diff --git a/router/java/src/net/i2p/router/transport/udp/UDPTransport.java b/router/java/src/net/i2p/router/transport/udp/UDPTransport.java
index bef90f3e5..36a2a42d3 100644
--- a/router/java/src/net/i2p/router/transport/udp/UDPTransport.java
+++ b/router/java/src/net/i2p/router/transport/udp/UDPTransport.java
@@ -351,7 +351,7 @@ public class UDPTransport extends TransportImpl implements TimedWeightedPriority
         if (xdh != null) {
             // roughly scale based on expected traffic
             int sz = Math.max(16, Math.min(128, getMaxConnections() / 16));
-            _recentlyClosedConnIDs = new LHMCache<Long, PeerStateDestroyed>(sz);
+            _recentlyClosedConnIDs = new DestroyedCache(sz);
         } else {
             _recentlyClosedConnIDs = null;
         }
@@ -4065,6 +4065,28 @@ public class UDPTransport extends TransportImpl implements TimedWeightedPriority
         }
     }
 
+    /**
+     * For PeerStateDestroyed, to kill the timers on overflow,
+     * else the memory won't be freed.
+     *
+     * @since 0.9.57
+     */
+    private static class DestroyedCache extends LHMCache<Long, PeerStateDestroyed> {
+
+        public DestroyedCache(int max) {
+            super(max);
+        }
+
+        @Override
+        protected boolean removeEldestEntry(Map.Entry<Long, PeerStateDestroyed> eldest) {
+            boolean rv = super.removeEldestEntry(eldest);
+            if (rv) {
+                eldest.getValue().kill();
+            }
+            return rv;
+        }
+    }
+
 /*******
     private static final String BADIPS[] = new String[] { "192.168.0.1", "127.0.0.1", "10.3.4.5", "172.16.3.4", "224.5.6.7" };
     private static final String GOODIPS[] = new String[] { "192.167.0.1", "126.0.0.1", "11.3.4.5", "172.15.3.4", "223.5.6.7" };