diff --git a/tests/build.xml b/tests/build.xml
index 854c9411..1b4c2f59 100644
--- a/tests/build.xml
+++ b/tests/build.xml
@@ -94,6 +94,8 @@
       <exclude name="com/threerings/openal/**" unless="build.openal"/>
       <exclude name="com/threerings/**/tools/xml/**" unless="build.xml"/>
       <exclude name="com/threerings/miso/viewer/**" unless="build.xml"/>
+      <compilerarg value="-Xlint"/>
+      <compilerarg value="-Xlint:-serial"/>
     </javac>
   </target>
 
diff --git a/tests/src/java/com/threerings/cast/CharSpriteViz.java b/tests/src/java/com/threerings/cast/CharSpriteViz.java
index a560ef54..a8002b76 100644
--- a/tests/src/java/com/threerings/cast/CharSpriteViz.java
+++ b/tests/src/java/com/threerings/cast/CharSpriteViz.java
@@ -134,7 +134,7 @@ public class CharSpriteViz extends JPanel
                 BorderLayout.CENTER);
             frame.setSize(200, 200);
             SwingUtil.centerWindow(frame);
-            frame.show();
+            frame.setVisible(true);
 
         } catch (NoSuchComponentException nsce) {
             System.err.println("No component with specified class " +
diff --git a/tests/src/java/com/threerings/cast/builder/TestApp.java b/tests/src/java/com/threerings/cast/builder/TestApp.java
index bfaa5c10..8e739ffe 100644
--- a/tests/src/java/com/threerings/cast/builder/TestApp.java
+++ b/tests/src/java/com/threerings/cast/builder/TestApp.java
@@ -58,7 +58,7 @@ public class TestApp
     public void run ()
     {
         _frame.pack();
-        _frame.show();
+        _frame.setVisible(true);
     }
 
     public static void main (String[] args)
diff --git a/tests/src/java/com/threerings/geom/NearestViz.java b/tests/src/java/com/threerings/geom/NearestViz.java
index 51c58c8b..295b633c 100644
--- a/tests/src/java/com/threerings/geom/NearestViz.java
+++ b/tests/src/java/com/threerings/geom/NearestViz.java
@@ -92,7 +92,7 @@ public class NearestViz extends JPanel
         frame.getContentPane().add(new NearestViz(), BorderLayout.CENTER);
         frame.setSize(300, 300);
         SwingUtil.centerWindow(frame);
-        frame.show();
+        frame.setVisible(true);
     }
 
     protected float _theta = (float)(3 * Math.PI / 5);
diff --git a/tests/src/java/com/threerings/geom/WhichSideViz.java b/tests/src/java/com/threerings/geom/WhichSideViz.java
index 6914b9e8..d46e7409 100644
--- a/tests/src/java/com/threerings/geom/WhichSideViz.java
+++ b/tests/src/java/com/threerings/geom/WhichSideViz.java
@@ -104,7 +104,7 @@ public class WhichSideViz extends JPanel
         frame.getContentPane().add(new WhichSideViz(), BorderLayout.CENTER);
         frame.setSize(300, 300);
         SwingUtil.centerWindow(frame);
-        frame.show();
+        frame.setVisible(true);
     }
 
     protected float _theta = (float)(3 * Math.PI / 5);
diff --git a/tests/src/java/com/threerings/media/TestIconManager.java b/tests/src/java/com/threerings/media/TestIconManager.java
index 3aa73bce..6ee1d0c4 100644
--- a/tests/src/java/com/threerings/media/TestIconManager.java
+++ b/tests/src/java/com/threerings/media/TestIconManager.java
@@ -56,7 +56,7 @@ public class TestIconManager
             frame.getContentPane().add(panel, BorderLayout.CENTER);
             frame.pack();
             SwingUtil.centerWindow(frame);
-            frame.show();
+            frame.setVisible(true);
 
         } catch (Exception e) {
             e.printStackTrace(System.err);
diff --git a/tests/src/java/com/threerings/media/tile/bundle/tools/BuildTestTileSetBundle.java b/tests/src/java/com/threerings/media/tile/bundle/tools/BuildTestTileSetBundle.java
index da1f285a..7d98a80b 100644
--- a/tests/src/java/com/threerings/media/tile/bundle/tools/BuildTestTileSetBundle.java
+++ b/tests/src/java/com/threerings/media/tile/bundle/tools/BuildTestTileSetBundle.java
@@ -52,17 +52,15 @@ public class BuildTestTileSetBundle
         }
     }
 
