diff --git a/build.xml b/build.xml
index 206e92ca..67f9bb81 100644
--- a/build.xml
+++ b/build.xml
@@ -96,7 +96,9 @@
       <exclude name="**/ModPlayer.java"/>
       <exclude name="**/MidiPlayer.java"/>
       <exclude name="**/Mp3Player.java"/>
-      <!--<compilerarg value="-Xlint:unchecked"/>-->
+      <compilerarg value="-Xlint"/>
+      <compilerarg value="-Xlint:-serial"/>
+      <compilerarg value="-Xlint:-unchecked"/> <!-- TODO: fix -->
     </javac>
   </target>
 
diff --git a/src/java/com/threerings/miso/client/DirtyItemList.java b/src/java/com/threerings/miso/client/DirtyItemList.java
index f58b01e0..2dedf117 100644
--- a/src/java/com/threerings/miso/client/DirtyItemList.java
+++ b/src/java/com/threerings/miso/client/DirtyItemList.java
@@ -484,8 +484,7 @@ public class DirtyItemList
          * Returns whether two dirty items have a partitioning object
          * between them on the given axis.
          */
-        protected int comparePartitioned (
-            int axis, DirtyItem da, DirtyItem db)
+        protected int comparePartitioned (int axis, DirtyItem da, DirtyItem db)
         {
             // prepare for the partitioning check
             SortableArrayList sitems;
@@ -560,6 +559,7 @@ public class DirtyItemList
                         dp.rx <= db.lx) {
                         return (swapped) ? 1 : -1;
                     }
+                    break;
 
                 case Y_AXIS:
                 default:
@@ -569,6 +569,7 @@ public class DirtyItemList
                         dp.oy <= db.ry) {
                         return (swapped) ? 1 : -1;
                     }
+                    break;
                 }
             }