diff --git a/assignments/src/MV3500Cohort2022MayJune/projects/Royer/TwoCranesBerth/src/dockyard/PDUSpitter.java b/assignments/src/MV3500Cohort2022MayJune/projects/Royer/TwoCranesBerth/src/dockyard/PDUSpitter.java
index e763606db08410999fbd1584ccd98dd998102961..ab8c0087d33acfdc1482c853cdca829c5b7a714e 100644
--- a/assignments/src/MV3500Cohort2022MayJune/projects/Royer/TwoCranesBerth/src/dockyard/PDUSpitter.java
+++ b/assignments/src/MV3500Cohort2022MayJune/projects/Royer/TwoCranesBerth/src/dockyard/PDUSpitter.java
@@ -4,18 +4,16 @@
  * and open the template in the editor.
  */
 package dockyard;
-import edu.nps.moves.dis7.enumerations.DisPduType;
 import edu.nps.moves.dis7.enumerations.PlatformDomain;
 import edu.nps.moves.dis7.enumerations.VariableRecordType;
-import edu.nps.moves.dis7.pdus.EntityID;
-import edu.nps.moves.dis7.pdus.EntityStatePdu;
 import edu.nps.moves.dis7.pdus.*;
 import edu.nps.moves.dis7.utilities.DisChannel;
 import edu.nps.moves.dis7.utilities.PduFactory;
-import edu.nps.moves.disenum.EntityKind;
-import edu.nps.moves.disenum.PlatformSurface;
-import java.util.List;
 import java.util.ArrayList;
+import java.util.List;
+// fix imports: do not use opendis4 enumerations
+// import edu.nps.moves.disenum.EntityKind;
+// import edu.nps.moves.disenum.PlatformSurface;
 
 /**
  *