diff --git a/interfaces/goodix/hardware/biometrics/fingerprint/2.1/Android.bp b/interfaces/goodix/hardware/biometrics/fingerprint/2.1/Android.bp
index 0108d7b..86841c4 100644
--- a/interfaces/goodix/hardware/biometrics/fingerprint/2.1/Android.bp
+++ b/interfaces/goodix/hardware/biometrics/fingerprint/2.1/Android.bp
@@ -3,6 +3,7 @@
 hidl_interface {
     name: "vendor.goodix.hardware.biometrics.fingerprint@2.1",
     root: "vendor.goodix",
+    system_ext_specific: true,
     srcs: [
         "IGoodixFingerprintDaemon.hal",
         "IGoodixFingerprintDaemonCallback.hal",
@@ -10,4 +11,5 @@ hidl_interface {
     interfaces: [
         "android.hidl.base@1.0",
     ],
+    gen_java: true,
 }
diff --git a/interfaces/xiaomi/hardware/displayfeature/1.0/Android.bp b/interfaces/xiaomi/hardware/displayfeature/1.0/Android.bp
index 5e6aacd..7ba68f3 100644
--- a/interfaces/xiaomi/hardware/displayfeature/1.0/Android.bp
+++ b/interfaces/xiaomi/hardware/displayfeature/1.0/Android.bp
@@ -3,6 +3,7 @@
 hidl_interface {
     name: "vendor.xiaomi.hardware.displayfeature@1.0",
     root: "vendor.xiaomi",
+    system_ext_specific: true,
     srcs: [
         "IDisplayFeature.hal",
     ],
diff --git a/interfaces/xiaomi/hardware/fingerprintextension/1.0/Android.bp b/interfaces/xiaomi/hardware/fingerprintextension/1.0/Android.bp
index e73453a..cc250df 100644
--- a/interfaces/xiaomi/hardware/fingerprintextension/1.0/Android.bp
+++ b/interfaces/xiaomi/hardware/fingerprintextension/1.0/Android.bp
@@ -3,6 +3,7 @@
 hidl_interface {
     name: "vendor.xiaomi.hardware.fingerprintextension@1.0",
     root: "vendor.xiaomi",
+    system_ext_specific: true,
     srcs: [
         "IXiaomiFingerprint.hal",
     ],
diff --git a/interfaces/xiaomi/hardware/motor/1.0/Android.bp b/interfaces/xiaomi/hardware/motor/1.0/Android.bp
index c75eeb6..88c8eb2 100644
--- a/interfaces/xiaomi/hardware/motor/1.0/Android.bp
+++ b/interfaces/xiaomi/hardware/motor/1.0/Android.bp
@@ -3,6 +3,7 @@
 hidl_interface {
     name: "vendor.xiaomi.hardware.motor@1.0",
     root: "vendor.xiaomi",
+    system_ext_specific: true,
     srcs: [
         "types.hal",
         "IMotor.hal",
@@ -11,8 +12,5 @@ hidl_interface {
     interfaces: [
         "android.hidl.base@1.0",
     ],
-    types: [
-        "MotorEvent",
-    ],
     gen_java: true,
 }
diff --git a/interfaces/xiaomi/hardware/touchfeature/1.0/Android.bp b/interfaces/xiaomi/hardware/touchfeature/1.0/Android.bp
index f9cbee4..f0db33e 100644
--- a/interfaces/xiaomi/hardware/touchfeature/1.0/Android.bp
+++ b/interfaces/xiaomi/hardware/touchfeature/1.0/Android.bp
@@ -3,6 +3,7 @@
 hidl_interface {
     name: "vendor.xiaomi.hardware.touchfeature@1.0",
     root: "vendor.xiaomi",
+    system_ext_specific: true,
     srcs: [
         "ITouchFeature.hal",
     ],
@@ -11,4 +12,3 @@ hidl_interface {
     ],
     gen_java: true,
 }
-