diff --git a/src/java/com/threerings/crowd/chat/client/MuteDirector.java b/src/java/com/threerings/crowd/chat/client/MuteDirector.java
index a52b0d067..dc2dddaba 100644
--- a/src/java/com/threerings/crowd/chat/client/MuteDirector.java
+++ b/src/java/com/threerings/crowd/chat/client/MuteDirector.java
@@ -32,7 +32,6 @@ import com.threerings.util.Name;
 import com.threerings.crowd.util.CrowdContext;
 
 import com.threerings.presents.client.BasicDirector;
-import com.threerings.presents.client.Client;
 
 /**
  * Manages the mutelist.
diff --git a/src/java/com/threerings/crowd/chat/data/ChatCodes.java b/src/java/com/threerings/crowd/chat/data/ChatCodes.java
index 421aeac82..48a170681 100644
--- a/src/java/com/threerings/crowd/chat/data/ChatCodes.java
+++ b/src/java/com/threerings/crowd/chat/data/ChatCodes.java
@@ -24,8 +24,6 @@ package com.threerings.crowd.chat.data;
 import com.threerings.presents.data.InvocationCodes;
 import com.threerings.presents.data.Permission;
 
-import com.threerings.crowd.data.BodyObject;
-
 import com.threerings.crowd.chat.client.ChatDirector;
 import com.threerings.crowd.chat.client.SpeakService;
 
diff --git a/src/java/com/threerings/crowd/chat/data/ChatMarshaller.java b/src/java/com/threerings/crowd/chat/data/ChatMarshaller.java
index ab7081014..de4c7036a 100644
--- a/src/java/com/threerings/crowd/chat/data/ChatMarshaller.java
+++ b/src/java/com/threerings/crowd/chat/data/ChatMarshaller.java
@@ -26,7 +26,6 @@ import com.threerings.presents.client.Client;
 import com.threerings.presents.client.InvocationService;
 import com.threerings.presents.data.InvocationMarshaller;
 import com.threerings.presents.dobj.InvocationResponseEvent;
-import com.threerings.presents.net.Transport;
 import com.threerings.util.Name;
 
 /**
diff --git a/src/java/com/threerings/crowd/chat/data/SpeakMarshaller.java b/src/java/com/threerings/crowd/chat/data/SpeakMarshaller.java
index cdd814fe0..aa4fd8e86 100644
--- a/src/java/com/threerings/crowd/chat/data/SpeakMarshaller.java
+++ b/src/java/com/threerings/crowd/chat/data/SpeakMarshaller.java
@@ -24,7 +24,6 @@ package com.threerings.crowd.chat.data;
 import com.threerings.crowd.chat.client.SpeakService;
 import com.threerings.presents.client.Client;
 import com.threerings.presents.data.InvocationMarshaller;
-import com.threerings.presents.net.Transport;
 
 /**
  * Provides the implementation of the {@link SpeakService} interface
diff --git a/src/java/com/threerings/crowd/chat/server/ChatDispatcher.java b/src/java/com/threerings/crowd/chat/server/ChatDispatcher.java
index 759eb06ea..ec4e7a966 100644
--- a/src/java/com/threerings/crowd/chat/server/ChatDispatcher.java
+++ b/src/java/com/threerings/crowd/chat/server/ChatDispatcher.java
@@ -25,7 +25,6 @@ import com.threerings.crowd.chat.client.ChatService;
 import com.threerings.crowd.chat.data.ChatMarshaller;
 import com.threerings.presents.client.InvocationService;
 import com.threerings.presents.data.ClientObject;
-import com.threerings.presents.data.InvocationMarshaller;
 import com.threerings.presents.server.InvocationDispatcher;
 import com.threerings.presents.server.InvocationException;
 import com.threerings.util.Name;
@@ -33,7 +32,7 @@ import com.threerings.util.Name;
 /**
  * Dispatches requests to the {@link ChatProvider}.
  */
-public class ChatDispatcher extends InvocationDispatcher
+public class ChatDispatcher extends InvocationDispatcher<ChatMarshaller>
 {
     /**
      * Creates a dispatcher that may be registered to dispatch invocation
@@ -45,7 +44,7 @@ public class ChatDispatcher extends InvocationDispatcher
     }
 
