diff --git a/src/pattern.js b/src/pattern.js
index 8e7760e51..2a31fec4a 100644
--- a/src/pattern.js
+++ b/src/pattern.js
@@ -97,7 +97,7 @@ Shadings.RadialAxial = (function radialAxialShading() {
     this.colorStops = colorStops;
   }
 
-  constructor.fromIR = function(ctx, raw) {
+  constructor.fromIR = function radialAxialShadingGetIR(ctx, raw) {
     var type = raw[1];
     var colorStops = raw[2];
     var p0 = raw[3];
@@ -129,7 +129,7 @@ Shadings.RadialAxial = (function radialAxialShading() {
   }
 
   constructor.prototype = {
-    getIR: function RadialAxialShading_getIR() {
+    getIR: function radialAxialShadingGetIR() {
       var coordsArr = this.coordsArr;
       var type = this.shadingType;
       if (type == 2) {
@@ -164,12 +164,12 @@ Shadings.Dummy = (function dummyShading() {
     this.type = 'Pattern';
   }
 
-  constructor.fromIR = function() {
+  constructor.fromIR = function dummyShadingFromIR() {
     return 'hotpink';
   }
 
   constructor.prototype = {
-    getIR: function dummpy_getir() {
+    getIR: function dummyShadingGetIR() {
       return ['Dummy'];
     }
   };
diff --git a/src/stream.js b/src/stream.js
index 2b10e2fbd..73b096f1e 100644
--- a/src/stream.js
+++ b/src/stream.js
@@ -801,7 +801,7 @@ var JpegStream = (function jpegStream() {
   }
 
   constructor.prototype = {
-    getIR: function() {
+    getIR: function jpegStreamGetIR() {
       return this.src;
     },
     getChar: function jpegStreamGetChar() {
diff --git a/src/util.js b/src/util.js
index 9765914ca..41ae4cc96 100644
--- a/src/util.js
+++ b/src/util.js
@@ -197,7 +197,7 @@ function isPDFFunction(v) {
  * can be set. If any of these happens twice or the data is required before
  * it was set, an exception is throw.
  */
-var Promise = (function() {
+var Promise = (function promise() {
   var EMPTY_PROMISE = {};
 
   /**
@@ -244,7 +244,7 @@ var Promise = (function() {
       return this._data;
     },
 
-    onData: function(callback) {
+    onData: function promiseOnData(callback) {
       if (this._data !== EMPTY_PROMISE) {
         callback(this._data);
       } else {
@@ -252,7 +252,7 @@ var Promise = (function() {
       }
     },
 
-    resolve: function(data) {
+    resolve: function promiseResolve(data) {
       if (this.isResolved) {
         throw 'A Promise can be resolved only once ' + this.name;
       }
@@ -266,7 +266,7 @@ var Promise = (function() {
       }
     },
 
-    then: function(callback) {
+    then: function promiseThen(callback) {
       if (!callback) {
         throw 'Requiring callback' + this.name;
       }