diff --git a/vibrator/1.4/Android.bp b/vibrator/1.4/Android.bp
deleted file mode 100644
index acfc795..0000000
--- a/vibrator/1.4/Android.bp
+++ /dev/null
@@ -1,19 +0,0 @@
-// This file is autogenerated by hidl-gen -Landroidbp.
-
-hidl_interface {
-    name: "android.hardware.vibrator@1.4",
-    root: "android.hardware",
-    srcs: [
-        "types.hal",
-        "IVibrator.hal",
-        "IVibratorCallback.hal",
-    ],
-    interfaces: [
-        "android.hardware.vibrator@1.0",
-        "android.hardware.vibrator@1.1",
-        "android.hardware.vibrator@1.2",
-        "android.hardware.vibrator@1.3",
-        "android.hidl.base@1.0",
-    ],
-    gen_java: true,
-}
diff --git a/vibrator/1.4/IVibrator.hal b/vibrator/1.4/IVibrator.hal
deleted file mode 100644
index 913abe3..0000000
--- a/vibrator/1.4/IVibrator.hal
+++ /dev/null
@@ -1,57 +0,0 @@
-/*
- * 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.
- */
-
-package android.hardware.vibrator@1.4;
-
-import @1.0::EffectStrength;
-import @1.3::Effect;
-import @1.0::Status;
-import @1.3::IVibrator;
-import IVibratorCallback;
-
-interface IVibrator extends @1.3::IVibrator {
-    /**
-     * Determine capabilities of the vibrator HAL.
-     */
-    getCapabilities() generates (bitfield<Capabilities> capabilities);
-
-    /**
-     * Turn on vibrator
-     *
-     * This function must only be called after the previous timeout has expired or
-     * was canceled (through off()).
-     * @param timeoutMs number of milliseconds to vibrate.
-     * @param callback A callback used to inform Frameworks of state change, if supported.
-     * @return vibratorOnRet whether vibrator command was successful or not.
-     */
-    on_1_4(uint32_t timeoutMs, IVibratorCallback callback) generates (Status vibratorOnRet);
-
-    /**
-     * Fire off a predefined haptic event.
-     *
-     * @param effect The type of haptic event to trigger.
-     * @param strength The intensity of haptic event to trigger.
-     * @param callback A callback used to inform Frameworks of state change, if supported.
-     * @return status Whether the effect was successfully performed or not. Must
-     *     return Status::UNSUPPORTED_OPERATION if the effect is not supported.
-     * @return lengthMs The length of time the event is expected to take in
-     *     milliseconds. This doesn't need to be perfectly accurate, but should be a reasonable
-     *     approximation. Should be a positive, non-zero value if the returned status is Status::OK,
-     *     and set to 0 otherwise.
-     */
-    perform_1_4(Effect effect, EffectStrength strength, IVibratorCallback callback)
-        generates (Status status, uint32_t lengthMs);
-};
diff --git a/vibrator/1.4/IVibratorCallback.hal b/vibrator/1.4/IVibratorCallback.hal
deleted file mode 100644
index 76281bc..0000000
--- a/vibrator/1.4/IVibratorCallback.hal
+++ /dev/null
@@ -1,21 +0,0 @@
-/*
- * 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.
- */
-
-package android.hardware.vibrator@1.4;
-
-interface IVibratorCallback {
-    oneway onComplete();
-};
diff --git a/vibrator/1.4/types.hal b/vibrator/1.4/types.hal
deleted file mode 100644
index acc49b1..0000000
--- a/vibrator/1.4/types.hal
+++ /dev/null
@@ -1,22 +0,0 @@
-/*
- * 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.
- */
-
-package android.hardware.vibrator@1.4;
-
-enum Capabilities : uint32_t {
-    ON_COMPLETION_CALLBACK = 1 << 0,
-    PERFORM_COMPLETION_CALLBACK = 1 << 1,
-};
diff --git a/vibrator/1.4/vts/functional/Android.bp b/vibrator/1.4/vts/functional/Android.bp
deleted file mode 100644
index 202a824..0000000
--- a/vibrator/1.4/vts/functional/Android.bp
+++ /dev/null
@@ -1,33 +0,0 @@
-//
-// 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.
