diff --git a/src/lean_spec/subspecs/node/helpers.py b/src/lean_spec/subspecs/node/helpers.py
deleted file mode 100644
index 8ffe6a83..00000000
--- a/src/lean_spec/subspecs/node/helpers.py
+++ /dev/null
@@ -1,26 +0,0 @@
-"""Helper functions for node operations."""
-
-from lean_spec.subspecs.containers.validator import ValidatorIndex
-
-
-def is_aggregator(
-    validator_id: ValidatorIndex | None,
-    node_is_aggregator: bool = False,
-) -> bool:
-    """
-    Determine if a validator is an aggregator.
-
-    A validator acts as an aggregator when:
-    1. The validator is active (validator_id is not None)
-    2. The node operator has enabled aggregator mode
-
-    Args:
-        validator_id: The index of the validator.
-        node_is_aggregator: Whether the node is configured as an aggregator.
-
-    Returns:
-        True if the validator should perform aggregation, False otherwise.
-    """
-    if validator_id is None:
-        return False
-    return node_is_aggregator