diff --git a/docs/reference/index.html b/docs/reference/index.html
index 3cfd45f3f..a48e4687f 100644
--- a/docs/reference/index.html
+++ b/docs/reference/index.html
@@ -3009,8 +3009,6 @@ <h2 class="section-title" id="header-classes">Classes</h2>
         markdown_text: Optional[str] = None,
         recipient_team_id: Optional[str] = None,
         recipient_user_id: Optional[str] = None,
-        unfurl_links: Optional[bool] = None,
-        unfurl_media: Optional[bool] = None,
         **kwargs,
     ) -&gt; SlackResponse:
         &#34;&#34;&#34;Starts a new streaming conversation.
@@ -3023,8 +3021,6 @@ <h2 class="section-title" id="header-classes">Classes</h2>
                 &#34;markdown_text&#34;: markdown_text,
                 &#34;recipient_team_id&#34;: recipient_team_id,
                 &#34;recipient_user_id&#34;: recipient_user_id,
-                &#34;unfurl_links&#34;: unfurl_links,
-                &#34;unfurl_media&#34;: unfurl_media,
             }
         )
         kwargs = _remove_none_values(kwargs)
@@ -10333,7 +10329,7 @@ <h3>Methods</h3>
 <a href="https://api.slack.com/methods/chat.scheduledMessages.list">https://api.slack.com/methods/chat.scheduledMessages.list</a></p></div>
 </dd>
 <dt id="slack_sdk.WebClient.chat_startStream"><code class="name flex">
-<span>def <span class="ident">chat_startStream</span></span>(<span>self,<br>*,<br>channel: str,<br>thread_ts: str,<br>markdown_text: str | None = None,<br>recipient_team_id: str | None = None,<br>recipient_user_id: str | None = None,<br>unfurl_links: bool | None = None,<br>unfurl_media: bool | None = None,<br>**kwargs) ‑> <a title="slack_sdk.web.slack_response.SlackResponse" href="web/slack_response.html#slack_sdk.web.slack_response.SlackResponse">SlackResponse</a></span>
+<span>def <span class="ident">chat_startStream</span></span>(<span>self,<br>*,<br>channel: str,<br>thread_ts: str,<br>markdown_text: str | None = None,<br>recipient_team_id: str | None = None,<br>recipient_user_id: str | None = None,<br>**kwargs) ‑> <a title="slack_sdk.web.slack_response.SlackResponse" href="web/slack_response.html#slack_sdk.web.slack_response.SlackResponse">SlackResponse</a></span>
 </code></dt>
 <dd>
 <details class="source">
@@ -10348,8 +10344,6 @@ <h3>Methods</h3>
     markdown_text: Optional[str] = None,
     recipient_team_id: Optional[str] = None,
     recipient_user_id: Optional[str] = None,
-    unfurl_links: Optional[bool] = None,
-    unfurl_media: Optional[bool] = None,
     **kwargs,
 ) -&gt; SlackResponse:
     &#34;&#34;&#34;Starts a new streaming conversation.
@@ -10362,8 +10356,6 @@ <h3>Methods</h3>
             &#34;markdown_text&#34;: markdown_text,
             &#34;recipient_team_id&#34;: recipient_team_id,
             &#34;recipient_user_id&#34;: recipient_user_id,
-            &#34;unfurl_links&#34;: unfurl_links,
-            &#34;unfurl_media&#34;: unfurl_media,
         }
     )
     kwargs = _remove_none_values(kwargs)
diff --git a/docs/reference/web/async_client.html b/docs/reference/web/async_client.html
index 7a46cf18c..d2ddecfb3 100644
--- a/docs/reference/web/async_client.html
+++ b/docs/reference/web/async_client.html
@@ -2905,8 +2905,6 @@ <h2 class="section-title" id="header-classes">Classes</h2>
         markdown_text: Optional[str] = None,
         recipient_team_id: Optional[str] = None,
         recipient_user_id: Optional[str] = None,
-        unfurl_links: Optional[bool] = None,
-        unfurl_media: Optional[bool] = None,
         **kwargs,
     ) -&gt; AsyncSlackResponse:
         &#34;&#34;&#34;Starts a new streaming conversation.
