diff --git a/src/java/com/threerings/bureau/server/BureauRegistry.java b/src/java/com/threerings/bureau/server/BureauRegistry.java
index d1693da97..8c72d18d4 100644
--- a/src/java/com/threerings/bureau/server/BureauRegistry.java
+++ b/src/java/com/threerings/bureau/server/BureauRegistry.java
@@ -121,7 +121,7 @@ public class BureauRegistry
         }), BureauCodes.BUREAU_GROUP);
         conmgr.addChainedAuthenticator(new ServiceAuthenticator<BureauCredentials>(
                                            BureauCredentials.class, BureauAuthName.class) {
-            protected boolean areValid (BureauCredentials creds) {
+            @Override protected boolean areValid (BureauCredentials creds) {
                 return checkToken(creds) == null;
             }
         });
diff --git a/src/java/com/threerings/crowd/server/CrowdServer.java b/src/java/com/threerings/crowd/server/CrowdServer.java
index 8b77d4aea..eb4a60be9 100644
--- a/src/java/com/threerings/crowd/server/CrowdServer.java
+++ b/src/java/com/threerings/crowd/server/CrowdServer.java
@@ -64,9 +64,11 @@ public class CrowdServer extends PresentsServer
 
         // configure the client manager to use our bits
         _clmgr.setDefaultSessionFactory(new SessionFactory() {
+            @Override
             public Class<? extends PresentsSession> getSessionClass (AuthRequest areq) {
                 return CrowdSession.class;
             }
+            @Override
             public Class<? extends ClientResolver> getClientResolverClass (Name username) {
                 return CrowdClientResolver.class;
             }
diff --git a/src/java/com/threerings/presents/peer/server/PeerManager.java b/src/java/com/threerings/presents/peer/server/PeerManager.java
index 97e3b7539..5d433b07e 100644
--- a/src/java/com/threerings/presents/peer/server/PeerManager.java
+++ b/src/java/com/threerings/presents/peer/server/PeerManager.java
@@ -239,7 +239,7 @@ public abstract class PeerManager
         // wire ourselves into the server
         _conmgr.addChainedAuthenticator(
             new ServiceAuthenticator<PeerCreds>(PeerCreds.class, PeerAuthName.class) {
-            protected boolean areValid (PeerCreds creds) {
+            @Override protected boolean areValid (PeerCreds creds) {
                 return creds.areValid(_sharedSecret);
             }
         });
diff --git a/src/java/com/threerings/presents/server/SessionFactory.java b/src/java/com/threerings/presents/server/SessionFactory.java
index b7aaeebaa..6c0f1fb8a 100644
--- a/src/java/com/threerings/presents/server/SessionFactory.java
+++ b/src/java/com/threerings/presents/server/SessionFactory.java
@@ -34,10 +34,10 @@ public abstract class SessionFactory
 {
     /** The default client factory. */
     public static SessionFactory DEFAULT = new SessionFactory() {
-        public Class<? extends PresentsSession> getSessionClass (AuthRequest areq) {
+        @Override public Class<? extends PresentsSession> getSessionClass (AuthRequest areq) {
             return PresentsSession.class;
         }
-        public Class<? extends ClientResolver> getClientResolverClass (Name username) {
+        @Override public Class<? extends ClientResolver> getClientResolverClass (Name username) {
             return ClientResolver.class;
         }
     };
@@ -53,9 +53,10 @@ public abstract class SessionFactory
         final Class<? extends ClientResolver> resolverClass)
     {
         return new SessionFactory() {
-            public Class<? extends PresentsSession> getSessionClass (AuthRequest areq) {
+            @Override public Class<? extends PresentsSession> getSessionClass (AuthRequest areq) {
                 return credsClass.isInstance(areq.getCredentials()) ? sessionClass : null;
             }
+            @Override
             public Class <? extends ClientResolver> getClientResolverClass (Name username) {
                 return nameClass.isInstance(username) ? resolverClass : null;
             }