diff --git a/src/animation/PropertyBinding.js b/src/animation/PropertyBinding.js
index 8eecd5bde9061a11c46eaab09bcf10181bdaf045..93137d29f6ac19737cb5e738fbb4c42c9ddfffcb 100644
--- a/src/animation/PropertyBinding.js
+++ b/src/animation/PropertyBinding.js
@@ -143,7 +143,7 @@ Object.assign( PropertyBinding, {
 
 		var supportedObjectNames = [ 'material', 'materials', 'bones' ];
 
-		return function ( trackName ) {
+		return function parseTrackName( trackName ) {
 
 			var matches = trackRe.exec( trackName );
 
diff --git a/src/loaders/JSONLoader.js b/src/loaders/JSONLoader.js
index 3232f59dd66bf029b1898d1fd7e92b3810a3c866..f0a2b3f518c3fc22d20c178bb3333c12e1842cc3 100644
--- a/src/loaders/JSONLoader.js
+++ b/src/loaders/JSONLoader.js
@@ -525,7 +525,7 @@ Object.assign( JSONLoader.prototype, {
 
 		}
 
-		return function ( json, texturePath ) {
+		return function parse( json, texturePath ) {
 
 			if ( json.data !== undefined ) {
 
diff --git a/src/math/Math.js b/src/math/Math.js
index bbc23eb4cb983548e6c103bd0ffef826ac31cf8a..d49e9b833ee7bb5f1094841a3e2660b46e4e8c94 100644
--- a/src/math/Math.js
+++ b/src/math/Math.js
@@ -20,7 +20,7 @@ var _Math = {
 
 		}
 
-		return function () {
+		return function generateUUID() {
 
 			var d0 = Math.random() * 0xffffffff | 0;
 			var d1 = Math.random() * 0xffffffff | 0;