diff --git a/.gitignore b/.gitignore
index 40631af2..4865054a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,7 +1,5 @@
 .DS_Store
-arcade.toml # Deprecated in favor of credentials.yaml
 credentials.yaml
-docker/arcade.toml # Deprecated in favor of credentials.yaml
 docker/credentials.yaml
 
 *.lock
diff --git a/arcade/arcade/cli/authn.py b/arcade/arcade/cli/authn.py
index 0bfb4a00..ac0d80f2 100644
--- a/arcade/arcade/cli/authn.py
+++ b/arcade/arcade/cli/authn.py
@@ -8,7 +8,7 @@ import yaml
 from rich.console import Console
 
 from arcade.cli.constants import LOGIN_FAILED_HTML, LOGIN_SUCCESS_HTML
-from arcade.cli.utils import create_new_env_file, is_config_file_deprecated
+from arcade.cli.utils import create_new_env_file
 
 console = Console()
 
@@ -116,11 +116,8 @@ def check_existing_login() -> bool:
     Check if the user is already logged in by verifying the config file.
 
     Returns:
-        bool: True if the user is already logged in or is using the deprecated config file, False otherwise.
+        bool: True if the user is already logged in, False otherwise.
     """
-    if is_config_file_deprecated():
-        return True
-
     # Create a new env file if one doesn't already exist
     create_new_env_file()
 
diff --git a/arcade/arcade/cli/main.py b/arcade/arcade/cli/main.py
index 84ac7a7f..437ca689 100644
--- a/arcade/arcade/cli/main.py
+++ b/arcade/arcade/cli/main.py
@@ -27,7 +27,6 @@ from arcade.cli.utils import (
     OrderCommands,
     compute_engine_base_url,
     compute_login_url,
-    delete_deprecated_config_file,
     get_eval_files,
     get_user_input,
     handle_chat_interaction,
@@ -104,8 +103,6 @@ def logout() -> None:
     """
     Logs the user out of Arcade Cloud.
     """
-    delete_deprecated_config_file()
-
     # If ~/.arcade/credentials.yaml exists, delete it
     config_file_path = os.path.expanduser("~/.arcade/credentials.yaml")
     if os.path.exists(config_file_path):
diff --git a/arcade/arcade/cli/utils.py b/arcade/arcade/cli/utils.py
index 7dafa4e3..fa68859c 100644
--- a/arcade/arcade/cli/utils.py
+++ b/arcade/arcade/cli/utils.py
@@ -578,33 +578,6 @@ def create_new_env_file() -> None:
         console.print(f"Created new environment file at {env_file}", style="bold green")
 
 
-def is_config_file_deprecated() -> bool:
-    """
-    Check if the user is using the deprecated config file.
-
-    Returns:
-        bool: True if the user is using the deprecated config file, False otherwise.
-    """
-    deprecated_config_file_path = os.path.expanduser("~/.arcade/arcade.toml")
-    if os.path.exists(deprecated_config_file_path):
-        console.print(
-            f"Deprecation Notice: You are using a deprecated config file at {deprecated_config_file_path}. Please migrate to the new format by running,\n\n\t$ arcade logout && arcade login\n",
-            style="bold yellow",
-        )
-        return True
-    return False
-
-
-def delete_deprecated_config_file() -> None:
-    """
-    Delete the deprecated config file if it exists.
-    """
-    deprecated_config_file_path = os.path.expanduser("~/.arcade/arcade.toml")
-
-    if os.path.exists(deprecated_config_file_path):
-        os.remove(deprecated_config_file_path)
-
-
 def get_user_input() -> str:
     """
     Get input from the user, handling multi-line input.
diff --git a/arcade/arcade/core/config_model.py b/arcade/arcade/core/config_model.py
index 5fb915b5..4f7158ad 100644
--- a/arcade/arcade/core/config_model.py
+++ b/arcade/arcade/core/config_model.py
@@ -2,7 +2,6 @@ import os
 from pathlib import Path
 from typing import Any
 
-import toml
 import yaml
 from pydantic import BaseModel, ConfigDict, ValidationError
 
@@ -62,13 +61,6 @@ class Config(BaseConfig):
         config_path = os.getenv("ARCADE_WORK_DIR") or Path.home() / ".arcade"
         return Path(config_path).resolve()
 