-//
-
-cc_test {
-    name: "VtsHalVibratorV1_4TargetTest",
-    defaults: ["VtsHalTargetTestDefaults"],
-    srcs: ["VtsHalVibratorV1_4TargetTest.cpp"],
-    static_libs: [
-        "android.hardware.vibrator@1.0",
-        "android.hardware.vibrator@1.1",
-        "android.hardware.vibrator@1.2",
-        "android.hardware.vibrator@1.3",
-        "android.hardware.vibrator@1.4",
-    ],
-    test_suites: [
-        "general-tests",
-        "vts-core",
-    ],
-}
-
diff --git a/vibrator/1.4/vts/functional/VtsHalVibratorV1_4TargetTest.cpp b/vibrator/1.4/vts/functional/VtsHalVibratorV1_4TargetTest.cpp
deleted file mode 100644
index 1b6abe9..0000000
--- a/vibrator/1.4/vts/functional/VtsHalVibratorV1_4TargetTest.cpp
+++ /dev/null
@@ -1,203 +0,0 @@
-/*
- * 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.
- */
-
-#define LOG_TAG "vibrator_hidl_hal_test"
-
-#include <android-base/logging.h>
-#include <android/hardware/vibrator/1.0/types.h>
-#include <android/hardware/vibrator/1.4/IVibrator.h>
-#include <gtest/gtest.h>
-#include <hidl/GtestPrinter.h>
-#include <hidl/ServiceManagement.h>
-
-#include <getopt.h>
-#include <unistd.h>
-
-#include <future>
-
-using ::android::sp;
-using ::android::hardware::hidl_bitfield;
-using ::android::hardware::hidl_enum_range;
-using ::android::hardware::Return;
-using ::android::hardware::Void;
-using ::android::hardware::vibrator::V1_0::EffectStrength;
-using ::android::hardware::vibrator::V1_0::Status;
-using ::android::hardware::vibrator::V1_3::Effect;
-using ::android::hardware::vibrator::V1_4::Capabilities;
-using ::android::hardware::vibrator::V1_4::IVibrator;
-using ::android::hardware::vibrator::V1_4::IVibratorCallback;
-
-static uint32_t sCompletionLimitMs = UINT32_MAX;
-
-#define EXPECT_OK(ret) ASSERT_TRUE((ret).isOk())
-
-class CompletionCallback : public IVibratorCallback {
-  public:
-    CompletionCallback(std::function<void()> callback) : mCallback(callback) {}
-    Return<void> onComplete() override {
-        mCallback();
-        return Void();
-    }
-
-  private:
-    std::function<void()> mCallback;
-};
-
-class VibratorHidlTest_1_4 : public testing::TestWithParam<std::string> {
-  public:
-    virtual void SetUp() override {
-        vibrator = IVibrator::getService(GetParam());
-        ASSERT_NE(vibrator, nullptr);
-        capabilities = vibrator->getCapabilities();
-    }
-
-    virtual void TearDown() override {}
-
-    sp<IVibrator> vibrator;
-    hidl_bitfield<Capabilities> capabilities;
-};
-
-TEST_P(VibratorHidlTest_1_4, OnWithCallback) {
-    if (capabilities & Capabilities::ON_COMPLETION_CALLBACK) {
-        std::promise<void> completionPromise;
-        std::future<void> completionFuture{completionPromise.get_future()};
-        sp<CompletionCallback> callback =
-                new CompletionCallback([&completionPromise] { completionPromise.set_value(); });
-        uint32_t duration = 250;
-        std::chrono::milliseconds timeout{duration * 2};
-        EXPECT_EQ(Status::OK, vibrator->on_1_4(duration, callback));
-        EXPECT_EQ(completionFuture.wait_for(timeout), std::future_status::ready);
-        vibrator->off();
-    }
-}
-
-static void validatePerformEffectUnsupportedOperation(Status status, uint32_t lengthMs) {
-    ASSERT_EQ(Status::UNSUPPORTED_OPERATION, status);
-    ASSERT_EQ(static_cast<uint32_t>(0), lengthMs)
-            << "Effects that return UNSUPPORTED_OPERATION must have a duration of zero";
-}
-
-static void validatePerformEffect(Status status, uint32_t lengthMs) {
-    ASSERT_TRUE(status == Status::OK || status == Status::UNSUPPORTED_OPERATION);
-    if (status == Status::OK) {
-        ASSERT_LT(static_cast<uint32_t>(0), lengthMs)
-                << "Effects that return OK must return a positive duration";
-    } else {
-        validatePerformEffectUnsupportedOperation(status, lengthMs);
-    }
-}
-
-/*
- * Test to make sure effects within the valid range return are either supported and return OK with
- * a valid duration, or are unsupported and return UNSUPPORTED_OPERATION with a duration of 0.
