diff --git a/briar-api/src/main/java/org/briarproject/briar/api/remotewipe/RemoteWipeManager.java b/briar-api/src/main/java/org/briarproject/briar/api/remotewipe/RemoteWipeManager.java
index 8b97034ea..57c086ca5 100644
--- a/briar-api/src/main/java/org/briarproject/briar/api/remotewipe/RemoteWipeManager.java
+++ b/briar-api/src/main/java/org/briarproject/briar/api/remotewipe/RemoteWipeManager.java
@@ -59,11 +59,9 @@ public interface RemoteWipeManager extends ConversationManager.ConversationClien
 
 	List<ContactId> getWiperContactIds(Transaction txn);
 
-	void sendConfirmMessages(Transaction txn) throws DbException,
+	int sendConfirmMessages(Transaction txn) throws DbException,
 			FormatException;
 
-	void sleep();
-
 	@Override
 	Collection<ConversationMessageHeader> getMessageHeaders(
 			Transaction txn, ContactId contactId) throws DbException;