diff --git a/apps/.eslintrc.json b/apps/.eslintrc.json
index ff0cc46fe..4ed76396a 100644
--- a/apps/.eslintrc.json
+++ b/apps/.eslintrc.json
@@ -34,7 +34,6 @@
         "no-delete-var": "off",
         "no-empty": "off",
         "no-inner-declarations": "off",
-        "no-mixed-spaces-and-tabs": "off",
         "no-octal": "off",
         "no-prototype-builtins": "off",
         "no-redeclare": "off",
diff --git a/apps/_example_widget/widget.js b/apps/_example_widget/widget.js
index 3893e3096..f7aed6991 100644
--- a/apps/_example_widget/widget.js
+++ b/apps/_example_widget/widget.js
@@ -3,7 +3,7 @@ currently-running apps */
 (() => {
   function draw() {
     g.reset(); // reset the graphics context to defaults (color/font/etc)
-  	// add your code
+    // add your code
     g.drawString("X", this.x, this.y);
   }
 
diff --git a/apps/berlinc/berlin-clock.js b/apps/berlinc/berlin-clock.js
index 93b584f66..0c8e2d076 100644
--- a/apps/berlinc/berlin-clock.js
+++ b/apps/berlinc/berlin-clock.js
@@ -49,7 +49,7 @@ function drawBerlinClock() {
 Bangle.on('lcdPower', (on) => {
   g.clear();
   if (on) {
-  	Bangle.drawWidgets();
+    Bangle.drawWidgets();
   // call your app function here
   drawBerlinClock();
 }});
diff --git a/apps/metronome/metronome.js b/apps/metronome/metronome.js
index add6fee16..6e0827c19 100644
--- a/apps/metronome/metronome.js
+++ b/apps/metronome/metronome.js
@@ -65,7 +65,7 @@ Bangle.on('touch', function(button) {
 // setting bpm by tapping the screen. Uses the mean time difference between several tappings.
     if (tindex < time_diffs.length) {
       if (Date.now()-tStart < 5000) {
-     	 time_diffs[tindex] = Date.now()-tStart;
+        time_diffs[tindex] = Date.now()-tStart;
       }
     } else {
       tindex=0;
diff --git a/apps/numerals/numerals.app.js b/apps/numerals/numerals.app.js
index b24e8bc5e..f95c7d379 100644
--- a/apps/numerals/numerals.app.js
+++ b/apps/numerals/numerals.app.js
@@ -51,8 +51,8 @@ function drawNum(num,col,x,y,func){
   let tx = x*100+25;
   let ty = y*104+32;
   for (let i=0;i<numerals[num].length;i++){
-	  if (i>0) g.setColor((func==fill)?"#000000":col);
-	  func(translate(tx,ty,numerals[num][i]));
+    if (i>0) g.setColor((func==fill)?"#000000":col);
+    func(translate(tx,ty,numerals[num][i]));
   }
 }
 
diff --git a/apps/widhrm/widget.js b/apps/widhrm/widget.js
index ca66f8b44..a591fa0df 100644
--- a/apps/widhrm/widget.js
+++ b/apps/widhrm/widget.js
@@ -5,7 +5,7 @@
 
   function draw() {
     var width = 24;
-  	g.reset();
+    g.reset();
     g.setFont("6x8", 1);
     g.setFontAlign(0, 0);
     g.clearRect(this.x,this.y+15,this.x+width,this.y+23); // erase background
diff --git a/apps/widram/widget.js b/apps/widram/widget.js
index 08710b726..bd44b98a4 100644
--- a/apps/widram/widget.js
+++ b/apps/widram/widget.js
@@ -1,7 +1,7 @@
 (() => {
   function draw() {
     g.reset();
-  	var m = process.memory();
+    var m = process.memory();
     var pc = Math.round(m.usage*100/m.total);
     g.drawImage(atob("BwgBqgP////AVQ=="), this.x+(24-7)/2, this.y+4);
     g.setColor(pc>70 ? "#ff0000" : (pc>50 ? "#ffff00" : "#ffffff"));