diff --git a/services/surfaceflinger/DisplayDevice.cpp b/services/surfaceflinger/DisplayDevice.cpp
index a57e626..27ea4a9 100644
--- a/services/surfaceflinger/DisplayDevice.cpp
+++ b/services/surfaceflinger/DisplayDevice.cpp
@@ -24,7 +24,6 @@
 
 #define ATRACE_TAG ATRACE_TAG_GRAPHICS
 
-#include <common/FlagManager.h>
 #include <compositionengine/CompositionEngine.h>
 #include <compositionengine/Display.h>
 #include <compositionengine/DisplayColorProfile.h>
@@ -36,6 +35,7 @@
 #include <compositionengine/RenderSurfaceCreationArgs.h>
 #include <compositionengine/impl/OutputCompositionState.h>
 #include <configstore/Utils.h>
+#include <ftl/concat.h>
 #include <log/log.h>
 #include <system/window.h>
 
@@ -64,15 +64,11 @@
         mDisplayToken(args.displayToken),
         mSequenceId(args.sequenceId),
         mCompositionDisplay{args.compositionDisplay},
-        mPendingModeFpsTrace(concatId("PendingModeFps")),
-        mActiveModeFpsTrace(concatId("ActiveModeFps")),
-        mRenderRateFpsTrace(concatId("RenderRateFps")),
         mPhysicalOrientation(args.physicalOrientation),
         mPowerMode(ftl::Concat("PowerMode ", getId().value).c_str(), args.initialPowerMode),
         mIsPrimary(args.isPrimary),
         mRequestedRefreshRate(args.requestedRefreshRate),
-        mRefreshRateSelector(std::move(args.refreshRateSelector)),
-        mHasDesiredModeTrace(concatId("HasDesiredMode"), false) {
+        mRefreshRateSelector(std::move(args.refreshRateSelector)) {
     mCompositionDisplay->editState().isSecure = args.isSecure;
     mCompositionDisplay->editState().isProtected = args.isProtected;
     mCompositionDisplay->createRenderSurface(
@@ -204,47 +200,6 @@
     return mPowerMode != hal::PowerMode::OFF;
 }
 
-void DisplayDevice::setActiveMode(DisplayModeId modeId, Fps vsyncRate, Fps renderFps) {
-    ATRACE_INT(mActiveModeFpsTrace.c_str(), vsyncRate.getIntValue());
-    ATRACE_INT(mRenderRateFpsTrace.c_str(), renderFps.getIntValue());
-
-    mRefreshRateSelector->setActiveMode(modeId, renderFps);
-    updateRefreshRateOverlayRate(vsyncRate, renderFps);
-}
-
-bool DisplayDevice::initiateModeChange(display::DisplayModeRequest&& desiredMode,
-                                       const hal::VsyncPeriodChangeConstraints& constraints,
-                                       hal::VsyncPeriodChangeTimeline& outTimeline) {
-    // TODO(b/255635711): Flow the DisplayModeRequest through the desired/pending/active states. For
-    // now, `desiredMode` and `mDesiredModeOpt` are one and the same, but the latter is not cleared
-    // until the next `SF::initiateDisplayModeChanges`. However, the desired mode has been consumed
-    // at this point, so clear the `force` flag to prevent an endless loop of `initiateModeChange`.
-    if (FlagManager::getInstance().connected_display()) {
-        std::scoped_lock lock(mDesiredModeLock);
-        if (mDesiredModeOpt) {
-            mDesiredModeOpt->force = false;
-        }
-    }
-
-    mPendingModeOpt = std::move(desiredMode);
-    mIsModeSetPending = true;
-
-    const auto& mode = *mPendingModeOpt->mode.modePtr;
-
-    if (mHwComposer.setActiveModeWithConstraints(getPhysicalId(), mode.getHwcId(), constraints,
-                                                 &outTimeline) != OK) {
-        return false;
-    }
-
-    ATRACE_INT(mPendingModeFpsTrace.c_str(), mode.getVsyncRate().getIntValue());
-    return true;
-}
-
-void DisplayDevice::finalizeModeChange(DisplayModeId modeId, Fps vsyncRate, Fps renderFps) {
-    setActiveMode(modeId, vsyncRate, renderFps);
-    mIsModeSetPending = false;
-}
-
 nsecs_t DisplayDevice::getVsyncPeriodFromHWC() const {
     const auto physicalId = getPhysicalId();
     if (!mHwComposer.isConnected(physicalId)) {
@@ -450,8 +405,9 @@
     }
 }
 
