diff --git a/services/inputflinger/Android.bp b/services/inputflinger/Android.bp
index 73e5749..8cdb706 100644
--- a/services/inputflinger/Android.bp
+++ b/services/inputflinger/Android.bp
@@ -73,7 +73,6 @@
         "libui",
         "lib-platform-compat-native-api",
         "server_configurable_flags",
-        "InputFlingerProperties",
     ],
     static_libs: [
         "libattestation",
@@ -125,7 +124,7 @@
         "InputListener.cpp",
         "InputReaderBase.cpp",
         "InputThread.cpp",
-        "VibrationElement.cpp"
+        "VibrationElement.cpp",
     ],
 }
 
diff --git a/services/inputflinger/dispatcher/Android.bp b/services/inputflinger/dispatcher/Android.bp
index 171f2b5..4757d31 100644
--- a/services/inputflinger/dispatcher/Android.bp
+++ b/services/inputflinger/dispatcher/Android.bp
@@ -68,7 +68,6 @@
         "libutils",
         "lib-platform-compat-native-api",
         "server_configurable_flags",
-        "InputFlingerProperties",
     ],
     static_libs: [
         "libattestation",
diff --git a/services/inputflinger/dispatcher/InputDispatcher.cpp b/services/inputflinger/dispatcher/InputDispatcher.cpp
index 1b19311..6952587 100644
--- a/services/inputflinger/dispatcher/InputDispatcher.cpp
+++ b/services/inputflinger/dispatcher/InputDispatcher.cpp
@@ -19,7 +19,6 @@
 
 #define LOG_NDEBUG 1
 
-#include <InputFlingerProperties.sysprop.h>
 #include <android-base/chrono_utils.h>
 #include <android-base/properties.h>
 #include <android-base/stringprintf.h>
@@ -112,15 +111,6 @@
     std::mutex& mMutex;
 };
 
-// When per-window-input-rotation is enabled, InputFlinger works in the un-rotated display
-// coordinates and SurfaceFlinger includes the display rotation in the input window transforms.
-bool isPerWindowInputRotationEnabled() {
-    static const bool PER_WINDOW_INPUT_ROTATION =
-            sysprop::InputFlingerProperties::per_window_input_rotation().value_or(true);
-
-    return PER_WINDOW_INPUT_ROTATION;
-}
-
 // Default input dispatching timeout if there is no focused application or paused window
 // from which to determine an appropriate dispatching timeout.
 const std::chrono::duration DEFAULT_INPUT_DISPATCHING_TIMEOUT = std::chrono::milliseconds(
@@ -2519,8 +2509,7 @@
         if (displayInfoIt != mDisplayInfos.end()) {
             inputTarget.displayTransform = displayInfoIt->second.transform;
         } else {
-            ALOGI_IF(isPerWindowInputRotationEnabled(),
-                     "DisplayInfo not found for window on display: %d", windowInfo->displayId);
+            ALOGE("DisplayInfo not found for window on display: %d", windowInfo->displayId);
         }
         inputTargets.push_back(inputTarget);
         it = inputTargets.end() - 1;
@@ -4725,21 +4714,19 @@
         }
     }
 
