diff --git a/gittensor/validator/utils/datetime_utils.py b/gittensor/validator/utils/datetime_utils.py
index 6d8ef6c5..09b34f7b 100644
--- a/gittensor/validator/utils/datetime_utils.py
+++ b/gittensor/validator/utils/datetime_utils.py
@@ -2,13 +2,9 @@
 from datetime import datetime, timezone
 from typing import Optional
 
-import pytz
-
 from gittensor.constants import SECONDS_PER_HOUR
 from gittensor.validator.utils.load_weights import ResolvedTimeDecay
 
-CHICAGO_TZ = pytz.timezone('America/Chicago')
-
 
 def parse_github_iso_to_utc(timestamp_str: str) -> datetime:
     """Parse a GitHub-style ISO 8601 string to a timezone-aware UTC datetime.
@@ -34,14 +30,6 @@ def parse_optional_github_iso_to_utc(value: Optional[str]) -> Optional[datetime]
     return parse_github_iso_to_utc(value) if value else None
 
 
-def parse_github_timestamp_to_cst(timestamp_str: str) -> datetime:
-    """
-    Parse GitHub's ISO format timestamp and convert to Chicago timezone.
-    GitHub returns timestamps like: 2024-01-15T10:30:00Z
-    """
-    return parse_github_iso_to_utc(timestamp_str).astimezone(CHICAGO_TZ)
-
-
 def calculate_time_decay(merged_at: datetime, time_decay: ResolvedTimeDecay) -> float:
     """Calculate sigmoid-based time decay multiplier from a merge timestamp."""
     now = datetime.now(timezone.utc)