@@ -2919,8 +2917,6 @@ <h2 class="section-title" id="header-classes">Classes</h2>
                 &#34;markdown_text&#34;: markdown_text,
                 &#34;recipient_team_id&#34;: recipient_team_id,
                 &#34;recipient_user_id&#34;: recipient_user_id,
-                &#34;unfurl_links&#34;: unfurl_links,
-                &#34;unfurl_media&#34;: unfurl_media,
             }
         )
         kwargs = _remove_none_values(kwargs)
@@ -10229,7 +10225,7 @@ <h3>Methods</h3>
 <a href="https://api.slack.com/methods/chat.scheduledMessages.list">https://api.slack.com/methods/chat.scheduledMessages.list</a></p></div>
 </dd>
 <dt id="slack_sdk.web.async_client.AsyncWebClient.chat_startStream"><code class="name flex">
-<span>async def <span class="ident">chat_startStream</span></span>(<span>self,<br>*,<br>channel: str,<br>thread_ts: str,<br>markdown_text: str | None = None,<br>recipient_team_id: str | None = None,<br>recipient_user_id: str | None = None,<br>unfurl_links: bool | None = None,<br>unfurl_media: bool | None = None,<br>**kwargs) ‑> <a title="slack_sdk.web.async_slack_response.AsyncSlackResponse" href="async_slack_response.html#slack_sdk.web.async_slack_response.AsyncSlackResponse">AsyncSlackResponse</a></span>
+<span>async def <span class="ident">chat_startStream</span></span>(<span>self,<br>*,<br>channel: str,<br>thread_ts: str,<br>markdown_text: str | None = None,<br>recipient_team_id: str | None = None,<br>recipient_user_id: str | None = None,<br>**kwargs) ‑> <a title="slack_sdk.web.async_slack_response.AsyncSlackResponse" href="async_slack_response.html#slack_sdk.web.async_slack_response.AsyncSlackResponse">AsyncSlackResponse</a></span>
 </code></dt>
 <dd>
 <details class="source">
@@ -10244,8 +10240,6 @@ <h3>Methods</h3>
     markdown_text: Optional[str] = None,
     recipient_team_id: Optional[str] = None,
     recipient_user_id: Optional[str] = None,
-    unfurl_links: Optional[bool] = None,
-    unfurl_media: Optional[bool] = None,
     **kwargs,
 ) -&gt; AsyncSlackResponse:
     &#34;&#34;&#34;Starts a new streaming conversation.
@@ -10258,8 +10252,6 @@ <h3>Methods</h3>
             &#34;markdown_text&#34;: markdown_text,
             &#34;recipient_team_id&#34;: recipient_team_id,
             &#34;recipient_user_id&#34;: recipient_user_id,
-            &#34;unfurl_links&#34;: unfurl_links,
-            &#34;unfurl_media&#34;: unfurl_media,
         }
     )
     kwargs = _remove_none_values(kwargs)
diff --git a/docs/reference/web/client.html b/docs/reference/web/client.html
index 162df0964..1f208b094 100644
--- a/docs/reference/web/client.html
+++ b/docs/reference/web/client.html
@@ -2905,8 +2905,6 @@ <h2 class="section-title" id="header-classes">Classes</h2>
         markdown_text: Optional[str] = None,
         recipient_team_id: Optional[str] = None,
         recipient_user_id: Optional[str] = None,
-        unfurl_links: Optional[bool] = None,
-        unfurl_media: Optional[bool] = None,
         **kwargs,
     ) -&gt; SlackResponse:
         &#34;&#34;&#34;Starts a new streaming conversation.
