diff --git a/camera/device/default/Android.bp b/camera/device/default/Android.bp
index 5fbcb5d..b9f10d6 100644
--- a/camera/device/default/Android.bp
+++ b/camera/device/default/Android.bp
@@ -40,7 +40,7 @@
     shared_libs: [
         "android.hardware.camera.common-V1-ndk",
         "android.hardware.camera.device-V1-ndk",
-        "android.hardware.graphics.allocator-V2-ndk",
+        "android.hardware.graphics.allocator-V1-ndk",
         "android.hardware.graphics.mapper@2.0",
         "android.hardware.graphics.mapper@3.0",
         "android.hardware.graphics.mapper@4.0",
@@ -60,7 +60,6 @@
         "libsync",
         "libtinyxml2",
         "libutils",
-        "libui",
         "libyuv",
     ],
     static_libs: [
diff --git a/camera/device/default/ExternalCameraDeviceSession.cpp b/camera/device/default/ExternalCameraDeviceSession.cpp
index 896e0da..95a36f0 100644
--- a/camera/device/default/ExternalCameraDeviceSession.cpp
+++ b/camera/device/default/ExternalCameraDeviceSession.cpp
@@ -2882,23 +2882,13 @@
             } break;
             case PixelFormat::YCBCR_420_888:
             case PixelFormat::YV12: {
-                android::Rect outRect{0, 0, static_cast<int32_t>(halBuf.width),
+                IMapper::Rect outRect{0, 0, static_cast<int32_t>(halBuf.width),
                                       static_cast<int32_t>(halBuf.height)};
-                android_ycbcr result = sHandleImporter.lockYCbCr(
+                YCbCrLayout outLayout = sHandleImporter.lockYCbCr(
                         *(halBuf.bufPtr), static_cast<uint64_t>(halBuf.usage), outRect);
-                ALOGV("%s: outLayout y %p cb %p cr %p y_str %zu c_str %zu c_step %zu", __FUNCTION__,
-                      result.y, result.cb, result.cr, result.ystride, result.cstride,
-                      result.chroma_step);
-                if (result.ystride > UINT32_MAX || result.cstride > UINT32_MAX ||
-                    result.chroma_step > UINT32_MAX) {
-                    return onDeviceError("%s: lockYCbCr failed. Unexpected values!", __FUNCTION__);
-                }
-                YCbCrLayout outLayout = {.y = result.y,
-                                         .cb = result.cb,
-                                         .cr = result.cr,
-                                         .yStride = static_cast<uint32_t>(result.ystride),
-                                         .cStride = static_cast<uint32_t>(result.cstride),
-                                         .chromaStep = static_cast<uint32_t>(result.chroma_step)};
+                ALOGV("%s: outLayout y %p cb %p cr %p y_str %d c_str %d c_step %d", __FUNCTION__,
+                      outLayout.y, outLayout.cb, outLayout.cr, outLayout.yStride, outLayout.cStride,
+                      outLayout.chromaStep);
 
                 // Convert to output buffer size/format
                 uint32_t outputFourcc = getFourCcFromLayout(outLayout);
diff --git a/camera/device/default/ExternalCameraDeviceSession.h b/camera/device/default/ExternalCameraDeviceSession.h
index 736bfd1..836266f 100644
--- a/camera/device/default/ExternalCameraDeviceSession.h
+++ b/camera/device/default/ExternalCameraDeviceSession.h
@@ -24,9 +24,6 @@
 #include <aidl/android/hardware/camera/device/BufferRequest.h>
 #include <aidl/android/hardware/camera/device/Stream.h>
 #include <android-base/unique_fd.h>
-#include <android/hardware/graphics/mapper/2.0/IMapper.h>
-#include <android/hardware/graphics/mapper/3.0/IMapper.h>
-#include <android/hardware/graphics/mapper/4.0/IMapper.h>
 #include <fmq/AidlMessageQueue.h>
 #include <utils/Thread.h>
 #include <deque>
@@ -58,7 +55,6 @@
 using ::android::hardware::camera::common::helper::SimpleThread;
 using ::android::hardware::camera::external::common::ExternalCameraConfig;
 using ::android::hardware::camera::external::common::SizeHasher;
-using ::android::hardware::graphics::mapper::V2_0::YCbCrLayout;
 using ::ndk::ScopedAStatus;
 
