diff --git a/src/__tests__/pusher-channel-mock.spec.ts b/src/__tests__/pusher-channel-mock.spec.ts
index 5b356f4..b02980f 100644
--- a/src/__tests__/pusher-channel-mock.spec.ts
+++ b/src/__tests__/pusher-channel-mock.spec.ts
@@ -21,6 +21,23 @@ describe("PusherChannelMock", () => {
     });
   });
 
+  describe("#unbind_all", () => {
+    it("clears events from all the callbacks", () => {
+      const firstCallback = jest.fn();
+      const secondCallback = jest.fn();
+      channelMock.bind("first-channel", firstCallback);
+      channelMock.bind("second-channel", secondCallback);
+
+      channelMock.unbind_all();
+      channelMock.emit("first-channel");
+      channelMock.emit("second-channel");
+
+      expect(firstCallback).not.toHaveBeenCalled();
+      expect(secondCallback).not.toHaveBeenCalled();
+      expect(channelMock.callbacks).toEqual({});
+    });
+  });
+
   describe("#unbind", () => {
     describe("with callbacks defined for the event", () => {
       it("removes name: callback from callbacks object", () => {
diff --git a/src/pusher-channel-mock.ts b/src/pusher-channel-mock.ts
index 92bfa4a..5cdd434 100644
--- a/src/pusher-channel-mock.ts
+++ b/src/pusher-channel-mock.ts
@@ -36,6 +36,13 @@ class PusherChannelMock {
     );
   }
 
+  /**
+   * Unbind callbacks from all the events.
+   */
+  public unbind_all() {
+    this.callbacks = {};
+  }
+
   /**
    * Emit event with data.
    * @param {String} name - name of the event.