@@ -2919,8 +2917,6 @@ <h2 class="section-title" id="header-classes">Classes</h2>
                 &#34;markdown_text&#34;: markdown_text,
                 &#34;recipient_team_id&#34;: recipient_team_id,
                 &#34;recipient_user_id&#34;: recipient_user_id,
-                &#34;unfurl_links&#34;: unfurl_links,
-                &#34;unfurl_media&#34;: unfurl_media,
             }
         )
         kwargs = _remove_none_values(kwargs)
@@ -10229,7 +10225,7 @@ <h3>Methods</h3>
 <a href="https://api.slack.com/methods/chat.scheduledMessages.list">https://api.slack.com/methods/chat.scheduledMessages.list</a></p></div>
 </dd>
 <dt id="slack_sdk.web.client.WebClient.chat_startStream"><code class="name flex">
-<span>def <span class="ident">chat_startStream</span></span>(<span>self,<br>*,<br>channel: str,<br>thread_ts: str,<br>markdown_text: str | None = None,<br>recipient_team_id: str | None = None,<br>recipient_user_id: str | None = None,<br>unfurl_links: bool | None = None,<br>unfurl_media: bool | None = None,<br>**kwargs) ‑> <a title="slack_sdk.web.slack_response.SlackResponse" href="slack_response.html#slack_sdk.web.slack_response.SlackResponse">SlackResponse</a></span>
+<span>def <span class="ident">chat_startStream</span></span>(<span>self,<br>*,<br>channel: str,<br>thread_ts: str,<br>markdown_text: str | None = None,<br>recipient_team_id: str | None = None,<br>recipient_user_id: str | None = None,<br>**kwargs) ‑> <a title="slack_sdk.web.slack_response.SlackResponse" href="slack_response.html#slack_sdk.web.slack_response.SlackResponse">SlackResponse</a></span>
 </code></dt>
 <dd>
 <details class="source">
@@ -10244,8 +10240,6 @@ <h3>Methods</h3>
     markdown_text: Optional[str] = None,
     recipient_team_id: Optional[str] = None,
     recipient_user_id: Optional[str] = None,
-    unfurl_links: Optional[bool] = None,
-    unfurl_media: Optional[bool] = None,
     **kwargs,
 ) -&gt; SlackResponse:
     &#34;&#34;&#34;Starts a new streaming conversation.
@@ -10258,8 +10252,6 @@ <h3>Methods</h3>
             &#34;markdown_text&#34;: markdown_text,
             &#34;recipient_team_id&#34;: recipient_team_id,
             &#34;recipient_user_id&#34;: recipient_user_id,
-            &#34;unfurl_links&#34;: unfurl_links,
-            &#34;unfurl_media&#34;: unfurl_media,
         }
     )
     kwargs = _remove_none_values(kwargs)
diff --git a/docs/reference/web/index.html b/docs/reference/web/index.html
index c2df7f11f..ca8c9fcc1 100644
--- a/docs/reference/web/index.html
+++ b/docs/reference/web/index.html
@@ -3274,8 +3274,6 @@ <h2 id="raises">Raises</h2>
         markdown_text: Optional[str] = None,
         recipient_team_id: Optional[str] = None,
         recipient_user_id: Optional[str] = None,
-        unfurl_links: Optional[bool] = None,
-        unfurl_media: Optional[bool] = None,
         **kwargs,
     ) -&gt; SlackResponse:
         &#34;&#34;&#34;Starts a new streaming conversation.
@@ -3288,8 +3286,6 @@ <h2 id="raises">Raises</h2>
                 &#34;markdown_text&#34;: markdown_text,
                 &#34;recipient_team_id&#34;: recipient_team_id,
                 &#34;recipient_user_id&#34;: recipient_user_id,
-                &#34;unfurl_links&#34;: unfurl_links,
-                &#34;unfurl_media&#34;: unfurl_media,
             }
         )
         kwargs = _remove_none_values(kwargs)
@@ -10598,7 +10594,7 @@ <h3>Methods</h3>
 <a href="https://api.slack.com/methods/chat.scheduledMessages.list">https://api.slack.com/methods/chat.scheduledMessages.list</a></p></div>
 </dd>
 <dt id="slack_sdk.web.WebClient.chat_startStream"><code class="name flex">
-<span>def <span class="ident">chat_startStream</span></span>(<span>self,<br>*,<br>channel: str,<br>thread_ts: str,<br>markdown_text: str | None = None,<br>recipient_team_id: str | None = None,<br>recipient_user_id: str | None = None,<br>unfurl_links: bool | None = None,<br>unfurl_media: bool | None = None,<br>**kwargs) ‑> <a title="slack_sdk.web.slack_response.SlackResponse" href="slack_response.html#slack_sdk.web.slack_response.SlackResponse">SlackResponse</a></span>
+<span>def <span class="ident">chat_startStream</span></span>(<span>self,<br>*,<br>channel: str,<br>thread_ts: str,<br>markdown_text: str | None = None,<br>recipient_team_id: str | None = None,<br>recipient_user_id: str | None = None,<br>**kwargs) ‑> <a title="slack_sdk.web.slack_response.SlackResponse" href="slack_response.html#slack_sdk.web.slack_response.SlackResponse">SlackResponse</a></span>
 </code></dt>
 <dd>
 <details class="source">
@@ -10613,8 +10609,6 @@ <h3>Methods</h3>
     markdown_text: Optional[str] = None,
     recipient_team_id: Optional[str] = None,
     recipient_user_id: Optional[str] = None,
-    unfurl_links: Optional[bool] = None,
-    unfurl_media: Optional[bool] = None,
     **kwargs,
 ) -&gt; SlackResponse:
     &#34;&#34;&#34;Starts a new streaming conversation.
