diff --git a/Packages/lesiontracker/lib/mathUtils.js b/Packages/lesiontracker/lib/mathUtils.js
deleted file mode 100644
index 031027b39..000000000
--- a/Packages/lesiontracker/lib/mathUtils.js
+++ /dev/null
@@ -1,134 +0,0 @@
-
-// Returns sign of number
-sign = function(x) {
-    return typeof x === 'number' ? x ? x < 0 ? -1 : 1 : x === x ? 0 : NaN : NaN;
-};
-
-// Returns intersection points of lines and whether lines are intersected
-getLineIntersection = function(point1, point2, point3, point4) {
-
-    var intersectionPoint = {};
-
-    var x1 = point1.x, y1 = point1.y, x2 = point2.x, y2 = point2.y,
-        x3 = point3.x, y3 = point3.y, x4 = point4.x, y4 = point4.y;
-
-    var a1, a2, b1, b2, c1, c2; // Coefficients of line equations
-    var r1, r2, r3, r4; // Sign values
-
-    var denom, offset, num; //Intermediate values
-
-    // Compute a1, b1, c1, where line joining points 1 and 2 is "a1 x  +  b1 y  +  c1  =  0"
-    a1 = y2 - y1;
-    b1 = x1 - x2;
-    c1 = x2 * y1 - x1 * y2;
-
-    // Compute r3 and r4
-    r3 = a1 * x3 + b1 * y3 + c1;
-    r4 = a1 * x4 + b1 * y4 + c1;
-
-    /* Check signs of r3 and r4.  If both point 3 and point 4 lie on
-     * same side of line 1, the line segments do not intersect.
-     */
-
-    if (r3 !== 0 &&
-        r4 !== 0 &&
-        sign(r3) === sign(r4)) {
-        intersectionPoint.x = 0;
-        intersectionPoint.y = 0;
-        intersectionPoint.intersected = false;
-        return intersectionPoint;
-    }
-
-    /* Compute a2, b2, c2 */
-
-    a2 = y4 - y3;
-    b2 = x3 - x4;
-    c2 = x4 * y3 - x3 * y4;
-
-    /* Compute r1 and r2 */
-
-    r1 = a2 * x1 + b2 * y1 + c2;
-    r2 = a2 * x2 + b2 * y2 + c2;
-
-    /* Check signs of r1 and r2.  If both point 1 and point 2 lie
-     * on same side of second line segment, the line segments do
-     * not intersect.
-     */
-
-    if (r1 !== 0 &&
-        r2 !== 0 &&
-        sign(r1) === sign(r2)) {
-        intersectionPoint.x = 0;
-        intersectionPoint.y = 0;
-        intersectionPoint.intersected = false;
-        return intersectionPoint;
-    }
-
-    /* Line segments intersect: compute intersection point.
-     */
-
-    denom = (a1 * b2) - (a2 * b1);
-
-    offset = denom < 0 ? -denom / 2 : denom / 2;
-
-    /* The denom/2 is to get rounding instead of truncating.  It
-     * is added or subtracted to the numerator, depending upon the
-     * sign of the numerator.
-     */
-
-    num = (b1 * c2) - (b2 * c1);
-    var x = parseFloat(num / denom);
-
-    num = (a2 * c1) - (a1 * c2);
-    var y = parseFloat(num / denom);
-
-    intersectionPoint.x = x;
-    intersectionPoint.y = y;
-    intersectionPoint.intersected = true;
-
-    return intersectionPoint;
-};
-
-// Returns distance between two points
-getDistance = function(point1, point2) {
-    return Math.sqrt((point1.x - point2.x) * (point1.x - point2.x) + (point1.y - point2.y) * (point1.y - point2.y));
-};
-
-// Returns distance from point to a line
-getDistanceFromPointToLine = function(ptTest, pt1, pt2) {
-    var ptNearest = {};
-
-    // Point on line segment nearest to pt0
-    var dx = pt2.x - pt1.x;
-    var dy = pt2.y - pt1.y;
-
-    // It's a point, not a line
-    if (dx === 0 && dy === 0) {
-        ptNearest.x = pt1.x;
-        ptNearest.y = pt1.y;
-    } else {
-        // Parameter
-        var t = ((ptTest.x - pt1.x) * dx + (ptTest.y - pt1.y) * dy) / (dx * dx + dy * dy);
-
-        // Nearest point is pt1
-        if (t < 0) {
-            ptNearest = pt1;
-        }
-        // Nearest point is pt2
-        else if (t > 1) {
-            ptNearest = pt2;
-        }
-        // Nearest point is on the line segment
-        else {
-            // Parametric equation
-            ptNearest.x = (pt1.x + t * dx);
-            ptNearest.y = (pt1.y + t * dy);
-        }
-    }
-
-    var distanceX = ptTest.x - ptNearest.x;
-    var distanceY = ptTest.y - ptNearest.y;
-    ptNearest.distance = Math.sqrt(distanceX * distanceX + distanceY * distanceY);
-
-    return ptNearest;
-};