diff --git a/fingerprint/interfaces/4.0/Android.bp b/fingerprint/interfaces/4.0/Android.bp
new file mode 100644
index 0000000..b0fcd32
--- /dev/null
+++ b/fingerprint/interfaces/4.0/Android.bp
@@ -0,0 +1,15 @@
+// This file is autogenerated by hidl-gen -Landroidbp.
+
+hidl_interface {
+    name: "vendor.egistec.hardware.fingerprint@4.0",
+    root: "vendor.egistec.hardware.fingerprint",
+    system_ext_specific: true,
+    srcs: [
+        "IBiometricsFingerprintRbs.hal",
+        "IBiometricsFingerprintRbsCallback.hal",
+    ],
+    interfaces: [
+        "android.hidl.base@1.0",
+    ],
+    gen_java: true,
+}
diff --git a/fingerprint/interfaces/4.0/IBiometricsFingerprintRbs.hal b/fingerprint/interfaces/4.0/IBiometricsFingerprintRbs.hal
new file mode 100644
index 0000000..41f5671
--- /dev/null
+++ b/fingerprint/interfaces/4.0/IBiometricsFingerprintRbs.hal
@@ -0,0 +1,14 @@
+/*
+ * SPDX-FileCopyrightText: The LineageOS Project
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+package vendor.egistec.hardware.fingerprint@4.0;
+
+import vendor.egistec.hardware.fingerprint@4.0::IBiometricsFingerprintRbsCallback;
+
+interface IBiometricsFingerprintRbs {
+    extra_api(int32_t pid, vec<uint8_t> in_buffer) generates (vec<uint8_t> out_buffer);
+    set_on_callback_proc(IBiometricsFingerprintRbsCallback clientCallback) generates (int32_t ret);
+    cancel() generates (int32_t ret);
+};
diff --git a/fingerprint/interfaces/4.0/IBiometricsFingerprintRbsCallback.hal b/fingerprint/interfaces/4.0/IBiometricsFingerprintRbsCallback.hal
new file mode 100644
index 0000000..4961114
--- /dev/null
+++ b/fingerprint/interfaces/4.0/IBiometricsFingerprintRbsCallback.hal
@@ -0,0 +1,10 @@
+/*
+ * SPDX-FileCopyrightText: The LineageOS Project
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+package vendor.egistec.hardware.fingerprint@4.0;
+
+interface IBiometricsFingerprintRbsCallback {
+    oneway ipc_callback(int32_t event_id, int32_t value1, int32_t value2, vec<uint8_t> buffer, int32_t buffer_size);
+};
diff --git a/fingerprint/interfaces/Android.bp b/fingerprint/interfaces/Android.bp
new file mode 100644
index 0000000..ba75849
--- /dev/null
+++ b/fingerprint/interfaces/Android.bp
@@ -0,0 +1,9 @@
+//
+// SPDX-FileCopyrightText: The LineageOS Project
+// SPDX-License-Identifier: Apache-2.0
+//
+
+hidl_package_root {
+    name: "vendor.egistec.hardware.fingerprint",
+    path: "device/motorola/bangkk/fingerprint/interfaces",
+}
diff --git a/proprietary-files.txt b/proprietary-files.txt
index f3becba..a51287a 100644
--- a/proprietary-files.txt
+++ b/proprietary-files.txt
@@ -238,7 +238,6 @@ vendor/bin/hw/android.hardware.biometrics.fingerprint@2.1-service-ets
 vendor/etc/init/android.hardware.biometrics.fingerprint@2.1-service-ets.rc
 vendor/lib64/libRbsFlow.so
 vendor/lib64/libets_teeclient_v3.so
-vendor/lib64/vendor.egistec.hardware.fingerprint@4.0.so
 vendor/usr/keylayout/fts_ts.kl
 vendor/usr/keylayout/goodix_ts.kl