@@ -10627,8 +10621,6 @@ <h3>Methods</h3>
             &#34;markdown_text&#34;: markdown_text,
             &#34;recipient_team_id&#34;: recipient_team_id,
             &#34;recipient_user_id&#34;: recipient_user_id,
-            &#34;unfurl_links&#34;: unfurl_links,
-            &#34;unfurl_media&#34;: unfurl_media,
         }
     )
     kwargs = _remove_none_values(kwargs)
diff --git a/docs/reference/web/legacy_client.html b/docs/reference/web/legacy_client.html
index 1d4ebbed8..98fff7e17 100644
--- a/docs/reference/web/legacy_client.html
+++ b/docs/reference/web/legacy_client.html
@@ -2904,8 +2904,6 @@ <h2 class="section-title" id="header-classes">Classes</h2>
         markdown_text: Optional[str] = None,
         recipient_team_id: Optional[str] = None,
         recipient_user_id: Optional[str] = None,
-        unfurl_links: Optional[bool] = None,
-        unfurl_media: Optional[bool] = None,
         **kwargs,
     ) -&gt; Union[Future, SlackResponse]:
         &#34;&#34;&#34;Starts a new streaming conversation.
@@ -2918,8 +2916,6 @@ <h2 class="section-title" id="header-classes">Classes</h2>
                 &#34;markdown_text&#34;: markdown_text,
                 &#34;recipient_team_id&#34;: recipient_team_id,
                 &#34;recipient_user_id&#34;: recipient_user_id,
-                &#34;unfurl_links&#34;: unfurl_links,
-                &#34;unfurl_media&#34;: unfurl_media,
             }
         )
         kwargs = _remove_none_values(kwargs)
@@ -10165,7 +10161,7 @@ <h3>Methods</h3>
 <a href="https://api.slack.com/methods/chat.scheduledMessages.list">https://api.slack.com/methods/chat.scheduledMessages.list</a></p></div>
 </dd>
 <dt id="slack_sdk.web.legacy_client.LegacyWebClient.chat_startStream"><code class="name flex">
-<span>def <span class="ident">chat_startStream</span></span>(<span>self,<br>*,<br>channel: str,<br>thread_ts: str,<br>markdown_text: str | None = None,<br>recipient_team_id: str | None = None,<br>recipient_user_id: str | None = None,<br>unfurl_links: bool | None = None,<br>unfurl_media: bool | None = None,<br>**kwargs) ‑> _asyncio.Future | <a title="slack_sdk.web.legacy_slack_response.LegacySlackResponse" href="legacy_slack_response.html#slack_sdk.web.legacy_slack_response.LegacySlackResponse">LegacySlackResponse</a></span>
+<span>def <span class="ident">chat_startStream</span></span>(<span>self,<br>*,<br>channel: str,<br>thread_ts: str,<br>markdown_text: str | None = None,<br>recipient_team_id: str | None = None,<br>recipient_user_id: str | None = None,<br>**kwargs) ‑> _asyncio.Future | <a title="slack_sdk.web.legacy_slack_response.LegacySlackResponse" href="legacy_slack_response.html#slack_sdk.web.legacy_slack_response.LegacySlackResponse">LegacySlackResponse</a></span>
 </code></dt>
 <dd>
 <details class="source">
@@ -10180,8 +10176,6 @@ <h3>Methods</h3>
     markdown_text: Optional[str] = None,
     recipient_team_id: Optional[str] = None,
     recipient_user_id: Optional[str] = None,
-    unfurl_links: Optional[bool] = None,
-    unfurl_media: Optional[bool] = None,
     **kwargs,
 ) -&gt; Union[Future, SlackResponse]:
     &#34;&#34;&#34;Starts a new streaming conversation.
