diff --git a/api.md b/api.md
index 4056f4a6..2848d7da 100644
--- a/api.md
+++ b/api.md
@@ -489,6 +489,7 @@ Methods:
 - <code title="get /v1/shields/{identifier}">client.shields.<a href="./src/llama_stack_client/resources/shields.py">retrieve</a>(identifier) -> <a href="./src/llama_stack_client/types/shield.py">Shield</a></code>
 - <code title="get /v1/shields">client.shields.<a href="./src/llama_stack_client/resources/shields.py">list</a>() -> <a href="./src/llama_stack_client/types/shield_list_response.py">ShieldListResponse</a></code>
 - <code title="post /v1/shields">client.shields.<a href="./src/llama_stack_client/resources/shields.py">register</a>(\*\*<a href="src/llama_stack_client/types/shield_register_params.py">params</a>) -> <a href="./src/llama_stack_client/types/shield.py">Shield</a></code>
+- <code title="delete /v1/shields/{identifier}">client.shields.<a href="./src/llama_stack_client/resources/shields.py">unregister</a>(identifier) -> None</code>
 
 # SyntheticDataGeneration
 
diff --git a/src/llama_stack_client/lib/cli/shields/shields.py b/src/llama_stack_client/lib/cli/shields/shields.py
index 5a3177f9..ceab87ea 100644
--- a/src/llama_stack_client/lib/cli/shields/shields.py
+++ b/src/llama_stack_client/lib/cli/shields/shields.py
@@ -93,6 +93,19 @@ def register(
         click.echo(yaml.dump(response.dict()))
 
 
+@shields.command()
+@click.help_option("-h", "--help")
+@click.argument("shield-id", required=True)
+@click.pass_context
+@handle_client_errors("unregister shield")
+def unregister(ctx, shield_id: str):
+    """Unregister a shield"""
+    client = ctx.obj["client"]
+    client.shields.unregister(identifier=shield_id)
+    click.echo(f"Successfully unregistered shield {shield_id}")
+
+
 # Register subcommands
 shields.add_command(list)
 shields.add_command(register)
+shields.add_command(unregister)
diff --git a/src/llama_stack_client/resources/shields.py b/src/llama_stack_client/resources/shields.py
index cf0c7678..9e6588fa 100644
--- a/src/llama_stack_client/resources/shields.py
+++ b/src/llama_stack_client/resources/shields.py
@@ -7,7 +7,7 @@
 import httpx
 
 from ..types import shield_register_params
-from .._types import NOT_GIVEN, Body, Query, Headers, NotGiven
+from .._types import NOT_GIVEN, Body, Query, Headers, NoneType, NotGiven
 from .._utils import maybe_transform, async_maybe_transform
 from .._compat import cached_property
 from .._resource import SyncAPIResource, AsyncAPIResource
@@ -151,6 +151,42 @@ def register(
             ),
             cast_to=Shield,
         )
+    
+    def unregister(
+        self,
+        identifier: str,
+        *,
+        # Use the following arguments if you need to pass additional parameters to the API that aren't available via kwargs.
+        # The extra values given here take precedence over values defined on the client or passed to this method.
+        extra_headers: Headers | None = None,
+        extra_query: Query | None = None,
+        extra_body: Body | None = None,
+        timeout: float | httpx.Timeout | None | NotGiven = NOT_GIVEN,
+    ) -> None:
+        """
+        Unregister a shield.
+
+        Args:
+          identifier: The identifier of the shield to unregister.
+
+          extra_headers: Send extra headers
+
+          extra_query: Add additional query parameters to the request
+
+          extra_body: Add additional JSON properties to the request
+
+          timeout: Override the client-level default timeout for this request, in seconds
+        """
+        if not identifier:
+            raise ValueError(f"Expected a non-empty value for `identifier` but received {identifier!r}")
+        extra_headers = {"Accept": "*/*", **(extra_headers or {})}
+        return self._delete(
+            f"/v1/shields/{identifier}",
+            options=make_request_options(
+                extra_headers=extra_headers, extra_query=extra_query, extra_body=extra_body, timeout=timeout
+            ),
+            cast_to=NoneType,
+        )
 
 
 class AsyncShieldsResource(AsyncAPIResource):
@@ -279,6 +315,42 @@ async def register(
             ),
             cast_to=Shield,
         )
+    
+    async def unregister(
+        self,
+        identifier: str,
+        *,
+        # Use the following arguments if you need to pass additional parameters to the API that aren't available via kwargs.
+        # The extra values given here take precedence over values defined on the client or passed to this method.
+        extra_headers: Headers | None = None,
+        extra_query: Query | None = None,
+        extra_body: Body | None = None,
+        timeout: float | httpx.Timeout | None | NotGiven = NOT_GIVEN,
+    ) -> None:
+        """
+        Unregister a shield.
+
+        Args:
+          identifier: The identifier of the shield to unregister.
+
+          extra_headers: Send extra headers
+
+          extra_query: Add additional query parameters to the request
+
+          extra_body: Add additional JSON properties to the request
+
+          timeout: Override the client-level default timeout for this request, in seconds
+        """
+        if not identifier:
+            raise ValueError(f"Expected a non-empty value for `identifier` but received {identifier!r}")
+        extra_headers = {"Accept": "*/*", **(extra_headers or {})}
+        return await self._delete(
+            f"/v1/shields/{identifier}",
+            options=make_request_options(
+                extra_headers=extra_headers, extra_query=extra_query, extra_body=extra_body, timeout=timeout
+            ),
+            cast_to=NoneType,
+        )
 