-    if (isPerWindowInputRotationEnabled()) {
-        // Determine if the orientation of any of the input windows have changed, and cancel all
-        // pointer events if necessary.
-        for (const sp<WindowInfoHandle>& oldWindowHandle : oldWindowHandles) {
-            const sp<WindowInfoHandle> newWindowHandle = getWindowHandleLocked(oldWindowHandle);
-            if (newWindowHandle != nullptr &&
-                newWindowHandle->getInfo()->transform.getOrientation() !=
-                        oldWindowOrientations[oldWindowHandle->getId()]) {
-                std::shared_ptr<InputChannel> inputChannel =
-                        getInputChannelLocked(newWindowHandle->getToken());
-                if (inputChannel != nullptr) {
-                    CancelationOptions options(CancelationOptions::CANCEL_POINTER_EVENTS,
-                                               "touched window's orientation changed");
-                    synthesizeCancelationEventsForInputChannelLocked(inputChannel, options);
-                }
+    // Determine if the orientation of any of the input windows have changed, and cancel all
+    // pointer events if necessary.
+    for (const sp<WindowInfoHandle>& oldWindowHandle : oldWindowHandles) {
+        const sp<WindowInfoHandle> newWindowHandle = getWindowHandleLocked(oldWindowHandle);
+        if (newWindowHandle != nullptr &&
+            newWindowHandle->getInfo()->transform.getOrientation() !=
+                    oldWindowOrientations[oldWindowHandle->getId()]) {
+            std::shared_ptr<InputChannel> inputChannel =
+                    getInputChannelLocked(newWindowHandle->getToken());
+            if (inputChannel != nullptr) {
+                CancelationOptions options(CancelationOptions::CANCEL_POINTER_EVENTS,
+                                           "touched window's orientation changed");
+                synthesizeCancelationEventsForInputChannelLocked(inputChannel, options);
             }
         }
     }
diff --git a/services/inputflinger/reader/Android.bp b/services/inputflinger/reader/Android.bp
index ee7b392..51546ce 100644
--- a/services/inputflinger/reader/Android.bp
+++ b/services/inputflinger/reader/Android.bp
@@ -71,7 +71,6 @@
         "libstatslog",
         "libui",
         "libutils",
-        "InputFlingerProperties",
     ],
     static_libs: [
         "libc++fs",
@@ -86,7 +85,7 @@
     name: "libinputreader",
     defaults: [
         "inputflinger_defaults",
-        "libinputreader_defaults"
+        "libinputreader_defaults",
     ],
     srcs: [
         "InputReaderFactory.cpp",
@@ -100,6 +99,6 @@
         "libinputreader_headers",
     ],
     static_libs: [
-        "libc++fs"
+        "libc++fs",
     ],
 }
diff --git a/services/inputflinger/reader/mapper/CursorInputMapper.cpp b/services/inputflinger/reader/mapper/CursorInputMapper.cpp
index f3d7cdc..15ba459 100644
--- a/services/inputflinger/reader/mapper/CursorInputMapper.cpp
+++ b/services/inputflinger/reader/mapper/CursorInputMapper.cpp
@@ -193,28 +193,18 @@
         const bool isOrientedDevice =
                 (mParameters.orientationAware && mParameters.hasAssociatedDisplay);
 
-        if (isPerWindowInputRotationEnabled()) {
-            // When per-window input rotation is enabled, InputReader works in the un-rotated
-            // coordinate space, so we don't need to do anything if the device is already
-            // orientation-aware. If the device is not orientation-aware, then we need to apply the
-            // inverse rotation of the display so that when the display rotation is applied later
-            // as a part of the per-window transform, we get the expected screen coordinates.
-            if (!isOrientedDevice) {
-                std::optional<DisplayViewport> internalViewport =
-                        config->getDisplayViewportByType(ViewportType::INTERNAL);
-                if (internalViewport) {
-                    mOrientation = getInverseRotation(internalViewport->orientation);
-                    mDisplayWidth = internalViewport->deviceWidth;
-                    mDisplayHeight = internalViewport->deviceHeight;
-                }
-            }
-        } else {
-            if (isOrientedDevice) {
-                std::optional<DisplayViewport> internalViewport =
-                        config->getDisplayViewportByType(ViewportType::INTERNAL);
-                if (internalViewport) {
-                    mOrientation = internalViewport->orientation;
-                }
+        // InputReader works in the un-rotated display coordinate space, so we don't need to do
+        // anything if the device is already orientation-aware. If the device is not
+        // orientation-aware, then we need to apply the inverse rotation of the display so that
+        // when the display rotation is applied later as a part of the per-window transform, we
+        // get the expected screen coordinates.
+        if (!isOrientedDevice) {
+            std::optional<DisplayViewport> internalViewport =
+                    config->getDisplayViewportByType(ViewportType::INTERNAL);
+            if (internalViewport) {
+                mOrientation = getInverseRotation(internalViewport->orientation);
+                mDisplayWidth = internalViewport->deviceWidth;
+                mDisplayHeight = internalViewport->deviceHeight;
             }
         }
 
