diff --git a/gnss/aidl/default/Android.bp b/gnss/aidl/default/Android.bp
index 4543665..c8ae6b2 100644
--- a/gnss/aidl/default/Android.bp
+++ b/gnss/aidl/default/Android.bp
@@ -31,7 +31,6 @@
     ],
     vintf_fragments: [
         "gnss-default.xml",
-        "gnss@2.1-service.xml",
     ],
     vendor: true,
     cflags: [
@@ -47,7 +46,6 @@
         "liblog",
         "android.hardware.gnss@2.1",
         "android.hardware.gnss@2.0",
-        "android.hardware.gnss@1.1",
         "android.hardware.gnss@1.0",
         "android.hardware.gnss.measurement_corrections@1.1",
         "android.hardware.gnss.measurement_corrections@1.0",
@@ -62,7 +60,6 @@
         "GnssBatching.cpp",
         "GnssDebug.cpp",
         "GnssGeofence.cpp",
-        "GnssHidlHal.cpp",
         "GnssNavigationMessageInterface.cpp",
         "GnssPowerIndication.cpp",
         "GnssPsds.cpp",
diff --git a/gnss/aidl/default/GnssHidlHal.cpp b/gnss/aidl/default/GnssHidlHal.cpp
deleted file mode 100644
index 10b0106..0000000
--- a/gnss/aidl/default/GnssHidlHal.cpp
+++ /dev/null
@@ -1,65 +0,0 @@
-/*
- * Copyright (C) 2020 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 "GnssHidlHal"
-
-#include "GnssHidlHal.h"
-
-namespace aidl::android::hardware::gnss {
-
-using GnssSvInfo = ::android::hardware::gnss::V2_1::IGnssCallback::GnssSvInfo;
-
-GnssHidlHal::GnssHidlHal(const std::shared_ptr<Gnss>& gnssAidl) : mGnssAidl(gnssAidl) {
-    Gnss* iGnss = mGnssAidl.get();
-    std::shared_ptr<IGnssConfiguration> iGnssConfiguration;
-    auto status = iGnss->getExtensionGnssConfiguration(&iGnssConfiguration);
-    if (!status.isOk()) {
-        ALOGE("Failed to getExtensionGnssConfiguration.");
-    } else {
-        mGnssConfigurationAidl = iGnss->mGnssConfiguration;
-    }
-
-    std::shared_ptr<IGnssPowerIndication> iGnssPowerIndication;
-    status = iGnss->getExtensionGnssPowerIndication(&iGnssPowerIndication);
-    if (!status.isOk()) {
-        ALOGE("Failed to getExtensionGnssPowerIndication.");
-    } else {
-        mGnssPowerIndicationAidl = iGnss->mGnssPowerIndication;
-    }
-};
-
-hidl_vec<GnssSvInfo> GnssHidlHal::filterBlocklistedSatellitesV2_1(
-        hidl_vec<GnssSvInfo> gnssSvInfoList) {
-    if (mGnssConfigurationAidl == nullptr) {
-        ALOGE("Handle to AIDL GnssConfiguration is not available.");
-        return gnssSvInfoList;
-    }
-    for (uint32_t i = 0; i < gnssSvInfoList.size(); i++) {
-        if (mGnssConfigurationAidl->isBlocklistedV2_1(gnssSvInfoList[i])) {
-            ALOGD("Blocklisted constellation: %d, svid: %d",
-                  (int)gnssSvInfoList[i].v2_0.constellation, gnssSvInfoList[i].v2_0.v1_0.svid);
-            gnssSvInfoList[i].v2_0.v1_0.svFlag &= ~static_cast<uint8_t>(
-                    ::android::hardware::gnss::V1_0::IGnssCallback::GnssSvFlags::USED_IN_FIX);
-        }
-    }
-    return gnssSvInfoList;
-}
-
-void GnssHidlHal::notePowerConsumption() {
-    mGnssPowerIndicationAidl->notePowerConsumption();
-}
-
-}  // namespace aidl::android::hardware::gnss
diff --git a/gnss/aidl/default/GnssHidlHal.h b/gnss/aidl/default/GnssHidlHal.h
deleted file mode 100644
index 5fb4f97..0000000
--- a/gnss/aidl/default/GnssHidlHal.h
+++ /dev/null
@@ -1,42 +0,0 @@
-/*
- * Copyright (C) 2020 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.
- */
-
-#pragma once
-
-#include "Gnss.h"
-#include "GnssConfiguration.h"
-#include "v2_1/GnssTemplate.h"
-
-namespace aidl::android::hardware::gnss {
-
-class GnssHidlHal : public ::android::hardware::gnss::common::implementation::GnssTemplate<
-                            ::android::hardware::gnss::V2_1::IGnss> {
-  public:
-    GnssHidlHal(const std::shared_ptr<Gnss>& gnssAidl);
-
-  private:
-    hidl_vec<::android::hardware::gnss::V2_1::IGnssCallback::GnssSvInfo>
-    filterBlocklistedSatellitesV2_1(
-            hidl_vec<::android::hardware::gnss::V2_1::IGnssCallback::GnssSvInfo> gnssSvInfoList)
-            override;
-    void notePowerConsumption() override;
-
-    std::shared_ptr<Gnss> mGnssAidl;
-    std::shared_ptr<GnssConfiguration> mGnssConfigurationAidl;
-    std::shared_ptr<GnssPowerIndication> mGnssPowerIndicationAidl;
-};
-
-}  // namespace aidl::android::hardware::gnss
diff --git a/gnss/aidl/default/gnss@2.1-service.xml b/gnss/aidl/default/gnss@2.1-service.xml
deleted file mode 100644
index 12a1fdf..0000000
--- a/gnss/aidl/default/gnss@2.1-service.xml
+++ /dev/null
@@ -1,12 +0,0 @@
-<manifest version="1.0" type="device">
-    <hal format="hidl">
-        <name>android.hardware.gnss</name>
-        <transport>hwbinder</transport>
-        <version>2.1</version>
-        <version>1.1</version>
-        <interface>
-            <name>IGnss</name>
-            <instance>default</instance>
-        </interface>
-    </hal>
-</manifest>
diff --git a/gnss/aidl/default/service.cpp b/gnss/aidl/default/service.cpp
index bbe34f1..162532b 100644
--- a/gnss/aidl/default/service.cpp
+++ b/gnss/aidl/default/service.cpp
@@ -24,15 +24,12 @@
 #include <log/log.h>
 #include <pthread.h>
 #include "Gnss.h"
-#include "GnssHidlHal.h"
 
 using aidl::android::hardware::gnss::Gnss;
-using aidl::android::hardware::gnss::GnssHidlHal;
 using ::android::OK;
 using ::android::sp;
 using ::android::hardware::configureRpcThreadpool;
 using ::android::hardware::joinRpcThreadpool;
-using ::android::hardware::gnss::V2_1::IGnss;
 
 int main() {
     ABinderProcess_setThreadPoolMaxThreadCount(1);
@@ -44,14 +41,6 @@
             AServiceManager_addService(gnssAidl->asBinder().get(), instance.c_str());
     CHECK_EQ(status, STATUS_OK);
 
-    sp<IGnss> gnss = new GnssHidlHal(gnssAidl);
-    configureRpcThreadpool(1, true /* will join */);
-    if (gnss->registerAsService() != OK) {
-        ALOGE("Could not register gnss 2.1 service.");
-        return 0;
-    }
-
-    joinRpcThreadpool();
     ABinderProcess_joinThreadPool();
 
     return EXIT_FAILURE;  // should not reach