diff --git a/src/java/com/threerings/parlor/tourney/data/Participant.java b/src/java/com/threerings/parlor/tourney/data/Participant.java
index 15100963..ea0faa58 100644
--- a/src/java/com/threerings/parlor/tourney/data/Participant.java
+++ b/src/java/com/threerings/parlor/tourney/data/Participant.java
@@ -57,6 +57,12 @@ public class Participant extends SimpleStreamableObject
         return false;
     }
 
+    @Override
+    public int hashCode ()
+    {
+    	return username.hashCode();
+    }
+
     @Override
     public String toString ()
     {
diff --git a/src/java/com/threerings/stage/tools/editor/TileInfoPanel.java b/src/java/com/threerings/stage/tools/editor/TileInfoPanel.java
index 2f566add..c011404f 100644
--- a/src/java/com/threerings/stage/tools/editor/TileInfoPanel.java
+++ b/src/java/com/threerings/stage/tools/editor/TileInfoPanel.java
@@ -56,6 +56,7 @@ import javax.swing.tree.DefaultTreeModel;
 import javax.swing.tree.TreePath;
 import javax.swing.tree.TreeSelectionModel;
 
+import com.google.common.base.Objects;
 import com.google.common.collect.Lists;
 import com.google.common.collect.Maps;
 
@@ -691,6 +692,12 @@ public class TileInfoPanel extends JSplitPane
             }
             return false;
         }
+
+        @Override
+        public int hashCode ()
+        {
+            return Objects.hashCode(layer, tileSetId);
+        }
     }
 
     /** Default desired panel dimensions. */