@@ -347,12 +337,11 @@
             if (moved) {
                 float dx = deltaX;
                 float dy = deltaY;
-                if (isPerWindowInputRotationEnabled()) {
-                    // Rotate the delta from InputReader's un-rotated coordinate space to
-                    // PointerController's rotated coordinate space that is oriented with the
-                    // viewport.
-                    rotateDelta(getInverseRotation(mOrientation), &dx, &dy);
-                }
+                // Rotate the delta from InputReader's un-rotated coordinate space to
+                // PointerController's rotated coordinate space that is oriented with the
+                // viewport.
+                rotateDelta(getInverseRotation(mOrientation), &dx, &dy);
+
                 mPointerController->move(dx, dy);
             }
 
@@ -364,12 +353,11 @@
         }
 
         mPointerController->getPosition(&xCursorPosition, &yCursorPosition);
-        if (isPerWindowInputRotationEnabled()) {
-            // Rotate the cursor position that is in PointerController's rotated coordinate space
-            // to InputReader's un-rotated coordinate space.
-            rotatePoint(mOrientation, xCursorPosition /*byRef*/, yCursorPosition /*byRef*/,
-                        mDisplayWidth, mDisplayHeight);
-        }
+        // Rotate the cursor position that is in PointerController's rotated coordinate space
+        // to InputReader's un-rotated coordinate space.
+        rotatePoint(mOrientation, xCursorPosition /*byRef*/, yCursorPosition /*byRef*/,
+                    mDisplayWidth, mDisplayHeight);
+
         pointerCoords.setAxisValue(AMOTION_EVENT_AXIS_X, xCursorPosition);
         pointerCoords.setAxisValue(AMOTION_EVENT_AXIS_Y, yCursorPosition);
         pointerCoords.setAxisValue(AMOTION_EVENT_AXIS_RELATIVE_X, deltaX);
diff --git a/services/inputflinger/reader/mapper/TouchCursorInputMapperCommon.h b/services/inputflinger/reader/mapper/TouchCursorInputMapperCommon.h
index 197be98..8c30e38 100644
--- a/services/inputflinger/reader/mapper/TouchCursorInputMapperCommon.h
+++ b/services/inputflinger/reader/mapper/TouchCursorInputMapperCommon.h
@@ -17,7 +17,6 @@
 #ifndef _UI_INPUTREADER_TOUCH_CURSOR_INPUT_MAPPER_COMMON_H
 #define _UI_INPUTREADER_TOUCH_CURSOR_INPUT_MAPPER_COMMON_H
 
-#include <InputFlingerProperties.sysprop.h>
 #include <input/DisplayViewport.h>
 #include <stdint.h>
 
@@ -29,13 +28,6 @@
 
 // --- Static Definitions ---
 
-// When per-window input rotation is enabled, display transformations such as rotation and
-// projection are part of the input window's transform. This means InputReader should work in the
-// un-rotated coordinate space.
-static bool isPerWindowInputRotationEnabled() {
-    return sysprop::InputFlingerProperties::per_window_input_rotation().value_or(true);
-}
-
 static int32_t getInverseRotation(int32_t orientation) {
     switch (orientation) {
         case DISPLAY_ORIENTATION_90:
diff --git a/services/inputflinger/reader/mapper/TouchInputMapper.cpp b/services/inputflinger/reader/mapper/TouchInputMapper.cpp
index fd33df9..57f5225 100644
--- a/services/inputflinger/reader/mapper/TouchInputMapper.cpp
+++ b/services/inputflinger/reader/mapper/TouchInputMapper.cpp
@@ -749,43 +749,31 @@
             mPhysicalLeft = naturalPhysicalLeft;
             mPhysicalTop = naturalPhysicalTop;
 
