diff --git a/kie_api/suno_music.py b/kie_api/suno_music.py
index 30ac725..8448e99 100644
--- a/kie_api/suno_music.py
+++ b/kie_api/suno_music.py
@@ -127,7 +127,6 @@ def run_suno_generate(
     custom_mode: bool,
     instrumental: bool,
     model: str,
-    callback_url: str,
     style: str | None = None,
     title: str | None = None,
     negative_tags: str | None = None,
@@ -145,8 +144,7 @@ def run_suno_generate(
         raise RuntimeError("Invalid model. Use the pinned enum options.")
     if vocal_gender and vocal_gender not in VOCAL_GENDER_OPTIONS:
         raise RuntimeError("vocal_gender must be 'm' or 'f'.")
-    if not callback_url:
-        raise RuntimeError("callback_url is required by the API spec.")
+    # callback_url intentionally omitted; polling mode only
 
     prompt_text = (prompt or "").strip()
     style_text = (style or "").strip()
@@ -175,7 +173,6 @@ def run_suno_generate(
         "customMode": bool(custom_mode),
         "instrumental": bool(instrumental),
         "model": model,
-        "callBackUrl": callback_url,
     }
     if style_text:
         payload["style"] = style_text
diff --git a/nodes.py b/nodes.py
index 2be8fde..fb85071 100644
--- a/nodes.py
+++ b/nodes.py
@@ -734,7 +734,6 @@ Inputs:
 - custom_mode: Enable custom mode (required)
 - instrumental: Instrumental-only mode (required)
 - model: V4 / V4_5 / V4_5PLUS / V4_5ALL / V5
-- callback_url: Webhook URL for results (required by API)
 - style: Required in custom mode
 - title: Required in custom mode
 - negative_tags: Optional tags to avoid
@@ -757,7 +756,6 @@ Inputs:
                 "custom_mode": ("BOOLEAN", {"default": True}),
                 "instrumental": ("BOOLEAN", {"default": True}),
                 "model": ("COMBO", {"options": SUNO_MODEL_OPTIONS, "default": "V4_5"}),
-                "callback_url": ("STRING", {"default": ""}),
             },
             "optional": {
                 "style": ("STRING", {"default": ""}),
@@ -783,7 +781,6 @@ Inputs:
         custom_mode: bool,
         instrumental: bool,
         model: str,
-        callback_url: str,
         style: str = "",
         title: str = "",
         negative_tags: str = "",
@@ -799,7 +796,6 @@ Inputs:
             custom_mode=custom_mode,
             instrumental=instrumental,
             model=model,
-            callback_url=callback_url,
             style=style,
             title=title,
             negative_tags=negative_tags,
diff --git a/web/docs/KIE_Suno_Music.md b/web/docs/KIE_Suno_Music.md
index 85d86e4..241459b 100644
--- a/web/docs/KIE_Suno_Music.md
+++ b/web/docs/KIE_Suno_Music.md
@@ -7,8 +7,6 @@ Create a Suno music generation task via KIE API. This node polls until completio
 - **custom_mode** (BOOLEAN, required): Enable custom mode.
 - **instrumental** (BOOLEAN, required): Instrumental-only mode.
 - **model** (COMBO, required): `V4`, `V4_5`, `V4_5PLUS`, `V4_5ALL`, `V5`
-- **callback_url** (STRING, required): Webhook URL to receive results.
-
 Optional:
 - **style** (STRING): Required in custom mode. Length limit depends on model.
 - **title** (STRING): Required in custom mode. Max 80 chars.