diff --git a/ServiceManager.h b/ServiceManager.h
index 9fafadf..66225c5 100644
--- a/ServiceManager.h
+++ b/ServiceManager.h
@@ -1,7 +1,7 @@
-#ifndef ANDROID_HARDWARE_MANAGER_V1_0_SERVICEMANAGER_H
-#define ANDROID_HARDWARE_MANAGER_V1_0_SERVICEMANAGER_H
+#ifndef ANDROID_HARDWARE_MANAGER_SERVICEMANAGER_H
+#define ANDROID_HARDWARE_MANAGER_SERVICEMANAGER_H
 
-#include <android/hidl/manager/1.0/IServiceManager.h>
+#include <android/hidl/manager/1.1/IServiceManager.h>
 #include <hidl/Status.h>
 #include <hidl/MQDescriptor.h>
 #include <map>
@@ -11,7 +11,6 @@
 namespace android {
 namespace hidl {
 namespace manager {
-namespace V1_0 {
 namespace implementation {
 
 using ::android::hardware::hidl_death_recipient;
@@ -20,7 +19,7 @@
 using ::android::hardware::Return;
 using ::android::hardware::Void;
 using ::android::hidl::base::V1_0::IBase;
-using ::android::hidl::manager::V1_0::IServiceManager;
+using ::android::hidl::manager::V1_1::IServiceManager;
 using ::android::hidl::manager::V1_0::IServiceNotification;
 using ::android::sp;
 using ::android::wp;
@@ -47,9 +46,14 @@
     Return<void> registerPassthroughClient(const hidl_string &fqName,
             const hidl_string &name) override;
 
+    // Methods from ::android::hidl::manager::V1_1::IServiceManager follow.
+    Return<bool> unregisterForNotifications(const hidl_string& fqName,
+                                            const hidl_string& name,
+                                            const sp<IServiceNotification>& callback) override;
+
     virtual void serviceDied(uint64_t cookie, const wp<IBase>& who);
 private:
-    bool remove(const wp<IBase>& who);
+    bool removeService(const wp<IBase>& who);
     bool removePackageListener(const wp<IBase>& who);
     bool removeServiceListener(const wp<IBase>& who);
     size_t countExistingService() const;
@@ -80,6 +84,7 @@
 
         void addPackageListener(sp<IServiceNotification> listener);
         bool removePackageListener(const wp<IBase>& who);
+        bool removeServiceListener(const wp<IBase>& who);
 
         void sendPackageRegistrationNotification(
             const hidl_string &fqName,
@@ -106,9 +111,8 @@
 };
 
 }  // namespace implementation
-}  // namespace V1_0
 }  // namespace manager
 }  // namespace hidl
 }  // namespace android
 
-#endif  // ANDROID_HARDWARE_MANAGER_V1_0_SERVICEMANAGER_H
+#endif  // ANDROID_HARDWARE_MANAGER_SERVICEMANAGER_H