diff --git a/services/surfaceflinger/Scheduler/Scheduler.h b/services/surfaceflinger/Scheduler/Scheduler.h
index afb3459..1df60a5 100644
--- a/services/surfaceflinger/Scheduler/Scheduler.h
+++ b/services/surfaceflinger/Scheduler/Scheduler.h
@@ -95,8 +95,8 @@
     ~ISchedulerCallback() = default;
 };
 
-class Scheduler : impl::MessageQueue {
-    using Impl = impl::MessageQueue;
+class Scheduler : android::impl::MessageQueue {
+    using Impl = android::impl::MessageQueue;
 
 public:
     Scheduler(ICompositor&, ISchedulerCallback&, FeatureFlags);
@@ -130,7 +130,7 @@
     ConnectionHandle createConnection(const char* connectionName, frametimeline::TokenManager*,
                                       std::chrono::nanoseconds workDuration,
                                       std::chrono::nanoseconds readyDuration,
-                                      impl::EventThread::InterceptVSyncsCallback);
+                                      android::impl::EventThread::InterceptVSyncsCallback);
 
     sp<IDisplayEventConnection> createDisplayEventConnection(
             ConnectionHandle, EventRegistrationFlags eventRegistration = {});
@@ -276,9 +276,9 @@
 
     void dispatchCachedReportedMode() REQUIRES(mPolicyLock) EXCLUDES(mRefreshRateConfigsLock);
 
-    impl::EventThread::ThrottleVsyncCallback makeThrottleVsyncCallback() const
+    android::impl::EventThread::ThrottleVsyncCallback makeThrottleVsyncCallback() const
             EXCLUDES(mRefreshRateConfigsLock);
-    impl::EventThread::GetVsyncPeriodFunction makeGetVsyncPeriodFunction() const;
+    android::impl::EventThread::GetVsyncPeriodFunction makeGetVsyncPeriodFunction() const;
 
     std::shared_ptr<RefreshRateConfigs> holdRefreshRateConfigs() const
             EXCLUDES(mRefreshRateConfigsLock) {