diff --git a/core/api/src/main/java/org/onosproject/net/flow/criteria/IPDscpCriterion.java b/core/api/src/main/java/org/onosproject/net/flow/criteria/IPDscpCriterion.java
index 8634aa6..f2825cb 100644
--- a/core/api/src/main/java/org/onosproject/net/flow/criteria/IPDscpCriterion.java
+++ b/core/api/src/main/java/org/onosproject/net/flow/criteria/IPDscpCriterion.java
@@ -17,8 +17,6 @@
 
 import java.util.Objects;
 
-import static com.google.common.base.MoreObjects.toStringHelper;
-
 /**
  * Implementation of IP DSCP (Differentiated Services Code Point)
  * criterion (6 bits).
@@ -52,8 +50,7 @@
 
     @Override
     public String toString() {
-        return toStringHelper(type().toString())
-            .add("ipDscp", Long.toHexString(ipDscp)).toString();
+        return type().toString() + SEPARATOR + Long.toHexString(ipDscp);
     }
 
     @Override