diff --git a/neuralnetworks/1.0/vts/functional/Android.bp b/neuralnetworks/1.0/vts/functional/Android.bp
index 0fb18f1..0d70816 100644
--- a/neuralnetworks/1.0/vts/functional/Android.bp
+++ b/neuralnetworks/1.0/vts/functional/Android.bp
@@ -15,21 +15,19 @@
 //
 
 cc_library_static {
-    name: "VtsHalNeuralnetworksTest_utils",
+    name: "VtsHalNeuralNetworksV1_0_utils",
     srcs: [
         "Callbacks.cpp",
-        "GeneratedTestHarness.cpp",
+        "Utils.cpp",
     ],
     defaults: ["VtsHalTargetTestDefaults"],
-    export_include_dirs: ["."],
+    export_include_dirs: ["include"],
     shared_libs: [
         "libfmq",
         "libnativewindow",
     ],
     static_libs: [
         "android.hardware.neuralnetworks@1.0",
-        "android.hardware.neuralnetworks@1.1",
-        "android.hardware.neuralnetworks@1.2",
         "android.hidl.allocator@1.0",
         "android.hidl.memory@1.0",
         "libgmock",
@@ -44,12 +42,13 @@
 }
 
 cc_defaults {
-    name: "VtsHalNeuralNetworksTargetTestDefaults",
+    name: "VtsHalNeuralNetworksV1_0TargetTestDefaults",
     defaults: ["VtsHalTargetTestDefaults"],
     srcs: [
         "ValidateModel.cpp",
         "ValidateRequest.cpp",
         "VtsHalNeuralnetworks.cpp",
+        "GeneratedTestHarness.cpp",
     ],
     shared_libs: [
         "libfmq",
@@ -57,14 +56,12 @@
     ],
     static_libs: [
         "android.hardware.neuralnetworks@1.0",
-        "android.hardware.neuralnetworks@1.1",
-        "android.hardware.neuralnetworks@1.2",
         "android.hidl.allocator@1.0",
         "android.hidl.memory@1.0",
         "libgmock",
         "libhidlmemory",
         "libneuralnetworks_utils",
-        "VtsHalNeuralnetworksTest_utils",
+        "VtsHalNeuralNetworksV1_0_utils",
     ],
     header_libs: [
         "libneuralnetworks_headers",
@@ -76,19 +73,19 @@
 
 cc_test {
     name: "VtsHalNeuralnetworksV1_0TargetTest",
-    defaults: ["VtsHalNeuralNetworksTargetTestDefaults"],
+    defaults: ["VtsHalNeuralNetworksV1_0TargetTestDefaults"],
     srcs: [
         "BasicTests.cpp",
-        "GeneratedTests.cpp",
+        "GeneratedTestsV1_0.cpp",
     ],
 }
 
 cc_test {
     name: "PresubmitHalNeuralnetworksV1_0TargetTest",
-    defaults: ["VtsHalNeuralNetworksTargetTestDefaults"],
+    defaults: ["VtsHalNeuralNetworksV1_0TargetTestDefaults"],
     srcs: [
         "BasicTests.cpp",
-        "GeneratedTests.cpp",
+        "GeneratedTestsV1_0.cpp",
     ],
     cflags: [
         "-DPRESUBMIT_NOT_VTS",
diff --git a/neuralnetworks/1.0/vts/functional/Callbacks.cpp b/neuralnetworks/1.0/vts/functional/Callbacks.cpp
index c30702c..2b5723d 100644
--- a/neuralnetworks/1.0/vts/functional/Callbacks.cpp
+++ b/neuralnetworks/1.0/vts/functional/Callbacks.cpp
@@ -14,13 +14,13 @@
  * limitations under the License.
  */
 
-#include "Callbacks.h"
+#include "1.0/Callbacks.h"
 #include <android-base/logging.h>
 
 namespace android {
 namespace hardware {
 namespace neuralnetworks {
-namespace V1_2 {
+namespace V1_0 {
 namespace implementation {
 
 CallbackBase::CallbackBase() : mNotified(false) {}
@@ -111,14 +111,6 @@
     return Void();
 }
 
-Return<void> PreparedModelCallback::notify_1_2(ErrorStatus errorStatus,
-                                               const sp<V1_2::IPreparedModel>& preparedModel) {
-    mErrorStatus = errorStatus;
-    mPreparedModel = preparedModel;
-    CallbackBase::notify();
-    return Void();
-}
-
 ErrorStatus PreparedModelCallback::getStatus() {
     wait();
     return mErrorStatus;
@@ -135,18 +127,6 @@
 
 Return<void> ExecutionCallback::notify(ErrorStatus errorStatus) {
     mErrorStatus = errorStatus;
-    mOutputShapes = {};
-    mTiming = {.timeOnDevice = UINT64_MAX, .timeInDriver = UINT64_MAX};
-    CallbackBase::notify();
-    return Void();
-}
-
-Return<void> ExecutionCallback::notify_1_2(ErrorStatus errorStatus,
-                                           const hidl_vec<OutputShape>& outputShapes,
-                                           const Timing& timing) {
-    mErrorStatus = errorStatus;
-    mOutputShapes = outputShapes;
-    mTiming = timing;
     CallbackBase::notify();
     return Void();
 }
@@ -156,18 +136,8 @@
     return mErrorStatus;
 }
 
-const std::vector<OutputShape>& ExecutionCallback::getOutputShapes() {
-    wait();
-    return mOutputShapes;
-}
-
-Timing ExecutionCallback::getTiming() {
-    wait();
-    return mTiming;
-}
-
 }  // namespace implementation
-}  // namespace V1_2
+}  // namespace V1_0
 }  // namespace neuralnetworks
 }  // namespace hardware
 }  // namespace android
diff --git a/neuralnetworks/1.0/vts/functional/GeneratedTestHarness.cpp b/neuralnetworks/1.0/vts/functional/GeneratedTestHarness.cpp
index c819b52..603054d 100644
--- a/neuralnetworks/1.0/vts/functional/GeneratedTestHarness.cpp
+++ b/neuralnetworks/1.0/vts/functional/GeneratedTestHarness.cpp
@@ -15,129 +15,47 @@
  */
 
 #include "GeneratedTestHarness.h"
-#include "Callbacks.h"
-#include "ExecutionBurstController.h"
+#include "1.0/Callbacks.h"
+#include "1.0/Utils.h"
+#include "MemoryUtils.h"
 #include "TestHarness.h"
-#include "Utils.h"
 
 #include <android-base/logging.h>
 #include <android/hardware/neuralnetworks/1.0/IDevice.h>
-#include <android/hardware/neuralnetworks/1.0/IExecutionCallback.h>
 #include <android/hardware/neuralnetworks/1.0/IPreparedModel.h>
-#include <android/hardware/neuralnetworks/1.0/IPreparedModelCallback.h>
 #include <android/hardware/neuralnetworks/1.0/types.h>
-#include <android/hardware/neuralnetworks/1.1/IDevice.h>
-#include <android/hardware/neuralnetworks/1.2/IDevice.h>
-#include <android/hardware/neuralnetworks/1.2/IExecutionCallback.h>
-#include <android/hardware/neuralnetworks/1.2/IPreparedModel.h>
-#include <android/hardware/neuralnetworks/1.2/IPreparedModelCallback.h>
 #include <android/hidl/allocator/1.0/IAllocator.h>
 #include <android/hidl/memory/1.0/IMemory.h>
 #include <hidlmemory/mapping.h>
+
 #include <iostream>
 
