diff --git a/src/ol/control/FullScreen.js b/src/ol/control/FullScreen.js
index 792372e84b..a6aeb9a8c3 100644
--- a/src/ol/control/FullScreen.js
+++ b/src/ol/control/FullScreen.js
@@ -245,8 +245,8 @@ class FullScreen extends Control {
 function isFullScreenSupported() {
   const body = document.body;
   return !!(
-    body.webkitRequestFullscreen ||
-    (body.msRequestFullscreen && document.msFullscreenEnabled) ||
+    body['webkitRequestFullscreen'] ||
+    (body['msRequestFullscreen'] && document['msFullscreenEnabled']) ||
     (body.requestFullscreen && document.fullscreenEnabled)
   );
 }
@@ -256,8 +256,8 @@ function isFullScreenSupported() {
  */
 function isFullScreen() {
   return !!(
-    document.webkitIsFullScreen ||
-    document.msFullscreenElement ||
+    document['webkitIsFullScreen'] ||
+    document['msFullscreenElement'] ||
     document.fullscreenElement
   );
 }
@@ -269,10 +269,10 @@ function isFullScreen() {
 function requestFullScreen(element) {
   if (element.requestFullscreen) {
     element.requestFullscreen();
-  } else if (element.msRequestFullscreen) {
-    element.msRequestFullscreen();
-  } else if (element.webkitRequestFullscreen) {
-    element.webkitRequestFullscreen();
+  } else if (element['msRequestFullscreen']) {
+    element['msRequestFullscreen']();
+  } else if (element['webkitRequestFullscreen']) {
+    element['webkitRequestFullscreen']();
   }
 }
 
@@ -281,8 +281,8 @@ function requestFullScreen(element) {
  * @param {HTMLElement} element Element to request fullscreen
  */
 function requestFullScreenWithKeys(element) {
-  if (element.webkitRequestFullscreen) {
-    element.webkitRequestFullscreen();
+  if (element['webkitRequestFullscreen']) {
+    element['webkitRequestFullscreen']();
   } else {
     requestFullScreen(element);
   }
@@ -294,10 +294,10 @@ function requestFullScreenWithKeys(element) {
 function exitFullScreen() {
   if (document.exitFullscreen) {
     document.exitFullscreen();
-  } else if (document.msExitFullscreen) {
-    document.msExitFullscreen();
-  } else if (document.webkitExitFullscreen) {
-    document.webkitExitFullscreen();
+  } else if (document['msExitFullscreen']) {
+    document['msExitFullscreen']();
+  } else if (document['webkitExitFullscreen']) {
+    document['webkitExitFullscreen']();
   }
 }
 
diff --git a/types/dom.d.ts b/types/dom.d.ts
deleted file mode 100644
index 6d938c9e92..0000000000
--- a/types/dom.d.ts
+++ /dev/null
@@ -1,23 +0,0 @@
-/**
- * Type declarations extending TypeScript's lib/lib.dom.d.ts.
- * https://github.com/Microsoft/TypeScript/blob/master/lib/lib.dom.d.ts
- */
-
-interface Document {
-  readonly webkitIsFullScreen: boolean;
-
-  readonly fullscreenElement: Element;
-  readonly msFullscreenElement: Element;
-  readonly webkitFullscreenElement: Element;
-
-  readonly msFullscreenEnabled: boolean;
-  readonly webkitFullscreenEnabled: boolean;
-
-  msExitFullscreen(): void;
-  webkitExitFullscreen(): void;
-}
-
-interface Element {
-  msRequestFullscreen(): Promise<void>;
-  webkitRequestFullscreen(allowKeyboardInput?: number): Promise<void>;
-}