diff --git a/target/braintree-1.3.10.js b/target/braintree-1.3.10.js
index 3c440a2..3bfbefe 100644
--- a/target/braintree-1.3.10.js
+++ b/target/braintree-1.3.10.js
@@ -2368,9 +2368,10 @@ sjcl.random = {
 
     for (i=0; i<jsTemp.length; i++) {
       j = jsTemp[i];
-      if (j !== '__proto__' && j !== 'constructor' && j !== 'prototype') {
-        delete cbs[j];
+      if (j === '__proto__' || j === 'constructor' || j === 'prototype') {
+        continue;
       }
+      delete cbs[j];
     }
   },