-    @classmethod
-    def get_deprecated_config_file_path(cls) -> Path:
-        """
-        Get the path to the deprecated Arcade configuration file.
-        """
-        return cls.get_config_dir_path() / "arcade.toml"
-
     @classmethod
     def get_config_file_path(cls) -> Path:
         """
@@ -96,22 +88,17 @@ class Config(BaseConfig):
         - A default Engine configuration (host: "api.arcade-ai.com", port: None, tls: True)
         - No user configuration
 
-        If a deprecated TOML configuration file is found, it will be automatically converted
-        to the new YAML format. This ensures that the application always has a valid configuration
-        to work with, but it may not be suitable for all use cases. If a specific configuration
-        is required, ensure that the configuration file exists before calling this method.
-
         Returns:
             Config: The loaded or newly created configuration.
 
         Raises:
-            ValueError: If the existing configuration file is invalid or cannot be converted.
+            ValueError: If the existing configuration file is invalid.
         """
         cls.ensure_config_dir_exists()
 
         config_file_path = cls.get_config_file_path()
 
-        if not config_file_path.exists() and not cls._migrate_deprecated_config_file():
+        if not config_file_path.exists():
             # Create a file using the default configuration
             default_config = cls.model_construct(api=ApiConfig.model_construct())
             default_config.save_to_file()
@@ -157,31 +144,3 @@ class Config(BaseConfig):
         Config.ensure_config_dir_exists()
         config_file_path = Config.get_config_file_path()
         config_file_path.write_text(yaml.dump(self.model_dump()))
-
-    @classmethod
-    def _migrate_deprecated_config_file(cls) -> bool:
-        """
-        Migrate the deprecated config file to the new format if the deprecated config file exists.
-
-        Returns:
-            bool: True if the migration occurred, False otherwise.
-        """
-        deprecated_config_file_path = Config.get_deprecated_config_file_path()
-
-        if deprecated_config_file_path.exists():
-            # If the user is using the deprecated config file, then convert it to the new yaml format
-            try:
-                old_config: dict[str, Any] = toml.load(deprecated_config_file_path)
-                old_config = {"cloud": old_config}
-                with open(cls.get_config_file_path(), "w") as f:
-                    yaml.dump(old_config, f)
-                os.remove(deprecated_config_file_path)
-                print(
-                    f"\033[1;33mAutomatically migrated the deprecated config file {deprecated_config_file_path} to {cls.get_config_file_path()}\033[0m"
-                )
-            except Exception as e:
-                raise OSError(
-                    f"Invalid configuration file at {deprecated_config_file_path} could not be automatically converted to the new format. Please manually migrate to {cls.get_config_file_path()} by running `arcade logout && arcade login`."
-                ) from e
-            return True
-        return False
diff --git a/arcade/pyproject.toml b/arcade/pyproject.toml
index ec559c74..caad6d4e 100644
--- a/arcade/pyproject.toml
+++ b/arcade/pyproject.toml
@@ -19,9 +19,7 @@ pydantic = "^2.7.0"
 typer = "^0.9.0"
 rich = "^13.7.1"
 Jinja2 = ">=3.1.5,<4.0.0"
-toml = "^0.10.2"
 pyyaml = "^6.0"
-tomlkit = "^0.12.4"
 openai = "^1.36.0" # TODO: relax to an earlier version that still has what we need
 arcadepy = "1.0.0rc1"
 pyjwt = "^2.8.0"
@@ -52,7 +50,6 @@ mypy = "^1.5.1"
 pre-commit = "^3.4.0"
 tox = "^4.11.1"
 pytest-asyncio = "^0.23.7"
-types-toml = "^0.10.8"
 types-pytz = "^2024.1"
 types-python-dateutil = "^2.8.2"
 types-PyYAML = "^6.0.0"
diff --git a/contrib/langchain/.gitignore b/contrib/langchain/.gitignore
index fedf7d5d..4865054a 100644
--- a/contrib/langchain/.gitignore
+++ b/contrib/langchain/.gitignore
@@ -1,6 +1,6 @@
 .DS_Store
-arcade.toml
-docker/arcade.toml
+credentials.yaml
+docker/credentials.yaml
 
 *.lock