diff --git a/llama_stack/providers/remote/safety/nvidia/nvidia.py b/llama_stack/providers/remote/safety/nvidia/nvidia.py
index 46521127f..c0f76a8df 100644
--- a/llama_stack/providers/remote/safety/nvidia/nvidia.py
+++ b/llama_stack/providers/remote/safety/nvidia/nvidia.py
@@ -13,7 +13,6 @@ from llama_stack.apis.safety import ModerationObject, RunShieldResponse, Safety,
 from llama_stack.apis.shields import Shield
 from llama_stack.log import get_logger
 from llama_stack.providers.datatypes import ShieldsProtocolPrivate
-from llama_stack.providers.utils.inference.openai_compat import convert_message_to_openai_dict_new
 
 from .config import NVIDIASafetyConfig
 
@@ -132,10 +131,9 @@ class NeMoGuardrails:
         Raises:
             requests.HTTPError: If the POST request fails.
         """
-        request_messages = [await convert_message_to_openai_dict_new(message) for message in messages]
         request_data = {
             "model": self.model,
-            "messages": request_messages,
+            "messages": messages,
             "temperature": self.temperature,
             "top_p": 1,
             "frequency_penalty": 0,
diff --git a/llama_stack/providers/remote/safety/sambanova/sambanova.py b/llama_stack/providers/remote/safety/sambanova/sambanova.py
index 725195fcc..72359badd 100644
--- a/llama_stack/providers/remote/safety/sambanova/sambanova.py
+++ b/llama_stack/providers/remote/safety/sambanova/sambanova.py
@@ -4,7 +4,6 @@
 # This source code is licensed under the terms described in the LICENSE file in
 # the root directory of this source tree.
 
-import json
 from typing import Any
 
 import litellm
@@ -21,7 +20,6 @@ from llama_stack.apis.shields import Shield
 from llama_stack.core.request_headers import NeedsRequestProviderData
 from llama_stack.log import get_logger
 from llama_stack.providers.datatypes import ShieldsProtocolPrivate
-from llama_stack.providers.utils.inference.openai_compat import convert_message_to_openai_dict_new
 
 from .config import SambaNovaSafetyConfig
 
@@ -80,12 +78,8 @@ class SambaNovaSafetyAdapter(Safety, ShieldsProtocolPrivate, NeedsRequestProvide
 
         shield_params = shield.params
         logger.debug(f"run_shield::{shield_params}::messages={messages}")
-        content_messages = [await convert_message_to_openai_dict_new(m) for m in messages]
-        logger.debug(f"run_shield::final:messages::{json.dumps(content_messages, indent=2)}:")
 
-        response = litellm.completion(
-            model=shield.provider_resource_id, messages=content_messages, api_key=self._get_api_key()
-        )
+        response = litellm.completion(model=shield.provider_resource_id, messages=messages, api_key=self._get_api_key())
         shield_message = response.choices[0].message.content
 
         if "unsafe" in shield_message.lower():