-            if (isPerWindowInputRotationEnabled()) {
-                // When per-window input rotation is enabled, InputReader works in the display
-                // space, so the surface bounds are the bounds of the display device.
-                const int32_t oldSurfaceWidth = mRawSurfaceWidth;
-                const int32_t oldSurfaceHeight = mRawSurfaceHeight;
-                mRawSurfaceWidth = naturalDeviceWidth;
-                mRawSurfaceHeight = naturalDeviceHeight;
-                mSurfaceLeft = 0;
-                mSurfaceTop = 0;
-                mSurfaceRight = mRawSurfaceWidth;
-                mSurfaceBottom = mRawSurfaceHeight;
-                // When per-window input rotation is enabled, InputReader works in the un-rotated
-                // coordinate space, so we don't need to do anything if the device is already
-                // orientation-aware. If the device is not orientation-aware, then we need to apply
-                // the inverse rotation of the display so that when the display rotation is applied
-                // later as a part of the per-window transform, we get the expected screen
-                // coordinates.
-                mSurfaceOrientation = mParameters.orientationAware
-                        ? DISPLAY_ORIENTATION_0
-                        : getInverseRotation(mViewport.orientation);
-                // For orientation-aware devices that work in the un-rotated coordinate space, the
-                // viewport update should be skipped if it is only a change in the orientation.
-                skipViewportUpdate = mParameters.orientationAware &&
-                        mRawSurfaceWidth == oldSurfaceWidth &&
-                        mRawSurfaceHeight == oldSurfaceHeight && viewportOrientationChanged;
-            } else {
-                mRawSurfaceWidth = naturalLogicalWidth * naturalDeviceWidth / naturalPhysicalWidth;
-                mRawSurfaceHeight =
-                        naturalLogicalHeight * naturalDeviceHeight / naturalPhysicalHeight;
-                mSurfaceLeft = naturalPhysicalLeft * naturalLogicalWidth / naturalPhysicalWidth;
-                mSurfaceTop = naturalPhysicalTop * naturalLogicalHeight / naturalPhysicalHeight;
-                mSurfaceRight = mSurfaceLeft + naturalLogicalWidth;
-                mSurfaceBottom = mSurfaceTop + naturalLogicalHeight;
+            // TODO(prabirmsp): Cleanup surface bounds.
+            // When per-window input rotation is enabled, InputReader works in the display
+            // space, so the surface bounds are the bounds of the display device.
+            const int32_t oldSurfaceWidth = mRawSurfaceWidth;
+            const int32_t oldSurfaceHeight = mRawSurfaceHeight;
+            mRawSurfaceWidth = naturalDeviceWidth;
+            mRawSurfaceHeight = naturalDeviceHeight;
+            mSurfaceLeft = 0;
+            mSurfaceTop = 0;
+            mSurfaceRight = mRawSurfaceWidth;
+            mSurfaceBottom = mRawSurfaceHeight;
 
-                mSurfaceOrientation = mParameters.orientationAware ? mViewport.orientation
-                                                                   : DISPLAY_ORIENTATION_0;
-            }
+            // InputReader works in the un-rotated display coordinate space, so we don't need to do
+            // anything if the device is already orientation-aware. If the device is not
+            // orientation-aware, then we need to apply the inverse rotation of the display so that
+            // when the display rotation is applied later as a part of the per-window transform, we
+            // get the expected screen coordinates.
+            mSurfaceOrientation = mParameters.orientationAware
+                    ? DISPLAY_ORIENTATION_0
+                    : getInverseRotation(mViewport.orientation);
+            // For orientation-aware devices that work in the un-rotated coordinate space, the
+            // viewport update should be skipped if it is only a change in the orientation.
+            skipViewportUpdate = mParameters.orientationAware &&
+                    mRawSurfaceWidth == oldSurfaceWidth && mRawSurfaceHeight == oldSurfaceHeight &&
+                    viewportOrientationChanged;
 
             // Apply the input device orientation for the device.
             mSurfaceOrientation =
@@ -3781,16 +3769,10 @@
     const float xScaled = (x - mRawPointerAxes.x.minValue) * mXScale;
     const float yScaled = (y - mRawPointerAxes.y.minValue) * mYScale;
 
