diff --git a/index.d.ts b/index.d.ts
index 3618a5e..cee2816 100644
--- a/index.d.ts
+++ b/index.d.ts
@@ -6,5 +6,4 @@ declare module 'react-native-status-bar-height' {
     export function isIPhone12(): boolean
     export function isIPhone12Max(): boolean
     export function isIPhoneWithMonobrow(): boolean
-    export function isExpo(): boolean;
 }
diff --git a/index.js b/index.js
index 7452f06..e6e471b 100644
--- a/index.js
+++ b/index.js
@@ -52,10 +52,6 @@ export const isIPhone12 = () => isIPhone12_v;
 export const isIPhone12Max = () => isIPhone12Max_v;
 export const isIPhoneWithMonobrow = () => isIPhoneWithMonobrow_v;
 
-const getExpoRoot = () => global.Expo || global.__expo || global.__exponent;
-
-export const isExpo = () => getExpoRoot() !== undefined;
-
 export function getStatusBarHeight(skipAndroid) {
   return Platform.select({
     ios: statusBarHeight,
diff --git a/index.js.flow b/index.js.flow
index 3da9240..07bed33 100644
--- a/index.js.flow
+++ b/index.js.flow
@@ -6,5 +6,4 @@ declare module 'react-native-status-bar-height' {
     declare function isIPhone12(): boolean
     declare function isIPhone12Max(): boolean
     declare function isIPhoneWithMonobrow(): boolean
-    declare function isExpo(): boolean
 }