Index: /trunk/src/org/openstreetmap/josm/actions/mapmode/ParallelWays.java
===================================================================
--- /trunk/src/org/openstreetmap/josm/actions/mapmode/ParallelWays.java	(revision 10246)
+++ /trunk/src/org/openstreetmap/josm/actions/mapmode/ParallelWays.java	(revision 10247)
@@ -63,5 +63,4 @@
             ways.add(wCopy);
         }
-        sourceWays = null; // Ensure that we only use the copies from now
 
         // Find a linear ordering of the nodes. Fail if there isn't one.
Index: /trunk/src/org/openstreetmap/josm/actions/upload/ValidateUploadHook.java
===================================================================
--- /trunk/src/org/openstreetmap/josm/actions/upload/ValidateUploadHook.java	(revision 10246)
+++ /trunk/src/org/openstreetmap/josm/actions/upload/ValidateUploadHook.java	(revision 10247)
@@ -73,5 +73,4 @@
             }
         }
-        tests = null;
         OsmDataLayer editLayer = JosmAction.getEditLayer();
         if (editLayer != null) {
Index: /trunk/src/org/openstreetmap/josm/data/cache/BufferedImageCacheEntry.java
===================================================================
--- /trunk/src/org/openstreetmap/josm/data/cache/BufferedImageCacheEntry.java	(revision 10246)
+++ /trunk/src/org/openstreetmap/josm/data/cache/BufferedImageCacheEntry.java	(revision 10247)
@@ -48,9 +48,5 @@
                 img = ImageIO.read(new ByteArrayInputStream(content));
                 imageLoaded = true;
-
-                if (writtenToDisk)
-                    content = null;
             }
-
         }
         return img;
Index: /trunk/src/org/openstreetmap/josm/data/osm/visitor/paint/relations/MultipolygonCache.java
===================================================================
--- /trunk/src/org/openstreetmap/josm/data/osm/visitor/paint/relations/MultipolygonCache.java	(revision 10246)
+++ /trunk/src/org/openstreetmap/josm/data/osm/visitor/paint/relations/MultipolygonCache.java	(revision 10247)
@@ -114,5 +114,4 @@
         if (map != null) {
             map.clear();
-            map = null;
         }
     }
@@ -127,5 +126,4 @@
             if (map2 != null) {
                 map2.clear();
-                map2 = null;
             }
         }