 namespace android {
 namespace hardware {
 namespace neuralnetworks {
-
 namespace generated_tests {
-using ::android::hardware::neuralnetworks::V1_2::implementation::ExecutionCallback;
-using ::android::hardware::neuralnetworks::V1_2::implementation::PreparedModelCallback;
-using ::test_helper::bool8;
+
+using ::android::hardware::neuralnetworks::V1_0::ErrorStatus;
+using ::android::hardware::neuralnetworks::V1_0::IDevice;
+using ::android::hardware::neuralnetworks::V1_0::IPreparedModel;
+using ::android::hardware::neuralnetworks::V1_0::Model;
+using ::android::hardware::neuralnetworks::V1_0::Request;
+using ::android::hardware::neuralnetworks::V1_0::RequestArgument;
+using ::android::hardware::neuralnetworks::V1_0::implementation::ExecutionCallback;
+using ::android::hardware::neuralnetworks::V1_0::implementation::PreparedModelCallback;
+using ::android::hidl::memory::V1_0::IMemory;
 using ::test_helper::compare;
-using ::test_helper::expectMultinomialDistributionWithinTolerance;
 using ::test_helper::filter;
 using ::test_helper::for_all;
-using ::test_helper::for_each;
 using ::test_helper::MixedTyped;
 using ::test_helper::MixedTypedExample;
 using ::test_helper::resize_accordingly;
-using HidlToken = hidl_array<uint8_t, static_cast<uint32_t>(Constant::BYTE_SIZE_OF_CACHE_TOKEN)>;
-
-template <typename T>
-void copy_back_(std::map<int, std::vector<T>>* dst, const std::vector<RequestArgument>& ra,
-                char* src) {
-    for_each<T>(*dst, [&ra, src](int index, std::vector<T>& m) {
-        ASSERT_EQ(m.size(), ra[index].location.length / sizeof(T));
-        char* begin = src + ra[index].location.offset;
-        memcpy(m.data(), begin, ra[index].location.length);
-    });
-}
-
-void copy_back(MixedTyped* dst, const std::vector<RequestArgument>& ra, char* src) {
-    copy_back_(&dst->float32Operands, ra, src);
-    copy_back_(&dst->int32Operands, ra, src);
-    copy_back_(&dst->quant8AsymmOperands, ra, src);
-    copy_back_(&dst->quant16SymmOperands, ra, src);
-    copy_back_(&dst->float16Operands, ra, src);
-    copy_back_(&dst->bool8Operands, ra, src);
-    copy_back_(&dst->quant8ChannelOperands, ra, src);
-    copy_back_(&dst->quant16AsymmOperands, ra, src);
-    copy_back_(&dst->quant8SymmOperands, ra, src);
-    static_assert(9 == MixedTyped::kNumTypes,
-                  "Number of types in MixedTyped changed, but copy_back function wasn't updated");
-}
-
-static bool isZeroSized(const MixedTyped& example, uint32_t index) {
-    for (auto i : example.operandDimensions.at(index)) {
-        if (i == 0) return true;
-    }
-    return false;
-}
 
 // Top level driver for models and examples generated by test_generator.py
 // Test driver for those generated from ml/nn/runtime/test/spec
-static Return<ErrorStatus> ExecutePreparedModel(sp<V1_0::IPreparedModel>& preparedModel,
-                                                const Request& request, MeasureTiming,
-                                                sp<ExecutionCallback>& callback) {
-    return preparedModel->execute(request, callback);
-}
-static Return<ErrorStatus> ExecutePreparedModel(sp<V1_2::IPreparedModel>& preparedModel,
-                                                const Request& request, MeasureTiming measure,
-                                                sp<ExecutionCallback>& callback) {
-    return preparedModel->execute_1_2(request, measure, callback);
-}
-static Return<ErrorStatus> ExecutePreparedModel(sp<V1_0::IPreparedModel>&, const Request&,
-                                                MeasureTiming, hidl_vec<OutputShape>*, Timing*) {
-    ADD_FAILURE() << "asking for synchronous execution at V1_0";
-    return ErrorStatus::GENERAL_FAILURE;
-}
-static Return<ErrorStatus> ExecutePreparedModel(sp<V1_2::IPreparedModel>& preparedModel,
-                                                const Request& request, MeasureTiming measure,
-                                                hidl_vec<OutputShape>* outputShapes,
-                                                Timing* timing) {
-    ErrorStatus result;
-    Return<void> ret = preparedModel->executeSynchronously(
-            request, measure,
-            [&result, outputShapes, timing](ErrorStatus error, const hidl_vec<OutputShape>& shapes,
-                                            const Timing& time) {
-                result = error;
-                *outputShapes = shapes;
-                *timing = time;
-            });
-    if (!ret.isOk()) {
-        return ErrorStatus::GENERAL_FAILURE;
-    }
-    return result;
-}
-static std::unique_ptr<::android::nn::ExecutionBurstController> CreateBurst(
-        const sp<V1_0::IPreparedModel>&) {
-    ADD_FAILURE() << "asking for burst execution at V1_0";
-    return nullptr;
-}
-static std::shared_ptr<::android::nn::ExecutionBurstController> CreateBurst(
-        const sp<V1_2::IPreparedModel>& preparedModel) {
-    return ::android::nn::ExecutionBurstController::create(preparedModel, /*blocking=*/true);
-}
-enum class Executor { ASYNC, SYNC, BURST };
-enum class OutputType { FULLY_SPECIFIED, UNSPECIFIED, INSUFFICIENT };
-const float kDefaultAtol = 1e-5f;
-const float kDefaultRtol = 1e-5f;
-template <typename T_IPreparedModel>
-void EvaluatePreparedModel(sp<T_IPreparedModel>& preparedModel, std::function<bool(int)> is_ignored,
-                           const std::vector<MixedTypedExample>& examples,
-                           bool hasRelaxedFloat32Model, float fpAtol, float fpRtol,
-                           Executor executor, MeasureTiming measure, OutputType outputType) {
+void EvaluatePreparedModel(sp<IPreparedModel>& preparedModel, std::function<bool(int)> is_ignored,
+                           const std::vector<MixedTypedExample>& examples, float fpAtol,
+                           float fpRtol) {
     const uint32_t INPUT = 0;
     const uint32_t OUTPUT = 1;
 
@@ -147,14 +65,7 @@
         const MixedTyped& inputs = example.operands.first;
         const MixedTyped& golden = example.operands.second;
 
-        const bool hasFloat16Inputs = !inputs.float16Operands.empty();
-        if (hasRelaxedFloat32Model || hasFloat16Inputs) {
-            // TODO: Adjust the error limit based on testing.
-            // If in relaxed mode, set the absolute tolerance to be 5ULP of FP16.
-            fpAtol = 5.0f * 0.0009765625f;
-            // Set the relative tolerance to be 5ULP of the corresponding FP precision.
-            fpRtol = 5.0f * 0.0009765625f;
-        }
+        CHECK(inputs.float16Operands.empty()) << "float16 is not supported in 1.0";
 
         std::vector<RequestArgument> inputs_info, outputs_info;
         uint32_t inputSize = 0, outputSize = 0;
@@ -163,11 +74,13 @@
         for_all(inputs, [&inputs_info, &inputSize](int index, auto, auto s) {
             if (inputs_info.size() <= static_cast<size_t>(index)) inputs_info.resize(index + 1);
             RequestArgument arg = {
-                .location = {.poolIndex = INPUT, .offset = 0, .length = static_cast<uint32_t>(s)},
-                .dimensions = {},
+                    .location = {.poolIndex = INPUT,
+                                 .offset = 0,
+                                 .length = static_cast<uint32_t>(s)},
+                    .dimensions = {},
             };
             RequestArgument arg_empty = {
-                .hasNoValue = true,
+                    .hasNoValue = true,
             };
             inputs_info[index] = s ? arg : arg_empty;
             inputSize += s;
@@ -185,31 +98,17 @@
 
