diff --git a/camera/common/default/Android.bp b/camera/common/default/Android.bp
index e8c8f9d..b5d3095 100644
--- a/camera/common/default/Android.bp
+++ b/camera/common/default/Android.bp
@@ -30,13 +30,12 @@
         "libgralloctypes",
         "libhardware",
         "libcamera_metadata",
-        "android.hardware.graphics.mapper@2.0",
-        "android.hardware.graphics.mapper@3.0",
-        "android.hardware.graphics.mapper@4.0",
         "libexif",
+        "libui",
     ],
     include_dirs: ["system/media/private/camera/include"],
     export_include_dirs: ["include"],
+    export_shared_lib_headers: ["libui"],
 }
 
 // NOTE: Deprecated module kept for compatibility reasons.
diff --git a/camera/common/default/HandleImporter.cpp b/camera/common/default/HandleImporter.cpp
index 1145baa..9c579e5 100644
--- a/camera/common/default/HandleImporter.cpp
+++ b/camera/common/default/HandleImporter.cpp
@@ -17,9 +17,10 @@
 #define LOG_TAG "HandleImporter"
 #include "HandleImporter.h"
 
+#include <aidl/android/hardware/graphics/common/Smpte2086.h>
 #include <gralloctypes/Gralloc4.h>
 #include <log/log.h>
-#include "aidl/android/hardware/graphics/common/Smpte2086.h"
+#include <ui/GraphicBufferMapper.h>
 
 namespace android {
 namespace hardware {
@@ -31,12 +32,6 @@
 using aidl::android::hardware::graphics::common::PlaneLayoutComponent;
 using aidl::android::hardware::graphics::common::PlaneLayoutComponentType;
 using aidl::android::hardware::graphics::common::Smpte2086;
-using MetadataType = android::hardware::graphics::mapper::V4_0::IMapper::MetadataType;
-using MapperErrorV2 = android::hardware::graphics::mapper::V2_0::Error;
-using MapperErrorV3 = android::hardware::graphics::mapper::V3_0::Error;
-using MapperErrorV4 = android::hardware::graphics::mapper::V4_0::Error;
-using IMapperV3 = android::hardware::graphics::mapper::V3_0::IMapper;
-using IMapperV4 = android::hardware::graphics::mapper::V4_0::IMapper;
 
 HandleImporter::HandleImporter() : mInitialized(false) {}
 
@@ -45,51 +40,20 @@
         return;
     }
 
-    mMapperV4 = IMapperV4::getService();
-    if (mMapperV4 != nullptr) {
-        mInitialized = true;
-        return;
-    }
-
-    mMapperV3 = IMapperV3::getService();
-    if (mMapperV3 != nullptr) {
-        mInitialized = true;
-        return;
-    }
-
-    mMapperV2 = IMapper::getService();
-    if (mMapperV2 == nullptr) {
-        ALOGE("%s: cannnot acccess graphics mapper HAL!", __FUNCTION__);
-        return;
-    }
-
+    GraphicBufferMapper::preloadHal();
     mInitialized = true;
     return;
 }
 
 void HandleImporter::cleanup() {
-    mMapperV4.clear();
-    mMapperV3.clear();
-    mMapperV2.clear();
     mInitialized = false;
 }
 
-template <class M, class E>
-bool HandleImporter::importBufferInternal(const sp<M> mapper, buffer_handle_t& handle) {
-    E error;
+bool HandleImporter::importBufferInternal(buffer_handle_t& handle) {
     buffer_handle_t importedHandle;
-    auto ret = mapper->importBuffer(
-            hidl_handle(handle), [&](const auto& tmpError, const auto& tmpBufferHandle) {
-                error = tmpError;
-                importedHandle = static_cast<buffer_handle_t>(tmpBufferHandle);
-            });
-
-    if (!ret.isOk()) {
-        ALOGE("%s: mapper importBuffer failed: %s", __FUNCTION__, ret.description().c_str());
-        return false;
-    }
-
-    if (error != E::NONE) {
+    auto status = GraphicBufferMapper::get().importBufferNoValidate(handle, &importedHandle);
+    if (status != OK) {
+        ALOGE("%s: mapper importBuffer failed: %d", __FUNCTION__, status);
         return false;
     }
 