     @Override // documentation inherited
-    public InvocationMarshaller createMarshaller ()
+    public ChatMarshaller createMarshaller ()
     {
         return new ChatMarshaller();
     }
diff --git a/src/java/com/threerings/crowd/chat/server/SpeakDispatcher.java b/src/java/com/threerings/crowd/chat/server/SpeakDispatcher.java
index 25fa493e9..1032917f2 100644
--- a/src/java/com/threerings/crowd/chat/server/SpeakDispatcher.java
+++ b/src/java/com/threerings/crowd/chat/server/SpeakDispatcher.java
@@ -23,14 +23,13 @@ package com.threerings.crowd.chat.server;
 
 import com.threerings.crowd.chat.data.SpeakMarshaller;
 import com.threerings.presents.data.ClientObject;
-import com.threerings.presents.data.InvocationMarshaller;
 import com.threerings.presents.server.InvocationDispatcher;
 import com.threerings.presents.server.InvocationException;
 
 /**
  * Dispatches requests to the {@link SpeakProvider}.
  */
-public class SpeakDispatcher extends InvocationDispatcher
+public class SpeakDispatcher extends InvocationDispatcher<SpeakMarshaller>
 {
     /**
      * Creates a dispatcher that may be registered to dispatch invocation
@@ -42,7 +41,7 @@ public class SpeakDispatcher extends InvocationDispatcher
     }
 
     @Override // documentation inherited
-    public InvocationMarshaller createMarshaller ()
+    public SpeakMarshaller createMarshaller ()
     {
         return new SpeakMarshaller();
     }
diff --git a/src/java/com/threerings/crowd/chat/server/SpeakUtil.java b/src/java/com/threerings/crowd/chat/server/SpeakUtil.java
index 65df555a5..e14bae6a6 100644
--- a/src/java/com/threerings/crowd/chat/server/SpeakUtil.java
+++ b/src/java/com/threerings/crowd/chat/server/SpeakUtil.java
@@ -30,14 +30,11 @@ import com.google.common.collect.Maps;
 import com.samskivert.util.ObserverList;
 import com.threerings.util.Name;
 
-import com.threerings.presents.data.ClientObject;
 import com.threerings.presents.dobj.DObject;
 import com.threerings.presents.dobj.RootDObjectManager;
-import com.threerings.presents.server.InvocationProvider;
 
 import com.threerings.crowd.data.BodyObject;
 
-import com.threerings.crowd.chat.client.SpeakService;
 import com.threerings.crowd.chat.data.ChatCodes;
 import com.threerings.crowd.chat.data.ChatMessage;
 import com.threerings.crowd.chat.data.SpeakObject;
diff --git a/src/java/com/threerings/crowd/client/LocationDirector.java b/src/java/com/threerings/crowd/client/LocationDirector.java
index dbeaae456..4216a0ceb 100644
--- a/src/java/com/threerings/crowd/client/LocationDirector.java
+++ b/src/java/com/threerings/crowd/client/LocationDirector.java
@@ -29,7 +29,6 @@ import com.threerings.presents.client.BasicDirector;
 import com.threerings.presents.client.Client;
 import com.threerings.presents.util.SafeSubscriber;
 
-import com.threerings.presents.dobj.DObject;
 import com.threerings.presents.dobj.ObjectAccessException;
 import com.threerings.presents.dobj.Subscriber;
 
diff --git a/src/java/com/threerings/crowd/client/OccupantDirector.java b/src/java/com/threerings/crowd/client/OccupantDirector.java
index 33f85eef2..3970e3579 100644
--- a/src/java/com/threerings/crowd/client/OccupantDirector.java
+++ b/src/java/com/threerings/crowd/client/OccupantDirector.java
@@ -21,8 +21,6 @@
 
 package com.threerings.crowd.client;
 
-import java.util.Iterator;
-
 import com.samskivert.util.ObserverList;
 import com.threerings.util.Name;
 
@@ -37,7 +35,6 @@ import com.threerings.crowd.data.OccupantInfo;
 import com.threerings.crowd.data.PlaceObject;
 import com.threerings.crowd.util.CrowdContext;
 
-import static com.threerings.crowd.Log.log;
 
 /**
  * The occupant director listens for occupants of places to enter and
diff --git a/src/java/com/threerings/crowd/data/BodyMarshaller.java b/src/java/com/threerings/crowd/data/BodyMarshaller.java
index ea75d9a4d..d13e5f826 100644
--- a/src/java/com/threerings/crowd/data/BodyMarshaller.java
+++ b/src/java/com/threerings/crowd/data/BodyMarshaller.java
@@ -24,7 +24,6 @@ package com.threerings.crowd.data;
 import com.threerings.crowd.client.BodyService;
 import com.threerings.presents.client.Client;
 import com.threerings.presents.data.InvocationMarshaller;
-import com.threerings.presents.net.Transport;
 
