diff --git a/src/sumo/wrapper/_request_error.py b/src/sumo/wrapper/_request_error.py
deleted file mode 100644
index c1bcdbe..0000000
--- a/src/sumo/wrapper/_request_error.py
+++ /dev/null
@@ -1,57 +0,0 @@
-class RequestError(Exception):
-    def __init__(self, code, message):
-        self.code = code
-        self.message = message
-
-    def __str__(self):
-        return (
-            f"Request Error with status code {self.code} "
-            f"and text {self.message}"
-        )
-
-
-class AuthenticationError(RequestError):
-    def __init__(self, code, message):
-        super().__init__(code, message)
-
-    def __str__(self):
-        return (
-            f"Authentication failed with status code {self.code} "
-            f"and text {self.message}."
-        )
-
-
-class TransientError(RequestError):
-    def __init__(self, code, message):
-        super().__init__(code, message)
-
-    def __str__(self):
-        return (
-            f"Transient Error with status code {self.code} "
-            f"and text {self.message}."
-        )
-
-
-class PermanentError(RequestError):
-    def __init__(self, code, message):
-        super().__init__(code, message)
-
-    def __str__(self):
-        return (
-            f"Fatal Request Error with status code {self.code} "
-            f"and text {self.message}."
-        )
-
-
-def raise_request_error_exception(code, message):
-    """
-    Raise the proper authentication error
-    according to the code received from sumo.
-    """
-
-    if 502 <= code <= 504 or code == 404 or code == 500:
-        raise TransientError(code, message)
-    elif 401 <= code <= 403:
-        raise AuthenticationError(code, message)
-    else:
-        raise PermanentError(code, message)