diff --git a/files/en-us/_redirects.txt b/files/en-us/_redirects.txt
index 0b427b29241c3ef..b2c8cb32647c059 100644
--- a/files/en-us/_redirects.txt
+++ b/files/en-us/_redirects.txt
@@ -4070,7 +4070,6 @@
 /en-US/docs/IndexedDB/IDBDatabase	/en-US/docs/Web/API/IDBDatabase
 /en-US/docs/IndexedDB/IDBDatabaseException	/en-US/docs/Web/API/IDBDatabaseException
 /en-US/docs/IndexedDB/IDBDatabaseSync	/en-US/docs/Web/API/IDBDatabaseSync
-/en-US/docs/IndexedDB/IDBEnvironment	/en-US/docs/Web/API/IDBEnvironment
 /en-US/docs/IndexedDB/IDBEnvironmentSync	/en-US/docs/Web/API/IDBEnvironmentSync
 /en-US/docs/IndexedDB/IDBFactory	/en-US/docs/Web/API/IDBFactory
 /en-US/docs/IndexedDB/IDBFactorySync	/en-US/docs/Web/API/IDBFactorySync
diff --git a/files/en-us/_wikihistory.json b/files/en-us/_wikihistory.json
index 7e173f01bd10ccf..bbecb23ed5b5140 100644
--- a/files/en-us/_wikihistory.json
+++ b/files/en-us/_wikihistory.json
@@ -55783,26 +55783,6 @@
       "jswisher"
     ]
   },
-  "Web/API/IDBEnvironment": {
-    "modified": "2020-10-15T21:10:19.583Z",
-    "contributors": [
-      "sideshowbarker",
-      "fscholz",
-      "arronei",
-      "chrisdavidmills",
-      "libbymc",
-      "Brettz9",
-      "pdm",
-      "amaneight",
-      "teoli",
-      "ethertank",
-      "wbamberg",
-      "scottrowe",
-      "sicking",
-      "grendel",
-      "jswisher"
-    ]
-  },
   "Web/API/IDBEnvironmentSync": {
     "modified": "2019-03-24T00:10:38.611Z",
     "contributors": [
diff --git a/files/en-us/web/api/idbenvironment/index.html b/files/en-us/web/api/idbenvironment/index.html
deleted file mode 100644
index 9038caa7e84daf5..000000000000000
--- a/files/en-us/web/api/idbenvironment/index.html
+++ /dev/null
@@ -1,63 +0,0 @@
----
-title: IDBEnvironment
-slug: Web/API/IDBEnvironment
-tags:
-  - API
-  - DOM
-  - Database
-  - IDBEnvironment
-  - IndexedDB
-  - Interface
-  - Deprecated
-  - Reference
-  - Storage
-  - access
-  - asynchronous
-  - client-side
-browser-compat: api.IDBEnvironment
----
-<p>{{APIRef()}}{{deprecated_header}}</p>
-
-<div class="warning">
-<p><strong>Warning:</strong> The <code>indexedDB</code> property that was previously defined in this mixin is instead now {{domxref("WindowOrWorkerGlobalScope.indexedDB")}} (that is, defined as a member of the {{domxref("WindowOrWorkerGlobalScope")}} mixin).</p>
-</div>
-
-<p>The <strong><code>IDBEnvironment</code></strong> helper of the <a href="/en-US/docs/Web/API/IndexedDB_API">IndexedDB API</a> contains the <code>indexedDB</code> property, which provides access to IndexedDB functionality. It is the top level IndexedDB interface implemented by the {{domxref("window")}} and {{domxref("Worker")}} objects.</p>
-
-<p>{{AvailableInWorkers}}</p>
-
-<h2 id="Properties">Properties</h2>
-
-<dl>
- <dt>{{domxref("WindowOrWorkerGlobalScope.indexedDB")}} {{readonlyInline}}</dt>
- <dd>Provides a mechanism for applications to asynchronously access capabilities of indexed databases; contains an {{domxref("IDBFactory")}} object.</dd>
-</dl>
-
-<h2 id="Example">Example</h2>
-
-<p>The following code creates a request for a database to be opened asynchronously, after which the database is opened when the request's <code>onsuccess</code> handler is fired:</p>
-
-<pre class="brush: js;">var db;
-function openDB() {
- var DBOpenRequest = window.indexedDB.open("toDoList");
- DBOpenRequest.onsuccess = function(e) {
-   db = DBOpenRequest.result;
- };
-}
-</pre>
-
-<h2 id="Browser_compatibility">Browser compatibility</h2>
-
-<p>{{Compat}}</p>
-
-<h2 id="See_also">See also</h2>
-
-<ul>
- <li><a href="/en-US/docs/Web/API/IndexedDB_API/Using_IndexedDB">Using IndexedDB</a></li>
- <li>Starting transactions: {{domxref("IDBDatabase")}}</li>
- <li>Using transactions: {{domxref("IDBTransaction")}}</li>
- <li>Setting a range of keys: {{domxref("IDBKeyRange")}}</li>
- <li>Retrieving and making changes to your data: {{domxref("IDBObjectStore")}}</li>
- <li>Using cursors: {{domxref("IDBCursor")}}</li>
- <li>Reference example: <a href="https://github.com/mdn/to-do-notifications/tree/gh-pages">To-do Notifications</a> (<a href="https://mdn.github.io/to-do-notifications/">view example live</a>.)</li>
-</ul>
diff --git a/files/en-us/web/api/indexeddb_api/index.html b/files/en-us/web/api/indexeddb_api/index.html
index 63733b781bae68f..bfa0c78e98f7ee8 100644
--- a/files/en-us/web/api/indexeddb_api/index.html
+++ b/files/en-us/web/api/indexeddb_api/index.html
@@ -49,8 +49,6 @@ <h2 id="Interfaces">Interfaces</h2>
 <h3 id="Connecting_to_a_database">Connecting to a database</h3>
 
 <dl>
- <dt>{{domxref("IDBEnvironment")}}</dt>
- <dd>Provides access to IndexedDB functionality. It is implemented by the {{domxref("window")}} and {{domxref("worker")}} objects. This interface isn't part of the 2.0 specification.</dd>
  <dt>{{domxref("IDBFactory")}}</dt>
  <dd>Provides access to a database. This is the interface implemented by the global object {{domxref("WindowOrWorkerGlobalScope/indexedDB", "indexedDB")}} and is therefore the entry point for the API.</dd>
  <dt>{{domxref("IDBOpenDBRequest")}}</dt>