 /**
  * Provides the implementation of the {@link BodyService} interface
diff --git a/src/java/com/threerings/crowd/data/LocationMarshaller.java b/src/java/com/threerings/crowd/data/LocationMarshaller.java
index cbbc3c342..114bdb1b5 100644
--- a/src/java/com/threerings/crowd/data/LocationMarshaller.java
+++ b/src/java/com/threerings/crowd/data/LocationMarshaller.java
@@ -25,7 +25,6 @@ import com.threerings.crowd.client.LocationService;
 import com.threerings.presents.client.Client;
 import com.threerings.presents.data.InvocationMarshaller;
 import com.threerings.presents.dobj.InvocationResponseEvent;
-import com.threerings.presents.net.Transport;
 
 /**
  * Provides the implementation of the {@link LocationService} interface
diff --git a/src/java/com/threerings/crowd/peer/data/CrowdPeerMarshaller.java b/src/java/com/threerings/crowd/peer/data/CrowdPeerMarshaller.java
index 2896a92bf..b5d180de1 100644
--- a/src/java/com/threerings/crowd/peer/data/CrowdPeerMarshaller.java
+++ b/src/java/com/threerings/crowd/peer/data/CrowdPeerMarshaller.java
@@ -27,7 +27,6 @@ import com.threerings.crowd.chat.data.UserMessage;
 import com.threerings.crowd.peer.client.CrowdPeerService;
 import com.threerings.presents.client.Client;
 import com.threerings.presents.data.InvocationMarshaller;
-import com.threerings.presents.net.Transport;
 import com.threerings.util.Name;
 
 /**
diff --git a/src/java/com/threerings/crowd/peer/server/CrowdPeerDispatcher.java b/src/java/com/threerings/crowd/peer/server/CrowdPeerDispatcher.java
index 3108a77ed..1286e1f82 100644
--- a/src/java/com/threerings/crowd/peer/server/CrowdPeerDispatcher.java
+++ b/src/java/com/threerings/crowd/peer/server/CrowdPeerDispatcher.java
@@ -25,7 +25,6 @@ import com.threerings.crowd.chat.client.ChatService;
 import com.threerings.crowd.chat.data.UserMessage;
 import com.threerings.crowd.peer.data.CrowdPeerMarshaller;
 import com.threerings.presents.data.ClientObject;
-import com.threerings.presents.data.InvocationMarshaller;
 import com.threerings.presents.server.InvocationDispatcher;
 import com.threerings.presents.server.InvocationException;
 import com.threerings.util.Name;
@@ -33,7 +32,7 @@ import com.threerings.util.Name;
 /**
  * Dispatches requests to the {@link CrowdPeerProvider}.
  */
-public class CrowdPeerDispatcher extends InvocationDispatcher
+public class CrowdPeerDispatcher extends InvocationDispatcher<CrowdPeerMarshaller>
 {
     /**
      * Creates a dispatcher that may be registered to dispatch invocation
@@ -45,7 +44,7 @@ public class CrowdPeerDispatcher extends InvocationDispatcher
     }
 
     @Override // documentation inherited
-    public InvocationMarshaller createMarshaller ()
+    public CrowdPeerMarshaller createMarshaller ()
     {
         return new CrowdPeerMarshaller();
     }
diff --git a/src/java/com/threerings/crowd/peer/server/CrowdPeerManager.java b/src/java/com/threerings/crowd/peer/server/CrowdPeerManager.java
index 508079a81..e50440dce 100644
--- a/src/java/com/threerings/crowd/peer/server/CrowdPeerManager.java
+++ b/src/java/com/threerings/crowd/peer/server/CrowdPeerManager.java
@@ -37,14 +37,12 @@ import com.threerings.presents.peer.server.PeerManager;
 import com.threerings.presents.peer.server.PeerNode;
 
 import com.threerings.crowd.chat.client.ChatService;
-import com.threerings.crowd.chat.data.ChatMessage;
 import com.threerings.crowd.chat.data.UserMessage;
 import com.threerings.crowd.chat.server.ChatProvider;
 import com.threerings.crowd.data.BodyObject;
 
 import com.threerings.crowd.peer.data.CrowdClientInfo;
 import com.threerings.crowd.peer.data.CrowdNodeObject;
-import com.threerings.crowd.peer.data.CrowdPeerMarshaller;
 