@@ -97,172 +61,34 @@
     return true;
 }
 
-template <class M, class E>
-YCbCrLayout HandleImporter::lockYCbCrInternal(const sp<M> mapper, buffer_handle_t& buf,
-                                              uint64_t cpuUsage,
-                                              const IMapper::Rect& accessRegion) {
-    hidl_handle acquireFenceHandle;
-    auto buffer = const_cast<native_handle_t*>(buf);
-    YCbCrLayout layout = {};
+android_ycbcr HandleImporter::lockYCbCr(buffer_handle_t& buf, uint64_t cpuUsage,
+                                        const android::Rect& accessRegion) {
+    Mutex::Autolock lock(mLock);
 
-    typename M::Rect accessRegionCopy = {accessRegion.left, accessRegion.top, accessRegion.width,
-                                         accessRegion.height};
-    mapper->lockYCbCr(buffer, cpuUsage, accessRegionCopy, acquireFenceHandle,
-                      [&](const auto& tmpError, const auto& tmpLayout) {
-                          if (tmpError == E::NONE) {
-                              // Member by member copy from different versions of YCbCrLayout.
-                              layout.y = tmpLayout.y;
-                              layout.cb = tmpLayout.cb;
-                              layout.cr = tmpLayout.cr;
-                              layout.yStride = tmpLayout.yStride;
-                              layout.cStride = tmpLayout.cStride;
-                              layout.chromaStep = tmpLayout.chromaStep;
-                          } else {
-                              ALOGE("%s: failed to lockYCbCr error %d!", __FUNCTION__, tmpError);
-                          }
-                      });
+    if (!mInitialized) {
+        initializeLocked();
+    }
+    android_ycbcr layout;
+
+    status_t status = GraphicBufferMapper::get().lockYCbCr(buf, cpuUsage, accessRegion, &layout);
+
+    if (status != OK) {
+        ALOGE("%s: failed to lockYCbCr error %d!", __FUNCTION__, status);
+    }
+
     return layout;
 }
 
-bool isMetadataPesent(const sp<IMapperV4> mapper, const buffer_handle_t& buf,
-                      MetadataType metadataType) {
-    auto buffer = const_cast<native_handle_t*>(buf);
-    bool ret = false;
-    hidl_vec<uint8_t> vec;
-    mapper->get(buffer, metadataType, [&](const auto& tmpError, const auto& tmpMetadata) {
-        if (tmpError == MapperErrorV4::NONE) {
-            vec = tmpMetadata;
-        } else {
-            ALOGE("%s: failed to get metadata %d!", __FUNCTION__, tmpError);
-        }
-    });
-
-    if (vec.size() > 0) {
-        if (metadataType == gralloc4::MetadataType_Smpte2086) {
-            std::optional<Smpte2086> realSmpte2086;
-            gralloc4::decodeSmpte2086(vec, &realSmpte2086);
-            ret = realSmpte2086.has_value();
-        } else if (metadataType == gralloc4::MetadataType_Smpte2094_10) {
-            std::optional<std::vector<uint8_t>> realSmpte2094_10;
-            gralloc4::decodeSmpte2094_10(vec, &realSmpte2094_10);
-            ret = realSmpte2094_10.has_value();
-        } else if (metadataType == gralloc4::MetadataType_Smpte2094_40) {
-            std::optional<std::vector<uint8_t>> realSmpte2094_40;
-            gralloc4::decodeSmpte2094_40(vec, &realSmpte2094_40);
-            ret = realSmpte2094_40.has_value();
-        } else {
-            ALOGE("%s: Unknown metadata type!", __FUNCTION__);
-        }
-    }
-
-    return ret;
-}
-
-std::vector<PlaneLayout> getPlaneLayouts(const sp<IMapperV4> mapper, buffer_handle_t& buf) {
-    auto buffer = const_cast<native_handle_t*>(buf);
+std::vector<PlaneLayout> getPlaneLayouts(buffer_handle_t& buf) {
     std::vector<PlaneLayout> planeLayouts;
-    hidl_vec<uint8_t> encodedPlaneLayouts;
-    mapper->get(buffer, gralloc4::MetadataType_PlaneLayouts,
-                [&](const auto& tmpError, const auto& tmpEncodedPlaneLayouts) {
-                    if (tmpError == MapperErrorV4::NONE) {
-                        encodedPlaneLayouts = tmpEncodedPlaneLayouts;
-                    } else {
-                        ALOGE("%s: failed to get plane layouts %d!", __FUNCTION__, tmpError);
-                    }
-                });
-
-    gralloc4::decodePlaneLayouts(encodedPlaneLayouts, &planeLayouts);
+    status_t status = GraphicBufferMapper::get().getPlaneLayouts(buf, &planeLayouts);
+    if (status != OK) {
+        ALOGE("%s: failed to get PlaneLayouts! Status %d", __FUNCTION__, status);
+    }
 
