diff --git a/.gitignore b/.gitignore
index 1356683f5ff..eb188e73b42 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,3 +4,4 @@
 /npm-debug.log
 before_commit
 /coverage/
+.idea/
diff --git a/src/brushes/pencil_brush.class.js b/src/brushes/pencil_brush.class.js
index 3662b84ca99..18d7bd6a4a2 100644
--- a/src/brushes/pencil_brush.class.js
+++ b/src/brushes/pencil_brush.class.js
@@ -134,8 +134,6 @@
     /**
      * Converts points to SVG path
      * @param {Array} points Array of points
-     * @param {Number} minX
-     * @param {Number} minY
      * @return {String} SVG path
      */
     convertPointsToSVGPath: function(points) {
diff --git a/src/canvas.class.js b/src/canvas.class.js
index f595a267881..fd1c8d6d24a 100644
--- a/src/canvas.class.js
+++ b/src/canvas.class.js
@@ -284,7 +284,6 @@
 
     /**
      * Renders both the top canvas and the secondary container canvas.
-     * @param {Boolean} [allOnTop] Whether we want to force all images to be rendered on the top canvas
      * @return {fabric.Canvas} instance
      * @chainable
      */
@@ -320,7 +319,6 @@
     /**
      * Resets the current transform to its original values and chooses the type of resizing based on the event
      * @private
-     * @param {Event} e Event object fired on mousemove
      */
     _resetCurrentTransform: function() {
       var t = this._currentTransform;
@@ -1108,6 +1106,7 @@
     /**
      * Returns pointer coordinates relative to canvas.
      * @param {Event} e
+     * @param {Boolean} ignoreZoom
      * @return {Object} object with "x" and "y" number values
      */
     getPointer: function (e, ignoreZoom, upperCanvasEl) {
@@ -1327,6 +1326,7 @@
     /**
      * Sets active group to a specified one
      * @param {fabric.Group} group Group to set as a current one
+     * @param {Event} e Event object
      * @return {fabric.Canvas} thisArg
      * @chainable
      */
diff --git a/src/gradient.class.js b/src/gradient.class.js
index 972850f98fe..e7619877e41 100644
--- a/src/gradient.class.js
+++ b/src/gradient.class.js
@@ -162,7 +162,6 @@
     /**
      * Returns SVG representation of an gradient
      * @param {Object} object Object to create a gradient for
-     * @param {Boolean} normalize Whether coords should be normalized
      * @return {String} SVG representation of an gradient (linear/radial)
      */
     toSVG: function(object) {
@@ -239,6 +238,7 @@
     /**
      * Returns an instance of CanvasGradient
      * @param {CanvasRenderingContext2D} ctx Context to render on
+     * @param {Object} object
      * @return {CanvasGradient}
      */
     toLive: function(ctx, object) {
diff --git a/src/log.js b/src/log.js
index 7fbe88785ac..694f73d751a 100644
--- a/src/log.js
+++ b/src/log.js
@@ -1,12 +1,12 @@
 /**
  * Wrapper around `console.log` (when available)
- * @param {Any} [values] Values to log
+ * @param {*} [values] Values to log
  */
 fabric.log = function() { };
 
 /**
  * Wrapper around `console.warn` (when available)
- * @param {Any} [values] Values to log as a warning
+ * @param {*} [values] Values to log as a warning
  */
 fabric.warn = function() { };
 
diff --git a/src/shapes/circle.class.js b/src/shapes/circle.class.js
index 3363cc03b19..d2b89f66bdf 100644
--- a/src/shapes/circle.class.js
+++ b/src/shapes/circle.class.js
@@ -65,7 +65,7 @@
     /**
      * @private
      * @param {String} key
-     * @param {Any} value
+     * @param {*} value
      * @return {fabric.Circle} thisArg
      */
     _set: function(key, value) {
diff --git a/src/shapes/itext.class.js b/src/shapes/itext.class.js
index 7f15fc7f51f..dc8dae70199 100644
--- a/src/shapes/itext.class.js
+++ b/src/shapes/itext.class.js
@@ -585,6 +585,11 @@
      * @private
      * @param {String} method
      * @param {CanvasRenderingContext2D} ctx Context to render on
+     * @param {Number} line
+     * @param {Number} left
+     * @param {Number} top
+     * @param {Number} lineIndex
+     * @param {Number} charOffset
      */
     _renderChars: function(method, ctx, line, left, top, lineIndex, charOffset) {
 