@@ -10194,8 +10188,6 @@ <h3>Methods</h3>
             &#34;markdown_text&#34;: markdown_text,
             &#34;recipient_team_id&#34;: recipient_team_id,
             &#34;recipient_user_id&#34;: recipient_user_id,
-            &#34;unfurl_links&#34;: unfurl_links,
-            &#34;unfurl_media&#34;: unfurl_media,
         }
     )
     kwargs = _remove_none_values(kwargs)
diff --git a/slack_sdk/web/async_client.py b/slack_sdk/web/async_client.py
index f4aa8a17f..afe62e508 100644
--- a/slack_sdk/web/async_client.py
+++ b/slack_sdk/web/async_client.py
@@ -2884,8 +2884,6 @@ async def chat_startStream(
         markdown_text: Optional[str] = None,
         recipient_team_id: Optional[str] = None,
         recipient_user_id: Optional[str] = None,
-        unfurl_links: Optional[bool] = None,
-        unfurl_media: Optional[bool] = None,
         **kwargs,
     ) -> AsyncSlackResponse:
         """Starts a new streaming conversation.
@@ -2898,8 +2896,6 @@ async def chat_startStream(
                 "markdown_text": markdown_text,
                 "recipient_team_id": recipient_team_id,
                 "recipient_user_id": recipient_user_id,
-                "unfurl_links": unfurl_links,
-                "unfurl_media": unfurl_media,
             }
         )
         kwargs = _remove_none_values(kwargs)
diff --git a/slack_sdk/web/client.py b/slack_sdk/web/client.py
index f95a2a726..eef4b9f9f 100644
--- a/slack_sdk/web/client.py
+++ b/slack_sdk/web/client.py
@@ -2874,8 +2874,6 @@ def chat_startStream(
         markdown_text: Optional[str] = None,
         recipient_team_id: Optional[str] = None,
         recipient_user_id: Optional[str] = None,
-        unfurl_links: Optional[bool] = None,
-        unfurl_media: Optional[bool] = None,
         **kwargs,
     ) -> SlackResponse:
         """Starts a new streaming conversation.
@@ -2888,8 +2886,6 @@ def chat_startStream(
                 "markdown_text": markdown_text,
                 "recipient_team_id": recipient_team_id,
                 "recipient_user_id": recipient_user_id,
-                "unfurl_links": unfurl_links,
-                "unfurl_media": unfurl_media,
             }
         )
         kwargs = _remove_none_values(kwargs)
diff --git a/slack_sdk/web/legacy_client.py b/slack_sdk/web/legacy_client.py
index 29ef99064..0594b857f 100644
--- a/slack_sdk/web/legacy_client.py
+++ b/slack_sdk/web/legacy_client.py
@@ -2885,8 +2885,6 @@ def chat_startStream(
         markdown_text: Optional[str] = None,
         recipient_team_id: Optional[str] = None,
         recipient_user_id: Optional[str] = None,
-        unfurl_links: Optional[bool] = None,
-        unfurl_media: Optional[bool] = None,
         **kwargs,
     ) -> Union[Future, SlackResponse]:
         """Starts a new streaming conversation.
@@ -2899,8 +2897,6 @@ def chat_startStream(
                 "markdown_text": markdown_text,
                 "recipient_team_id": recipient_team_id,
                 "recipient_user_id": recipient_user_id,
-                "unfurl_links": unfurl_links,
-                "unfurl_media": unfurl_media,
             }
         )
         kwargs = _remove_none_values(kwargs)