     return planeLayouts;
 }
 
-template <>
-YCbCrLayout HandleImporter::lockYCbCrInternal<IMapperV4, MapperErrorV4>(
-        const sp<IMapperV4> mapper, buffer_handle_t& buf, uint64_t cpuUsage,
-        const IMapper::Rect& accessRegion) {
-    hidl_handle acquireFenceHandle;
-    auto buffer = const_cast<native_handle_t*>(buf);
-    YCbCrLayout layout = {};
-    void* mapped = nullptr;
-
-    typename IMapperV4::Rect accessRegionV4 = {accessRegion.left, accessRegion.top,
-                                               accessRegion.width, accessRegion.height};
-    mapper->lock(buffer, cpuUsage, accessRegionV4, acquireFenceHandle,
-                 [&](const auto& tmpError, const auto& tmpPtr) {
-                     if (tmpError == MapperErrorV4::NONE) {
-                         mapped = tmpPtr;
-                     } else {
-                         ALOGE("%s: failed to lock error %d!", __FUNCTION__, tmpError);
-                     }
-                 });
-
-    if (mapped == nullptr) {
-        return layout;
-    }
-
-    std::vector<PlaneLayout> planeLayouts = getPlaneLayouts(mapper, buf);
-    for (const auto& planeLayout : planeLayouts) {
-        for (const auto& planeLayoutComponent : planeLayout.components) {
-            const auto& type = planeLayoutComponent.type;
-
-            if (!gralloc4::isStandardPlaneLayoutComponentType(type)) {
-                continue;
-            }
-
-            uint8_t* data = reinterpret_cast<uint8_t*>(mapped);
-            data += planeLayout.offsetInBytes;
-            data += planeLayoutComponent.offsetInBits / 8;
-
-            switch (static_cast<PlaneLayoutComponentType>(type.value)) {
-                case PlaneLayoutComponentType::Y:
-                    layout.y = data;
-                    layout.yStride = planeLayout.strideInBytes;
-                    break;
-                case PlaneLayoutComponentType::CB:
-                    layout.cb = data;
-                    layout.cStride = planeLayout.strideInBytes;
-                    layout.chromaStep = planeLayout.sampleIncrementInBits / 8;
-                    break;
-                case PlaneLayoutComponentType::CR:
-                    layout.cr = data;
-                    layout.cStride = planeLayout.strideInBytes;
-                    layout.chromaStep = planeLayout.sampleIncrementInBits / 8;
-                    break;
-                default:
-                    break;
-            }
-        }
-    }
-
-    return layout;
-}
-
-template <class M, class E>
-int HandleImporter::unlockInternal(const sp<M> mapper, buffer_handle_t& buf) {
-    int releaseFence = -1;
-    auto buffer = const_cast<native_handle_t*>(buf);
-
-    mapper->unlock(buffer, [&](const auto& tmpError, const auto& tmpReleaseFence) {
-        if (tmpError == E::NONE) {
-            auto fenceHandle = tmpReleaseFence.getNativeHandle();
-            if (fenceHandle) {
-                if (fenceHandle->numInts != 0 || fenceHandle->numFds != 1) {
-                    ALOGE("%s: bad release fence numInts %d numFds %d", __FUNCTION__,
-                          fenceHandle->numInts, fenceHandle->numFds);
-                    return;
-                }
-                releaseFence = dup(fenceHandle->data[0]);
-                if (releaseFence < 0) {
-                    ALOGE("%s: bad release fence FD %d", __FUNCTION__, releaseFence);
-                }
-            }
-        } else {
-            ALOGE("%s: failed to unlock error %d!", __FUNCTION__, tmpError);
-        }
-    });
-    return releaseFence;
-}
-
 // In IComposer, any buffer_handle_t is owned by the caller and we need to
 // make a clone for hwcomposer2.  We also need to translate empty handle
 // to nullptr.  This function does that, in-place.
@@ -277,20 +103,7 @@
         initializeLocked();
     }
 
