diff --git a/src/crewai/llm.py b/src/crewai/llm.py
index 44dbe5186..085a0abdc 100644
--- a/src/crewai/llm.py
+++ b/src/crewai/llm.py
@@ -151,32 +151,6 @@ class LLM:
         self.set_callbacks(callbacks)
         self.set_env_callbacks()
 
-    def to_dict(self) -> dict:
-        """
-        Return a dict of all relevant parameters for serialization.
-        """
-        return {
-            "model": self.model,
-            "timeout": self.timeout,
-            "temperature": self.temperature,
-            "top_p": self.top_p,
-            "n": self.n,
-            "stop": self.stop,
-            "max_completion_tokens": self.max_completion_tokens,
-            "max_tokens": self.max_tokens,
-            "presence_penalty": self.presence_penalty,
-            "frequency_penalty": self.frequency_penalty,
-            "logit_bias": self.logit_bias,
-            "response_format": self.response_format,
-            "seed": self.seed,
-            "logprobs": self.logprobs,
-            "top_logprobs": self.top_logprobs,
-            "base_url": self.base_url,
-            "api_version": self.api_version,
-            "api_key": self.api_key,
-            "callbacks": self.callbacks,
-        }
-
     def call(
         self,
         messages: List[Dict[str, str]],
diff --git a/src/crewai/utilities/llm_utils.py b/src/crewai/utilities/llm_utils.py
index f2d09a667..d26d8fde9 100644
--- a/src/crewai/utilities/llm_utils.py
+++ b/src/crewai/utilities/llm_utils.py
@@ -74,35 +74,6 @@ def create_llm(
         return None
 
 
-def create_chat_llm() -> Optional[LLM]:
-    """
-    Creates a Chat LLM with additional checks, such as verifying crewAI version
-    or reading from pyproject.toml. Then calls `create_llm(None, default_model)`.
-
-    Args:
-        default_model (str): Fallback model if not set in environment.
-
-    Returns:
-        An instance of LLM or None if instantiation fails.
-    """
-    print("[create_chat_llm] Checking environment and version info...")
-
-    crewai_version = get_crewai_version()
-    min_required_version = "0.87.0"  # Update to latest if needed
-
-    pyproject_data = read_toml()
-    if pyproject_data.get("tool", {}).get("poetry") and (
-        version.parse(crewai_version) < version.parse(min_required_version)
-    ):
-        print(
-            f"You are running an older version of crewAI ({crewai_version}) that uses poetry.\n"
-            "Please run `crewai update` to switch to uv-based builds."
-        )
-
-    # After checks, simply call create_llm with None (meaning "use env or fallback"):
-    return create_llm(None)
-
-
 def _llm_via_environment_or_fallback() -> Optional[LLM]:
     """
     Helper function: if llm_value is None, we load environment variables or fallback default model.