diff --git a/angular.json b/angular.json
index f0ce617..69983dd 100644
--- a/angular.json
+++ b/angular.json
@@ -119,5 +119,8 @@
     "@schematics/angular:directive": {
       "prefix": "app"
     }
+  },
+  "cli": {
+    "analytics": false
   }
-}
+}
\ No newline at end of file
diff --git a/package-lock.json b/package-lock.json
index 0dc9015..85bd4f0 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -3772,12 +3772,6 @@
         }
       }
     },
-    "core-js": {
-      "version": "3.6.5",
-      "resolved": "https://registry.npmjs.org/core-js/-/core-js-3.6.5.tgz",
-      "integrity": "sha512-vZVEEwZoIsI+vPEuoF9Iqf5H7/M3eeQqWlQnYa8FSKKePuYTf5MWnxb5SDAzCa60b3JBRS5g9b+Dq7b1y/RCrA==",
-      "dev": true
-    },
     "core-js-compat": {
       "version": "3.6.5",
       "resolved": "https://registry.npmjs.org/core-js-compat/-/core-js-compat-3.6.5.tgz",
diff --git a/package.json b/package.json
index 5997ade..49f58df 100644
--- a/package.json
+++ b/package.json
@@ -73,7 +73,6 @@
     "tslib": "^2.0.0",
     "tslint": "~6.1.0",
     "typescript": "~3.9.5",
-    "zone.js": "~0.10.0",
-    "core-js": "^3.5.0"
+    "zone.js": "~0.10.0"
   }
 }
diff --git a/projects/ngx-restangular/package.json b/projects/ngx-restangular/package.json
index 0c27ff3..0d67909 100644
--- a/projects/ngx-restangular/package.json
+++ b/projects/ngx-restangular/package.json
@@ -1,6 +1,6 @@
 {
   "name": "ngx-restangular",
-  "version": "6.0.0",
+  "version": "6.0.1",
   "description": "ngx-restangular",
   "repository": {
     "type": "git",
@@ -54,7 +54,6 @@
     "@angular/core": "^10.0.0",
     "@angular/common": "^10.0.0",
     "@angular/platform-browser": "^10.0.0",
-    "core-js": "^3.5.0",
     "rxjs": "^6.0"
   },
   "dependencies": {
diff --git a/projects/ngx-restangular/src/lib/ngx-restangular-helper.ts b/projects/ngx-restangular/src/lib/ngx-restangular-helper.ts
index 21e1c76..6ea733b 100644
--- a/projects/ngx-restangular/src/lib/ngx-restangular-helper.ts
+++ b/projects/ngx-restangular/src/lib/ngx-restangular-helper.ts
@@ -1,7 +1,5 @@
 import { HttpRequest, HttpHeaders, HttpParams } from '@angular/common/http';
 
-import { assign } from 'core-js/features/object';
-
 export class RestangularHelper {
 
   static createRequest(options) {
@@ -38,7 +36,7 @@ export class RestangularHelper {
   }
 
   static createRequestQueryParams(queryParams) {
-    const requestQueryParams = assign({}, queryParams);
+    const requestQueryParams = Object.assign({}, queryParams);
     let search: HttpParams = new HttpParams();
 
     for (const key in requestQueryParams) {
@@ -67,6 +65,6 @@ export class RestangularHelper {
       }
     }
 
-    return new HttpHeaders(assign({}, headers));
+    return new HttpHeaders(Object.assign({}, headers));
   }
 }
diff --git a/projects/ngx-restangular/src/lib/ngx-restangular.ts b/projects/ngx-restangular/src/lib/ngx-restangular.ts
index 1d17be8..32cebfb 100644
--- a/projects/ngx-restangular/src/lib/ngx-restangular.ts
+++ b/projects/ngx-restangular/src/lib/ngx-restangular.ts
@@ -1,5 +1,4 @@
 import { Injectable, Inject, Injector, Optional, Type } from '@angular/core';
-import { assign } from 'core-js/features/object';
 import {
   map,
   bind,
@@ -137,7 +136,7 @@ export class Restangular {
   ) {
     this.provider = new providerConfig(http);
     const element = this.provider.$get();
-    assign(this, element);
+    Object.assign(this, element);
 
     this.setDefaultConfig();
   }
@@ -314,7 +313,7 @@ function providerConfig($http) {
       }
 
       function copyRestangularizedElement(fromElement, toElement = {}) {
-        const copiedElement = assign(toElement, fromElement);
+        const copiedElement = Object.assign(toElement, fromElement);
         return restangularizeElem(copiedElement[config.restangularFields.parentResource],
           copiedElement, copiedElement[config.restangularFields.route], true);
       }