diff --git a/core/chains/evm/gas/block_history_estimator.go b/core/chains/evm/gas/block_history_estimator.go
index aae8d043ccd..fcd0d627063 100644
--- a/core/chains/evm/gas/block_history_estimator.go
+++ b/core/chains/evm/gas/block_history_estimator.go
@@ -864,7 +864,7 @@ func (b *BlockHistoryEstimator) EffectiveGasPrice(block evmtypes.Block, tx evmty
 	case 0x2, 0x3:
 		return b.getEffectiveGasPrice(block, tx)
 	default:
-		b.logger.Warnw(fmt.Sprintf("Ignoring unknown transaction type %v", tx.Type), "block", block, "tx", tx)
+		b.logger.Debugw(fmt.Sprintf("Ignoring unknown transaction type %v", tx.Type), "block", block, "tx", tx)
 		return nil
 	}
 }
@@ -916,7 +916,7 @@ func (b *BlockHistoryEstimator) EffectiveTipCap(block evmtypes.Block, tx evmtype
 		}
 		return effectiveTipCap
 	default:
-		b.logger.Warnw(fmt.Sprintf("Ignoring unknown transaction type %v", tx.Type), "block", block, "tx", tx)
+		b.logger.Debugw(fmt.Sprintf("Ignoring unknown transaction type %v", tx.Type), "block", block, "tx", tx)
 		return nil
 	}
 }