diff --git a/bramble-api/src/main/java/org/briarproject/bramble/api/db/DatabaseComponent.java b/bramble-api/src/main/java/org/briarproject/bramble/api/db/DatabaseComponent.java
index 123ce4396f9b0d1e08a7c888792e5bca4cd304f7..be4aba0cfcdf12eb37b5fd074e7f8c7e2766f5c9 100644
--- a/bramble-api/src/main/java/org/briarproject/bramble/api/db/DatabaseComponent.java
+++ b/bramble-api/src/main/java/org/briarproject/bramble/api/db/DatabaseComponent.java
@@ -259,31 +259,30 @@ public interface DatabaseComponent {
 	Collection<LocalAuthor> getLocalAuthors(Transaction txn) throws DbException;
 
 	/**
-	 * Returns the IDs of any messages that need to be validated by the given
-	 * client.
+	 * Returns the IDs of any messages that need to be validated.
 	 * <p/>
 	 * Read-only.
 	 */
-	Collection<MessageId> getMessagesToValidate(Transaction txn, ClientId c)
+	Collection<MessageId> getMessagesToValidate(Transaction txn)
 			throws DbException;
 
 	/**
-	 * Returns the IDs of any messages that are valid but pending delivery due
-	 * to dependencies on other messages for the given client.
+	 * Returns the IDs of any messages that are pending delivery due to
+	 * dependencies on other messages.
 	 * <p/>
 	 * Read-only.
 	 */
-	Collection<MessageId> getPendingMessages(Transaction txn, ClientId c)
+	Collection<MessageId> getPendingMessages(Transaction txn)
 			throws DbException;
 
 	/**
-	 * Returns the IDs of any messages from the given client
-	 * that have a shared dependent, but are still not shared themselves.
+	 * Returns the IDs of any messages that have shared dependents but have
+	 * not yet been shared themselves.
 	 * <p/>
 	 * Read-only.
 	 */
-	Collection<MessageId> getMessagesToShare(Transaction txn,
-			ClientId c) throws DbException;
+	Collection<MessageId> getMessagesToShare(Transaction txn)
+			throws DbException;
 
 	/**
 	 * Returns the message with the given ID, in serialised form, or null if
diff --git a/bramble-core/src/main/java/org/briarproject/bramble/db/Database.java b/bramble-core/src/main/java/org/briarproject/bramble/db/Database.java
index 0a6e54fbd85d47b5417444ab5b0c2b0513004289..28666f9a3231ef7c2551fa292e5e4f285a7d209c 100644
--- a/bramble-core/src/main/java/org/briarproject/bramble/db/Database.java
+++ b/bramble-core/src/main/java/org/briarproject/bramble/db/Database.java
@@ -424,31 +424,27 @@ interface Database<T> {
 			throws DbException;
 
 	/**
-	 * Returns the IDs of any messages that need to be validated by the given
-	 * client.
+	 * Returns the IDs of any messages that need to be validated.
 	 * <p/>
 	 * Read-only.
 	 */
-	Collection<MessageId> getMessagesToValidate(T txn, ClientId c)
-			throws DbException;
+	Collection<MessageId> getMessagesToValidate(T txn) throws DbException;
 
 	/**
-	 * Returns the IDs of any messages that are still pending due to
-	 * dependencies to other messages for the given client.
+	 * Returns the IDs of any messages that are pending delivery due to
+	 * dependencies on other messages.
 	 * <p/>
 	 * Read-only.
 	 */
-	Collection<MessageId> getPendingMessages(T txn, ClientId c)
-			throws DbException;
+	Collection<MessageId> getPendingMessages(T txn) throws DbException;
 
 	/**
-	 * Returns the IDs of any messages from the given client
-	 * that have a shared dependent, but are still not shared themselves.
+	 * Returns the IDs of any messages that have a shared dependent but have
+	 * not yet been shared themselves.
 	 * <p/>
 	 * Read-only.
 	 */
-	Collection<MessageId> getMessagesToShare(T txn, ClientId c)
-			throws DbException;
+	Collection<MessageId> getMessagesToShare(T txn) throws DbException;
 
