diff --git a/blockchain/proof_of_stake.py b/blockchain/proof_of_stake.py
deleted file mode 100644
index b988bfe2f..000000000
--- a/blockchain/proof_of_stake.py
+++ /dev/null
@@ -1,40 +0,0 @@
-import random
-
-
-class Validator:
-    def __init__(self, name: str, stake: int) -> None:
-        """
-        Initializes a new validator with a given name and stake.
-
-        Args:
-            name (str): The name of the validator.
-            stake (int): The amount of stake the validator has.
-        """
-        self.name = name
-        self.stake = stake
-
-
-def choose_validator(validators: list[Validator]) -> Validator:
-    """
-    Selects a validator to create the next block based on the weight of their stake.
-
-    The higher the stake, the greater the chance to be selected.
-
-    Args:
-        validators (list[Validator]): A list of Validator objects.
-
-    Returns:
-        Validator: The selected validator based on weighted random selection.
-
-    Example:
-        >>> validators = [Validator("Alice", 50), Validator("Bob", 30), Validator("Charlie", 20)]
-        >>> chosen = choose_validator(validators)
-        >>> isinstance(chosen, Validator)
-        True
-    """
-    total_stake = sum(v.stake for v in validators)
-    weighted_validators = [(v, v.stake / total_stake) for v in validators]
-    selected = random.choices(
-        [v[0] for v in weighted_validators], weights=[v[1] for v in weighted_validators]
-    )
-    return selected[0]