         // Go through all outputs, initialize RequestArgument descriptors
         resize_accordingly(golden, test);
-        bool sizeLargerThanOne = true;
-        for_all(golden, [&golden, &outputs_info, &outputSize, &outputType, &sizeLargerThanOne](
-                                int index, auto, auto s) {
+        for_all(golden, [&outputs_info, &outputSize](int index, auto, auto s) {
             if (outputs_info.size() <= static_cast<size_t>(index)) outputs_info.resize(index + 1);
-            if (index == 0) {
-                // On OutputType::INSUFFICIENT, set the output operand with index 0 with
-                // buffer size one byte less than needed.
-                if (outputType == OutputType::INSUFFICIENT) {
-                    if (s > 1 && !isZeroSized(golden, index)) {
-                        s -= 1;
-                    } else {
-                        sizeLargerThanOne = false;
-                    }
-                }
-            }
             RequestArgument arg = {
-                .location = {.poolIndex = OUTPUT, .offset = 0, .length = static_cast<uint32_t>(s)},
-                .dimensions = {},
+                    .location = {.poolIndex = OUTPUT,
+                                 .offset = 0,
+                                 .length = static_cast<uint32_t>(s)},
+                    .dimensions = {},
             };
             outputs_info[index] = arg;
             outputSize += s;
         });
-        // If output0 does not have size larger than one byte,
-        // we can not provide an insufficient buffer
-        if (!sizeLargerThanOne && outputType == OutputType::INSUFFICIENT) return;
         // Compute offset for outputs 1 and so on
         {
             size_t offset = 0;
@@ -248,107 +147,17 @@
 
         const Request request = {.inputs = inputs_info, .outputs = outputs_info, .pools = pools};
 
-        ErrorStatus executionStatus;
-        hidl_vec<OutputShape> outputShapes;
-        Timing timing;
-        switch (executor) {
-            case Executor::ASYNC: {
-                SCOPED_TRACE("asynchronous");
+        // launch execution
+        sp<ExecutionCallback> executionCallback = new ExecutionCallback();
+        ASSERT_NE(nullptr, executionCallback.get());
+        Return<ErrorStatus> executionLaunchStatus =
+                preparedModel->execute(request, executionCallback);
+        ASSERT_TRUE(executionLaunchStatus.isOk());
+        EXPECT_EQ(ErrorStatus::NONE, static_cast<ErrorStatus>(executionLaunchStatus));
 
-                // launch execution
-                sp<ExecutionCallback> executionCallback = new ExecutionCallback();
-                ASSERT_NE(nullptr, executionCallback.get());
-                Return<ErrorStatus> executionLaunchStatus =
-                        ExecutePreparedModel(preparedModel, request, measure, executionCallback);
-                ASSERT_TRUE(executionLaunchStatus.isOk());
-                EXPECT_EQ(ErrorStatus::NONE, static_cast<ErrorStatus>(executionLaunchStatus));
-
-                // retrieve execution status
-                executionCallback->wait();
-                executionStatus = executionCallback->getStatus();
-                outputShapes = executionCallback->getOutputShapes();
-                timing = executionCallback->getTiming();
-
-                break;
-            }
-            case Executor::SYNC: {
-                SCOPED_TRACE("synchronous");
-
-                // execute
-                Return<ErrorStatus> executionReturnStatus = ExecutePreparedModel(
-                        preparedModel, request, measure, &outputShapes, &timing);
-                ASSERT_TRUE(executionReturnStatus.isOk());
-                executionStatus = static_cast<ErrorStatus>(executionReturnStatus);
-
-                break;
-            }
-            case Executor::BURST: {
-                SCOPED_TRACE("burst");
-
-                // create burst
-                const std::shared_ptr<::android::nn::ExecutionBurstController> controller =
-                        CreateBurst(preparedModel);
-                ASSERT_NE(nullptr, controller.get());
-
-                // create memory keys
-                std::vector<intptr_t> keys(request.pools.size());
-                for (size_t i = 0; i < keys.size(); ++i) {
-                    keys[i] = reinterpret_cast<intptr_t>(&request.pools[i]);
-                }
-
-                // execute burst
-                std::tie(executionStatus, outputShapes, timing) =
-                        controller->compute(request, measure, keys);
-
-                break;
-            }
-        }
-
-        if (outputType != OutputType::FULLY_SPECIFIED &&
-            executionStatus == ErrorStatus::GENERAL_FAILURE) {
-            LOG(INFO) << "NN VTS: Early termination of test because vendor service cannot "
-                         "execute model that it does not support.";
-            std::cout << "[          ]   Early termination of test because vendor service cannot "
-                         "execute model that it does not support."
-                      << std::endl;
-            GTEST_SKIP();
-        }
-        if (measure == MeasureTiming::NO) {
-            EXPECT_EQ(UINT64_MAX, timing.timeOnDevice);
-            EXPECT_EQ(UINT64_MAX, timing.timeInDriver);
-        } else {
-            if (timing.timeOnDevice != UINT64_MAX && timing.timeInDriver != UINT64_MAX) {
-                EXPECT_LE(timing.timeOnDevice, timing.timeInDriver);
-            }
-        }
-
-        switch (outputType) {
-            case OutputType::FULLY_SPECIFIED:
-                // If the model output operands are fully specified, outputShapes must be either
-                // either empty, or have the same number of elements as the number of outputs.
-                ASSERT_EQ(ErrorStatus::NONE, executionStatus);
-                ASSERT_TRUE(outputShapes.size() == 0 ||
-                            outputShapes.size() == test.operandDimensions.size());
-                break;
-            case OutputType::UNSPECIFIED:
-                // If the model output operands are not fully specified, outputShapes must have
-                // the same number of elements as the number of outputs.
-                ASSERT_EQ(ErrorStatus::NONE, executionStatus);
-                ASSERT_EQ(outputShapes.size(), test.operandDimensions.size());
-                break;
-            case OutputType::INSUFFICIENT:
-                ASSERT_EQ(ErrorStatus::OUTPUT_INSUFFICIENT_SIZE, executionStatus);
-                ASSERT_EQ(outputShapes.size(), test.operandDimensions.size());
-                ASSERT_FALSE(outputShapes[0].isSufficient);
-                return;
-        }
-        // Go through all outputs, overwrite output dimensions with returned output shapes
-        if (outputShapes.size() > 0) {
-            for_each<uint32_t>(test.operandDimensions,
-                               [&outputShapes](int idx, std::vector<uint32_t>& dim) {
-                                   dim = outputShapes[idx].dimensions;
-                               });
-        }
+        // retrieve execution status
+        executionCallback->wait();
+        ASSERT_EQ(ErrorStatus::NONE, executionCallback->getStatus());
 
