diff --git a/src/java/com/threerings/stage/tools/editor/EditorScenePanel.java b/src/java/com/threerings/stage/tools/editor/EditorScenePanel.java
index 1ac50892..1b1d4dcd 100644
--- a/src/java/com/threerings/stage/tools/editor/EditorScenePanel.java
+++ b/src/java/com/threerings/stage/tools/editor/EditorScenePanel.java
@@ -341,7 +341,7 @@ public class EditorScenePanel extends StageScenePanel
         }
 
         // pass location information on to the dialog
-        _dialogPortal.prepare((StageScene)_scene, portal);
+        _dialogPortal.prepare(_scene, portal);
 
         // allow the user to edit the info
         EditorDialogUtil.display(_frame, _dialogPortal);
@@ -965,12 +965,11 @@ public class EditorScenePanel extends StageScenePanel
     {
         if (tile instanceof ObjectTile) {
             // create a temporary scene object for this tile
-            SceneObject nobj = new SceneObject(this, new ObjectInfo(0, x, y),
-                                               (ObjectTile)tile);
+            SceneObject nobj = new SceneObject(this, new ObjectInfo(0, x, y), (ObjectTile)tile);
             // report invalidity if overlaps any existing objects
             int ocount = _vizobjs.size();
             for (int ii = 0; ii < ocount; ii++) {
-                SceneObject scobj = (SceneObject)_vizobjs.get(ii);
+                SceneObject scobj = _vizobjs.get(ii);
                 if (scobj.objectFootprintOverlaps(nobj)) {
                     return false;
                 }
diff --git a/src/java/com/threerings/stage/tools/editor/EditorScrollBox.java b/src/java/com/threerings/stage/tools/editor/EditorScrollBox.java
index 28d965c8..b9d44d48 100644
--- a/src/java/com/threerings/stage/tools/editor/EditorScrollBox.java
+++ b/src/java/com/threerings/stage/tools/editor/EditorScrollBox.java
@@ -128,11 +128,11 @@ public class EditorScrollBox extends ScrollBox
         int horz = _horz.getMaximum() - _horz.getMinimum();
         int vert = _vert.getMaximum() - _vert.getMinimum();
         int height = MAX_HEIGHT;
-        int width = (int) Math.round(horz * (((float) height) / vert));
+        int width = Math.round(horz * (((float) height) / vert));
 
         int maxwidth = getParent().getWidth();
         if (maxwidth > 0 && width > maxwidth) {
-            height = (int) Math.round(height * (((float) maxwidth) / width));
+            height = Math.round(height * (((float) maxwidth) / width));
             width = maxwidth;
         }
 
diff --git a/src/java/com/threerings/stage/tools/editor/PortalTool.java b/src/java/com/threerings/stage/tools/editor/PortalTool.java
index 5827ee11..442e8f26 100644
--- a/src/java/com/threerings/stage/tools/editor/PortalTool.java
+++ b/src/java/com/threerings/stage/tools/editor/PortalTool.java
@@ -48,7 +48,7 @@ public class PortalTool extends MouseInputAdapter
     public void init (EditorScenePanel panel, int centerx, int centery)
     {
         _panel = panel;
-        _scene = (StageScene)_panel.getScene();
+        _scene = _panel.getScene();
 
         // adjust the center screen coordinate so that it is positioned at
         // the closest full coordinate where a portal may be placed
diff --git a/src/java/com/threerings/stage/tools/editor/TileInfoPanel.java b/src/java/com/threerings/stage/tools/editor/TileInfoPanel.java
index 0a181bd3..cd62d11d 100644
--- a/src/java/com/threerings/stage/tools/editor/TileInfoPanel.java
+++ b/src/java/com/threerings/stage/tools/editor/TileInfoPanel.java
@@ -386,7 +386,7 @@ public class TileInfoPanel extends JSplitPane
 
         // now select the previously selected item, or the first...
         if (_selected == null) {
-            _selected = (DefaultMutableTreeNode) root.getFirstLeaf();
+            _selected = root.getFirstLeaf();
         }
         _tsettree.setSelectionPath(new TreePath(_selected.getPath()));
     }