- */
-TEST_P(VibratorHidlTest_1_4, PerformEffect_1_4) {
-    Status performStatus;
-    uint32_t performLength;
-    auto validateWrapper = [&](Status status, uint32_t lengthMs) {
-        performStatus = status;
-        performLength = lengthMs;
-        validatePerformEffect(status, lengthMs);
-    };
-    for (const auto& effect : hidl_enum_range<Effect>()) {
-        for (const auto& strength : hidl_enum_range<EffectStrength>()) {
-            std::promise<void> completionPromise;
-            std::future<void> completionFuture{completionPromise.get_future()};
-            sp<CompletionCallback> callback =
-                    new CompletionCallback([&completionPromise] { completionPromise.set_value(); });
-            EXPECT_OK(vibrator->perform_1_4(effect, strength, callback, validateWrapper));
-            if (performStatus == Status::OK && performLength < sCompletionLimitMs &&
-                (capabilities & Capabilities::PERFORM_COMPLETION_CALLBACK)) {
-                std::chrono::milliseconds timeout{performLength * 2};
-                EXPECT_EQ(completionFuture.wait_for(timeout), std::future_status::ready);
-            }
-        }
-    }
-}
-
-/*
- * Test to make sure effect values above the valid range are rejected.
- */
-TEST_P(VibratorHidlTest_1_4, PerformEffect_1_4_BadEffects_AboveValidRange) {
-    Effect effect = *std::prev(hidl_enum_range<Effect>().end());
-    Effect badEffect = static_cast<Effect>(static_cast<int32_t>(effect) + 1);
-    EXPECT_OK(vibrator->perform_1_4(badEffect, EffectStrength::LIGHT, nullptr,
-                                    validatePerformEffectUnsupportedOperation));
-}
-
-/*
- * Test to make sure effect values below the valid range are rejected.
- */
-TEST_P(VibratorHidlTest_1_4, PerformEffect_1_4_BadEffects_BelowValidRange) {
-    Effect effect = *hidl_enum_range<Effect>().begin();
-    Effect badEffect = static_cast<Effect>(static_cast<int32_t>(effect) - 1);
-    EXPECT_OK(vibrator->perform_1_4(badEffect, EffectStrength::LIGHT, nullptr,
-                                    validatePerformEffectUnsupportedOperation));
-}
-
-/*
- * Test to make sure strength values above the valid range are rejected.
- */
-TEST_P(VibratorHidlTest_1_4, PerformEffect_1_4_BadStrength_AboveValidRange) {
-    EffectStrength strength = *std::prev(hidl_enum_range<EffectStrength>().end());
-    EffectStrength badStrength = static_cast<EffectStrength>(static_cast<int32_t>(strength) + 1);
-    EXPECT_OK(vibrator->perform_1_4(Effect::THUD, badStrength, nullptr,
-                                    validatePerformEffectUnsupportedOperation));
-}
-
-/*
- * Test to make sure strength values below the valid range are rejected.
- */
-TEST_P(VibratorHidlTest_1_4, PerformEffect_1_4_BadStrength_BelowValidRange) {
-    EffectStrength strength = *hidl_enum_range<EffectStrength>().begin();
-    EffectStrength badStrength = static_cast<EffectStrength>(static_cast<int32_t>(strength) - 1);
-    EXPECT_OK(vibrator->perform_1_4(Effect::THUD, badStrength, nullptr,
-                                    validatePerformEffectUnsupportedOperation));
-}
-
-INSTANTIATE_TEST_SUITE_P(
-        PerInstance, VibratorHidlTest_1_4,
-        testing::ValuesIn(android::hardware::getAllHalInstanceNames(IVibrator::descriptor)),
-        android::hardware::PrintInstanceNameToString);
-
-enum {
-    OPTION_COMPLETION_LIMIT_MS,
-};
-
-int main(int argc, char** argv) {
-    struct option options[] = {
-            {"completion-limit-ms", required_argument, 0, OPTION_COMPLETION_LIMIT_MS}, {}};
-
-    printf("Running main() from %s\n", __FILE__);
-    testing::InitGoogleTest(&argc, argv);
-
-    while (true) {
-        int opt = getopt_long(argc, argv, "", options, nullptr);
-        if (opt == -1) {
-            break;
-        }
-        switch (opt) {
-            case OPTION_COMPLETION_LIMIT_MS:
-                std::istringstream(optarg) >> sCompletionLimitMs;
-                break;
-            default:
-                printf("Unrecognized option\n");
-                return -EINVAL;
-        }
-    }
-
-    return RUN_ALL_TESTS();
-}