Index: trunk/src/org/openstreetmap/josm/gui/bbox/SlippyMapBBoxChooser.java
===================================================================
--- trunk/src/org/openstreetmap/josm/gui/bbox/SlippyMapBBoxChooser.java	(revision 8729)
+++ trunk/src/org/openstreetmap/josm/gui/bbox/SlippyMapBBoxChooser.java	(revision 8732)
@@ -324,4 +324,13 @@
 
     /**
+     * Enables or disables painting of the shrink/enlarge button
+     *
+     * @param visible {@code true} to enable painting of the shrink/enlarge button
+     */
+    public void setSizeButtonVisible(boolean visible) {
+        iSizeButton.setVisible(visible);
+    }
+
+    /**
      * Refreshes the tile sources
      * @since 6364
Index: trunk/src/org/openstreetmap/josm/gui/dialogs/MinimapDialog.java
===================================================================
--- trunk/src/org/openstreetmap/josm/gui/dialogs/MinimapDialog.java	(revision 8729)
+++ trunk/src/org/openstreetmap/josm/gui/dialogs/MinimapDialog.java	(revision 8732)
@@ -30,4 +30,5 @@
         super(tr("Mini map"), "minimap", tr("Displays a small map of the current edit location"), null, 150);
         createLayout(slippyMap, false, Collections.<SideButton>emptyList());
+        slippyMap.setSizeButtonVisible(false);
         slippyMap.addPropertyChangeListener(BBoxChooser.BBOX_PROP, this);
     }