diff --git a/src/display/canvas.js b/src/display/canvas.js
index 8fc6e8d7d..64e683d08 100644
--- a/src/display/canvas.js
+++ b/src/display/canvas.js
@@ -125,47 +125,47 @@ function mirrorContextOperations(ctx, destCtx) {
     delete ctx._removeMirroring;
   };
 
-  ctx.save = function ctxSave() {
+  ctx.save = function () {
     destCtx.save();
     this.__originalSave();
   };
 
-  ctx.restore = function ctxRestore() {
+  ctx.restore = function () {
     destCtx.restore();
     this.__originalRestore();
   };
 
-  ctx.translate = function ctxTranslate(x, y) {
+  ctx.translate = function (x, y) {
     destCtx.translate(x, y);
     this.__originalTranslate(x, y);
   };
 
-  ctx.scale = function ctxScale(x, y) {
+  ctx.scale = function (x, y) {
     destCtx.scale(x, y);
     this.__originalScale(x, y);
   };
 
-  ctx.transform = function ctxTransform(a, b, c, d, e, f) {
+  ctx.transform = function (a, b, c, d, e, f) {
     destCtx.transform(a, b, c, d, e, f);
     this.__originalTransform(a, b, c, d, e, f);
   };
 
-  ctx.setTransform = function ctxSetTransform(a, b, c, d, e, f) {
+  ctx.setTransform = function (a, b, c, d, e, f) {
     destCtx.setTransform(a, b, c, d, e, f);
     this.__originalSetTransform(a, b, c, d, e, f);
   };
 
-  ctx.resetTransform = function ctxResetTransform() {
+  ctx.resetTransform = function () {
     destCtx.resetTransform();
     this.__originalResetTransform();
   };
 
-  ctx.rotate = function ctxRotate(angle) {
+  ctx.rotate = function (angle) {
     destCtx.rotate(angle);
     this.__originalRotate(angle);
   };
 
-  ctx.clip = function ctxRotate(rule) {
+  ctx.clip = function (rule) {
     destCtx.clip(rule);
     this.__originalClip(rule);
   };