 /**
  * Extends the standard peer manager and bridges certain Crowd services.
@@ -148,8 +146,7 @@ public class CrowdPeerManager extends PeerManager
 
         // register and initialize our invocation service
         CrowdNodeObject cnobj = (CrowdNodeObject)_nodeobj;
-        cnobj.setCrowdPeerService(
-            (CrowdPeerMarshaller)_invmgr.registerDispatcher(new CrowdPeerDispatcher(this)));
+        cnobj.setCrowdPeerService(_invmgr.registerDispatcher(new CrowdPeerDispatcher(this)));
 
         // register ourselves as a chat forwarder
         _chatprov.setChatForwarder(this);
diff --git a/src/java/com/threerings/crowd/server/BodyDispatcher.java b/src/java/com/threerings/crowd/server/BodyDispatcher.java
index 0809fef46..e8b43accd 100644
--- a/src/java/com/threerings/crowd/server/BodyDispatcher.java
+++ b/src/java/com/threerings/crowd/server/BodyDispatcher.java
@@ -23,14 +23,13 @@ package com.threerings.crowd.server;
 
 import com.threerings.crowd.data.BodyMarshaller;
 import com.threerings.presents.data.ClientObject;
-import com.threerings.presents.data.InvocationMarshaller;
 import com.threerings.presents.server.InvocationDispatcher;
 import com.threerings.presents.server.InvocationException;
 
 /**
  * Dispatches requests to the {@link BodyProvider}.
  */
-public class BodyDispatcher extends InvocationDispatcher
+public class BodyDispatcher extends InvocationDispatcher<BodyMarshaller>
 {
     /**
      * Creates a dispatcher that may be registered to dispatch invocation
@@ -42,7 +41,7 @@ public class BodyDispatcher extends InvocationDispatcher
     }
 
     @Override // documentation inherited
-    public InvocationMarshaller createMarshaller ()
+    public BodyMarshaller createMarshaller ()
     {
         return new BodyMarshaller();
     }
diff --git a/src/java/com/threerings/crowd/server/BodyManager.java b/src/java/com/threerings/crowd/server/BodyManager.java
index bd5672280..a47b2c54f 100644
--- a/src/java/com/threerings/crowd/server/BodyManager.java
+++ b/src/java/com/threerings/crowd/server/BodyManager.java
@@ -24,9 +24,7 @@ package com.threerings.crowd.server;
 import com.google.inject.Inject;
 
 import com.threerings.presents.data.ClientObject;
-import com.threerings.presents.server.InvocationException;
 import com.threerings.presents.server.InvocationManager;
-import com.threerings.presents.server.InvocationProvider;
 
 import com.threerings.crowd.data.BodyObject;
 import com.threerings.crowd.data.CrowdCodes;
@@ -68,8 +66,7 @@ public class BodyManager
      */
     public void updateOccupantInfo (BodyObject body, Place location, OccupantInfoOp occop)
     {
-        PlaceManager pmgr = (location == null) ? null :
-            CrowdServer.plreg.getPlaceManager(location.placeOid);
+        PlaceManager pmgr = (location == null) ? null : _plreg.getPlaceManager(location.placeOid);
         if (pmgr == null) {
             return;
         }
@@ -120,4 +117,7 @@ public class BodyManager
         log.debug("Setting user idle state [user=" + bobj.username + ", status=" + nstatus + "].");
         updateOccupantStatus(bobj, bobj.location, nstatus);
     }
+
+    /** Provides access to place managers. */
+    @Inject protected PlaceRegistry _plreg;
 }
diff --git a/src/java/com/threerings/crowd/server/CrowdClient.java b/src/java/com/threerings/crowd/server/CrowdClient.java
index 7b0e26981..bd8760fba 100644
--- a/src/java/com/threerings/crowd/server/CrowdClient.java
+++ b/src/java/com/threerings/crowd/server/CrowdClient.java
@@ -21,13 +21,13 @@
 
 package com.threerings.crowd.server;
 
-import com.threerings.presents.dobj.AccessController;
+import com.google.inject.Inject;
+
 import com.threerings.presents.server.PresentsClient;
 
 import com.threerings.crowd.chat.server.SpeakUtil;
 import com.threerings.crowd.data.BodyObject;
 import com.threerings.crowd.data.OccupantInfo;
-import com.threerings.crowd.server.CrowdServer;
 
