diff --git a/java/src/main/java/org/signal/libsignal/metadata/protocol/UnidentifiedSenderMessage.java b/java/src/main/java/org/signal/libsignal/metadata/protocol/UnidentifiedSenderMessage.java
index 2bb78bf..445eb39 100644
--- a/java/src/main/java/org/signal/libsignal/metadata/protocol/UnidentifiedSenderMessage.java
+++ b/java/src/main/java/org/signal/libsignal/metadata/protocol/UnidentifiedSenderMessage.java
@@ -4,7 +4,6 @@ package org.signal.libsignal.metadata.protocol;
 import com.google.protobuf.ByteString;
 import com.google.protobuf.InvalidProtocolBufferException;
 
-import org.omg.CORBA.DynAnyPackage.Invalid;
 import org.signal.libsignal.metadata.InvalidMetadataMessageException;
 import org.signal.libsignal.metadata.InvalidMetadataVersionException;
 import org.signal.libsignal.metadata.SignalProtos;