 	/**
 	 * Returns the next time (in milliseconds since the Unix epoch) when a
diff --git a/bramble-core/src/main/java/org/briarproject/bramble/db/DatabaseComponentImpl.java b/bramble-core/src/main/java/org/briarproject/bramble/db/DatabaseComponentImpl.java
index 5809c09eef279fb8b284c31bfb5b049027d28a57..c97a63a611c3f868627cb92fbc3a924d94371bf1 100644
--- a/bramble-core/src/main/java/org/briarproject/bramble/db/DatabaseComponentImpl.java
+++ b/bramble-core/src/main/java/org/briarproject/bramble/db/DatabaseComponentImpl.java
@@ -455,24 +455,24 @@ class DatabaseComponentImpl<T> implements DatabaseComponent {
 	}
 
 	@Override
-	public Collection<MessageId> getMessagesToValidate(Transaction transaction,
-			ClientId c) throws DbException {
+	public Collection<MessageId> getMessagesToValidate(Transaction transaction)
+			throws DbException {
 		T txn = unbox(transaction);
-		return db.getMessagesToValidate(txn, c);
+		return db.getMessagesToValidate(txn);
 	}
 
 	@Override
-	public Collection<MessageId> getPendingMessages(Transaction transaction,
-			ClientId c) throws DbException {
+	public Collection<MessageId> getPendingMessages(Transaction transaction)
+			throws DbException {
 		T txn = unbox(transaction);
-		return db.getPendingMessages(txn, c);
+		return db.getPendingMessages(txn);
 	}
 
 	@Override
-	public Collection<MessageId> getMessagesToShare(
-			Transaction transaction, ClientId c) throws DbException {
+	public Collection<MessageId> getMessagesToShare(Transaction transaction)
+			throws DbException {
 		T txn = unbox(transaction);
-		return db.getMessagesToShare(txn, c);
+		return db.getMessagesToShare(txn);
 	}
 
 	@Nullable
@@ -573,7 +573,7 @@ class DatabaseComponentImpl<T> implements DatabaseComponent {
 
 	@Override
 	public long getNextSendTime(Transaction transaction, ContactId c)
-		throws DbException {
+			throws DbException {
 		T txn = unbox(transaction);
 		return db.getNextSendTime(txn, c);
 	}
diff --git a/bramble-core/src/main/java/org/briarproject/bramble/db/JdbcDatabase.java b/bramble-core/src/main/java/org/briarproject/bramble/db/JdbcDatabase.java
index e71f30c587215dda0cd8510981258e5fdc94c548..02f2876b0edd4f73fb27e8fa3f7f4ff96f267ea5 100644
--- a/bramble-core/src/main/java/org/briarproject/bramble/db/JdbcDatabase.java
+++ b/bramble-core/src/main/java/org/briarproject/bramble/db/JdbcDatabase.java
@@ -1868,28 +1868,26 @@ abstract class JdbcDatabase implements Database<Connection> {
 	}
 
 	@Override
-	public Collection<MessageId> getMessagesToValidate(Connection txn,
-			ClientId c) throws DbException {
-		return getMessagesInState(txn, c, UNKNOWN);
+	public Collection<MessageId> getMessagesToValidate(Connection txn)
+			throws DbException {
+		return getMessagesInState(txn, UNKNOWN);
 	}
 
 	@Override
-	public Collection<MessageId> getPendingMessages(Connection txn,
-			ClientId c) throws DbException {
-		return getMessagesInState(txn, c, PENDING);
+	public Collection<MessageId> getPendingMessages(Connection txn)
+			throws DbException {
+		return getMessagesInState(txn, PENDING);
 	}
 
-	private Collection<MessageId> getMessagesInState(Connection txn, ClientId c,
+	private Collection<MessageId> getMessagesInState(Connection txn,
 			State state) throws DbException {
 		PreparedStatement ps = null;
 		ResultSet rs = null;
 		try {
-			String sql = "SELECT messageId FROM messages AS m"
-					+ " JOIN groups AS g ON m.groupId = g.groupId"
-					+ " WHERE state = ? AND clientId = ? AND raw IS NOT NULL";
+			String sql = "SELECT messageId FROM messages"
+					+ " WHERE state = ? AND raw IS NOT NULL";
 			ps = txn.prepareStatement(sql);
 			ps.setInt(1, state.getValue());
-			ps.setString(2, c.getString());
 			rs = ps.executeQuery();
 			List<MessageId> ids = new ArrayList<>();
 			while (rs.next()) ids.add(new MessageId(rs.getBytes(1)));
@@ -1904,7 +1902,7 @@ abstract class JdbcDatabase implements Database<Connection> {
 	}
 