-    if (mMapperV4 != nullptr) {
-        return importBufferInternal<IMapperV4, MapperErrorV4>(mMapperV4, handle);
-    }
-
-    if (mMapperV3 != nullptr) {
-        return importBufferInternal<IMapperV3, MapperErrorV3>(mMapperV3, handle);
-    }
-
-    if (mMapperV2 != nullptr) {
-        return importBufferInternal<IMapper, MapperErrorV2>(mMapperV2, handle);
-    }
-
-    ALOGE("%s: mMapperV4, mMapperV3 and mMapperV2 are all null!", __FUNCTION__);
-    return false;
+    return importBufferInternal(handle);
 }
 
 void HandleImporter::freeBuffer(buffer_handle_t handle) {
@@ -303,21 +116,9 @@
         initializeLocked();
     }
 
-    if (mMapperV4 != nullptr) {
-        auto ret = mMapperV4->freeBuffer(const_cast<native_handle_t*>(handle));
-        if (!ret.isOk()) {
-            ALOGE("%s: mapper freeBuffer failed: %s", __FUNCTION__, ret.description().c_str());
-        }
-    } else if (mMapperV3 != nullptr) {
-        auto ret = mMapperV3->freeBuffer(const_cast<native_handle_t*>(handle));
-        if (!ret.isOk()) {
-            ALOGE("%s: mapper freeBuffer failed: %s", __FUNCTION__, ret.description().c_str());
-        }
-    } else {
-        auto ret = mMapperV2->freeBuffer(const_cast<native_handle_t*>(handle));
-        if (!ret.isOk()) {
-            ALOGE("%s: mapper freeBuffer failed: %s", __FUNCTION__, ret.description().c_str());
-        }
+    status_t status = GraphicBufferMapper::get().freeBuffer(handle);
+    if (status != OK) {
+        ALOGE("%s: mapper freeBuffer failed. Status %d", __FUNCTION__, status);
     }
 }
 
