diff --git a/mocha/mocha.d.ts b/mocha/mocha.d.ts
index 55b20cecc87dd2..b722277c3fabb9 100644
--- a/mocha/mocha.d.ts
+++ b/mocha/mocha.d.ts
@@ -15,10 +15,19 @@ declare var it: {
     timeout(ms: number);
 };
 
+declare function before(action: () => void): void;
+
+declare function before(action: (done: () => void) => void): void;
+
+declare function aftet(action: () => void): void;
+
+declare function after(action: (done: () => void) => void): void;
+
 declare function beforeEach(action: () => void): void;
 
 declare function beforeEach(action: (done: () => void) => void): void;
 
 declare function afterEach(action: () => void): void;
 
-declare function afterEach(action: (done: () => void) => void): void;
\ No newline at end of file
+declare function afterEach(action: (done: () => void) => void): void;
+