 	@Override
-	public Collection<MessageId> getMessagesToShare(Connection txn, ClientId c)
+	public Collection<MessageId> getMessagesToShare(Connection txn)
 			throws DbException {
 		PreparedStatement ps = null;
 		ResultSet rs = null;
@@ -1914,12 +1912,10 @@ abstract class JdbcDatabase implements Database<Connection> {
 					+ " ON m.messageId = d.dependencyId"
 					+ " JOIN messages AS m1"
 					+ " ON d.messageId = m1.messageId"
-					+ " JOIN groups AS g"
-					+ " ON m.groupId = g.groupId"
-					+ " WHERE m.shared = FALSE AND m1.shared = TRUE"
-					+ " AND g.clientId = ?";
+					+ " WHERE m.state = ?"
+					+ " AND m.shared = FALSE AND m1.shared = TRUE";
 			ps = txn.prepareStatement(sql);
-			ps.setString(1, c.getString());
+			ps.setInt(1, DELIVERED.getValue());
 			rs = ps.executeQuery();
 			List<MessageId> ids = new ArrayList<>();
 			while (rs.next()) ids.add(new MessageId(rs.getBytes(1)));
diff --git a/bramble-core/src/main/java/org/briarproject/bramble/sync/ValidationManagerImpl.java b/bramble-core/src/main/java/org/briarproject/bramble/sync/ValidationManagerImpl.java
index 3184a11082f97dacd3266fa2c599a6e96ee2f8e8..a9c79c33215ca42702a6fed86fbff31429adc527 100644
--- a/bramble-core/src/main/java/org/briarproject/bramble/sync/ValidationManagerImpl.java
+++ b/bramble-core/src/main/java/org/briarproject/bramble/sync/ValidationManagerImpl.java
@@ -71,11 +71,9 @@ class ValidationManagerImpl implements ValidationManager, Service,
 	@Override
 	public void startService() {
 		if (used.getAndSet(true)) throw new IllegalStateException();
-		for (ClientId c : validators.keySet()) {
-			validateOutstandingMessagesAsync(c);
-			deliverOutstandingMessagesAsync(c);
-			shareOutstandingMessagesAsync(c);
-		}
+		validateOutstandingMessagesAsync();
+		deliverOutstandingMessagesAsync();
+		shareOutstandingMessagesAsync();
 	}
 
 	@Override
@@ -93,17 +91,17 @@ class ValidationManagerImpl implements ValidationManager, Service,
 		hooks.put(c, hook);
 	}
 
-	private void validateOutstandingMessagesAsync(ClientId c) {
-		dbExecutor.execute(() -> validateOutstandingMessages(c));
+	private void validateOutstandingMessagesAsync() {
+		dbExecutor.execute(this::validateOutstandingMessages);
 	}
 
 	@DatabaseExecutor
-	private void validateOutstandingMessages(ClientId c) {
+	private void validateOutstandingMessages() {
 		try {
 			Queue<MessageId> unvalidated = new LinkedList<>();
 			Transaction txn = db.startTransaction(true);
 			try {
-				unvalidated.addAll(db.getMessagesToValidate(txn, c));
+				unvalidated.addAll(db.getMessagesToValidate(txn));
 				db.commitTransaction(txn);
 			} finally {
 				db.endTransaction(txn);
@@ -148,17 +146,17 @@ class ValidationManagerImpl implements ValidationManager, Service,
 		}
 	}
 
-	private void deliverOutstandingMessagesAsync(ClientId c) {
-		dbExecutor.execute(() -> deliverOutstandingMessages(c));
+	private void deliverOutstandingMessagesAsync() {
+		dbExecutor.execute(this::deliverOutstandingMessages);
 	}
 
 	@DatabaseExecutor
-	private void deliverOutstandingMessages(ClientId c) {
+	private void deliverOutstandingMessages() {
 		try {
 			Queue<MessageId> pending = new LinkedList<>();
 			Transaction txn = db.startTransaction(true);
 			try {
-				pending.addAll(db.getPendingMessages(txn, c));
+				pending.addAll(db.getPendingMessages(txn));
 				db.commitTransaction(txn);
 			} finally {
 				db.endTransaction(txn);
@@ -353,17 +351,17 @@ class ValidationManagerImpl implements ValidationManager, Service,
 		return pending;
 	}
 