-    if (isPerWindowInputRotationEnabled()) {
-        return x >= mRawPointerAxes.x.minValue && x <= mRawPointerAxes.x.maxValue &&
-                xScaled >= mPhysicalLeft && xScaled <= (mPhysicalLeft + mPhysicalWidth) &&
-                y >= mRawPointerAxes.y.minValue && y <= mRawPointerAxes.y.maxValue &&
-                yScaled >= mPhysicalTop && yScaled <= (mPhysicalTop + mPhysicalHeight);
-    }
     return x >= mRawPointerAxes.x.minValue && x <= mRawPointerAxes.x.maxValue &&
-            xScaled >= mSurfaceLeft && xScaled <= mSurfaceRight &&
+            xScaled >= mPhysicalLeft && xScaled <= (mPhysicalLeft + mPhysicalWidth) &&
             y >= mRawPointerAxes.y.minValue && y <= mRawPointerAxes.y.maxValue &&
-            yScaled >= mSurfaceTop && yScaled <= mSurfaceBottom;
+            yScaled >= mPhysicalTop && yScaled <= (mPhysicalTop + mPhysicalHeight);
 }
 
 const TouchInputMapper::VirtualKey* TouchInputMapper::findVirtualKeyHit(int32_t x, int32_t y) {
@@ -4048,11 +4030,9 @@
 }
 
 void TouchInputMapper::moveMouseCursor(float dx, float dy) const {
-    if (isPerWindowInputRotationEnabled()) {
-        // Convert from InputReader's un-rotated coordinate space to PointerController's coordinate
-        // space that is oriented with the viewport.
-        rotateDelta(mViewport.orientation, &dx, &dy);
-    }
+    // Convert from InputReader's un-rotated coordinate space to PointerController's coordinate
+    // space that is oriented with the viewport.
+    rotateDelta(mViewport.orientation, &dx, &dy);
 
     mPointerController->move(dx, dy);
 }
@@ -4062,7 +4042,6 @@
     float y = 0;
     mPointerController->getPosition(&x, &y);
 
-    if (!isPerWindowInputRotationEnabled()) return {x, y};
     if (!mViewport.isValid()) return {x, y};
 
     // Convert from PointerController's rotated coordinate space that is oriented with the viewport
@@ -4073,11 +4052,9 @@
 }
 
 void TouchInputMapper::setMouseCursorPosition(float x, float y) const {
-    if (isPerWindowInputRotationEnabled() && mViewport.isValid()) {
-        // Convert from InputReader's un-rotated coordinate space to PointerController's rotated
-        // coordinate space that is oriented with the viewport.
-        rotatePoint(mViewport.orientation, x, y, mRawSurfaceWidth, mRawSurfaceHeight);
-    }
+    // Convert from InputReader's un-rotated coordinate space to PointerController's rotated
+    // coordinate space that is oriented with the viewport.
+    rotatePoint(mViewport.orientation, x, y, mRawSurfaceWidth, mRawSurfaceHeight);
 
     mPointerController->setPosition(x, y);
 }
@@ -4092,11 +4069,9 @@
         float y = spotCoords[index].getY();
         float pressure = spotCoords[index].getAxisValue(AMOTION_EVENT_AXIS_PRESSURE);
 
-        if (isPerWindowInputRotationEnabled()) {
-            // Convert from InputReader's un-rotated coordinate space to PointerController's rotated
-            // coordinate space.
-            rotatePoint(mViewport.orientation, x, y, mRawSurfaceWidth, mRawSurfaceHeight);
-        }
+        // Convert from InputReader's un-rotated coordinate space to PointerController's rotated
+        // coordinate space.
+        rotatePoint(mViewport.orientation, x, y, mRawSurfaceWidth, mRawSurfaceHeight);
 
