--- a/src/proto2/Terrain.hh	Sun Nov 30 14:17:57 2008 +0000
+++ b/src/proto2/Terrain.hh	Sun Nov 30 14:58:48 2008 +0000
@@ -106,21 +106,6 @@
     void removeGround(Vector pos, float r);
 
     /**
-     * Get tangent for the given point.
-     *
-     * @param point Point where the tangent is calculated
-     * @param n Accuracy in pixels 
-     */
-    Vector getTangent(Vector prevPoint, Vector hitPoint,  int n = 1) const;
-    /**
-     * Get tangent for the given point.
-     *
-     * @param point Point where the tangent is calculated
-     * @param a Accuracy in scaled units.
-     */
-    Vector getTangent(Vector prevPoint, Vector hitPoint, float a) const;
-
-    /**
      * Return normal for the given point.
      *
      * @param point Point for which the normal is calculated.