-	private void shareOutstandingMessagesAsync(ClientId c) {
-		dbExecutor.execute(() -> shareOutstandingMessages(c));
+	private void shareOutstandingMessagesAsync() {
+		dbExecutor.execute(this::shareOutstandingMessages);
 	}
 
 	@DatabaseExecutor
-	private void shareOutstandingMessages(ClientId c) {
+	private void shareOutstandingMessages() {
 		try {
 			Queue<MessageId> toShare = new LinkedList<>();
 			Transaction txn = db.startTransaction(true);
 			try {
-				toShare.addAll(db.getMessagesToShare(txn, c));
+				toShare.addAll(db.getMessagesToShare(txn));
 				db.commitTransaction(txn);
 			} finally {
 				db.endTransaction(txn);
diff --git a/bramble-core/src/test/java/org/briarproject/bramble/db/DatabasePerformanceTest.java b/bramble-core/src/test/java/org/briarproject/bramble/db/DatabasePerformanceTest.java
index 8424c0fec074e6311a28becaf85444d70700011f..df308cd7fdec81530272925ba624d51db5d9fec7 100644
--- a/bramble-core/src/test/java/org/briarproject/bramble/db/DatabasePerformanceTest.java
+++ b/bramble-core/src/test/java/org/briarproject/bramble/db/DatabasePerformanceTest.java
@@ -477,30 +477,30 @@ public abstract class DatabasePerformanceTest extends BrambleTestCase {
 
 	@Test
 	public void testGetMessagesToShare() throws Exception {
-		String name = "getMessagesToShare(T, ClientId)";
+		String name = "getMessagesToShare(T)";
 		benchmark(name, db -> {
 			Connection txn = db.startTransaction();
-			db.getMessagesToShare(txn, pickRandom(clientIds));
+			db.getMessagesToShare(txn);
 			db.commitTransaction(txn);
 		});
 	}
 
 	@Test
 	public void testGetMessagesToValidate() throws Exception {
-		String name = "getMessagesToValidate(T, ClientId)";
+		String name = "getMessagesToValidate(T)";
 		benchmark(name, db -> {
 			Connection txn = db.startTransaction();
-			db.getMessagesToValidate(txn, pickRandom(clientIds));
+			db.getMessagesToValidate(txn);
 			db.commitTransaction(txn);
 		});
 	}
 
 	@Test
 	public void testGetPendingMessages() throws Exception {
-		String name = "getPendingMessages(T, ClientId)";
+		String name = "getPendingMessages(T)";
 		benchmark(name, db -> {
 			Connection txn = db.startTransaction();
-			db.getPendingMessages(txn, pickRandom(clientIds));
+			db.getPendingMessages(txn);
 			db.commitTransaction(txn);
 		});
 	}
diff --git a/bramble-core/src/test/java/org/briarproject/bramble/db/JdbcDatabaseTest.java b/bramble-core/src/test/java/org/briarproject/bramble/db/JdbcDatabaseTest.java
index 81d1c902578e1eaa6f7b6e3ba84fda69ad9a5b0a..c21d5b26a4bd050b387a8a0f07cee7b9dfadc0d9 100644
--- a/bramble-core/src/test/java/org/briarproject/bramble/db/JdbcDatabaseTest.java
+++ b/bramble-core/src/test/java/org/briarproject/bramble/db/JdbcDatabaseTest.java
@@ -1376,12 +1376,12 @@ public abstract class JdbcDatabaseTest extends BrambleTestCase {
 		Collection<MessageId> result;
 
 		// Retrieve messages to be validated
-		result = db.getMessagesToValidate(txn, clientId);
+		result = db.getMessagesToValidate(txn);
 		assertEquals(1, result.size());
 		assertTrue(result.contains(mId1));
 
 		// Retrieve pending messages
-		result = db.getPendingMessages(txn, clientId);
+		result = db.getPendingMessages(txn);
 		assertEquals(1, result.size());
 		assertTrue(result.contains(mId3));
 
@@ -1416,8 +1416,7 @@ public abstract class JdbcDatabaseTest extends BrambleTestCase {
 		db.addMessageDependency(txn, groupId, mId4, mId3);
 
