diff --git a/app/assets/javascripts/app/lib/base/jquery.sew.js b/app/assets/javascripts/app/lib/base/jquery.sew.js
deleted file mode 100644
index 6c2046b1a..000000000
--- a/app/assets/javascripts/app/lib/base/jquery.sew.js
+++ /dev/null
@@ -1,276 +0,0 @@
-/**
- * jQuery plugin for getting position of cursor in textarea
- * @license under dfyw (do the fuck you want)
- * @author leChantaux (@leChantaux)
- */
-
-(function ($, window, undefined) {
-	// Create the defaults once
-	var elementFactory = function (element, value) {
-		element.text(value.val);
-	};
-
-	var pluginName = 'sew',
-		document = window.document,
-		defaults = {
-			token: '@',
-			elementFactory: elementFactory,
-			values: [],
-			unique: false,
-			repeat: true
-		};
-
-	function Plugin(element, options) {
-		this.element = element;
-		this.$element = $(element);
-		this.$itemList = $(Plugin.MENU_TEMPLATE);
-
-		this.options = $.extend({}, defaults, options);
-		this.reset();
-
-		this._defaults = defaults;
-		this._name = pluginName;
-
-//    this.expression = new RegExp('(?:^|\\b|\\s)' + this.options.token + '([\\w.]*)$');
-    this.expression = new RegExp('' + this.options.token + '([\\w.]*)$');
-		this.cleanupHandle = null;
-
-		this.init();
-	}
-
-	Plugin.MENU_TEMPLATE = "<div class='-sew-list-container' style='display: none; position: absolute;'><ul class='-sew-list'></ul></div>";
-
-	Plugin.ITEM_TEMPLATE = '<li class="-sew-list-item"></li>';
-
-	Plugin.KEYS = [40, 38, 13, 27, 9];
-
-	Plugin.prototype.init = function () {
-		if(this.options.values.length < 1) return;
-
-		this.$element
-									.bind('keyup', $.proxy(this.onKeyUp, this))
-									.bind('keydown', $.proxy(this.onKeyDown, this))
-									.bind('focus', $.proxy(this.renderElements, this, this.options.values))
-									.bind('blur', $.proxy(this.remove, this));
-	};
-
-	Plugin.prototype.reset = function () {
-		if(this.options.unique) {
-			this.options.values = Plugin.getUniqueElements(this.options.values);
-		}
-
-		this.index = 0;
-		this.matched = false;
-		this.dontFilter = false;
-		this.lastFilter = undefined;
-		this.filtered = this.options.values.slice(0);
-	};
-
-	Plugin.prototype.next = function () {
-		this.index = (this.index + 1) % this.filtered.length;
-		this.hightlightItem();
-	};
-
-	Plugin.prototype.prev = function () {
-		this.index = (this.index + this.filtered.length - 1) % this.filtered.length;
-		this.hightlightItem();
-	};
-
-	Plugin.prototype.select = function () {
-		this.replace(this.filtered[this.index].val);
-		this.hideList();
-	};
-
-	Plugin.prototype.remove = function () {
-		this.$itemList.fadeOut('slow');
-
-		this.cleanupHandle = window.setTimeout($.proxy(function () {
-			this.$itemList.remove();
-		}, this), 1000);
-	};
-
-	Plugin.prototype.replace = function (replacement) {
-		var startpos = this.$element.getCursorPosition();
-//		var separator = startpos === 1 ? '' : ' ';
-    var separator = startpos === 1 ? '' : '';
-
-		var fullStuff = this.getText();
-		var val = fullStuff.substring(0, startpos);
-//		val = val.replace(this.expression, separator + this.options.token + replacement);
-    val = val.replace(this.expression, separator + replacement);
-
-		var posfix = fullStuff.substring(startpos, fullStuff.length);
-		var separator2 = posfix.match(/^\s/) ? '' : ' ';
-
-		var finalFight = val + separator2 + posfix;
-		this.setText(finalFight);
-		this.$element.setCursorPosition(val.length + 1);
-	};
-
-	Plugin.prototype.hightlightItem = function () {
-		this.$itemList.find(".-sew-list-item").removeClass("selected");
-
-		var container = this.$itemList.find(".-sew-list-item").parent();
-		var element = this.filtered[this.index].element.addClass("selected");
-
-		var scrollPosition = element.position().top;
-		container.scrollTop(container.scrollTop() + scrollPosition);
-	};
-
-	Plugin.prototype.renderElements = function (values) {
-		$("body").append(this.$itemList);
-
-		var container = this.$itemList.find('ul').empty();
-		values.forEach($.proxy(function (e, i) {
-			var $item = $(Plugin.ITEM_TEMPLATE);
-
-			this.options.elementFactory($item, e);
-
-			e.element = $item.appendTo(container).bind('click', $.proxy(this.onItemClick, this, e)).bind('mouseover', $.proxy(this.onItemHover, this, i));
-		}, this));
-
-		this.index = 0;
-		this.hightlightItem();
-	};
-
-	Plugin.prototype.displayList = function () {
-		if(!this.filtered.length) return;
-
-		this.$itemList.show();
-		var element = this.$element;
-		var offset = this.$element.offset();
-		var pos = element.getCaretPosition();
-
-		this.$itemList.css({