-void DisplayDevice::enableRefreshRateOverlay(bool enable, bool setByHwc, bool showSpinner,
-                                             bool showRenderRate, bool showInMiddle) {
+void DisplayDevice::enableRefreshRateOverlay(bool enable, bool setByHwc, Fps refreshRate,
+                                             Fps renderFps, bool showSpinner, bool showRenderRate,
+                                             bool showInMiddle) {
     if (!enable) {
         mRefreshRateOverlay.reset();
         return;
@@ -479,8 +435,7 @@
     if (mRefreshRateOverlay) {
         mRefreshRateOverlay->setLayerStack(getLayerStack());
         mRefreshRateOverlay->setViewport(getSize());
-        updateRefreshRateOverlayRate(getActiveMode().modePtr->getVsyncRate(), getActiveMode().fps,
-                                     setByHwc);
+        updateRefreshRateOverlayRate(refreshRate, renderFps, setByHwc);
     }
 }
 
@@ -531,57 +486,6 @@
     }
 }
 
-auto DisplayDevice::setDesiredMode(display::DisplayModeRequest&& desiredMode) -> DesiredModeAction {
-    ATRACE_NAME(concatId(__func__).c_str());
-    ALOGD("%s %s", concatId(__func__).c_str(), to_string(desiredMode).c_str());
-
-    std::scoped_lock lock(mDesiredModeLock);
-    if (mDesiredModeOpt) {
-        // A mode transition was already scheduled, so just override the desired mode.
-        const bool emitEvent = mDesiredModeOpt->emitEvent;
-        const bool force = mDesiredModeOpt->force;
-        mDesiredModeOpt = std::move(desiredMode);
-        mDesiredModeOpt->emitEvent |= emitEvent;
-        if (FlagManager::getInstance().connected_display()) {
-            mDesiredModeOpt->force |= force;
-        }
-        return DesiredModeAction::None;
-    }
-
-    // If the desired mode is already active...
-    const auto activeMode = refreshRateSelector().getActiveMode();
-    if (const auto& desiredModePtr = desiredMode.mode.modePtr;
-        !desiredMode.force && activeMode.modePtr->getId() == desiredModePtr->getId()) {
-        if (activeMode == desiredMode.mode) {
-            return DesiredModeAction::None;
-        }
-
-        // ...but the render rate changed:
-        setActiveMode(desiredModePtr->getId(), desiredModePtr->getVsyncRate(),
-                      desiredMode.mode.fps);
-        return DesiredModeAction::InitiateRenderRateSwitch;
-    }
-
-    setActiveMode(activeMode.modePtr->getId(), activeMode.modePtr->getVsyncRate(),
-                  activeMode.modePtr->getPeakFps());
-
-    // Initiate a mode change.
-    mDesiredModeOpt = std::move(desiredMode);
-    mHasDesiredModeTrace = true;
-    return DesiredModeAction::InitiateDisplayModeSwitch;
-}
-
-auto DisplayDevice::getDesiredMode() const -> DisplayModeRequestOpt {
-    std::scoped_lock lock(mDesiredModeLock);
-    return mDesiredModeOpt;
-}
-
-void DisplayDevice::clearDesiredMode() {
-    std::scoped_lock lock(mDesiredModeLock);
-    mDesiredModeOpt.reset();
-    mHasDesiredModeTrace = false;
-}
-
 void DisplayDevice::adjustRefreshRate(Fps pacesetterDisplayRefreshRate) {
     using fps_approx_ops::operator<=;
     if (mRequestedRefreshRate <= 0_Hz) {