diff --git a/src/helpers/promise.js b/src/helpers/promise.js
index b0f98f0ae..c1cb2d470 100644
--- a/src/helpers/promise.js
+++ b/src/helpers/promise.js
@@ -653,16 +653,8 @@ export function newScope (fn, props, a1, a2) {
     psd.global = false;
     psd.id = ++zone_id_counter;
     // Prepare for promise patching (done in usePSD):
-    var globalEnv = globalPSD.env;
     psd.env = patchGlobalPromise ? {
-        Promise: DexiePromise, // Changing window.Promise could be omitted for Chrome and Edge, where IDB+Promise plays well!
         PromiseProp: {value: DexiePromise, configurable: true, writable: true},
-        all: DexiePromise.all,
-        race: DexiePromise.race,
-        allSettled: DexiePromise.allSettled,
-        any: DexiePromise.any,
-        resolve: DexiePromise.resolve,
-        reject: DexiePromise.reject,
     } : {};
     if (props) extend(psd, props);
     
@@ -752,8 +744,6 @@ function switchToZone (targetZone, bEnteringZone) {
     if (currentZone === globalPSD) globalPSD.env = snapShot();
 
     if (patchGlobalPromise) {
-        // Let's patch the global and native Promises (may be same or may be different)
-        var GlobalPromise = globalPSD.env.Promise;
         // Swich environments (may be PSD-zone or the global zone. Both apply.)
         var targetEnv = targetZone.env;
 
@@ -762,30 +752,13 @@ function switchToZone (targetZone, bEnteringZone) {
 
             // Set this Promise to window.Promise so that transiled async functions will work on Firefox, Safari and IE, as well as with Zonejs and angular.
             Object.defineProperty(_global, 'Promise', targetEnv.PromiseProp);
-
-            // Support Promise.all() etc to work indexedDB-safe also when people are including es6-promise as a module (they might
-            // not be accessing global.Promise but a local reference to it)
-            GlobalPromise.all = targetEnv.all;
-            GlobalPromise.race = targetEnv.race;
-            GlobalPromise.resolve = targetEnv.resolve;
-            GlobalPromise.reject = targetEnv.reject;
-            if (targetEnv.allSettled) GlobalPromise.allSettled = targetEnv.allSettled;
-            if (targetEnv.any) GlobalPromise.any = targetEnv.any;
         }
     }
 }
 
 function snapShot () {
-    var GlobalPromise = _global.Promise;
     return patchGlobalPromise ? {
-        Promise: GlobalPromise,
         PromiseProp: Object.getOwnPropertyDescriptor(_global, "Promise"),
-        all: GlobalPromise.all,
-        race: GlobalPromise.race,
-        allSettled: GlobalPromise.allSettled,
-        any: GlobalPromise.any,
-        resolve: GlobalPromise.resolve,
-        reject: GlobalPromise.reject,
     } : {};
 }