-			left: offset.left + pos.left,
-			top: offset.top + pos.top
-		});
-	};
-
-	Plugin.prototype.hideList = function () {
-		this.$itemList.hide();
-		this.reset();
-	};
-
-	Plugin.prototype.filterList = function (val) {
-		if(val == this.lastFilter) return;
-
-		this.lastFilter = val;
-		this.$itemList.find(".-sew-list-item").remove();
-		var values = this.options.values;
-
-
-		var vals = this.filtered = values.filter($.proxy(function (e) {
-//			var exp = new RegExp('\\W*' + this.options.token + e.val + '(\\W|$)');
-      var exp = new RegExp('\\W*' + this.options.token + escapeRegExp(e.val) + '(\\W|$)');
-			if(!this.options.repeat && this.getText().match(exp)) {
-				return false;
-			}
-
-			return	val === "" ||
-							e.val.toLowerCase().indexOf(val.toLowerCase()) >= 0 ||
-              (e.keywords || "").toLowerCase().indexOf(val.toLowerCase()) >= 0;
-//							(e.meta || "").toLowerCase().indexOf(val.toLowerCase()) >= 0;
-		}, this));
-
-		if(vals.length) {
-			this.renderElements(vals);
-			this.$itemList.show();
-		} else {
-			this.hideList();
-		}
-	};
-
-	Plugin.getUniqueElements = function (elements) {
-		var target = [];
-
-		elements.forEach(function (e) {
-			var hasElement = target.map(function (j) { return j.val; }).indexOf(e.val) >= 0;
-			if(hasElement) return;
-			target.push(e);
-		});
-
-		return target;
-	};
-
-	Plugin.prototype.getText = function () {
-		return(this.$element.val() || this.$element.text());
-	};
-
-	Plugin.prototype.setText = function (text) {
-		if(this.$element.prop('tagName').match(/input|textarea/i)) {
-			this.$element.val(text);
-		} else {
-			// poors man sanitization
-			text = $("<span>").text(text).html().replace(/\s/g, '&nbsp');
-			this.$element.html(text);
-		}
-	};
-
-	Plugin.prototype.onKeyUp = function (e) {
-		var startpos = this.$element.getCursorPosition();
-		var val = this.getText().substring(0, startpos);
-		var matches = val.match(this.expression);
-
-		if(!matches && this.matched) {
-			this.matched = false;
-			this.dontFilter = false;
-			this.hideList();
-			return;
-		}
-
-		if(matches && !this.matched) {
-			this.displayList();
-			this.lastFilter = "\n";
-			this.matched = true;
-		}
-
-		if(matches && !this.dontFilter) {
-			this.filterList(matches[1]);
-		}
-	};
-
-	Plugin.prototype.onKeyDown = function (e) {
-		var listVisible = this.$itemList.is(":visible");
-		if(!listVisible || (Plugin.KEYS.indexOf(e.keyCode) < 0)) return;
-
-		switch(e.keyCode) {
-		case 9:
-		case 13:
-			this.select();
-			break;
-		case 40:
-			this.next();
-			break;
-		case 38:
-			this.prev();
-			break;
-		case 27:
-			this.$itemList.hide();
-			this.dontFilter = true;
-			break;
-		}
-
-		e.preventDefault();
-	};
-
-	Plugin.prototype.onItemClick = function (element, e) {
-		if(this.cleanupHandle) window.clearTimeout(this.cleanupHandle);
-
-		this.replace(element.val);
-		this.hideList();
-	};
-
-	Plugin.prototype.onItemHover = function (index, e) {
-		this.index = index;
-		this.hightlightItem();
-	};
-
-	$.fn[pluginName] = function (options) {
-		return this.each(function () {
-			if(!$.data(this, 'plugin_' + pluginName)) {
-				$.data(this, 'plugin_' + pluginName, new Plugin(this, options));
-			}
-		});
-	};
-}(jQuery, window));
diff --git a/app/assets/stylesheets/application.css b/app/assets/stylesheets/application.css
index 2a62fb00b..9a579b73b 100644
--- a/app/assets/stylesheets/application.css
+++ b/app/assets/stylesheets/application.css
@@ -8,7 +8,6 @@
  *= require ./fineuploader.css
  *= require ./ui-lightness/jquery-ui-1.11.2.css
  *= require ./bootstrap-tokenfield.css
- *= require ./sew.css
  *= require ./font.css
  *= require ./svg-dimensions.css
  *= require ./highlighter-github.css
diff --git a/app/assets/stylesheets/sew.css b/app/assets/stylesheets/sew.css
deleted file mode 100644
index e2813ee0c..000000000
--- a/app/assets/stylesheets/sew.css
+++ /dev/null
@@ -1,37 +0,0 @@
-.-sew-list-container {
-  background: white;
-  border: 1px solid #DDD;
-  border-radius: 3px;
-  box-shadow: 0 0 5px rgba(0, 0, 0, 0.1);
-  min-width: 180px;
-}
-
-.-sew-list {
-  list-style: none;
-  margin: 0;
-  padding: 0;
-  max-height: 180px;
-  overflow: scroll;
-}
-
-.-sew-list-item {
-  display: block;
-  padding: 5px 10px;
-  border-bottom: 1px solid #DDD;
-  cursor: pointer;
-  overflow: hidden;
-  text-overflow: ellipsis;
-  white-space: nowrap;
-  max-width: 400px;
-}
-
-
-.-sew-list-item small {
-  color: #afafaf;
-}
-
-.-sew-list-item.selected {
-  color: white;
-  background: #4183C4;
-  text-decoration: none;
-}