 /**
  * The crowd client extends the presents client with crowd-specific client handling.
@@ -42,7 +42,7 @@ public class CrowdClient extends PresentsClient
         if (_clobj != null) {
             // note that the user is disconnected
             BodyObject bobj = (BodyObject)_clobj;
-            CrowdServer.bodyman.updateOccupantStatus(bobj, bobj.location, OccupantInfo.DISCONNECTED);
+            _bodyman.updateOccupantStatus(bobj, bobj.location, OccupantInfo.DISCONNECTED);
         }
     }
 
@@ -53,7 +53,7 @@ public class CrowdClient extends PresentsClient
 
         // note that the user's active once more
         BodyObject bobj = (BodyObject)_clobj;
-        CrowdServer.bodyman.updateOccupantStatus(bobj, bobj.location, OccupantInfo.ACTIVE);
+        _bodyman.updateOccupantStatus(bobj, bobj.location, OccupantInfo.ACTIVE);
     }
 
     // documentation inherited
@@ -68,7 +68,7 @@ public class CrowdClient extends PresentsClient
 
         // reset our status in case this object remains around until they start their next session
         // (which could happen very soon)
-        CrowdServer.bodyman.updateOccupantStatus(body, null, OccupantInfo.ACTIVE);
+        _bodyman.updateOccupantStatus(body, null, OccupantInfo.ACTIVE);
 
         // clear our chat history
         if (body != null) {
@@ -84,6 +84,9 @@ public class CrowdClient extends PresentsClient
      */
     protected void clearLocation (BodyObject bobj)
     {
-        CrowdServer.locman.leaveOccupiedPlace(bobj);
+        _locman.leaveOccupiedPlace(bobj);
     }
+
+    @Inject protected BodyManager _bodyman;
+    @Inject protected LocationManager _locman;
 }
diff --git a/src/java/com/threerings/crowd/server/LocationDispatcher.java b/src/java/com/threerings/crowd/server/LocationDispatcher.java
index 2e96e6af5..6b1d75609 100644
--- a/src/java/com/threerings/crowd/server/LocationDispatcher.java
+++ b/src/java/com/threerings/crowd/server/LocationDispatcher.java
@@ -24,14 +24,13 @@ package com.threerings.crowd.server;
 import com.threerings.crowd.client.LocationService;
 import com.threerings.crowd.data.LocationMarshaller;
 import com.threerings.presents.data.ClientObject;
-import com.threerings.presents.data.InvocationMarshaller;
 import com.threerings.presents.server.InvocationDispatcher;
 import com.threerings.presents.server.InvocationException;
 
 /**
  * Dispatches requests to the {@link LocationProvider}.
  */
-public class LocationDispatcher extends InvocationDispatcher
+public class LocationDispatcher extends InvocationDispatcher<LocationMarshaller>
 {
     /**
      * Creates a dispatcher that may be registered to dispatch invocation
@@ -43,7 +42,7 @@ public class LocationDispatcher extends InvocationDispatcher
     }
 
     @Override // documentation inherited
-    public InvocationMarshaller createMarshaller ()
+    public LocationMarshaller createMarshaller ()
     {
         return new LocationMarshaller();
     }
diff --git a/src/java/com/threerings/crowd/server/LocationManager.java b/src/java/com/threerings/crowd/server/LocationManager.java
index 78ce16a98..65acec8a2 100644
--- a/src/java/com/threerings/crowd/server/LocationManager.java
+++ b/src/java/com/threerings/crowd/server/LocationManager.java
@@ -30,7 +30,6 @@ import com.threerings.presents.dobj.RootDObjectManager;
 import com.threerings.presents.server.ClientManager;
 import com.threerings.presents.server.InvocationException;
 import com.threerings.presents.server.InvocationManager;
-import com.threerings.presents.server.InvocationProvider;
 import com.threerings.presents.server.PresentsClient;
 
 import com.threerings.crowd.client.LocationService;
@@ -40,7 +39,6 @@ import com.threerings.crowd.data.LocationCodes;
 import com.threerings.crowd.data.Place;
 import com.threerings.crowd.data.PlaceConfig;
 import com.threerings.crowd.data.PlaceObject;
-import com.threerings.crowd.server.CrowdServer;
 
 import static com.threerings.crowd.Log.log;