@@ -345,12 +146,12 @@
 }
 
 void* HandleImporter::lock(buffer_handle_t& buf, uint64_t cpuUsage, size_t size) {
-    IMapper::Rect accessRegion{0, 0, static_cast<int>(size), 1};
+    android::Rect accessRegion{0, 0, static_cast<int>(size), 1};
     return lock(buf, cpuUsage, accessRegion);
 }
 
 void* HandleImporter::lock(buffer_handle_t& buf, uint64_t cpuUsage,
-                           const IMapper::Rect& accessRegion) {
+                           const android::Rect& accessRegion) {
     Mutex::Autolock lock(mLock);
 
     if (!mInitialized) {
@@ -358,81 +159,18 @@
     }
 
     void* ret = nullptr;
-
-    if (mMapperV4 == nullptr && mMapperV3 == nullptr && mMapperV2 == nullptr) {
-        ALOGE("%s: mMapperV4, mMapperV3 and mMapperV2 are all null!", __FUNCTION__);
-        return ret;
-    }
-
-    hidl_handle acquireFenceHandle;
-    auto buffer = const_cast<native_handle_t*>(buf);
-    if (mMapperV4 != nullptr) {
-        IMapperV4::Rect accessRegionV4{accessRegion.left, accessRegion.top, accessRegion.width,
-                                       accessRegion.height};
-
-        mMapperV4->lock(buffer, cpuUsage, accessRegionV4, acquireFenceHandle,
-                        [&](const auto& tmpError, const auto& tmpPtr) {
-                            if (tmpError == MapperErrorV4::NONE) {
-                                ret = tmpPtr;
-                            } else {
-                                ALOGE("%s: failed to lock error %d!", __FUNCTION__, tmpError);
-                            }
-                        });
-    } else if (mMapperV3 != nullptr) {
-        IMapperV3::Rect accessRegionV3{accessRegion.left, accessRegion.top, accessRegion.width,
-                                       accessRegion.height};
-
-        mMapperV3->lock(buffer, cpuUsage, accessRegionV3, acquireFenceHandle,
-                        [&](const auto& tmpError, const auto& tmpPtr, const auto& /*bytesPerPixel*/,
-                            const auto& /*bytesPerStride*/) {
-                            if (tmpError == MapperErrorV3::NONE) {
-                                ret = tmpPtr;
-                            } else {
-                                ALOGE("%s: failed to lock error %d!", __FUNCTION__, tmpError);
-                            }
-                        });
-    } else {
-        mMapperV2->lock(buffer, cpuUsage, accessRegion, acquireFenceHandle,
-                        [&](const auto& tmpError, const auto& tmpPtr) {
-                            if (tmpError == MapperErrorV2::NONE) {
-                                ret = tmpPtr;
-                            } else {
-                                ALOGE("%s: failed to lock error %d!", __FUNCTION__, tmpError);
-                            }
-                        });
+    status_t status = GraphicBufferMapper::get().lock(buf, cpuUsage, accessRegion, &ret);
+    if (status != OK) {
+        ALOGE("%s: failed to lock error %d!", __FUNCTION__, status);
     }
 
     ALOGV("%s: ptr %p accessRegion.top: %d accessRegion.left: %d accessRegion.width: %d "
           "accessRegion.height: %d",
-          __FUNCTION__, ret, accessRegion.top, accessRegion.left, accessRegion.width,
-          accessRegion.height);
+          __FUNCTION__, ret, accessRegion.top, accessRegion.left, accessRegion.width(),
+          accessRegion.height());
     return ret;
 }
 
-YCbCrLayout HandleImporter::lockYCbCr(buffer_handle_t& buf, uint64_t cpuUsage,
-                                      const IMapper::Rect& accessRegion) {
-    Mutex::Autolock lock(mLock);
-
-    if (!mInitialized) {
-        initializeLocked();
-    }
-
-    if (mMapperV4 != nullptr) {
-        return lockYCbCrInternal<IMapperV4, MapperErrorV4>(mMapperV4, buf, cpuUsage, accessRegion);
-    }
-
-    if (mMapperV3 != nullptr) {
-        return lockYCbCrInternal<IMapperV3, MapperErrorV3>(mMapperV3, buf, cpuUsage, accessRegion);
-    }
-
-    if (mMapperV2 != nullptr) {
-        return lockYCbCrInternal<IMapper, MapperErrorV2>(mMapperV2, buf, cpuUsage, accessRegion);
-    }
-
-    ALOGE("%s: mMapperV4, mMapperV3 and mMapperV2 are all null!", __FUNCTION__);
-    return {};
-}
-
 status_t HandleImporter::getMonoPlanarStrideBytes(buffer_handle_t& buf, uint32_t* stride /*out*/) {
     if (stride == nullptr) {
         return BAD_VALUE;
@@ -444,35 +182,26 @@
         initializeLocked();
     }
 