         outSpotCoords[index].setAxisValue(AMOTION_EVENT_AXIS_X, x);
         outSpotCoords[index].setAxisValue(AMOTION_EVENT_AXIS_Y, y);
diff --git a/services/inputflinger/sysprop/Android.bp b/services/inputflinger/sysprop/Android.bp
deleted file mode 100644
index b9d65ee..0000000
--- a/services/inputflinger/sysprop/Android.bp
+++ /dev/null
@@ -1,15 +0,0 @@
-package {
-    // See: http://go/android-license-faq
-    // A large-scale-change added 'default_applicable_licenses' to import
-    // all of the 'license_kinds' from "frameworks_native_license"
-    // to get the below license kinds:
-    //   SPDX-license-identifier-Apache-2.0
-    default_applicable_licenses: ["frameworks_native_license"],
-}
-
-sysprop_library {
-    name: "InputFlingerProperties",
-    srcs: ["*.sysprop"],
-    api_packages: ["android.sysprop"],
-    property_owner: "Platform",
-}
diff --git a/services/inputflinger/sysprop/InputFlingerProperties.sysprop b/services/inputflinger/sysprop/InputFlingerProperties.sysprop
deleted file mode 100644
index 1c7e724..0000000
--- a/services/inputflinger/sysprop/InputFlingerProperties.sysprop
+++ /dev/null
@@ -1,27 +0,0 @@
-# Copyright (C) 2021 The Android Open Source Project
-#
-# Licensed under the Apache License, Version 2.0 (the License);
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#      http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an AS IS BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-module: "android.sysprop.InputFlingerProperties"
-owner: Platform
-
-# When per-window-input-rotation is enabled, InputReader works in the un-rotated
-# display coordinate space, and the display rotation is encoded as part of the
-# input window transform that is sent from SurfaceFlinger to InputDispatcher.
-prop {
-    api_name: "per_window_input_rotation"
-    type: Boolean
-    scope: Internal
-    access: ReadWrite
-    prop_name: "persist.debug.per_window_input_rotation"
-}
diff --git a/services/inputflinger/tests/InputReader_test.cpp b/services/inputflinger/tests/InputReader_test.cpp
index 53b03ad..336afc6 100644
--- a/services/inputflinger/tests/InputReader_test.cpp
+++ b/services/inputflinger/tests/InputReader_test.cpp
@@ -16,7 +16,6 @@
 
 #include <CursorInputMapper.h>
 #include <InputDevice.h>
-#include <InputFlingerProperties.sysprop.h>
 #include <InputMapper.h>
 #include <InputReader.h>
 #include <InputReaderBase.h>
@@ -2695,7 +2694,6 @@
     static const int32_t DEVICE_CONTROLLER_NUMBER;
     static const Flags<InputDeviceClass> DEVICE_CLASSES;
     static const int32_t EVENTHUB_ID;
-    static const std::optional<bool> INITIAL_PER_WINDOW_INPUT_ROTATION_FLAG_VALUE;
 
     std::shared_ptr<FakeEventHub> mFakeEventHub;
     sp<FakeInputReaderPolicy> mFakePolicy;
@@ -2713,18 +2711,12 @@
     }
 
     void SetUp() override {
-        // Ensure per_window_input_rotation is enabled.
-        sysprop::InputFlingerProperties::per_window_input_rotation(true);
-
         SetUp(DEVICE_CLASSES);
     }
 
     void TearDown() override {
         mFakeListener.reset();
         mFakePolicy.clear();
-
-        sysprop::InputFlingerProperties::per_window_input_rotation(
-                INITIAL_PER_WINDOW_INPUT_ROTATION_FLAG_VALUE);
     }
 
     void addConfigurationProperty(const char* key, const char* value) {
@@ -2836,8 +2828,6 @@
 const Flags<InputDeviceClass> InputMapperTest::DEVICE_CLASSES =
         Flags<InputDeviceClass>(0); // not needed for current tests
 const int32_t InputMapperTest::EVENTHUB_ID = 1;
-const std::optional<bool> InputMapperTest::INITIAL_PER_WINDOW_INPUT_ROTATION_FLAG_VALUE =
-        sysprop::InputFlingerProperties::per_window_input_rotation();
 
 // --- SwitchInputMapperTest ---