diff --git a/media/libeffects/preprocessing/Android.bp b/media/libeffects/preprocessing/Android.bp
new file mode 100644
index 0000000..c87635f
--- /dev/null
+++ b/media/libeffects/preprocessing/Android.bp
@@ -0,0 +1,35 @@
+// audio preprocessing wrapper
+cc_library_shared {
+    name: "libaudiopreprocessing",
+
+    vendor: true,
+
+    relative_install_path: "soundfx",
+
+    srcs: ["PreProcessing.cpp"],
+
+    include_dirs: [
+        "external/webrtc",
+        "external/webrtc/webrtc/modules/include",
+        "external/webrtc/webrtc/modules/audio_processing/include",
+    ],
+
+    shared_libs: [
+        "libwebrtc_audio_preprocessing",
+        "libspeexresampler",
+        "libutils",
+        "liblog",
+    ],
+
+    cflags: [
+        "-DWEBRTC_POSIX",
+        "-fvisibility=hidden",
+        "-Wall",
+        "-Werror",
+    ],
+
+    header_libs: [
+        "libaudioeffects",
+        "libhardware_headers",
+    ],
+}
diff --git a/media/libeffects/preprocessing/Android.mk b/media/libeffects/preprocessing/Android.mk
deleted file mode 100644
index 358da8b..0000000
--- a/media/libeffects/preprocessing/Android.mk
+++ /dev/null
@@ -1,36 +0,0 @@
-LOCAL_PATH:= $(call my-dir)
-
-# audio preprocessing wrapper
-include $(CLEAR_VARS)
-
-LOCAL_VENDOR_MODULE := true
-LOCAL_MODULE:= libaudiopreprocessing
-LOCAL_MODULE_TAGS := optional
-LOCAL_MODULE_RELATIVE_PATH := soundfx
-
-LOCAL_VENDOR_MODULE := true
-LOCAL_SRC_FILES:= \
-    PreProcessing.cpp
-
-LOCAL_C_INCLUDES += \
-    external/webrtc \
-    external/webrtc/webrtc/modules/include \
-    external/webrtc/webrtc/modules/audio_processing/include \
-    $(call include-path-for, audio-effects)
-
-LOCAL_SHARED_LIBRARIES := \
-    libwebrtc_audio_preprocessing \
-    libspeexresampler \
-    libutils \
-    liblog
-
-LOCAL_SHARED_LIBRARIES += libdl
-
-LOCAL_CFLAGS += \
-    -DWEBRTC_POSIX
-
-LOCAL_CFLAGS += -fvisibility=hidden
-LOCAL_CFLAGS += -Wall -Werror
-
-LOCAL_HEADER_LIBRARIES += libhardware_headers
-include $(BUILD_SHARED_LIBRARY)