-    if (mMapperV4 != nullptr) {
-        std::vector<PlaneLayout> planeLayouts = getPlaneLayouts(mMapperV4, buf);
-        if (planeLayouts.size() != 1) {
-            ALOGE("%s: Unexpected number of planes %zu!", __FUNCTION__, planeLayouts.size());
-            return BAD_VALUE;
-        }
-
-        *stride = planeLayouts[0].strideInBytes;
-    } else {
-        ALOGE("%s: mMapperV4 is null! Query not supported!", __FUNCTION__);
-        return NO_INIT;
+    std::vector<PlaneLayout> planeLayouts = getPlaneLayouts(buf);
+    if (planeLayouts.size() != 1) {
+        ALOGE("%s: Unexpected number of planes %zu!", __FUNCTION__, planeLayouts.size());
+        return BAD_VALUE;
     }
 
+    *stride = planeLayouts[0].strideInBytes;
+
     return OK;
 }
 
 int HandleImporter::unlock(buffer_handle_t& buf) {
-    if (mMapperV4 != nullptr) {
-        return unlockInternal<IMapperV4, MapperErrorV4>(mMapperV4, buf);
-    }
-    if (mMapperV3 != nullptr) {
-        return unlockInternal<IMapperV3, MapperErrorV3>(mMapperV3, buf);
-    }
-    if (mMapperV2 != nullptr) {
-        return unlockInternal<IMapper, MapperErrorV2>(mMapperV2, buf);
+    int releaseFence = -1;
+
+    status_t status = GraphicBufferMapper::get().unlockAsync(buf, &releaseFence);
+    if (status != OK) {
+        ALOGE("%s: failed to unlock error %d!", __FUNCTION__, status);
     }
 
-    ALOGE("%s: mMapperV4, mMapperV3 and mMapperV2 are all null!", __FUNCTION__);
-    return -1;
+    return releaseFence;
 }
 
 bool HandleImporter::isSmpte2086Present(const buffer_handle_t& buf) {
@@ -481,14 +210,14 @@
     if (!mInitialized) {
         initializeLocked();
     }
-
-    if (mMapperV4 != nullptr) {
-        return isMetadataPesent(mMapperV4, buf, gralloc4::MetadataType_Smpte2086);
-    } else {
-        ALOGE("%s: mMapperV4 is null! Query not supported!", __FUNCTION__);
+    std::optional<ui::Smpte2086> metadata;
+    status_t status = GraphicBufferMapper::get().getSmpte2086(buf, &metadata);
+    if (status != OK) {
+        ALOGE("%s: Mapper failed to get Smpte2094_40 metadata! Status: %d", __FUNCTION__, status);
+        return false;
     }
 
-    return false;
+    return metadata.has_value();
 }
 
 bool HandleImporter::isSmpte2094_10Present(const buffer_handle_t& buf) {
@@ -498,13 +227,14 @@
         initializeLocked();
     }
 
-    if (mMapperV4 != nullptr) {
-        return isMetadataPesent(mMapperV4, buf, gralloc4::MetadataType_Smpte2094_10);
-    } else {
-        ALOGE("%s: mMapperV4 is null! Query not supported!", __FUNCTION__);
+    std::optional<std::vector<uint8_t>> metadata;
+    status_t status = GraphicBufferMapper::get().getSmpte2094_10(buf, &metadata);
+    if (status != OK) {
+        ALOGE("%s: Mapper failed to get Smpte2094_40 metadata! Status: %d", __FUNCTION__, status);
+        return false;
     }
 
