diff --git a/briar-core/src/org/briarproject/clients/BdfIncomingMessageHook.java b/briar-core/src/org/briarproject/clients/BdfIncomingMessageHook.java
index 5380652c6d84dccb25ef4cab8c9a2ea837d5144d..e8d0b5e2f7e8633fba85b00d79e21af9ddd0847d 100644
--- a/briar-core/src/org/briarproject/clients/BdfIncomingMessageHook.java
+++ b/briar-core/src/org/briarproject/clients/BdfIncomingMessageHook.java
@@ -24,7 +24,7 @@ public abstract class BdfIncomingMessageHook implements IncomingMessageHook,
 	protected final MetadataParser metadataParser;
 
 	protected BdfIncomingMessageHook(ClientHelper clientHelper,
-			MetadataParser metadataParser, Clock clock) {
+			MetadataParser metadataParser) {
 		this.clientHelper = clientHelper;
 		this.metadataParser = metadataParser;
 	}
diff --git a/briar-core/src/org/briarproject/introduction/IntroductionManagerImpl.java b/briar-core/src/org/briarproject/introduction/IntroductionManagerImpl.java
index 97740b10acb6ab0c6b9705669c5215dd6cee4ed1..e5f918171b42ffee1af8a5e6121c281e4060727e 100644
--- a/briar-core/src/org/briarproject/introduction/IntroductionManagerImpl.java
+++ b/briar-core/src/org/briarproject/introduction/IntroductionManagerImpl.java
@@ -3,6 +3,7 @@ package org.briarproject.introduction;
 import org.briarproject.api.FormatException;
 import org.briarproject.api.clients.Client;
 import org.briarproject.api.clients.ClientHelper;
+import org.briarproject.api.clients.SessionId;
 import org.briarproject.api.contact.Contact;
 import org.briarproject.api.contact.ContactId;
 import org.briarproject.api.contact.ContactManager.AddContactHook;
@@ -20,14 +21,12 @@ import org.briarproject.api.introduction.IntroductionManager;
 import org.briarproject.api.introduction.IntroductionMessage;
 import org.briarproject.api.introduction.IntroductionRequest;
 import org.briarproject.api.introduction.IntroductionResponse;
-import org.briarproject.api.clients.SessionId;
 import org.briarproject.api.sync.ClientId;
 import org.briarproject.api.sync.Group;
 import org.briarproject.api.sync.GroupId;
 import org.briarproject.api.sync.Message;
 import org.briarproject.api.sync.MessageId;
 import org.briarproject.api.sync.MessageStatus;
-import org.briarproject.api.system.Clock;
 import org.briarproject.clients.BdfIncomingMessageHook;
 import org.briarproject.util.StringUtils;
 
@@ -93,12 +92,11 @@ class IntroductionManagerImpl extends BdfIncomingMessageHook
 
 	@Inject
 	IntroductionManagerImpl(DatabaseComponent db, ClientHelper clientHelper,
-			MetadataParser metadataParser, Clock clock,
-			IntroducerManager introducerManager,
+			MetadataParser metadataParser, IntroducerManager introducerManager,
 			IntroduceeManager introduceeManager,
 			IntroductionGroupFactory introductionGroupFactory) {
 
-		super(clientHelper, metadataParser, clock);
+		super(clientHelper, metadataParser);
 		this.db = db;
 		this.introducerManager = introducerManager;
 		this.introduceeManager = introduceeManager;
diff --git a/briar-tests/src/org/briarproject/introduction/IntroductionManagerImplTest.java b/briar-tests/src/org/briarproject/introduction/IntroductionManagerImplTest.java
index fac0b0b32dbf483210e28468518613084069c53d..2b3bde49fb13e68d99e6a4ba6a0b8429cc5adf2c 100644
--- a/briar-tests/src/org/briarproject/introduction/IntroductionManagerImplTest.java
+++ b/briar-tests/src/org/briarproject/introduction/IntroductionManagerImplTest.java
@@ -118,7 +118,7 @@ public class IntroductionManagerImplTest extends BriarTestCase {
 		clock = context.mock(Clock.class);
 
 		introductionManager = new IntroductionManagerImpl(
-				db, clientHelper, metadataParser, clock, introducerManager,
+				db, clientHelper, metadataParser, introducerManager,
 				introduceeManager, introductionGroupFactory
 		);
 	}