diff --git a/ipaacalib/java/src/ipaaca/util/communication/FutureIUs.java b/ipaacalib/java/src/ipaaca/util/communication/FutureIUs.java
index 298e7b920045fd41c3516c395c05bb15b58c5e39..30241e5d2b484d121e43237a74a6fee4b2f41704 100644
--- a/ipaacalib/java/src/ipaaca/util/communication/FutureIUs.java
+++ b/ipaacalib/java/src/ipaaca/util/communication/FutureIUs.java
@@ -7,7 +7,6 @@ import java.util.concurrent.ArrayBlockingQueue;
 import java.util.concurrent.BlockingQueue;
 import java.util.concurrent.TimeUnit;
 
-import com.google.common.collect.ImmutableList;
 import com.google.common.collect.ImmutableSet;
 
 import ipaaca.AbstractIU;