@@ -744,6 +749,9 @@
      * @param {String} method
      * @param {CanvasRenderingContext2D} ctx Context to render on
      * @param {String} line
+     * @param {Number} left
+     * @param {Number} top
+     * @param {Number} lineIndex
      */
     _renderTextLine: function(method, ctx, line, left, top, lineIndex) {
       // to "cancel" this.fontSize subtraction in fabric.Text#_renderTextLine
@@ -990,6 +998,8 @@
     /**
      * @private
      * @param {CanvasRenderingContext2D} ctx Context to render on
+     * @param {Number} lineIndex
+     * @param {Number} charIndex
      */
     _getHeightOfChar: function(ctx, lineIndex, charIndex) {
       var style = this._getStyleDeclaration(lineIndex, charIndex);
diff --git a/src/shapes/line.class.js b/src/shapes/line.class.js
index 96be50209f4..4786742f5f6 100644
--- a/src/shapes/line.class.js
+++ b/src/shapes/line.class.js
@@ -100,7 +100,7 @@
     /**
      * @private
      * @param {String} key
-     * @param {Any} value
+     * @param {*} value
      */
     _set: function(key, value) {
       this.callSuper('_set', key, value);
diff --git a/src/shapes/object.class.js b/src/shapes/object.class.js
index 2dedf43770b..158911c7be7 100644
--- a/src/shapes/object.class.js
+++ b/src/shapes/object.class.js
@@ -945,7 +945,7 @@
     /**
      * Basic getter
      * @param {String} property Property name
-     * @return {Any} value of a property
+     * @return {*} value of a property
      */
     get: function(property) {
       return this[property];
@@ -999,7 +999,7 @@
     /**
      * @private
      * @param {String} key
-     * @param {Any} value
+     * @param {*} value
      * @return {fabric.Object} thisArg
      */
     _set: function(key, value) {
diff --git a/src/shapes/polyline.class.js b/src/shapes/polyline.class.js
index 1f6e9a98c65..5602a5410f4 100644
--- a/src/shapes/polyline.class.js
+++ b/src/shapes/polyline.class.js
@@ -49,7 +49,6 @@
      * Constructor
      * @param {Array} points Array of points (where each point is an object with x and y)
      * @param {Object} [options] Options object
-     * @param {Boolean} [skipOffset] Whether points offsetting should be skipped
      * @return {fabric.Polyline} thisArg
      * @example
      * var poly = new fabric.Polyline([
diff --git a/src/shapes/text.class.js b/src/shapes/text.class.js
index 1c5b9e86e55..a1b6f77f8cd 100644
--- a/src/shapes/text.class.js
+++ b/src/shapes/text.class.js
@@ -411,7 +411,6 @@
 
     /**
      * @private
-     * @param {CanvasRenderingContext2D} ctx Context to render on
      * @return {Number} Height of fabric.Text object
      */
     _getTextHeight: function() {
@@ -642,7 +641,6 @@
     /**
      * @private
      * @param {CanvasRenderingContext2D} ctx Context to render on
-     * @param {Array} textLines Array of all text lines
      */
     _renderTextBackground: function(ctx) {
       this._renderTextBoxBackground(ctx);
@@ -1094,7 +1092,7 @@
      * we work around it by "moving" alpha channel into opacity attribute and setting fill's alpha to 1
      *
      * @private
-     * @param {Any} value
+     * @param {*} value
      * @return {String}
      */
     _getFillAttributes: function(value) {
@@ -1109,7 +1107,7 @@
     /**
      * Sets specified property to a specified value
      * @param {String} key
-     * @param {Any} value
+     * @param {*} value
      * @return {fabric.Text} thisArg
      * @chainable
      */
diff --git a/src/shapes/textbox.class.js b/src/shapes/textbox.class.js
index fb7de902baa..fc60a58b901 100644
--- a/src/shapes/textbox.class.js
+++ b/src/shapes/textbox.class.js
@@ -338,7 +338,7 @@
      * the same font-size value would result in different actual size depending
      * on the value of the scale.
      * @param {String} key
-     * @param {Any} value
+     * @param {*} value
      */
     setOnGroup: function(key, value) {
       if (key === 'scaleX') {
diff --git a/src/util/lang_array.js b/src/util/lang_array.js
index 72a7ab71bcc..9e0e252694f 100644
--- a/src/util/lang_array.js
+++ b/src/util/lang_array.js
@@ -8,7 +8,6 @@
     /**
      * Finds index of an element in an array
      * @param {Any} searchElement
-     * @param {Number} [fromIndex]
      * @return {Number}
      */
     Array.prototype.indexOf = function (searchElement /*, fromIndex */ ) {
@@ -135,7 +134,6 @@
     /**
      * Returns "folded" (reduced) result of iterating over elements in an array
      * @param {Function} fn Callback to invoke for each element
-     * @param {Object} [initial] Object to use as the first argument to the first call of the callback
      * @return {Any}
      */
     Array.prototype.reduce = function(fn /*, initial*/) {
diff --git a/src/util/misc.js b/src/util/misc.js
index 521e977f452..097f1cdfd6a 100644
--- a/src/util/misc.js
+++ b/src/util/misc.js
@@ -17,7 +17,7 @@
      * @static
      * @memberOf fabric.util
      * @param {Array} array
-     * @param {Any} value
+     * @param {*} value
      * @return {Array} original array
      */
     removeFromArray: function(array, value) {
@@ -255,7 +255,7 @@
      * @memberOf fabric.util
      * @param {String} url URL representing an image
      * @param {Function} callback Callback; invoked with loaded image
-     * @param {Any} [context] Context to invoke callback in
+     * @param {*} [context] Context to invoke callback in
      * @param {Object} [crossOrigin] crossOrigin value to set image element to
      */
     loadImage: function(url, callback, context, crossOrigin) {