diff --git a/device-specific/Android.bp b/device-specific/Android.bp
new file mode 100644
index 0000000..cbdc598
--- /dev/null
+++ b/device-specific/Android.bp
@@ -0,0 +1,7 @@
+prebuilt_rfsa {
+    name: "testsig-0x7b401d7c",
+    owner: "nubia",
+    srcs: ["TP1803/testsig-0x7b401d7c.so"],
+    relative_install_path: "adsp",
+    soc_specific: true,
+}
diff --git a/device-specific/Android.mk b/device-specific/Android.mk
deleted file mode 100644
index 68505cc..0000000
--- a/device-specific/Android.mk
+++ /dev/null
@@ -1,16 +0,0 @@
-LOCAL_PATH := $(call my-dir)
-
-ifneq ($(filter TP1803,$(TARGET_DEVICE)),)
-
-include $(CLEAR_VARS)
-LOCAL_MODULE := testsig-0x7b401d7c
-LOCAL_MODULE_OWNER := nubia
-LOCAL_SRC_FILES := TP1803/testsig-0x7b401d7c.so
-LOCAL_MODULE_CLASS := SHARED_LIBRARIES
-LOCAL_MODULE_TAGS := optional
-LOCAL_MODULE_PATH := $(TARGET_OUT_VENDOR)/lib/rfsa/adsp
-LOCAL_MODULE_SUFFIX := .so
-LOCAL_VENDOR_MODULE := true
-include $(BUILD_PREBUILT)
-
-endif