-'asdf.extensions' = { asdf_pydantic_extension = 'asdf_pydantic.examples.extensions:get_extensions' }
-
 [tool.hatch.version]
 source = "vcs"
 
diff --git a/tests/convert_to_asdf_yaml_tree_test.py b/tests/convert_to_asdf_yaml_tree_test.py
index 37825e1..2f9510f 100644
--- a/tests/convert_to_asdf_yaml_tree_test.py
+++ b/tests/convert_to_asdf_yaml_tree_test.py
@@ -1,6 +1,6 @@
 from __future__ import annotations
 
-from asdf_pydantic.examples.tree import AsdfTreeNode, Node
+from tests.examples.tree import AsdfTreeNode, Node
 
 
 def test_sanity():
diff --git a/tests/entry_point_test.py b/tests/entry_point_test.py
deleted file mode 100644
index efccb39..0000000
--- a/tests/entry_point_test.py
+++ /dev/null
@@ -1,11 +0,0 @@
-from tempfile import NamedTemporaryFile
-
-import asdf
-
-from asdf_pydantic.examples.shapes import AsdfRectangle
-
-
-def test_create_asdf_file():
-    with NamedTemporaryFile() as tempfile:
-        af = asdf.AsdfFile({"rect": AsdfRectangle(width=42, height=10)})
-        af.write_to(tempfile.name)
diff --git a/asdf_pydantic/examples/shapes.py b/tests/examples/shapes.py
similarity index 100%
rename from asdf_pydantic/examples/shapes.py
rename to tests/examples/shapes.py
diff --git a/tests/examples/test_rectangle.py b/tests/examples/test_rectangle.py
index a95a2ba..9d414d7 100644
--- a/tests/examples/test_rectangle.py
+++ b/tests/examples/test_rectangle.py
@@ -7,13 +7,8 @@
 import yaml
 from asdf.extension import Extension
 
-from asdf_pydantic import AsdfPydanticConverter, AsdfPydanticModel
-
-
-class AsdfRectangle(AsdfPydanticModel):
-    _tag = "asdf://asdf-pydantic/examples/tags/rectangle-1.0.0"
-    width: float
-    height: float
+from asdf_pydantic import AsdfPydanticConverter
+from tests.examples.shapes import AsdfRectangle
 
 
 @pytest.fixture()
diff --git a/asdf_pydantic/examples/tree.py b/tests/examples/tree.py
similarity index 100%
rename from asdf_pydantic/examples/tree.py
rename to tests/examples/tree.py
diff --git a/tests/schema_validation_test.py b/tests/schema_validation_test.py
index a5365b5..73b4d52 100644
--- a/tests/schema_validation_test.py
+++ b/tests/schema_validation_test.py
@@ -7,8 +7,8 @@
 from asdf.extension import Extension
 
 from asdf_pydantic import AsdfPydanticConverter
-from asdf_pydantic.examples.shapes import AsdfRectangle
-from asdf_pydantic.examples.tree import AsdfTreeNode
+from tests.examples.shapes import AsdfRectangle
+from tests.examples.tree import AsdfTreeNode
 
 
 def setup_module():