diff --git a/src/java/com/threerings/presents/server/PresentsDObjectMgr.java b/src/java/com/threerings/presents/server/PresentsDObjectMgr.java
index 3393f9277..560e642b9 100644
--- a/src/java/com/threerings/presents/server/PresentsDObjectMgr.java
+++ b/src/java/com/threerings/presents/server/PresentsDObjectMgr.java
@@ -281,29 +281,18 @@ public class PresentsDObjectMgr
     // from interface RootDObjectManager
     public Interval newInterval (final Runnable action)
     {
-        return new Interval() {
-            @Override
-            public void expired () {
-                if (isRunning()) {
-                    postRunnable(new Runnable() {
-                        public void run () {
-                            // if we were canceled between the time that we posted this runnable
-                            // and the time the dobjmgr got around to executing us, we opt not to
-                            // actually execute our runnable because that's how Interval does it
-                            if (_task != null) {
-                                action.run();
-                            }
-                        }
-                    });
-                } else {
-                    cancel();
-                }
+        return new Interval(this) {
+            @Override public void expired () {
+                action.run();
             }
 
-            @Override
-            public String toString() {
+            @Override public String toString () {
                 return "DObjectManagerInterval(" + action + ")";
             }
+
+            @Override protected void noteRejected () {
+                // don't complain
+            }
         };
     }