diff --git a/src/java/com/threerings/parlor/rating/server/RatingManagerDelegate.java b/src/java/com/threerings/parlor/rating/server/RatingManagerDelegate.java
index 38cf9969..e03c81d9 100644
--- a/src/java/com/threerings/parlor/rating/server/RatingManagerDelegate.java
+++ b/src/java/com/threerings/parlor/rating/server/RatingManagerDelegate.java
@@ -215,7 +215,7 @@ public abstract class RatingManagerDelegate extends GameManagerDelegate
         }
 
         log.info("Loading " + ratings + "...");
-        final int gameId = _gmgr.getGameConfig().getGameId();
+        final int gameId = getGameId();
         CrowdServer.invoker.postUnit(new RepositoryUnit("loadRatings") {
             public void invokePersist () throws Exception {
                 // map the records by player id so that we can correlate with the db results
@@ -256,7 +256,7 @@ public abstract class RatingManagerDelegate extends GameManagerDelegate
         }
 
         log.info("Saving " + ratings + "...");
-        final int gameId = _gmgr.getGameConfig().getGameId();
+        final int gameId = getGameId();
         CrowdServer.invoker.postUnit(new RepositoryUnit("saveRatings") {
             public void invokePersist () throws Exception {
                 for (Rating rating : ratings) {
@@ -374,6 +374,14 @@ public abstract class RatingManagerDelegate extends GameManagerDelegate
         return MathUtil.bound(MINIMUM_RATING, nrat, MAXIMUM_RATING);
     }
 
+    /**
+     * Returns the game id to use when reading and writing ratings.
+     */
+    protected int getGameId ()
+    {
+        return _gmgr.getGameConfig().getGameId();
+    }
+
     /**
      * Return the minimum time (in seconds) a game must've lasted for it to count towards rating.
      */
diff --git a/src/java/com/threerings/parlor/rating/server/persist/PercentileRecord.java b/src/java/com/threerings/parlor/rating/server/persist/PercentileRecord.java
index 12984d82..2ac126c0 100644
--- a/src/java/com/threerings/parlor/rating/server/persist/PercentileRecord.java
+++ b/src/java/com/threerings/parlor/rating/server/persist/PercentileRecord.java
@@ -42,13 +42,6 @@ public class PercentileRecord extends PersistentRecord
     public static final ColumnExp GAME_ID_C =
         new ColumnExp(PercentileRecord.class, GAME_ID);
 
-    /** The column identifier for the {@link #type} field. */
-    public static final String TYPE = "type";
-
-    /** The qualified column identifier for the {@link #type} field. */
-    public static final ColumnExp TYPE_C =
-        new ColumnExp(PercentileRecord.class, TYPE);
-
     /** The column identifier for the {@link #data} field. */
     public static final String DATA = "data";
 
@@ -58,16 +51,12 @@ public class PercentileRecord extends PersistentRecord
     // AUTO-GENERATED: FIELDS END
 
     /** Increment this value to reflect changes to this object's schema. */
-    public static final int SCHEMA_VERSION = 2;
+    public static final int SCHEMA_VERSION = 3;
 
     /** The id of the game for which we're tracking a percentile distribution. */
     @Id
     public int gameId;
 
-    /** The type of percentile distribution (games can maintain multiple distributions). */
-    @Id
-    public int type;
-
     /** The raw percentiler data. */
     @Column(length=500)
     public byte[] data;
@@ -77,12 +66,12 @@ public class PercentileRecord extends PersistentRecord
      * Create and return a primary {@link Key} to identify a {@link #PercentileRecord}
      * with the supplied key values.
      */
-    public static Key<PercentileRecord> getKey (int gameId, int type)
+    public static Key<PercentileRecord> getKey (int gameId)
     {
         return new Key<PercentileRecord>(
                 PercentileRecord.class,
-                new String[] { GAME_ID, TYPE },
-                new Comparable[] { gameId, type });
+                new String[] { GAME_ID },
+                new Comparable[] { gameId });
     }
     // AUTO-GENERATED: METHODS END
 }
diff --git a/src/java/com/threerings/parlor/rating/server/persist/RatingRepository.java b/src/java/com/threerings/parlor/rating/server/persist/RatingRepository.java
index 522c3fdb..7688f873 100644
--- a/src/java/com/threerings/parlor/rating/server/persist/RatingRepository.java
+++ b/src/java/com/threerings/parlor/rating/server/persist/RatingRepository.java
@@ -53,6 +53,7 @@ public class RatingRepository extends DepotRepository
 
         // TEMP
         ctx.registerMigration(PercentileRecord.class, new EntityMigration.Retype(2, "data"));
+        ctx.registerMigration(PercentileRecord.class, new EntityMigration.Drop(3, "type"));
         // END TEMP
     }
 
@@ -111,42 +112,24 @@ public class RatingRepository extends DepotRepository
     }
 
     /**
-     * Loads all percentile distributions associated with the specified game.
-     *
-     * @return a map from type to {@link Percentiler} instance.
+     * Loads the percentile distribution associated with the specified game. null will never be
+     * returned, rather a blank percentiler will be created and returned.
      */
-    public IntMap<Percentiler> loadPercentiles (int gameId)
+    public Percentiler loadPercentile (int gameId)
         throws PersistenceException
     {
-        HashIntMap<Percentiler> results = new HashIntMap<Percentiler>();
-        Where where = new Where(PercentileRecord.GAME_ID_C, gameId);
-        for (PercentileRecord record : findAll(PercentileRecord.class, where)) {
-            results.put(record.type, new Percentiler(record.data));
-        }
-        return results;
-    }
-
-    /**
-     * Loads a particular percentiler for the specified game. null will never be returned, rather a
-     * blank percentiler will be created and returned.
-     */
-    public Percentiler loadPercentile (int gameId, int type)
-        throws PersistenceException
-    {
-        PercentileRecord record =
-            load(PercentileRecord.class, PercentileRecord.getKey(gameId, type));
+        PercentileRecord record = load(PercentileRecord.class, PercentileRecord.getKey(gameId));
         return (record == null) ? new Percentiler() : new Percentiler(record.data);
     }
 
     /**
      * Writes the supplied percentiler's data out to the database.
      */
-    public void updatePercentile (int gameId, int type, Percentiler tiler)
+    public void updatePercentile (int gameId, Percentiler tiler)
         throws PersistenceException
     {
         PercentileRecord record = new PercentileRecord();
         record.gameId = gameId;
-        record.type = type;
         record.data = tiler.toBytes();
         store(record);
     }