-    return false;
+    return metadata.has_value();
 }
 
 bool HandleImporter::isSmpte2094_40Present(const buffer_handle_t& buf) {
@@ -514,13 +244,14 @@
         initializeLocked();
     }
 
-    if (mMapperV4 != nullptr) {
-        return isMetadataPesent(mMapperV4, buf, gralloc4::MetadataType_Smpte2094_40);
-    } else {
-        ALOGE("%s: mMapperV4 is null! Query not supported!", __FUNCTION__);
+    std::optional<std::vector<uint8_t>> metadata;
+    status_t status = GraphicBufferMapper::get().getSmpte2094_40(buf, &metadata);
+    if (status != OK) {
+        ALOGE("%s: Mapper failed to get Smpte2094_40 metadata! Status: %d", __FUNCTION__, status);
+        return false;
     }
 
-    return false;
+    return metadata.has_value();
 }
 
 }  // namespace helper
diff --git a/camera/common/default/include/HandleImporter.h b/camera/common/default/include/HandleImporter.h
index 5408ba9..df01202 100644
--- a/camera/common/default/include/HandleImporter.h
+++ b/camera/common/default/include/HandleImporter.h
@@ -17,15 +17,11 @@
 #ifndef CAMERA_COMMON_1_0_HANDLEIMPORTED_H
 #define CAMERA_COMMON_1_0_HANDLEIMPORTED_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 <cutils/native_handle.h>
+#include <system/graphics.h>
+#include <ui/Rect.h>
 #include <utils/Mutex.h>
 
-using android::hardware::graphics::mapper::V2_0::IMapper;
-using android::hardware::graphics::mapper::V2_0::YCbCrLayout;
-
 namespace android {
 namespace hardware {
 namespace camera {
@@ -49,11 +45,11 @@
     void* lock(buffer_handle_t& buf, uint64_t cpuUsage, size_t size);
 
     // Locks 2-D buffer. Assumes caller has waited for acquire fences.
-    void* lock(buffer_handle_t& buf, uint64_t cpuUsage, const IMapper::Rect& accessRegion);
+    void* lock(buffer_handle_t& buf, uint64_t cpuUsage, const android::Rect& accessRegion);
 
     // Assumes caller has waited for acquire fences.
-    YCbCrLayout lockYCbCr(buffer_handle_t& buf, uint64_t cpuUsage,
-                          const IMapper::Rect& accessRegion);
+    android_ycbcr lockYCbCr(buffer_handle_t& buf, uint64_t cpuUsage,
+                            const android::Rect& accessRegion);
 
     // Query the stride of the first plane in bytes.
     status_t getMonoPlanarStrideBytes(buffer_handle_t& buf, uint32_t* stride /*out*/);
@@ -69,19 +65,11 @@
     void initializeLocked();
     void cleanup();
 
-    template <class M, class E>
-    bool importBufferInternal(const sp<M> mapper, buffer_handle_t& handle);
-    template <class M, class E>
-    YCbCrLayout lockYCbCrInternal(const sp<M> mapper, buffer_handle_t& buf, uint64_t cpuUsage,
-                                  const IMapper::Rect& accessRegion);
-    template <class M, class E>
-    int unlockInternal(const sp<M> mapper, buffer_handle_t& buf);
+    bool importBufferInternal(buffer_handle_t& handle);
+    int unlockInternal(buffer_handle_t& buf);
 
     Mutex mLock;
     bool mInitialized;
-    sp<IMapper> mMapperV2;
-    sp<graphics::mapper::V3_0::IMapper> mMapperV3;
-    sp<graphics::mapper::V4_0::IMapper> mMapperV4;
 };
 
 }  // namespace helper