diff --git a/BoardConfigCommon.mk b/BoardConfigCommon.mk
index 70a3da3..82eaefe 100644
--- a/BoardConfigCommon.mk
+++ b/BoardConfigCommon.mk
@@ -60,7 +60,6 @@ TARGET_FS_CONFIG_GEN := $(COMMON_PATH)/configs/config.fs
 
 # GPS
 BOARD_VENDOR_QCOM_GPS_LOC_API_HARDWARE := default
-LOC_HIDL_VERSION := 4.0
 
 # HIDL
 DEVICE_FRAMEWORK_COMPATIBILITY_MATRIX_FILE := \
diff --git a/gps/Android.bp b/gps/Android.bp
index fb78f04..395136c 100644
--- a/gps/Android.bp
+++ b/gps/Android.bp
@@ -2,19 +2,3 @@ GNSS_CFLAGS = [
     "-Werror",
     "-Wno-undefined-bool-conversion",
 ]
-
-/* Activate the following for debug purposes only,
-   comment out for production */
-GNSS_SANITIZE_DIAG = {
-/*
-    diag: {
-        cfi: true,
-        misc_undefined: [
-            "bounds",
-            "null",
-            "unreachable",
-            "integer",
-        ],
-    },
-*/
-}
diff --git a/gps/Android.mk b/gps/Android.mk
deleted file mode 100644
index ad813f3..0000000
--- a/gps/Android.mk
+++ /dev/null
@@ -1,13 +0,0 @@
-ifneq ($(BOARD_VENDOR_QCOM_GPS_LOC_API_HARDWARE),)
-
-# Set required flags
-GNSS_CFLAGS := \
-    -Werror \
-    -Wno-undefined-bool-conversion
-
-LOCAL_PATH := $(call my-dir)
-include $(call all-makefiles-under,$(LOCAL_PATH))
-
-GNSS_SANITIZE_DIAG := cfi bounds null unreachable integer address
-
-endif # ifneq ($(BOARD_VENDOR_QCOM_GPS_LOC_API_HARDWARE),)
diff --git a/gps/android/2.1/Android.bp b/gps/android/2.1/Android.bp
new file mode 100644
index 0000000..33a6db6
--- /dev/null
+++ b/gps/android/2.1/Android.bp
@@ -0,0 +1,96 @@
+cc_library_shared {
+    name: "android.hardware.gnss@2.1-impl-qti",
+    vendor: true,
+    relative_install_path: "hw",
+    srcs: [
+        "AGnss.cpp",
+        "Gnss.cpp",
+        "AGnssRil.cpp",
+        "GnssMeasurement.cpp",
+        "GnssConfiguration.cpp",
+        "GnssBatching.cpp",
+        "GnssGeofencing.cpp",
+        "GnssNi.cpp",
+        "GnssDebug.cpp",
+        "GnssAntennaInfo.cpp",
+        "MeasurementCorrections.cpp",
+        "GnssVisibilityControl.cpp",
+    ] + [
+        "location_api/GnssAPIClient.cpp",
+        "location_api/MeasurementAPIClient.cpp",
+        "location_api/GeofenceAPIClient.cpp",
+        "location_api/BatchingAPIClient.cpp",
+        "location_api/LocationUtil.cpp",
+    ],
+
+    local_include_dirs: ["location_api"],
+
+    header_libs: [
+        "libgps.utils_headers",
+        "libloc_core_headers",
+        "libloc_pla_headers",
+        "liblocation_api_headers",
+        "liblocbatterylistener_headers",
+    ],
+
+    shared_libs: [
+        "liblog",
+        "libhidlbase",
+        "libcutils",
+        "libutils",
+        "android.hardware.gnss@1.0",
+        "android.hardware.gnss@1.1",
+        "android.hardware.gnss@2.0",
+        "android.hardware.gnss@2.1",
+        "android.hardware.gnss.measurement_corrections@1.0",
+        "android.hardware.gnss.measurement_corrections@1.1",
+        "android.hardware.gnss.visibility_control@1.0",
+        "android.hardware.health@1.0",
+        "android.hardware.health@2.0",
+        "android.hardware.health@2.1",
+        "android.hardware.power@1.2",
+        "libbase",
+    ] + [
+        "libloc_core",
+        "libgps.utils",
+        "libdl",
+        "liblocation_api",
+    ],
+
+    cflags: GNSS_CFLAGS,
+    static_libs: ["liblocbatterylistener"] + ["libhealthhalutils"],
+}
+
+cc_binary {
+    name: "android.hardware.gnss@2.1-service-qti",
+    vintf_fragments: ["android.hardware.gnss@2.1-service-qti.xml"],
+    vendor: true,
+    relative_install_path: "hw",
+    init_rc: ["android.hardware.gnss@2.1-service-qti.rc"],
+    srcs: ["service.cpp"],
+
+    header_libs: [
+        "libgps.utils_headers",
+        "libloc_core_headers",
+        "libloc_pla_headers",
+        "liblocation_api_headers",
+    ],
+
+    shared_libs: [
+        "liblog",
+        "libcutils",
+        "libdl",
+        "libbase",
+        "libutils",
+        "libgps.utils",
+        "libqti_vndfwk_detect",
+    ] + [
+        "libhidlbase",
