diff --git a/FL/Fl_Value_SliderX.C b/FL/Fl_Value_SliderX.C
index f7583fe..aebb505 100644
--- a/FL/Fl_Value_SliderX.C
+++ b/FL/Fl_Value_SliderX.C
@@ -55,54 +55,3 @@ Fl_Value_SliderX::draw ( void )
 
     Fl_Value_Slider::draw();
 }
-
-
-int
-Fl_Value_SliderX::handle ( int m )
-{
-
-    /* Fl_Value_Slider and friends should really handle mousewheel, but they don't in FTLK1 */
-
-
-    switch ( m )
-    {
-        case FL_MOUSEWHEEL:
-        {
-            if ( this != Fl::belowmouse() )
-                return 0;
-
-            int steps = 16;
-
-            if ( Fl::event_ctrl() )
-                steps = 128;
-
-            float step = fabs( maximum() - minimum() ) / (float)steps;
-
-            float d = ((float)Fl::event_dy()) * step;
-
-            double v = value() + d;
-
-            if ( maximum() > minimum() )
-            {
-                if ( v < minimum() )
-                    v = minimum();
-                else if ( v > maximum() )
-                    v = maximum();
-            }
-            else
-            {
-                if ( v > minimum() )
-                    v = minimum();
-                else if ( v < maximum() )
-                    v = maximum();
-            }
-
-            value( v );
-            do_callback();
-
-            return 1;
-        }
-    }
-
-    return Fl_Value_Slider::handle( m );
-}
diff --git a/FL/Fl_Value_SliderX.H b/FL/Fl_Value_SliderX.H
index 2657c0e..21e7835 100644
--- a/FL/Fl_Value_SliderX.H
+++ b/FL/Fl_Value_SliderX.H
@@ -53,6 +53,5 @@ public:
 
     virtual ~Fl_Value_SliderX() { }
 
-    virtual int handle ( int m );
     virtual void draw ( void );
 };
diff --git a/lib/ntk b/lib/ntk
index 37a2409..7d4ce9e 160000
--- a/lib/ntk
+++ b/lib/ntk
@@ -1 +1 @@
-Subproject commit 37a2409bd983cc467016395c3e93e4a592e3985c
+Subproject commit 7d4ce9ed0a3e30c59d6b767455bf51009e353a3e