diff --git a/assignments/src/MV3500Cohort2019JulySeptember/homework4/Yurkovich/Yurk_EspduReceiver.java b/assignments/src/MV3500Cohort2019JulySeptember/homework4/Yurkovich/Yurk_EspduReceiver.java
index 6d7f7b6f1660b454ce60a5fc261079505ab19d5f..2783b68f3cdefe201ff525cc96f86036b7081b7c 100755
--- a/assignments/src/MV3500Cohort2019JulySeptember/homework4/Yurkovich/Yurk_EspduReceiver.java
+++ b/assignments/src/MV3500Cohort2019JulySeptember/homework4/Yurkovich/Yurk_EspduReceiver.java
@@ -4,7 +4,7 @@ import java.io.*;
 import java.net.*;
 import java.util.*;
 
-import edu.nps.moves.dis7.*;
+import edu.nps.moves.dis7.pdus.*;
 import edu.nps.moves.dis7.utilities.*;
 
 /**
diff --git a/assignments/src/MV3500Cohort2019JulySeptember/homework4/Yurkovich/Yurk_EspduSender.java b/assignments/src/MV3500Cohort2019JulySeptember/homework4/Yurkovich/Yurk_EspduSender.java
index 45d005b3af5f817fc4bee65d93eca8674545a44f..3cd8c5befe8559adbd79f8f16912760eed08ff26 100644
--- a/assignments/src/MV3500Cohort2019JulySeptember/homework4/Yurkovich/Yurk_EspduSender.java
+++ b/assignments/src/MV3500Cohort2019JulySeptember/homework4/Yurkovich/Yurk_EspduSender.java
@@ -4,11 +4,8 @@ import java.io.*;
 import java.net.*;
 import java.util.*;
 
-import edu.nps.moves.dis7.*;
+import edu.nps.moves.dis7.pdus.*;
 import edu.nps.moves.dis7.utilities.*;
-import edu.nps.moves.dis7.enumerations.Country;
-import edu.nps.moves.dis7.enumerations.EntityKind;
-import edu.nps.moves.dis7.enumerations.PlatformDomain;
 
 /**
  * Creates and sends ESPDUs in IEEE binary format. Adapted from OpenDIS library