+        "android.hardware.gnss@1.0",
+        "android.hardware.gnss@1.1",
+        "android.hardware.gnss@2.0",
+        "android.hardware.gnss@2.1",
+    ],
+
+    cflags: GNSS_CFLAGS + ["-DLOC_HIDL_VERSION=\"4.0\""],
+}
diff --git a/gps/android/2.1/Android.mk b/gps/android/2.1/Android.mk
deleted file mode 100644
index 4be97a9..0000000
--- a/gps/android/2.1/Android.mk
+++ /dev/null
@@ -1,115 +0,0 @@
-LOCAL_PATH := $(call my-dir)
-
-include $(CLEAR_VARS)
-LOCAL_MODULE := android.hardware.gnss@2.1-impl-qti
-# activate the following line for debug purposes only, comment out for production
-#LOCAL_SANITIZE_DIAG += $(GNSS_SANITIZE_DIAG)
-LOCAL_VENDOR_MODULE := true
-LOCAL_MODULE_RELATIVE_PATH := hw
-LOCAL_SRC_FILES := \
-    AGnss.cpp \
-    Gnss.cpp \
-    AGnssRil.cpp \
-    GnssMeasurement.cpp \
-    GnssConfiguration.cpp \
-    GnssBatching.cpp \
-    GnssGeofencing.cpp \
-    GnssNi.cpp \
-    GnssDebug.cpp \
-    GnssAntennaInfo.cpp \
-    MeasurementCorrections.cpp \
-    GnssVisibilityControl.cpp
-
-LOCAL_SRC_FILES += \
-    location_api/GnssAPIClient.cpp \
-    location_api/MeasurementAPIClient.cpp \
-    location_api/GeofenceAPIClient.cpp \
-    location_api/BatchingAPIClient.cpp \
-    location_api/LocationUtil.cpp \
-
-ifeq ($(GNSS_HIDL_LEGACY_MEASURMENTS),true)
-LOCAL_CFLAGS += \
-     -DGNSS_HIDL_LEGACY_MEASURMENTS
-endif
-
-LOCAL_C_INCLUDES:= \
-    $(LOCAL_PATH)/location_api
-
-LOCAL_HEADER_LIBRARIES := \
-    libgps.utils_headers \
-    libloc_core_headers \
-    libloc_pla_headers \
-    liblocation_api_headers \
-    liblocbatterylistener_headers
-
-LOCAL_SHARED_LIBRARIES := \
-    liblog \
-    libhidlbase \
-    libcutils \
-    libutils \
-    android.hardware.gnss@1.0 \
-    android.hardware.gnss@1.1 \
-    android.hardware.gnss@2.0 \
-    android.hardware.gnss@2.1 \
-    android.hardware.gnss.measurement_corrections@1.0 \
-    android.hardware.gnss.measurement_corrections@1.1 \
-    android.hardware.gnss.visibility_control@1.0 \
-    android.hardware.health@1.0 \
-    android.hardware.health@2.0 \
-    android.hardware.health@2.1 \
-    android.hardware.power@1.2 \
-    libbase
-
-LOCAL_SHARED_LIBRARIES += \
-    libloc_core \
-    libgps.utils \
-    libdl \
-    liblocation_api \
-
-LOCAL_CFLAGS += $(GNSS_CFLAGS)
-LOCAL_STATIC_LIBRARIES := liblocbatterylistener
-LOCAL_STATIC_LIBRARIES += libhealthhalutils
-include $(BUILD_SHARED_LIBRARY)
-
-include $(CLEAR_VARS)
-LOCAL_MODULE := android.hardware.gnss@2.1-service-qti
-
-# activate the following line for debug purposes only, comment out for production
-#LOCAL_SANITIZE_DIAG += $(GNSS_SANITIZE_DIAG)
-LOCAL_VINTF_FRAGMENTS := android.hardware.gnss@2.1-service-qti.xml
-LOCAL_VENDOR_MODULE := true
-LOCAL_MODULE_RELATIVE_PATH := hw
-LOCAL_INIT_RC := android.hardware.gnss@2.1-service-qti.rc
-LOCAL_SRC_FILES := \
-    service.cpp \
-
-LOCAL_HEADER_LIBRARIES := \
-    libgps.utils_headers \
-    libloc_core_headers \
-    libloc_pla_headers \
-    liblocation_api_headers
-
-
-LOCAL_SHARED_LIBRARIES := \
-    liblog \
-    libcutils \
-    libdl \
-    libbase \
-    libutils \
-    libgps.utils \
-    libqti_vndfwk_detect \
-
-LOCAL_SHARED_LIBRARIES += \
-    libhidlbase \
-    android.hardware.gnss@1.0 \
-    android.hardware.gnss@1.1 \
-    android.hardware.gnss@2.0 \
-    android.hardware.gnss@2.1 \
-
-LOCAL_CFLAGS += $(GNSS_CFLAGS)
-
-ifneq ($(LOC_HIDL_VERSION),)
-LOCAL_CFLAGS += -DLOC_HIDL_VERSION='"$(LOC_HIDL_VERSION)"'
-endif
-
-include $(BUILD_EXECUTABLE)
diff --git a/gps/android/Android.mk b/gps/android/Android.mk
deleted file mode 100644
index aa2f4b5..0000000
--- a/gps/android/Android.mk
+++ /dev/null
@@ -1,2 +0,0 @@
-LOCAL_PATH := $(call my-dir)
-include $(call all-subdir-makefiles)
diff --git a/gps/android/utils/Android.bp b/gps/android/utils/Android.bp
index 6a54249..d85e7db 100644
--- a/gps/android/utils/Android.bp
+++ b/gps/android/utils/Android.bp
@@ -31,5 +31,6 @@ cc_library_static {
 cc_library_headers {
 
     name: "liblocbatterylistener_headers",
+    vendor: true,
     export_include_dirs: ["."],
 }