-    /** Dummy tileset id broker that makes up tileset ids (which are
-     * consistent in the course of execution of the application, but not
-     * between invocations). */
-    protected static class DummyTileSetIDBroker
-        extends HashMap
+    /** Dummy tileset id broker that makes up tileset ids (which are consistent in the course of
+     * execution of the application, but not between invocations). */
+    protected static class DummyTileSetIDBroker extends HashMap<String,Integer>
         implements TileSetIDBroker
     {
         public int getTileSetID (String tileSetName)
             throws PersistenceException
         {
-            Integer id = (Integer)get(tileSetName);
+            Integer id = get(tileSetName);
             if (id == null) {
                 id = new Integer(++_nextId);
                 put(tileSetName, id);
@@ -83,12 +81,7 @@ public class BuildTestTileSetBundle
         protected int _nextId;
     }
 
-    protected static final String CONFIG_PATH =
-        "rsrc/media/tile/bundle/tools/bundler-config.xml";
-
-    protected static final String BUNDLE_DESC_PATH =
-        "rsrc/media/tile/bundle/tools/bundle.xml";
-
-    protected static final String TARGET_PATH =
-        "rsrc/media/tile/bundle/tools/bundle.jar";
+    protected static final String CONFIG_PATH = "rsrc/media/tile/bundle/tools/bundler-config.xml";
+    protected static final String BUNDLE_DESC_PATH = "rsrc/media/tile/bundle/tools/bundle.xml";
+    protected static final String TARGET_PATH = "rsrc/media/tile/bundle/tools/bundle.jar";
 }
diff --git a/tests/src/java/com/threerings/media/util/TraceViz.java b/tests/src/java/com/threerings/media/util/TraceViz.java
index 43ac47d9..7fd7ca75 100644
--- a/tests/src/java/com/threerings/media/util/TraceViz.java
+++ b/tests/src/java/com/threerings/media/util/TraceViz.java
@@ -89,7 +89,7 @@ public class TraceViz
     {
         _frame.pack();
         SwingUtil.centerWindow(_frame);
-        _frame.show();
+        _frame.setVisible(true);
     }
 
     public static void main (String[] args)
diff --git a/tests/src/java/com/threerings/miso/client/ScrollingTestApp.java b/tests/src/java/com/threerings/miso/client/ScrollingTestApp.java
index e91c5067..89df5412 100644
--- a/tests/src/java/com/threerings/miso/client/ScrollingTestApp.java
+++ b/tests/src/java/com/threerings/miso/client/ScrollingTestApp.java
@@ -199,7 +199,7 @@ public class ScrollingTestApp
     public void run ()
     {
         // show the window
-        _frame.show();
+        _frame.setVisible(true);
         _framemgr.start();
     }
 
diff --git a/tests/src/java/com/threerings/util/DirectionViz.java b/tests/src/java/com/threerings/util/DirectionViz.java
index 6d3c2472..22fba62c 100644
--- a/tests/src/java/com/threerings/util/DirectionViz.java
+++ b/tests/src/java/com/threerings/util/DirectionViz.java
@@ -78,7 +78,7 @@ public class DirectionViz extends JPanel
         frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
         frame.getContentPane().add(new DirectionViz(), BorderLayout.CENTER);
         frame.setSize(300, 300);
-        frame.show();
+        frame.setVisible(true);
     }
 
     protected Point _center;
diff --git a/tests/src/java/com/threerings/util/KeyTimerApp.java b/tests/src/java/com/threerings/util/KeyTimerApp.java
index 0be875f7..11fdd8f0 100644
--- a/tests/src/java/com/threerings/util/KeyTimerApp.java
+++ b/tests/src/java/com/threerings/util/KeyTimerApp.java
@@ -37,7 +37,7 @@ public class KeyTimerApp
 
     public void run ()
     {
-        _frame.show();
+        _frame.setVisible(true);
     }
 
     public static void main (String[] args)
diff --git a/tests/src/java/com/threerings/util/KeyboardManagerApp.java b/tests/src/java/com/threerings/util/KeyboardManagerApp.java
index 12956d26..8ac00556 100644
--- a/tests/src/java/com/threerings/util/KeyboardManagerApp.java
+++ b/tests/src/java/com/threerings/util/KeyboardManagerApp.java
@@ -42,7 +42,7 @@ public class KeyboardManagerApp
 
     public void run ()
     {
-        _frame.show();
+        _frame.setVisible(true);
     }
 
     public static void main (String[] args)