         // validate results
         outputMemory->read();
@@ -360,89 +169,22 @@
 
         // We want "close-enough" results for float
         compare(filtered_golden, filtered_test, fpAtol, fpRtol);
-
-        if (example.expectedMultinomialDistributionTolerance > 0) {
-            expectMultinomialDistributionWithinTolerance(test, example);
-        }
-    }
-}
-template <typename T_IPreparedModel>
-void EvaluatePreparedModel(sp<T_IPreparedModel>& preparedModel, std::function<bool(int)> is_ignored,
-                           const std::vector<MixedTypedExample>& examples,
-                           bool hasRelaxedFloat32Model, Executor executor, MeasureTiming measure,
-                           OutputType outputType) {
-    EvaluatePreparedModel(preparedModel, is_ignored, examples, hasRelaxedFloat32Model, kDefaultAtol,
-                          kDefaultRtol, executor, measure, outputType);
-}
-
-void EvaluatePreparedModel(sp<V1_2::IPreparedModel>& preparedModel,
-                           std::function<bool(int)> is_ignored,
-                           const std::vector<MixedTypedExample>& examples,
-                           bool hasRelaxedFloat32Model, bool testDynamicOutputShape) {
-    if (testDynamicOutputShape) {
-        EvaluatePreparedModel(preparedModel, is_ignored, examples, hasRelaxedFloat32Model,
-                              Executor::ASYNC, MeasureTiming::NO, OutputType::UNSPECIFIED);
-        EvaluatePreparedModel(preparedModel, is_ignored, examples, hasRelaxedFloat32Model,
-                              Executor::SYNC, MeasureTiming::NO, OutputType::UNSPECIFIED);
-        EvaluatePreparedModel(preparedModel, is_ignored, examples, hasRelaxedFloat32Model,
-                              Executor::BURST, MeasureTiming::NO, OutputType::UNSPECIFIED);
-        EvaluatePreparedModel(preparedModel, is_ignored, examples, hasRelaxedFloat32Model,
-                              Executor::ASYNC, MeasureTiming::YES, OutputType::UNSPECIFIED);
-        EvaluatePreparedModel(preparedModel, is_ignored, examples, hasRelaxedFloat32Model,
-                              Executor::SYNC, MeasureTiming::YES, OutputType::UNSPECIFIED);
-        EvaluatePreparedModel(preparedModel, is_ignored, examples, hasRelaxedFloat32Model,
-                              Executor::BURST, MeasureTiming::YES, OutputType::UNSPECIFIED);
-        EvaluatePreparedModel(preparedModel, is_ignored, examples, hasRelaxedFloat32Model,
-                              Executor::ASYNC, MeasureTiming::NO, OutputType::INSUFFICIENT);
-        EvaluatePreparedModel(preparedModel, is_ignored, examples, hasRelaxedFloat32Model,
-                              Executor::SYNC, MeasureTiming::NO, OutputType::INSUFFICIENT);
-        EvaluatePreparedModel(preparedModel, is_ignored, examples, hasRelaxedFloat32Model,
-                              Executor::BURST, MeasureTiming::NO, OutputType::INSUFFICIENT);
-        EvaluatePreparedModel(preparedModel, is_ignored, examples, hasRelaxedFloat32Model,
-                              Executor::ASYNC, MeasureTiming::YES, OutputType::INSUFFICIENT);
-        EvaluatePreparedModel(preparedModel, is_ignored, examples, hasRelaxedFloat32Model,
-                              Executor::SYNC, MeasureTiming::YES, OutputType::INSUFFICIENT);
-        EvaluatePreparedModel(preparedModel, is_ignored, examples, hasRelaxedFloat32Model,
-                              Executor::BURST, MeasureTiming::YES, OutputType::INSUFFICIENT);
-    } else {
-        EvaluatePreparedModel(preparedModel, is_ignored, examples, hasRelaxedFloat32Model,
-                              Executor::ASYNC, MeasureTiming::NO, OutputType::FULLY_SPECIFIED);
-        EvaluatePreparedModel(preparedModel, is_ignored, examples, hasRelaxedFloat32Model,
-                              Executor::SYNC, MeasureTiming::NO, OutputType::FULLY_SPECIFIED);
-        EvaluatePreparedModel(preparedModel, is_ignored, examples, hasRelaxedFloat32Model,
-                              Executor::BURST, MeasureTiming::NO, OutputType::FULLY_SPECIFIED);
-        EvaluatePreparedModel(preparedModel, is_ignored, examples, hasRelaxedFloat32Model,
-                              Executor::ASYNC, MeasureTiming::YES, OutputType::FULLY_SPECIFIED);
-        EvaluatePreparedModel(preparedModel, is_ignored, examples, hasRelaxedFloat32Model,
-                              Executor::SYNC, MeasureTiming::YES, OutputType::FULLY_SPECIFIED);
-        EvaluatePreparedModel(preparedModel, is_ignored, examples, hasRelaxedFloat32Model,
-                              Executor::BURST, MeasureTiming::YES, OutputType::FULLY_SPECIFIED);
     }
 }
 
-static void getPreparedModel(sp<PreparedModelCallback> callback,
-                             sp<V1_0::IPreparedModel>* preparedModel) {
-    *preparedModel = callback->getPreparedModel();
-}
-static void getPreparedModel(sp<PreparedModelCallback> callback,
-                             sp<V1_2::IPreparedModel>* preparedModel) {
-    sp<V1_0::IPreparedModel> preparedModelV1_0 = callback->getPreparedModel();
-    *preparedModel = V1_2::IPreparedModel::castFrom(preparedModelV1_0).withDefault(nullptr);
-}
-
-void Execute(const sp<V1_0::IDevice>& device, std::function<V1_0::Model(void)> create_model,
+void Execute(const sp<IDevice>& device, std::function<Model(void)> create_model,
              std::function<bool(int)> is_ignored, const std::vector<MixedTypedExample>& examples) {
-    V1_0::Model model = create_model();
+    Model model = create_model();
 
     // see if service can handle model
     bool fullySupportsModel = false;
     Return<void> supportedCall = device->getSupportedOperations(
-        model, [&fullySupportsModel](ErrorStatus status, const hidl_vec<bool>& supported) {
-            ASSERT_EQ(ErrorStatus::NONE, status);
-            ASSERT_NE(0ul, supported.size());
-            fullySupportsModel =
-                std::all_of(supported.begin(), supported.end(), [](bool valid) { return valid; });
-        });
+            model, [&fullySupportsModel](ErrorStatus status, const hidl_vec<bool>& supported) {
+                ASSERT_EQ(ErrorStatus::NONE, status);
+                ASSERT_NE(0ul, supported.size());
+                fullySupportsModel = std::all_of(supported.begin(), supported.end(),
+                                                 [](bool valid) { return valid; });
+            });
     ASSERT_TRUE(supportedCall.isOk());
 
     // launch prepare model
@@ -455,8 +197,7 @@
     // retrieve prepared model
     preparedModelCallback->wait();
     ErrorStatus prepareReturnStatus = preparedModelCallback->getStatus();
-    sp<V1_0::IPreparedModel> preparedModel;
-    getPreparedModel(preparedModelCallback, &preparedModel);
+    sp<IPreparedModel> preparedModel = preparedModelCallback->getPreparedModel();
 
     // early termination if vendor service cannot fully prepare model
     if (!fullySupportsModel && prepareReturnStatus != ErrorStatus::NONE) {
@@ -472,115 +213,10 @@
     ASSERT_NE(nullptr, preparedModel.get());
 
