diff --git a/xchange-core/src/main/java/org/knowm/xchange/dto/marketdata/OrderBook.java b/xchange-core/src/main/java/org/knowm/xchange/dto/marketdata/OrderBook.java
index 8f89d160d65..e7c8adabd3f 100644
--- a/xchange-core/src/main/java/org/knowm/xchange/dto/marketdata/OrderBook.java
+++ b/xchange-core/src/main/java/org/knowm/xchange/dto/marketdata/OrderBook.java
@@ -16,8 +16,6 @@
 import org.knowm.xchange.dto.Order.OrderType;
 import org.knowm.xchange.dto.trade.LimitOrder;
 import org.knowm.xchange.instrument.Instrument;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
 
 /** DTO representing the exchange order book */
 public final class OrderBook implements Serializable {