diff --git a/apps/clock-simple.js b/apps/clock-simple.js
index ba050855b..b1b766217 100644
--- a/apps/clock-simple.js
+++ b/apps/clock-simple.js
@@ -1,70 +1,63 @@
 /* jshint esversion: 6 */
 (function() {
-const xyMin = 0;
-const xyMax = g.getWidth();
 
-//const appScreen = { x1: xyMin, y1: 24, x2: xyMax, y2: xyMax };
+    const timeFontSize = 6;
+    const dateFontSize = 3;
+    const gmtFontSize = 2;
+    const font = "6x8";
 
-const timeFontSize = 6;
-const dateFontSize = 3;
-const gmtFontSize = 2;
-const font = "6x8";
+    const xyCenter = g.getWidth() / 2;
+    const yposTime = 75;
+    const yposDate = 130;
+    const yposYear = 175;
+    const yposGMT = 220;
 
-const xyCenter = xyMax / 2;
-const yposTime = 75;
-const yposDate = 130;
-const yposYear = 175;
-const yposGMT = 220;
+    function drawSimpleClock() {
 
-function drawSimpleClock() {
+        // get date
+        var d = new Date();
+        var da = d.toString().split(" ");
 
-    // get date
-    var d = new Date();
-    var da = d.toString().split(" ");
+        // drawSting centered
+        g.setFontAlign(0, 0);
 
-    //g.clearRect(appScreen.x1, appScreen.y1, appScreen.x2, appScreen.y2);
+        // draw time
+        var time = da[4].substr(0, 5);
+        g.setFont(font, timeFontSize);
+        g.drawString(time, xyCenter, yposTime, true);
 
-    // drawSting centered
-    g.setFontAlign(0, 0);
+        // draw Day, name of month, Date
+        var date = [da[0], da[1], da[2]].join(" ");
+        g.setFont(font, dateFontSize);
 
-    // draw time
-    var time = da[4].substr(0, 5);
-    //g.clearRect(xyMin, yposTime, xyMax, yposTime + g.getFontHeight());
-    g.setFont(font, timeFontSize);
-    g.drawString(time, xyCenter, yposTime,true);
+        g.drawString(date, xyCenter, yposDate, true);
 
-    // draw Day, name of month, Date
-    var date = [ da[0], da[1], da[2] ].join(" ");
-    g.setFont(font, dateFontSize);
-    //g.clearRect(xyMin, yposDate, xyMax, yposDate + g.getFontHeight());
-    g.drawString(date, xyCenter, yposDate,true);
+        // draw year
+        g.setFont(font, dateFontSize);
+        g.drawString(d.getFullYear(), xyCenter, yposYear, true);
 
-    // draw year
-    g.setFont(font, dateFontSize);
-    //g.clearRect(xyMin, yposYear, xyMax, yposDate + g.getFontHeight());
-    g.drawString(d.getFullYear(), xyCenter, yposYear,true);
+        // draw gmt
+        var gmt = da[5];
+        g.setFont(font, gmtFontSize);
+        g.drawString(gmt, xyCenter, yposGMT, true);
 
-    // draw gmt
-    var gmt = da[5];
-    g.setFont(font, gmtFontSize);
-    g.drawString(gmt, xyCenter, yposGMT,true);
-
-}
-
-// handle switch display on by pressing BTN1
-Bangle.on('lcdPower', function(on) {
-    if (on) {
-        drawSimpleClock();
-        drawWidgets();
     }
-});
 
-// clean app screen
-g.clear();
+    // handle switch display on by pressing BTN1
+    Bangle.on('lcdPower', function(on) {
+        if (on) {
+            drawSimpleClock();
+            drawWidgets();
+        }
+    });
 
-// refesh every 15 sec
-setInterval(drawSimpleClock, 15E3);
-// draw now
-drawSimpleClock();
+    // clean app screen
+    g.clear();
+
+    // refesh every 15 sec
+    setInterval(drawSimpleClock, 15E3);
+    
+    // draw now
+    drawSimpleClock();
 
 })();
\ No newline at end of file