     float fpAtol = 1e-5f, fpRtol = 5.0f * 1.1920928955078125e-7f;
-    EvaluatePreparedModel(preparedModel, is_ignored, examples,
-                          /*hasRelaxedFloat32Model=*/false, fpAtol, fpRtol, Executor::ASYNC,
-                          MeasureTiming::NO, OutputType::FULLY_SPECIFIED);
-}
-
-void Execute(const sp<V1_1::IDevice>& device, std::function<V1_1::Model(void)> create_model,
-             std::function<bool(int)> is_ignored, const std::vector<MixedTypedExample>& examples) {
-    V1_1::Model model = create_model();
-
-    // see if service can handle model
-    bool fullySupportsModel = false;
-    Return<void> supportedCall = device->getSupportedOperations_1_1(
-        model, [&fullySupportsModel](ErrorStatus status, const hidl_vec<bool>& supported) {
-            ASSERT_EQ(ErrorStatus::NONE, status);
-            ASSERT_NE(0ul, supported.size());
-            fullySupportsModel =
-                std::all_of(supported.begin(), supported.end(), [](bool valid) { return valid; });
-        });
-    ASSERT_TRUE(supportedCall.isOk());
-
-    // launch prepare model
-    sp<PreparedModelCallback> preparedModelCallback = new PreparedModelCallback();
-    ASSERT_NE(nullptr, preparedModelCallback.get());
-    Return<ErrorStatus> prepareLaunchStatus = device->prepareModel_1_1(
-        model, ExecutionPreference::FAST_SINGLE_ANSWER, preparedModelCallback);
-    ASSERT_TRUE(prepareLaunchStatus.isOk());
-    ASSERT_EQ(ErrorStatus::NONE, static_cast<ErrorStatus>(prepareLaunchStatus));
-
-    // retrieve prepared model
-    preparedModelCallback->wait();
-    ErrorStatus prepareReturnStatus = preparedModelCallback->getStatus();
-    sp<V1_0::IPreparedModel> preparedModel;
-    getPreparedModel(preparedModelCallback, &preparedModel);
-
-    // early termination if vendor service cannot fully prepare model
-    if (!fullySupportsModel && prepareReturnStatus != ErrorStatus::NONE) {
-        ASSERT_EQ(nullptr, preparedModel.get());
-        LOG(INFO) << "NN VTS: Early termination of test because vendor service cannot "
-                     "prepare model that it does not support.";
-        std::cout << "[          ]   Early termination of test because vendor service cannot "
-                     "prepare model that it does not support."
-                  << std::endl;
-        GTEST_SKIP();
-    }
-    EXPECT_EQ(ErrorStatus::NONE, prepareReturnStatus);
-    ASSERT_NE(nullptr, preparedModel.get());
-
-    EvaluatePreparedModel(preparedModel, is_ignored, examples,
-                          model.relaxComputationFloat32toFloat16, 1e-5f, 1e-5f, Executor::ASYNC,
-                          MeasureTiming::NO, OutputType::FULLY_SPECIFIED);
-}
-
-void PrepareModel(const sp<V1_2::IDevice>& device, const V1_2::Model& model,
-                  sp<V1_2::IPreparedModel>* preparedModel) {
-    // see if service can handle model
-    bool fullySupportsModel = false;
-    Return<void> supportedCall = device->getSupportedOperations_1_2(
-        model, [&fullySupportsModel](ErrorStatus status, const hidl_vec<bool>& supported) {
-            ASSERT_EQ(ErrorStatus::NONE, status);
-            ASSERT_NE(0ul, supported.size());
-            fullySupportsModel =
-                std::all_of(supported.begin(), supported.end(), [](bool valid) { return valid; });
-        });
-    ASSERT_TRUE(supportedCall.isOk());
-
-    // launch prepare model
-    sp<PreparedModelCallback> preparedModelCallback = new PreparedModelCallback();
-    ASSERT_NE(nullptr, preparedModelCallback.get());
-    Return<ErrorStatus> prepareLaunchStatus = device->prepareModel_1_2(
-            model, ExecutionPreference::FAST_SINGLE_ANSWER, hidl_vec<hidl_handle>(),
-            hidl_vec<hidl_handle>(), HidlToken(), preparedModelCallback);
-    ASSERT_TRUE(prepareLaunchStatus.isOk());
-    ASSERT_EQ(ErrorStatus::NONE, static_cast<ErrorStatus>(prepareLaunchStatus));
-
-    // retrieve prepared model
-    preparedModelCallback->wait();
-    ErrorStatus prepareReturnStatus = preparedModelCallback->getStatus();
-    getPreparedModel(preparedModelCallback, preparedModel);
-
-    // early termination if vendor service cannot fully prepare model
-    if (!fullySupportsModel && prepareReturnStatus != ErrorStatus::NONE) {
-        ASSERT_EQ(nullptr, preparedModel->get());
-        LOG(INFO) << "NN VTS: Early termination of test because vendor service cannot "
-                     "prepare model that it does not support.";
-        std::cout << "[          ]   Early termination of test because vendor service cannot "
-                     "prepare model that it does not support."
-                  << std::endl;
-        return;
-    }
-    EXPECT_EQ(ErrorStatus::NONE, prepareReturnStatus);
-    ASSERT_NE(nullptr, preparedModel->get());
-}
-
-// TODO: Reduce code duplication.
-void Execute(const sp<V1_2::IDevice>& device, std::function<V1_2::Model(void)> create_model,
-             std::function<bool(int)> is_ignored, const std::vector<MixedTypedExample>& examples,
-             bool testDynamicOutputShape) {
-    V1_2::Model model = create_model();
-    sp<V1_2::IPreparedModel> preparedModel = nullptr;
-    PrepareModel(device, model, &preparedModel);
-    if (preparedModel == nullptr) {
-        GTEST_SKIP();
-    }
-    EvaluatePreparedModel(preparedModel, is_ignored, examples,
-                          model.relaxComputationFloat32toFloat16, testDynamicOutputShape);
+    EvaluatePreparedModel(preparedModel, is_ignored, examples, fpAtol, fpRtol);
 }
 
 }  // namespace generated_tests
-
 }  // namespace neuralnetworks
 }  // namespace hardware
 }  // namespace android
diff --git a/neuralnetworks/1.0/vts/functional/GeneratedTestHarness.h b/neuralnetworks/1.0/vts/functional/GeneratedTestHarness.h
index c7d2399..11950d9 100644
--- a/neuralnetworks/1.0/vts/functional/GeneratedTestHarness.h
+++ b/neuralnetworks/1.0/vts/functional/GeneratedTestHarness.h
@@ -14,14 +14,11 @@
  * limitations under the License.
  */
 
-#ifndef VTS_HAL_NEURALNETWORKS_GENERATED_TEST_HARNESS_H
-#define VTS_HAL_NEURALNETWORKS_GENERATED_TEST_HARNESS_H
-
-#include "TestHarness.h"
+#ifndef ANDROID_HARDWARE_NEURALNETWORKS_V1_0_GENERATED_TEST_HARNESS_H
+#define ANDROID_HARDWARE_NEURALNETWORKS_V1_0_GENERATED_TEST_HARNESS_H
 
 #include <android/hardware/neuralnetworks/1.0/IDevice.h>
-#include <android/hardware/neuralnetworks/1.1/IDevice.h>
-#include <android/hardware/neuralnetworks/1.2/IDevice.h>
+#include "TestHarness.h"
 
 namespace android {
 namespace hardware {
@@ -30,28 +27,13 @@
 namespace generated_tests {
 using ::test_helper::MixedTypedExample;
 
-void PrepareModel(const sp<V1_2::IDevice>& device, const V1_2::Model& model,
-                  sp<V1_2::IPreparedModel>* preparedModel);
-
-void EvaluatePreparedModel(sp<V1_2::IPreparedModel>& preparedModel,
-                           std::function<bool(int)> is_ignored,
-                           const std::vector<MixedTypedExample>& examples,
-                           bool hasRelaxedFloat32Model, bool testDynamicOutputShape);
-
 void Execute(const sp<V1_0::IDevice>& device, std::function<V1_0::Model(void)> create_model,
              std::function<bool(int)> is_ignored, const std::vector<MixedTypedExample>& examples);
 
-void Execute(const sp<V1_1::IDevice>& device, std::function<V1_1::Model(void)> create_model,
-             std::function<bool(int)> is_ignored, const std::vector<MixedTypedExample>& examples);
-
-void Execute(const sp<V1_2::IDevice>& device, std::function<V1_2::Model(void)> create_model,
-             std::function<bool(int)> is_ignored, const std::vector<MixedTypedExample>& examples,
-             bool testDynamicOutputShape = false);
-
 }  // namespace generated_tests
 
 }  // namespace neuralnetworks
 }  // namespace hardware
 }  // namespace android
 
-#endif  // VTS_HAL_NEURALNETWORKS_GENERATED_TEST_HARNESS_H
+#endif  // ANDROID_HARDWARE_NEURALNETWORKS_V1_0_GENERATED_TEST_HARNESS_H
diff --git a/neuralnetworks/1.0/vts/functional/GeneratedTests.cpp b/neuralnetworks/1.0/vts/functional/GeneratedTestsV1_0.cpp
similarity index 86%
rename from neuralnetworks/1.0/vts/functional/GeneratedTests.cpp
rename to neuralnetworks/1.0/vts/functional/GeneratedTestsV1_0.cpp
index d1c7de3..74946a5 100644
--- a/neuralnetworks/1.0/vts/functional/GeneratedTests.cpp
+++ b/neuralnetworks/1.0/vts/functional/GeneratedTestsV1_0.cpp
@@ -16,17 +16,16 @@
 
 #define LOG_TAG "neuralnetworks_hidl_hal_test"
 
-#include "VtsHalNeuralnetworks.h"
-
-#include "Callbacks.h"
-#include "GeneratedTestHarness.h"
-#include "TestHarness.h"
-#include "Utils.h"
-
 #include <android-base/logging.h>
 #include <android/hidl/memory/1.0/IMemory.h>
 #include <hidlmemory/mapping.h>
 
+#include "1.0/Callbacks.h"
+#include "GeneratedTestHarness.h"
+#include "MemoryUtils.h"
+#include "TestHarness.h"
+#include "VtsHalNeuralnetworks.h"
+
 namespace android {
 namespace hardware {
 namespace neuralnetworks {
@@ -34,8 +33,9 @@
 namespace vts {
 namespace functional {
 
