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diff --git a/core/js/placeholder.js b/core/js/placeholder.js
deleted file mode 100644
index 8eb17b43fa4..00000000000
--- a/core/js/placeholder.js
+++ /dev/null
@@ -1,127 +0,0 @@
-/**
- * ownCloud
- *
- * @author John Molakvoæ
- * @copyright 2016 John Molakvoæ <fremulon@protonmail.com>
- * @author Morris Jobke
- * @copyright 2013 Morris Jobke <morris.jobke@gmail.com>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
- * License as published by the Free Software Foundation; either
- * version 3 of the License, or any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU AFFERO GENERAL PUBLIC LICENSE for more details.
- *
- * You should have received a copy of the GNU Affero General Public
- * License along with this library.  If not, see <http://www.gnu.org/licenses/>.
- *
- */
-
-/*
- * Adds a background color to the element called on and adds the first character
- * of the passed in string. This string is also the seed for the generation of
- * the background color.
- *
- * You have following HTML:
- *
- * <div id="albumart"></div>
- *
- * And call this from Javascript:
- *
- * $('#albumart').imageplaceholder('The Album Title');
- *
- * Which will result in:
- *
- * <div id="albumart" style="background-color: hsl(123, 90%, 65%); ... ">T</div>
- *
- * You may also call it like this, to have a different background, than the seed:
- *
- * $('#albumart').imageplaceholder('The Album Title', 'Album Title');
- *
- * Resulting in:
- *
- * <div id="albumart" style="background-color: hsl(123, 90%, 65%); ... ">A</div>
- *
- */
-
-(function ($) {
-	$.fn.imageplaceholder = function(seed, text, size) {
-		text = text || seed;
-
-		var hash = seed.toLowerCase().replace(/[^0-9a-f]+/g, '');
-
-		// Already a md5 hash?
-		if( !hash.match(/^[0-9a-f]{32}$/g) ) {
-			hash = md5(hash);
-		}
-
-		function rgbToHsl(r, g, b) {
-			r /= 255, g /= 255, b /= 255;
-			var max = Math.max(r, g, b), min = Math.min(r, g, b);
-			var h, s, l = (max + min) / 2;
-			if(max === min) {
-				h = s = 0; // achromatic
-			} else {
-				var d = max - min;
-				s = l > 0.5 ? d / (2 - max - min) : d / (max + min);
-				switch(max) {
-				case r: h = (g - b) / d + (g < b ? 6 : 0); break;
-				case g: h = (b - r) / d + 2; break;
-				case b: h = (r - g) / d + 4; break;
-				}
-				h /= 6;
-			}
-			return [h, s, l];
-		}
-
-		// Init vars
-		var result = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0];
-		var rgb = [0, 0, 0];
-		var sat = 80;
-		var lum = 68;
-		var modulo = 16;
-
-		// Splitting evenly the string
-		for(var i in hash) {
-			result[i%modulo] = result[i%modulo] + parseInt(hash.charAt(i), 16).toString();
-		}
-
-		// Converting our data into a usable rgb format
-		// Start at 1 because 16%3=1 but 15%3=0 and makes the repartition even
-		for(var count=1;count<modulo;count++) {
-			rgb[count%3] += parseInt(result[count]);
-		}
-		var hsl = rgbToHsl(rgb[0], rgb[1], rgb[2]);
-
-		// Classic formulla to check the brigtness for our eye
-		// If too bright, lower the sat
-		var bright = Math.sqrt( 0.299 * Math.pow(rgb[0], 2) + 0.587 * Math.pow(rgb[1], 2) + 0.114 * Math.pow(rgb[2], 2) );
-		if (bright >= 200) {
-			sat = 60;
-		}
-		var hue = parseInt(hsl[0] * 360);
-		this.css('background-color', 'hsl('+hue+', '+sat+'%, '+lum+'%)');
-
-		// Placeholders are square
-		var height = this.height() || size || 32;
-		this.height(height);
-		this.width(height);
-
-		// CSS rules
-		this.css('color', '#fff');
-		this.css('font-weight', 'normal');
-		this.css('text-align', 'center');
-
-		// calculate the height
-		this.css('line-height', height + 'px');
-		this.css('font-size', (height * 0.55) + 'px');
-
-		if(seed !== null && seed.length) {
-			this.html(text[0].toUpperCase());
-		}
-	};
-}(jQuery));