 		// Retrieve messages to be shared
-		Collection<MessageId> result =
-				db.getMessagesToShare(txn, clientId);
+		Collection<MessageId> result = db.getMessagesToShare(txn);
 		assertEquals(2, result.size());
 		assertTrue(result.contains(mId2));
 		assertTrue(result.contains(mId3));
diff --git a/bramble-core/src/test/java/org/briarproject/bramble/sync/ValidationManagerImplTest.java b/bramble-core/src/test/java/org/briarproject/bramble/sync/ValidationManagerImplTest.java
index c2285bd5f61694f9feca500ccf2e272141e3f88d..cf6b73fa028eb9adf465eb0debbe2e76dc1d78b5 100644
--- a/bramble-core/src/test/java/org/briarproject/bramble/sync/ValidationManagerImplTest.java
+++ b/bramble-core/src/test/java/org/briarproject/bramble/sync/ValidationManagerImplTest.java
@@ -100,21 +100,21 @@ public class ValidationManagerImplTest extends BrambleMockTestCase {
 			// validateOutstandingMessages()
 			oneOf(db).startTransaction(true);
 			will(returnValue(txn));
-			oneOf(db).getMessagesToValidate(txn, clientId);
+			oneOf(db).getMessagesToValidate(txn);
 			will(returnValue(Collections.emptyList()));
 			oneOf(db).commitTransaction(txn);
 			oneOf(db).endTransaction(txn);
 			// deliverOutstandingMessages()
 			oneOf(db).startTransaction(true);
 			will(returnValue(txn1));
-			oneOf(db).getPendingMessages(txn1, clientId);
+			oneOf(db).getPendingMessages(txn1);
 			will(returnValue(Collections.emptyList()));
 			oneOf(db).commitTransaction(txn1);
 			oneOf(db).endTransaction(txn1);
 			// shareOutstandingMessages()
 			oneOf(db).startTransaction(true);
 			will(returnValue(txn2));
-			oneOf(db).getMessagesToShare(txn2, clientId);
+			oneOf(db).getMessagesToShare(txn2);
 			will(returnValue(Collections.emptyList()));
 			oneOf(db).commitTransaction(txn2);
 			oneOf(db).endTransaction(txn2);
@@ -138,7 +138,7 @@ public class ValidationManagerImplTest extends BrambleMockTestCase {
 			// Get messages to validate
 			oneOf(db).startTransaction(true);
 			will(returnValue(txn));
-			oneOf(db).getMessagesToValidate(txn, clientId);
+			oneOf(db).getMessagesToValidate(txn);
 			will(returnValue(Arrays.asList(messageId, messageId1)));
 			oneOf(db).commitTransaction(txn);
 			oneOf(db).endTransaction(txn);
@@ -199,14 +199,14 @@ public class ValidationManagerImplTest extends BrambleMockTestCase {
 			// Get pending messages to deliver
 			oneOf(db).startTransaction(true);
 			will(returnValue(txn5));
-			oneOf(db).getPendingMessages(txn5, clientId);
+			oneOf(db).getPendingMessages(txn5);
 			will(returnValue(Collections.emptyList()));
 			oneOf(db).commitTransaction(txn5);
 			oneOf(db).endTransaction(txn5);
 			// Get messages to share
 			oneOf(db).startTransaction(true);
 			will(returnValue(txn6));
-			oneOf(db).getMessagesToShare(txn6, clientId);
+			oneOf(db).getMessagesToShare(txn6);
 			will(returnValue(Collections.emptyList()));
 			oneOf(db).commitTransaction(txn6);
 			oneOf(db).endTransaction(txn6);
@@ -227,14 +227,14 @@ public class ValidationManagerImplTest extends BrambleMockTestCase {
 			// Get messages to validate
 			oneOf(db).startTransaction(true);
 			will(returnValue(txn));
-			oneOf(db).getMessagesToValidate(txn, clientId);
+			oneOf(db).getMessagesToValidate(txn);
 			will(returnValue(Collections.emptyList()));
 			oneOf(db).commitTransaction(txn);
 			oneOf(db).endTransaction(txn);
 			// Get pending messages to deliver
 			oneOf(db).startTransaction(true);
 			will(returnValue(txn1));
-			oneOf(db).getPendingMessages(txn1, clientId);
+			oneOf(db).getPendingMessages(txn1);
 			will(returnValue(Collections.singletonList(messageId)));
 			oneOf(db).commitTransaction(txn1);
 			oneOf(db).endTransaction(txn1);
@@ -292,7 +292,7 @@ public class ValidationManagerImplTest extends BrambleMockTestCase {