-using ::android::hardware::neuralnetworks::V1_2::implementation::ExecutionCallback;
-using ::android::hardware::neuralnetworks::V1_2::implementation::PreparedModelCallback;
+using ::android::hardware::neuralnetworks::V1_0::implementation::ExecutionCallback;
+using ::android::hardware::neuralnetworks::V1_0::implementation::PreparedModelCallback;
+using ::android::hidl::memory::V1_0::IMemory;
 using ::android::nn::allocateSharedMemory;
 using ::test_helper::MixedTypedExample;
 
diff --git a/neuralnetworks/1.0/vts/functional/Utils.cpp b/neuralnetworks/1.0/vts/functional/Utils.cpp
new file mode 100644
index 0000000..521e524
--- /dev/null
+++ b/neuralnetworks/1.0/vts/functional/Utils.cpp
@@ -0,0 +1,60 @@
+/*
+ * Copyright (C) 2019 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.
+ */
+
+#include "GeneratedTestHarness.h"
+#include "TestHarness.h"
+
+#include <android/hardware/neuralnetworks/1.0/types.h>
+
+#include <cstring>
+#include <map>
+#include <vector>
+
+namespace android {
+namespace hardware {
+namespace neuralnetworks {
+
+using ::android::hardware::neuralnetworks::V1_0::RequestArgument;
+using ::test_helper::for_each;
+using ::test_helper::MixedTyped;
+
+template <typename T>
+void copy_back_(std::map<int, std::vector<T>>* dst, const std::vector<RequestArgument>& ra,
+                char* src) {
+    for_each<T>(*dst, [&ra, src](int index, std::vector<T>& m) {
+        ASSERT_EQ(m.size(), ra[index].location.length / sizeof(T));
+        char* begin = src + ra[index].location.offset;
+        memcpy(m.data(), begin, ra[index].location.length);
+    });
+}
+
+void copy_back(MixedTyped* dst, const std::vector<RequestArgument>& ra, char* src) {
+    copy_back_(&dst->float32Operands, ra, src);
+    copy_back_(&dst->int32Operands, ra, src);
+    copy_back_(&dst->quant8AsymmOperands, ra, src);
+    copy_back_(&dst->quant16SymmOperands, ra, src);
+    copy_back_(&dst->float16Operands, ra, src);
+    copy_back_(&dst->bool8Operands, ra, src);
+    copy_back_(&dst->quant8ChannelOperands, ra, src);
+    copy_back_(&dst->quant16AsymmOperands, ra, src);
+    copy_back_(&dst->quant8SymmOperands, ra, src);
+    static_assert(9 == MixedTyped::kNumTypes,
+                  "Number of types in MixedTyped changed, but copy_back function wasn't updated");
+}
+
+}  // namespace neuralnetworks
+}  // namespace hardware
+}  // namespace android
diff --git a/neuralnetworks/1.0/vts/functional/ValidateModel.cpp b/neuralnetworks/1.0/vts/functional/ValidateModel.cpp
index 5d24fb5..72c4a2b 100644
--- a/neuralnetworks/1.0/vts/functional/ValidateModel.cpp
+++ b/neuralnetworks/1.0/vts/functional/ValidateModel.cpp
@@ -18,7 +18,7 @@
 
 #include "VtsHalNeuralnetworks.h"
 
-#include "Callbacks.h"
+#include "1.0/Callbacks.h"
 
 namespace android {
 namespace hardware {
@@ -27,8 +27,8 @@
 namespace vts {
 namespace functional {
 
-using ::android::hardware::neuralnetworks::V1_2::implementation::ExecutionCallback;
-using ::android::hardware::neuralnetworks::V1_2::implementation::PreparedModelCallback;
+using ::android::hardware::neuralnetworks::V1_0::implementation::ExecutionCallback;
+using ::android::hardware::neuralnetworks::V1_0::implementation::PreparedModelCallback;
 
 ///////////////////////// UTILITY FUNCTIONS /////////////////////////
 
diff --git a/neuralnetworks/1.0/vts/functional/ValidateRequest.cpp b/neuralnetworks/1.0/vts/functional/ValidateRequest.cpp
index f0c93b7..058eb25 100644
--- a/neuralnetworks/1.0/vts/functional/ValidateRequest.cpp
+++ b/neuralnetworks/1.0/vts/functional/ValidateRequest.cpp
@@ -16,16 +16,15 @@
 
 #define LOG_TAG "neuralnetworks_hidl_hal_test"
 
-#include "VtsHalNeuralnetworks.h"
-
-#include "Callbacks.h"
-#include "TestHarness.h"
-#include "Utils.h"
-
 #include <android-base/logging.h>
 #include <android/hidl/memory/1.0/IMemory.h>
 #include <hidlmemory/mapping.h>
 
+#include "1.0/Callbacks.h"
+#include "MemoryUtils.h"
+#include "TestHarness.h"
+#include "VtsHalNeuralnetworks.h"
+
 namespace android {
 namespace hardware {
 namespace neuralnetworks {
@@ -33,7 +32,7 @@
 namespace vts {
 namespace functional {
 
-using ::android::hardware::neuralnetworks::V1_2::implementation::ExecutionCallback;
+using ::android::hardware::neuralnetworks::V1_0::implementation::ExecutionCallback;
 using ::android::hidl::memory::V1_0::IMemory;
 using test_helper::for_all;
 using test_helper::MixedTyped;
@@ -121,11 +120,13 @@
         for_all(inputs, [&inputs_info, &inputSize](int index, auto, auto s) {
             if (inputs_info.size() <= static_cast<size_t>(index)) inputs_info.resize(index + 1);
             RequestArgument arg = {
-                .location = {.poolIndex = INPUT, .offset = 0, .length = static_cast<uint32_t>(s)},
-                .dimensions = {},
+                    .location = {.poolIndex = INPUT,
+                                 .offset = 0,
+                                 .length = static_cast<uint32_t>(s)},
+                    .dimensions = {},
             };
             RequestArgument arg_empty = {
-                .hasNoValue = true,
+                    .hasNoValue = true,
             };
             inputs_info[index] = s ? arg : arg_empty;
             inputSize += s;
@@ -143,8 +144,10 @@
         for_all(outputs, [&outputs_info, &outputSize](int index, auto, auto s) {
             if (outputs_info.size() <= static_cast<size_t>(index)) outputs_info.resize(index + 1);
             RequestArgument arg = {
-                .location = {.poolIndex = OUTPUT, .offset = 0, .length = static_cast<uint32_t>(s)},
-                .dimensions = {},
+                    .location = {.poolIndex = OUTPUT,
+                                 .offset = 0,
+                                 .length = static_cast<uint32_t>(s)},
+                    .dimensions = {},
             };
             outputs_info[index] = arg;
             outputSize += s;
diff --git a/neuralnetworks/1.0/vts/functional/VtsHalNeuralnetworks.cpp b/neuralnetworks/1.0/vts/functional/VtsHalNeuralnetworks.cpp
index aee2f85..95b7ad3 100644
--- a/neuralnetworks/1.0/vts/functional/VtsHalNeuralnetworks.cpp
+++ b/neuralnetworks/1.0/vts/functional/VtsHalNeuralnetworks.cpp
@@ -20,7 +20,7 @@
 
 #include <android-base/logging.h>
 
-#include "Callbacks.h"
+#include "1.0/Callbacks.h"
 
 namespace android {
 namespace hardware {
@@ -29,7 +29,7 @@
 namespace vts {
 namespace functional {
 
-using ::android::hardware::neuralnetworks::V1_2::implementation::PreparedModelCallback;
+using ::android::hardware::neuralnetworks::V1_0::implementation::PreparedModelCallback;
 
 static void createPreparedModel(const sp<IDevice>& device, const V1_0::Model& model,
                                 sp<IPreparedModel>* preparedModel) {
diff --git a/neuralnetworks/1.0/vts/functional/VtsHalNeuralnetworks.h b/neuralnetworks/1.0/vts/functional/VtsHalNeuralnetworks.h
index 22285be..c32a91d 100644
--- a/neuralnetworks/1.0/vts/functional/VtsHalNeuralnetworks.h
+++ b/neuralnetworks/1.0/vts/functional/VtsHalNeuralnetworks.h
@@ -14,8 +14,8 @@
  * limitations under the License.
  */
 
