diff --git a/aio/package.json b/aio/package.json
index 0d7237f6c8..4ce37420bb 100644
--- a/aio/package.json
+++ b/aio/package.json
@@ -87,7 +87,6 @@
     "jasmine": "^2.6.0",
     "ng-pwa-tools": "^0.0.10",
     "rxjs": "6.0.0-uncanny-rc.7",
-    "rxjs-compat": "6.0.0-uncanny-rc.7",
     "tslib": "^1.9.0",
     "web-animations-js": "^2.2.5",
     "zone.js": "^0.8.26"
diff --git a/aio/scripts/_payload-limits.json b/aio/scripts/_payload-limits.json
index 932d5df02e..98a1ad4f13 100755
--- a/aio/scripts/_payload-limits.json
+++ b/aio/scripts/_payload-limits.json
@@ -3,7 +3,7 @@
     "master": {
       "uncompressed": {
         "runtime": 2712,
-        "main": 458226,
+        "main": 457989,
         "polyfills": 38453,
         "prettify": 14913
       }
diff --git a/aio/src/app/custom-elements/code/pretty-printer.service.ts b/aio/src/app/custom-elements/code/pretty-printer.service.ts
index d80ca8e6f3..d56a3a27fc 100644
--- a/aio/src/app/custom-elements/code/pretty-printer.service.ts
+++ b/aio/src/app/custom-elements/code/pretty-printer.service.ts
@@ -2,8 +2,6 @@ import { Injectable } from '@angular/core';
 
 import { from as fromPromise, Observable } from 'rxjs';
 import { first, map, share } from 'rxjs/operators';
-import 'rxjs/add/operator/map';
-import 'rxjs/add/operator/share';
 
 import { Logger } from 'app/shared/logger.service';
 
diff --git a/aio/src/app/custom-elements/toc/toc.component.ts b/aio/src/app/custom-elements/toc/toc.component.ts
index bfe545e06f..b79736af07 100644
--- a/aio/src/app/custom-elements/toc/toc.component.ts
+++ b/aio/src/app/custom-elements/toc/toc.component.ts
@@ -1,7 +1,6 @@
 import { AfterViewInit, Component, ElementRef, OnDestroy, OnInit, QueryList, ViewChildren } from '@angular/core';
 import { asapScheduler as asap, combineLatest, Subject } from 'rxjs';
 import { startWith, subscribeOn, takeUntil } from 'rxjs/operators';
-import 'rxjs/add/operator/startWith';
 
 import { ScrollService } from 'app/shared/scroll.service';
 import { TocItem, TocService } from 'app/shared/toc.service';
diff --git a/aio/src/app/documents/document.service.ts b/aio/src/app/documents/document.service.ts
index 3d570e88fe..432e1c4ab2 100644
--- a/aio/src/app/documents/document.service.ts
+++ b/aio/src/app/documents/document.service.ts
@@ -3,7 +3,6 @@ import { HttpClient, HttpErrorResponse } from '@angular/common/http';
 
 import { AsyncSubject, Observable, of } from 'rxjs';
 import { catchError, switchMap, tap } from 'rxjs/operators';
-import 'rxjs/add/operator/do';
 
 import { DocumentContents } from './document-contents';
 export { DocumentContents } from './document-contents';
diff --git a/aio/yarn.lock b/aio/yarn.lock
index 1d80cbda09..d9a5a48217 100644
--- a/aio/yarn.lock
+++ b/aio/yarn.lock
@@ -8904,10 +8904,6 @@ rx@2.3.24:
   version "2.3.24"
   resolved "https://registry.yarnpkg.com/rx/-/rx-2.3.24.tgz#14f950a4217d7e35daa71bbcbe58eff68ea4b2b7"
 
-rxjs-compat@6.0.0-uncanny-rc.7:
-  version "6.0.0-uncanny-rc.7"
-  resolved "https://registry.yarnpkg.com/rxjs-compat/-/rxjs-compat-6.0.0-uncanny-rc.7.tgz#4d9d88c2296aefda6b6503a52c27d1bf7e6ff1f0"
-
 rxjs@6.0.0-uncanny-rc.7:
   version "6.0.0-uncanny-rc.7"
   resolved "https://registry.yarnpkg.com/rxjs/-/rxjs-6.0.0-uncanny-rc.7.tgz#e5d6ebe2c538c583bf4b3600b60112d64a7a6991"