Index: /trunk/src/org/openstreetmap/josm/tools/ImageProvider.java
===================================================================
--- /trunk/src/org/openstreetmap/josm/tools/ImageProvider.java	(revision 16923)
+++ /trunk/src/org/openstreetmap/josm/tools/ImageProvider.java	(revision 16924)
@@ -1383,7 +1383,4 @@
     }
 
-    /** 90 degrees in radians units */
-    private static final double DEGREE_90 = 90.0 * Math.PI / 180.0;
-
     /**
      * Creates a scaled down version of the input image to fit maximum dimensions. (Keeps aspect ratio)
Index: /trunk/src/org/openstreetmap/josm/tools/PlatformHookUnixoid.java
===================================================================
--- /trunk/src/org/openstreetmap/josm/tools/PlatformHookUnixoid.java	(revision 16923)
+++ /trunk/src/org/openstreetmap/josm/tools/PlatformHookUnixoid.java	(revision 16924)
@@ -108,5 +108,5 @@
      */
     public Optional<String> getDesktopEnvironment() {
-        return Optional.ofNullable(Utils.getSystemEnv("XDG_CURRENT_DESKTOP")).filter(s -> !s.isEmpty());
+        return Optional.ofNullable(getSystemEnv("XDG_CURRENT_DESKTOP")).filter(s -> !s.isEmpty());
     }