diff --git a/litellm/types/completion.py b/litellm/types/completion.py
index 5eac90575..5302d16b9 100644
--- a/litellm/types/completion.py
+++ b/litellm/types/completion.py
@@ -32,5 +32,5 @@ class CompletionRequest(BaseModel):
     model_list: Optional[List[str]] = None
 
     class Config:
-        # allow kwargs
         extra = "allow"
+        protected_namespaces = ()      
\ No newline at end of file
diff --git a/litellm/types/router.py b/litellm/types/router.py
index dc29bb949..920725131 100644
--- a/litellm/types/router.py
+++ b/litellm/types/router.py
@@ -12,6 +12,9 @@ class ModelConfig(BaseModel):
     tpm: int
     rpm: int
 
+    class Config:
+        protected_namespaces = ()     
+
 
 class RouterConfig(BaseModel):
     model_list: List[ModelConfig]
@@ -41,6 +44,8 @@ class RouterConfig(BaseModel):
         "latency-based-routing",
     ] = "simple-shuffle"
 
+    class Config:
+        protected_namespaces = ()      
 
 class ModelInfo(BaseModel):
     id: Optional[
@@ -141,6 +146,7 @@ class Deployment(BaseModel):
 
     class Config:
         extra = "allow"
+        protected_namespaces = ()      
 
     def __contains__(self, key):
         # Define custom behavior for the 'in' operator
diff --git a/litellm/utils.py b/litellm/utils.py
index affa811f3..eee7f8202 100644
--- a/litellm/utils.py
+++ b/litellm/utils.py
@@ -236,6 +236,7 @@ class HiddenParams(OpenAIObject):
 
     class Config:
         extra = "allow"
+        protected_namespaces = ()      
 
     def get(self, key, default=None):
         # Custom .get() method to access attributes with a default value if the attribute doesn't exist