 			// Get messages to share
 			oneOf(db).startTransaction(true);
 			will(returnValue(txn4));
-			oneOf(db).getMessagesToShare(txn4, clientId);
+			oneOf(db).getMessagesToShare(txn4);
 			will(returnValue(Collections.emptyList()));
 			oneOf(db).commitTransaction(txn4);
 			oneOf(db).endTransaction(txn4);
@@ -313,14 +313,14 @@ public class ValidationManagerImplTest extends BrambleMockTestCase {
 			// No messages to validate
 			oneOf(db).startTransaction(true);
 			will(returnValue(txn));
-			oneOf(db).getMessagesToValidate(txn, clientId);
+			oneOf(db).getMessagesToValidate(txn);
 			will(returnValue(Collections.emptyList()));
 			oneOf(db).commitTransaction(txn);
 			oneOf(db).endTransaction(txn);
 			// No pending messages to deliver
 			oneOf(db).startTransaction(true);
 			will(returnValue(txn1));
-			oneOf(db).getPendingMessages(txn1, clientId);
+			oneOf(db).getPendingMessages(txn1);
 			will(returnValue(Collections.emptyList()));
 			oneOf(db).commitTransaction(txn1);
 			oneOf(db).endTransaction(txn1);
@@ -328,7 +328,7 @@ public class ValidationManagerImplTest extends BrambleMockTestCase {
 			// Get messages to share
 			oneOf(db).startTransaction(true);
 			will(returnValue(txn2));
-			oneOf(db).getMessagesToShare(txn2, clientId);
+			oneOf(db).getMessagesToShare(txn2);
 			will(returnValue(Collections.singletonList(messageId)));
 			oneOf(db).commitTransaction(txn2);
 			oneOf(db).endTransaction(txn2);
@@ -416,7 +416,7 @@ public class ValidationManagerImplTest extends BrambleMockTestCase {
 			// Get messages to validate
 			oneOf(db).startTransaction(true);
 			will(returnValue(txn));
-			oneOf(db).getMessagesToValidate(txn, clientId);
+			oneOf(db).getMessagesToValidate(txn);
 			will(returnValue(Arrays.asList(messageId, messageId1)));
 			oneOf(db).commitTransaction(txn);
 			oneOf(db).endTransaction(txn);
@@ -457,14 +457,14 @@ public class ValidationManagerImplTest extends BrambleMockTestCase {
 			// Get pending messages to deliver
 			oneOf(db).startTransaction(true);
 			will(returnValue(txn4));
-			oneOf(db).getPendingMessages(txn4, clientId);
+			oneOf(db).getPendingMessages(txn4);
 			will(returnValue(Collections.emptyList()));
 			oneOf(db).commitTransaction(txn4);
 			oneOf(db).endTransaction(txn4);
 			// Get messages to share
 			oneOf(db).startTransaction(true);
 			will(returnValue(txn5));
-			oneOf(db).getMessagesToShare(txn5, clientId);
+			oneOf(db).getMessagesToShare(txn5);
 			will(returnValue(Collections.emptyList()));
 			oneOf(db).commitTransaction(txn5);
 			oneOf(db).endTransaction(txn5);
@@ -487,7 +487,7 @@ public class ValidationManagerImplTest extends BrambleMockTestCase {
 			// Get messages to validate
 			oneOf(db).startTransaction(true);
 			will(returnValue(txn));
-			oneOf(db).getMessagesToValidate(txn, clientId);
+			oneOf(db).getMessagesToValidate(txn);
 			will(returnValue(Arrays.asList(messageId, messageId1)));
 			oneOf(db).commitTransaction(txn);
 			oneOf(db).endTransaction(txn);
@@ -533,14 +533,14 @@ public class ValidationManagerImplTest extends BrambleMockTestCase {
 			// Get pending messages to deliver
 			oneOf(db).startTransaction(true);
 			will(returnValue(txn4));
-			oneOf(db).getPendingMessages(txn4, clientId);
+			oneOf(db).getPendingMessages(txn4);
 			will(returnValue(Collections.emptyList()));
 			oneOf(db).commitTransaction(txn4);
 			oneOf(db).endTransaction(txn4);
 			// Get messages to share
 			oneOf(db).startTransaction(true);
 			will(returnValue(txn5));
-			oneOf(db).getMessagesToShare(txn5, clientId);
+			oneOf(db).getMessagesToShare(txn5);
 			will(returnValue(Collections.emptyList()));
 			oneOf(db).commitTransaction(txn5);
 			oneOf(db).endTransaction(txn5);