-#ifndef VTS_HAL_NEURALNETWORKS_V1_0_TARGET_TESTS_H
-#define VTS_HAL_NEURALNETWORKS_V1_0_TARGET_TESTS_H
+#ifndef ANDROID_HARDWARE_NEURALNETWORKS_V1_0_VTS_HAL_NEURALNETWORKS_H
+#define ANDROID_HARDWARE_NEURALNETWORKS_V1_0_VTS_HAL_NEURALNETWORKS_H
 
 #include <android/hardware/neuralnetworks/1.0/IDevice.h>
 #include <android/hardware/neuralnetworks/1.0/types.h>
@@ -89,4 +89,4 @@
 
 }  // namespace android::hardware::neuralnetworks::V1_0
 
-#endif  // VTS_HAL_NEURALNETWORKS_V1_0_TARGET_TESTS_H
+#endif  // ANDROID_HARDWARE_NEURALNETWORKS_V1_0_VTS_HAL_NEURALNETWORKS_H
diff --git a/neuralnetworks/1.0/vts/functional/Callbacks.h b/neuralnetworks/1.0/vts/functional/include/1.0/Callbacks.h
similarity index 64%
rename from neuralnetworks/1.0/vts/functional/Callbacks.h
rename to neuralnetworks/1.0/vts/functional/include/1.0/Callbacks.h
index 4707d0a..36318ea 100644
--- a/neuralnetworks/1.0/vts/functional/Callbacks.h
+++ b/neuralnetworks/1.0/vts/functional/include/1.0/Callbacks.h
@@ -19,9 +19,6 @@
 
 #include <android/hardware/neuralnetworks/1.0/IExecutionCallback.h>
 #include <android/hardware/neuralnetworks/1.0/IPreparedModelCallback.h>
-#include <android/hardware/neuralnetworks/1.2/IExecutionCallback.h>
-#include <android/hardware/neuralnetworks/1.2/IPreparedModelCallback.h>
-#include <hidl/MQDescriptor.h>
 #include <hidl/Status.h>
 #include <chrono>
 #include <condition_variable>
@@ -32,11 +29,9 @@
 namespace android {
 namespace hardware {
 namespace neuralnetworks {
-namespace V1_2 {
+namespace V1_0 {
 namespace implementation {
 
-using V1_0::ErrorStatus;
-
 /**
  * The CallbackBase class is used internally by the NeuralNetworks runtime to
  * synchronize between different threads. An asynchronous task is launched
@@ -60,7 +55,7 @@
  * std::condition_variable, or std::experimental::latch instead.
  */
 class CallbackBase {
- public:
+  public:
     CallbackBase();
     ~CallbackBase();
 
@@ -79,8 +74,8 @@
      *                before the time duration expired, std::cv_status::timeout
      *                otherwise.
      */
-    template<class Rep, class Period>
-    std::cv_status wait_for(const std::chrono::duration<Rep,Period>& timeout_duration);
+    template <class Rep, class Period>
+    std::cv_status wait_for(const std::chrono::duration<Rep, Period>& timeout_duration);
 
     /**
      * CallbackBase::on_finish binds a function to the callback object. This
@@ -144,7 +139,7 @@
      */
     void join_thread();
 
- protected:
+  protected:
     /**
      * CallbackBase::notify enables all prior and future wait* calls on the
      * callback object to proceed. The call to CallbackBase::notify happens
@@ -158,16 +153,16 @@
      */
     void notify();
 
- private:
+  private:
     // Same as CallbackBase::join_thread but assumes we already hold a lock on
     // mMutex.
     void join_thread_locked();
 
-    bool                      mNotified;
-    std::mutex                mMutex;
-    std::condition_variable   mCondition;
+    bool mNotified;
+    std::mutex mMutex;
+    std::condition_variable mCondition;
     std::function<bool(void)> mPostWork;
-    std::thread               mThread;
+    std::thread mThread;
 };
 
 /**
@@ -176,29 +171,29 @@
  * asynchronously with respect to the runtime. If a calling thread calls wait*
  * or get* on a PreparedModelCallback object and the corresponding asynchronous
  * task has not finished preparing the model, the calling thread will block
- * until the asynchronous task has either called notify or notify_1_2. For more
- * information on the synchronization behavior, refer to the CallbackBase class.
+ * until the asynchronous task has called notify. For more information on the
+ * synchronization behavior, refer to the CallbackBase class.
  *
  * This class inherits the basic blocking and signaling calls from
- * CallbackBase, and implements the HIDL notify and notify_1_2 calls from
+ * CallbackBase, and implements the HIDL notify call from
  * IPreparedModelCallback. This callback object is passed as an argument to
  * IDevice::prepareModel.
  */
 class PreparedModelCallback : public CallbackBase, public IPreparedModelCallback {
- public:
+  public:
     PreparedModelCallback();
     ~PreparedModelCallback() override;
 
     /**
-     * IPreparedModelCallback::notify and IPreparedModelCallback::notify_1_2
-     * mark the callback object with the return status of the asynchronous
-     * model preparation along with the prepared model, and call
-     * CallbackBase::notify, enabling all prior and future wait* calls on the
-     * PreparedModelCallback object to proceed. For more information on the
-     * synchronization behavior, refer to the CallbackBase class.
+     * IPreparedModelCallback::notify marks the callback object with the return
+     * status of the asynchronous model preparation along with the prepared
+     * model and calls CallbackBase::notify, enabling all prior and future
+     * wait* calls on the PreparedModelCallback object to proceed.
+     * For more information on the synchronization behavior, refer to the
+     * CallbackBase class.
      *
-     * Either IPreparedModelCallback::notify or IPreparedModelCallback::notify_1_2
-     * must be called exactly once on a given PreparedModelCallback object.
+     * IPreparedModelCallback::notify must be called exactly once on a given
+     * PreparedModelCallback object.
      *
      * @param status Error status returned from asynchronously preparing the
      *               model; will be:
@@ -210,8 +205,6 @@
      *                      nullptr if the model was unable to be prepared.
      */
     Return<void> notify(ErrorStatus status, const sp<V1_0::IPreparedModel>& preparedModel) override;
-    Return<void> notify_1_2(ErrorStatus status,
-                            const sp<V1_2::IPreparedModel>& preparedModel) override;
 
     /**
      * Retrieves the error status returned from the asynchronous task launched
@@ -241,8 +234,8 @@
      */
     sp<V1_0::IPreparedModel> getPreparedModel();
 
-   private:
-    ErrorStatus        mErrorStatus;
+  private:
+    ErrorStatus mErrorStatus;
     sp<V1_0::IPreparedModel> mPreparedModel;
 };
 
@@ -251,29 +244,28 @@
  * execution from a task executing asynchronously with respect to the runtime.
  * If a calling thread calls wait* or get* on a PreparedModelCallback object and
  * the corresponding asynchronous task has not finished the execution, the
- * calling thread will block until the asynchronous task has either called notify
- * or notify_1_2. For more information on the synchronization behavior, refer to
- * the CallbackBase class.
+ * calling thread will block until the asynchronous task has called notify.
+ * For more information on the synchronization behavior, refer to the
+ * CallbackBase class.
  *
  * This class inherits the basic blocking and signaling calls from
- * CallbackBase, and implements the HIDL notify and notify_1_2 calls from
- * IExecutionCallback. This callback object is passed as an argument to
- * IPreparedModel::execute.
+ * CallbackBase, and implements the HIDL notify call from IExecutionCallback.
+ * This callback object is passed as an argument to IPreparedModel::execute.
  */
-class ExecutionCallback : public CallbackBase,  public IExecutionCallback {
- public:
+class ExecutionCallback : public CallbackBase, public IExecutionCallback {
+  public:
     ExecutionCallback();
     ~ExecutionCallback() override;
 