 class ExternalCameraDeviceSession : public BnCameraDeviceSession, public OutputThreadInterface {
diff --git a/camera/device/default/ExternalCameraOfflineSession.cpp b/camera/device/default/ExternalCameraOfflineSession.cpp
index 53bd44f..4c7f732 100644
--- a/camera/device/default/ExternalCameraOfflineSession.cpp
+++ b/camera/device/default/ExternalCameraOfflineSession.cpp
@@ -486,23 +486,13 @@
             } break;
             case PixelFormat::YCBCR_420_888:
             case PixelFormat::YV12: {
-                android::Rect outRect{0, 0, static_cast<int32_t>(halBuf.width),
+                IMapper::Rect outRect{0, 0, static_cast<int32_t>(halBuf.width),
                                       static_cast<int32_t>(halBuf.height)};
-                android_ycbcr result = sHandleImporter.lockYCbCr(
+                YCbCrLayout outLayout = sHandleImporter.lockYCbCr(
                         *(halBuf.bufPtr), static_cast<uint64_t>(halBuf.usage), outRect);
-                ALOGV("%s: outLayout y %p cb %p cr %p y_str %zu c_str %zu c_step %zu", __FUNCTION__,
-                      result.y, result.cb, result.cr, result.ystride, result.cstride,
-                      result.chroma_step);
-                if (result.ystride > UINT32_MAX || result.cstride > UINT32_MAX ||
-                    result.chroma_step > UINT32_MAX) {
-                    return onDeviceError("%s: lockYCbCr failed. Unexpected values!", __FUNCTION__);
-                }
-                YCbCrLayout outLayout = {.y = result.y,
-                                         .cb = result.cb,
-                                         .cr = result.cr,
-                                         .yStride = static_cast<uint32_t>(result.ystride),
-                                         .cStride = static_cast<uint32_t>(result.cstride),
-                                         .chromaStep = static_cast<uint32_t>(result.chroma_step)};
+                ALOGV("%s: outLayout y %p cb %p cr %p y_str %d c_str %d c_step %d", __FUNCTION__,
+                      outLayout.y, outLayout.cb, outLayout.cr, outLayout.yStride, outLayout.cStride,
+                      outLayout.chromaStep);
 
                 // Convert to output buffer size/format
                 uint32_t outputFourcc = getFourCcFromLayout(outLayout);
@@ -554,4 +544,4 @@
 }  // namespace device
 }  // namespace camera
 }  // namespace hardware
-}  // namespace android
+}  // namespace android
\ No newline at end of file
diff --git a/camera/device/default/ExternalCameraUtils.h b/camera/device/default/ExternalCameraUtils.h
index d434905..b37933c 100644
--- a/camera/device/default/ExternalCameraUtils.h
+++ b/camera/device/default/ExternalCameraUtils.h
@@ -25,11 +25,7 @@
 #include <aidl/android/hardware/camera/device/NotifyMsg.h>
 #include <aidl/android/hardware/graphics/common/BufferUsage.h>
 #include <aidl/android/hardware/graphics/common/PixelFormat.h>
-#include <android/hardware/graphics/mapper/2.0/IMapper.h>
-#include <android/hardware/graphics/mapper/3.0/IMapper.h>
-#include <android/hardware/graphics/mapper/4.0/IMapper.h>
 #include <tinyxml2.h>
-#include <map>
 #include <unordered_map>
 #include <unordered_set>
 
@@ -41,8 +37,6 @@
 using ::aidl::android::hardware::graphics::common::PixelFormat;
 using ::android::hardware::camera::common::V1_0::helper::CameraMetadata;
 using ::android::hardware::camera::common::V1_0::helper::HandleImporter;
-using ::android::hardware::graphics::mapper::V2_0::IMapper;
-using ::android::hardware::graphics::mapper::V2_0::YCbCrLayout;
 
 namespace android {
 namespace hardware {