 
 class ShieldsResourceWithRawResponse:
@@ -295,6 +367,10 @@ def __init__(self, shields: ShieldsResource) -> None:
             shields.register,
         )
 
+        self.unregister = to_raw_response_wrapper(
+            shields.unregister,
+        )
+
 
 class AsyncShieldsResourceWithRawResponse:
     def __init__(self, shields: AsyncShieldsResource) -> None:
@@ -310,6 +386,10 @@ def __init__(self, shields: AsyncShieldsResource) -> None:
             shields.register,
         )
 
+        self.unregister = async_to_raw_response_wrapper(
+            shields.unregister,
+        )
+
 
 class ShieldsResourceWithStreamingResponse:
     def __init__(self, shields: ShieldsResource) -> None:
@@ -324,6 +404,9 @@ def __init__(self, shields: ShieldsResource) -> None:
         self.register = to_streamed_response_wrapper(
             shields.register,
         )
+        self.unregister = to_streamed_response_wrapper(
+            shields.unregister,
+        )
 
 
 class AsyncShieldsResourceWithStreamingResponse:
@@ -339,3 +422,6 @@ def __init__(self, shields: AsyncShieldsResource) -> None:
         self.register = async_to_streamed_response_wrapper(
             shields.register,
         )
+        self.unregister = async_to_streamed_response_wrapper(
+            shields.unregister,
+        )
\ No newline at end of file
diff --git a/tests/api_resources/test_shields.py b/tests/api_resources/test_shields.py
index 037a66d3..4f0ed670 100644
--- a/tests/api_resources/test_shields.py
+++ b/tests/api_resources/test_shields.py
@@ -121,6 +121,37 @@ def test_streaming_response_register(self, client: LlamaStackClient) -> None:
 
         assert cast(Any, response.is_closed) is True
 
+    @parametrize
+    def test_method_unregister(self, client: LlamaStackClient) -> None:
+        shield = client.shields.unregister(
+            identifier="identifier",
+        )
+        assert shield is None
+
+    @parametrize
+    def test_raw_response_unregister(self, client: LlamaStackClient) -> None:
+        response = client.shields.with_raw_response.unregister(
+            identifier="identifier",
+        )
+
+        assert response.is_closed is True
+        assert response.http_request.headers.get("X-Stainless-Lang") == "python"
+        shield = response.parse()
+        assert shield is None
+
+    @parametrize
+    def test_streaming_response_unregister(self, client: LlamaStackClient) -> None:
+        with client.shields.with_streaming_response.unregister(
+            identifier="identifier",
+        ) as response:
+            assert not response.is_closed
+            assert response.http_request.headers.get("X-Stainless-Lang") == "python"
+
+            shield = response.parse()
+            assert shield is None
+
+        assert cast(Any, response.is_closed) is True
+
 
 class TestAsyncShields:
     parametrize = pytest.mark.parametrize(
@@ -230,3 +261,34 @@ async def test_streaming_response_register(self, async_client: AsyncLlamaStackCl
             assert_matches_type(Shield, shield, path=["response"])
 
         assert cast(Any, response.is_closed) is True
+
+    @parametrize
+    async def test_method_unregister(self, async_client: AsyncLlamaStackClient) -> None:
+        shield = await async_client.shields.unregister(
+            identifier="identifier",
+        )
+        assert shield is None
+
+    @parametrize
+    async def test_raw_response_unregister(self, async_client: AsyncLlamaStackClient) -> None:
+        response = await async_client.shields.with_raw_response.unregister(
+            identifier="identifier",
+        )
+
+        assert response.is_closed is True
+        assert response.http_request.headers.get("X-Stainless-Lang") == "python"
+        shield = await response.parse()
+        assert shield is None
+
+    @parametrize
+    async def test_streaming_response_unregister(self, async_client: AsyncLlamaStackClient) -> None:
+        async with async_client.shields.with_streaming_response.unregister(
+            identifier="identifier",
+        ) as response:
+            assert not response.is_closed
+            assert response.http_request.headers.get("X-Stainless-Lang") == "python"
+
+            shield = await response.parse()
+            assert shield is None
+
+        assert cast(Any, response.is_closed) is True