     /**
-     * IExecutionCallback::notify and IExecutionCallback::notify_1_2 mark the
-     * callback object with the return status of the asynchronous execution that
-     * held this callback and enable all prior and future wait* calls on the
-     * ExecutionCallback object to proceed. For more information on the
-     * synchronization behavior, refer to the CallbackBase class.
+     * IExecutionCallback::notify marks the callback object with the return
+     * status of the asynchronous execution that held this callback and enable
+     * all prior and future wait* calls on the ExecutionCallback object to
+     * proceed. For more information on the synchronization behavior, refer to
+     * the CallbackBase class.
      *
-     * Either IExecutionCallback::notify or IExecutionCallback::notify_1_2 must
-     * be called exactly once on a given ExecutionCallback object.
+     * IExecutionCallback::notify must be called exactly once on a given
+     * ExecutionCallback object.
      *
      * @param status Error status returned from launching the asynchronous task
      *               (if the launch fails) or from the asynchronous task itself
@@ -288,47 +280,10 @@
     Return<void> notify(ErrorStatus status) override;
 
     /**
-     * Similar to IExecutionCallback::notify, but for V1_2::IPreparedModel to
-     * also notify output shapes along with error status.
-     *
-     * @param status Error status returned from launching the asynchronous task
-     *               (if the launch fails) or from the asynchronous task itself
-     *               (if the launch succeeds). Must be:
-     *               - NONE if the asynchronous execution was successful
-     *               - DEVICE_UNAVAILABLE if driver is offline or busy
-     *               - GENERAL_FAILURE if the asynchronous task resulted in an
-     *                 unspecified error
-     *               - OUTPUT_INSUFFICIENT_SIZE if at least one output
-     *                 operand buffer is not large enough to store the
-     *                 corresponding output
-     *               - INVALID_ARGUMENT if one of the input arguments to
-     *                 prepareModel is invalid
-     * @param outputShapes A list of shape information of model output operands.
-     *                     The index into "outputShapes" corresponds to the index
-     *                     of the output operand in the Request outputs vector.
-     *                     outputShapes must be empty unless the status is either
-     *                     NONE or OUTPUT_INSUFFICIENT_SIZE.
-     * @return Timing Duration of execution. Unless MeasureTiming::YES was passed when
-     *                launching the execution and status is NONE, all times must
-     *                be reported as UINT64_MAX. A driver may choose to report
-     *                any time as UINT64_MAX, indicating that particular measurement is
-     *                not available.
-     */
-    Return<void> notify_1_2(ErrorStatus status, const hidl_vec<OutputShape>& outputShapes,
-                            const Timing& timing) override;
-
-    // An overload of the latest notify interface to hide the version from ExecutionBuilder.
-    Return<void> notify(ErrorStatus status, const hidl_vec<OutputShape>& outputShapes,
-                        const Timing& timing) {
-        return notify_1_2(status, outputShapes, timing);
-    }
-
-    /**
      * Retrieves the error status returned from the asynchronous task launched
-     * by either IPreparedModel::execute or IPreparedModel::execute_1_2. If
-     * IPreparedModel::execute or IPreparedModel::execute_1_2 has not finished
-     * asynchronously executing, this call will block until the asynchronous task
-     * notifies the object.
+     * by IPreparedModel::execute. If IPreparedModel::execute has not finished
+     * asynchronously executing, this call will block until the asynchronous
+     * task notifies the object.
      *
      * @return status Error status returned from launching the asynchronous task
      *                (if the launch fails) or from the asynchronous task itself
@@ -345,50 +300,17 @@
      */
     ErrorStatus getStatus();
 
-    /**
-     * Retrieves the output shapes returned from the asynchronous task launched
-     * by IPreparedModel::execute_1_2. If IPreparedModel::execute_1_2 has not finished
-     * asynchronously executing, this call will block until the asynchronous task
-     * notifies the object.
-     *
-     * If the asynchronous task was launched by IPreparedModel::execute, an empty vector
-     * will be returned.
-     *
-     * @return outputShapes A list of shape information of model output operands.
-     *                      The index into "outputShapes" corresponds to the index
-     *                      of the output operand in the Request outputs vector.
-     *                      outputShapes must be empty unless the status is either
-     *                      NONE or OUTPUT_INSUFFICIENT_SIZE.
-     */
-    const std::vector<OutputShape>& getOutputShapes();
-
-    /**
-     * Retrieves the duration of execution ofthe asynchronous task launched
-     * by IPreparedModel::execute_1_2. If IPreparedModel::execute_1_2 has not finished
-     * asynchronously executing, this call will block until the asynchronous task
-     * notifies the object.
-     *
-     * If the asynchronous task was launched by IPreparedModel::execute, every time
-     * must be UINT64_MAX.
-     *
-     * @return timing Duration of the execution. Every time must be UINT64_MAX unless
-     *                the status is NONE.
-     */
-    Timing getTiming();
-
-   private:
+  private:
     ErrorStatus mErrorStatus = ErrorStatus::GENERAL_FAILURE;
-    std::vector<OutputShape> mOutputShapes = {};
-    Timing mTiming = {};
 };
 
-
 // template function implementation(s) below this point
 
-template<class Rep, class Period>
-std::cv_status CallbackBase::wait_for(const std::chrono::duration<Rep,Period>& timeout_duration) {
+template <class Rep, class Period>
+std::cv_status CallbackBase::wait_for(const std::chrono::duration<Rep, Period>& timeout_duration) {
     std::unique_lock<std::mutex> lock(mMutex);
-    std::cv_status status = mCondition.wait_for(lock, timeout_duration, [this]{return mNotified;});
+    std::cv_status status =
+            mCondition.wait_for(lock, timeout_duration, [this] { return mNotified; });
     if (status != std::cv_status::timeout) {
         join_thread_locked();
     }
@@ -396,7 +318,7 @@
 }
 
 }  // namespace implementation
-}  // namespace V1_2
+}  // namespace V1_0
 }  // namespace neuralnetworks
 }  // namespace hardware
 }  // namespace android
diff --git a/neuralnetworks/1.0/vts/functional/include/1.0/Utils.h b/neuralnetworks/1.0/vts/functional/include/1.0/Utils.h
new file mode 100644
index 0000000..b270c20
--- /dev/null
+++ b/neuralnetworks/1.0/vts/functional/include/1.0/Utils.h
@@ -0,0 +1,56 @@
+/*
+ * Copyright (C) 2019 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.
+ */
+
+#ifndef ANDROID_HARDWARE_NEURALNETWORKS_V1_0_UTILS_H
+#define ANDROID_HARDWARE_NEURALNETWORKS_V1_0_UTILS_H
+
+#include <android/hardware/neuralnetworks/1.0/types.h>
+#include <algorithm>
+#include <vector>
+#include "TestHarness.h"
+
+namespace android {
+namespace hardware {
+namespace neuralnetworks {
+
+void copy_back(::test_helper::MixedTyped* dst, const std::vector<V1_0::RequestArgument>& ra,
+               char* src);
+
+// Delete element from hidl_vec. hidl_vec doesn't support a "remove" operation,
+// so this is efficiently accomplished by moving the element to the end and
+// resizing the hidl_vec to one less.
+template <typename Type>
+inline void hidl_vec_removeAt(hidl_vec<Type>* vec, uint32_t index) {
+    if (vec) {
+        std::rotate(vec->begin() + index, vec->begin() + index + 1, vec->end());
+        vec->resize(vec->size() - 1);
+    }
+}
+
+template <typename Type>
+inline uint32_t hidl_vec_push_back(hidl_vec<Type>* vec, const Type& value) {
+    // assume vec is valid
+    const uint32_t index = vec->size();
+    vec->resize(index + 1);
+    (*vec)[index] = value;
+    return index;
+}
+
+}  // namespace neuralnetworks
+}  // namespace hardware
+}  // namespace android
+
+#endif  // ANDROID_HARDWARE_NEURALNETWORKS_V1_0_UTILS_H