diff --git a/power-libperfmgr/aidl/PowerHintSession.cpp b/power-libperfmgr/aidl/PowerHintSession.cpp
index 1c78f91f..564cbb22 100644
--- a/power-libperfmgr/aidl/PowerHintSession.cpp
+++ b/power-libperfmgr/aidl/PowerHintSession.cpp
@@ -399,30 +399,6 @@ void PowerHintSession::setStale() {
     }
 }
 
-void PowerHintSession::wakeup() {
-    std::lock_guard<std::mutex> guard(mSessionLock);
-
-    // We only wake up non-paused and stale sessions
-    if (mSessionClosed || !isActive() || !isTimeout())
-        return;
-    if (ATRACE_ENABLED()) {
-        std::string tag = StringPrintf("wakeup.%s(a:%d,s:%d)", getIdString().c_str(), isActive(),
-                                       isTimeout());
-        ATRACE_NAME(tag.c_str());
-    }
-    std::shared_ptr<AdpfConfig> adpfConfig = HintManager::GetInstance()->GetAdpfProfile();
-    int min = std::max(mDescriptor->current_min, static_cast<int>(adpfConfig->mUclampMinInit));
-    mDescriptor->current_min = min;
-    PowerSessionManager::getInstance()->setUclampMinLocked(this, min);
-    mStaleTimerHandler->updateTimer();
-
-    if (ATRACE_ENABLED()) {
-        const std::string idstr = getIdString();
-        std::string sz = StringPrintf("adpf.%s-min", idstr.c_str());
-        ATRACE_INT(sz.c_str(), min);
-    }
-}
-
 time_point<steady_clock> PowerHintSession::getStaleTime() {
     return mLastUpdatedTime.load() +
            nanoseconds(static_cast<int64_t>(
diff --git a/power-libperfmgr/aidl/PowerHintSession.h b/power-libperfmgr/aidl/PowerHintSession.h
index edd80f1c..2002020b 100644
--- a/power-libperfmgr/aidl/PowerHintSession.h
+++ b/power-libperfmgr/aidl/PowerHintSession.h
@@ -81,7 +81,6 @@ class PowerHintSession : public BnPowerHintSession {
             const std::vector<WorkDuration> &actualDurations) override;
     bool isActive();
     bool isTimeout();
-    void wakeup();
     void setStale();
     // Is this hint session for a user application
     bool isAppSession();
diff --git a/power-libperfmgr/aidl/PowerSessionManager.cpp b/power-libperfmgr/aidl/PowerSessionManager.cpp
index 516942ac..903c4b57 100644
--- a/power-libperfmgr/aidl/PowerSessionManager.cpp
+++ b/power-libperfmgr/aidl/PowerSessionManager.cpp
@@ -96,16 +96,6 @@ void PowerSessionManager::updateHintBoost(const std::string &boost, int32_t dura
     ATRACE_CALL();
     ALOGV("PowerSessionManager::updateHintBoost: boost: %s, durationMs: %d", boost.c_str(),
           durationMs);
-    if (boost.compare("DISPLAY_UPDATE_IMMINENT") == 0) {
-        PowerHintMonitor::getInstance()->getLooper()->sendMessage(mWakeupHandler, NULL);
-    }
-}
-
-void PowerSessionManager::wakeSessions() {
-    std::lock_guard<std::mutex> guard(mLock);
-    for (PowerHintSession *s : mSessions) {
-        s->wakeup();
-    }
 }
 
 int PowerSessionManager::getDisplayRefreshRate() {
@@ -201,10 +191,6 @@ void PowerSessionManager::handleMessage(const Message &) {
     }
 }
 
-void PowerSessionManager::WakeupHandler::handleMessage(const Message &) {
-    PowerSessionManager::getInstance()->wakeSessions();
-}
-
 void PowerSessionManager::dumpToFd(int fd) {
     std::ostringstream dump_buf;
     std::lock_guard<std::mutex> guard(mLock);
diff --git a/power-libperfmgr/aidl/PowerSessionManager.h b/power-libperfmgr/aidl/PowerSessionManager.h
index 6cd0886c..e65e58e9 100644
--- a/power-libperfmgr/aidl/PowerSessionManager.h
+++ b/power-libperfmgr/aidl/PowerSessionManager.h
@@ -62,14 +62,6 @@ class PowerSessionManager : public MessageHandler {
     }
 
   private:
-    class WakeupHandler : public MessageHandler {
-      public:
-        WakeupHandler() {}
-        void handleMessage(const Message &message) override;
-    };
-
-  private:
-    void wakeSessions();
     std::optional<bool> isAnyAppSessionActive();
     void disableSystemTopAppBoost();
     void enableSystemTopAppBoost();
@@ -78,7 +70,6 @@ class PowerSessionManager : public MessageHandler {
     std::unordered_set<PowerHintSession *> mSessions;  // protected by mLock
     std::unordered_map<int, int> mTidRefCountMap;      // protected by mLock
     std::unordered_map<int, std::unordered_set<PowerHintSession *>> mTidSessionListMap;
-    sp<WakeupHandler> mWakeupHandler;
     bool mActive;  // protected by mLock
     /**
      * mLock to pretect the above data objects opertions.
@@ -90,9 +81,7 @@ class PowerSessionManager : public MessageHandler {
         : kDisableBoostHintName(::android::base::GetProperty(kPowerHalAdpfDisableTopAppBoost,
                                                              "ADPF_DISABLE_TA_BOOST")),
           mActive(false),
-          mDisplayRefreshRate(60) {
-        mWakeupHandler = sp<WakeupHandler>(new WakeupHandler());
-    }
+          mDisplayRefreshRate(60) {}
     PowerSessionManager(PowerSessionManager const &) = delete;
     void operator=(PowerSessionManager const &) = delete;
 };