diff --git a/trainers/rewards/custom_rewards.py b/trainers/rewards/custom_rewards.py
index 54cf724..09faf58 100644
--- a/trainers/rewards/custom_rewards.py
+++ b/trainers/rewards/custom_rewards.py
@@ -44,6 +44,8 @@ def custom_reward_func(completions: List[str], **kwargs) -> List[float]:
         # - Check for specific patterns or keywords
         # - Validate output format
         # - Score based on custom criteria
+        _ = completion  # Placeholder use; replace with real scoring logic
+        _ = completion  # Placeholder use; replace with real scoring logic
         reward = 0.0  # Placeholder: currently returns 0.0
         rewards.append(reward)
     # =========================================