diff --git a/core/java/android/bluetooth/BluetoothAdapter.java b/core/java/android/bluetooth/BluetoothAdapter.java
index 63221c5..331fd07 100644
--- a/core/java/android/bluetooth/BluetoothAdapter.java
+++ b/core/java/android/bluetooth/BluetoothAdapter.java
@@ -17,6 +17,8 @@
 
 package android.bluetooth;
 
+import static java.util.Objects.requireNonNull;
+
 import android.Manifest;
 import android.annotation.CallbackExecutor;
 import android.annotation.IntDef;
@@ -53,8 +55,6 @@
 import android.util.Log;
 import android.util.Pair;
 
-import com.android.internal.util.Preconditions;
-
 import java.io.IOException;
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
@@ -3091,8 +3091,8 @@
          */
         WrappedOobDataCallback(@NonNull OobDataCallback callback,
                 @NonNull @CallbackExecutor Executor executor) {
-            Preconditions.checkNotNull(callback);
-            Preconditions.checkNotNull(executor);
+            requireNonNull(callback);
+            requireNonNull(executor);
             mCallback = callback;
             mExecutor = executor;
         }
@@ -3158,7 +3158,7 @@
                 != BluetoothDevice.TRANSPORT_LE) {
             throw new IllegalArgumentException("Invalid transport '" + transport + "'!");
         }
-        Preconditions.checkNotNull(callback);
+        requireNonNull(callback);
         if (!isEnabled()) {
             Log.w(TAG, "generateLocalOobData(): Adapter isn't enabled!");
             callback.onError(OOB_ERROR_ADAPTER_DISABLED);
@@ -3293,7 +3293,7 @@
      * @hide
      */
     public static boolean isAddressRandomStatic(@NonNull String address) {
-        Preconditions.checkNotNull(address);
+        requireNonNull(address);
         return checkBluetoothAddress(address)
                 && (Integer.parseInt(address.split(":")[5], 16) & 0b11) == 0b11;
     }
diff --git a/core/java/android/bluetooth/OobData.java b/core/java/android/bluetooth/OobData.java
index 2dfa91d..4e5ede7 100644
--- a/core/java/android/bluetooth/OobData.java
+++ b/core/java/android/bluetooth/OobData.java
@@ -16,6 +16,8 @@
 
 package android.bluetooth;
 
+import static java.util.Objects.requireNonNull;
+
 import android.annotation.IntDef;
 import android.annotation.NonNull;
 import android.annotation.Nullable;
@@ -23,8 +25,6 @@
 import android.os.Parcel;
 import android.os.Parcelable;
 
-import com.android.internal.util.Preconditions;
-
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
 
@@ -214,7 +214,7 @@
         @NonNull
         @SystemApi
         public LeBuilder setDeviceName(@NonNull byte[] deviceName) {
-            Preconditions.checkNotNull(deviceName);
+            requireNonNull(deviceName);
             this.mDeviceName = deviceName;
             return this;
         }
@@ -308,8 +308,8 @@
         @SystemApi
         public LeBuilder(@NonNull byte[] confirmationHash, @NonNull byte[] deviceAddressWithType,
                 @LeRole int leDeviceRole) {
-            Preconditions.checkNotNull(confirmationHash);
-            Preconditions.checkNotNull(deviceAddressWithType);
+            requireNonNull(confirmationHash);
+            requireNonNull(deviceAddressWithType);
             if (confirmationHash.length != OobData.CONFIRMATION_OCTETS) {
                 throw new IllegalArgumentException("confirmationHash must be "
                     + OobData.CONFIRMATION_OCTETS + " octets in length.");
@@ -344,7 +344,7 @@
         @NonNull
         @SystemApi
         public LeBuilder setLeTemporaryKey(@NonNull byte[] leTemporaryKey) {
-            Preconditions.checkNotNull(leTemporaryKey);
+            requireNonNull(leTemporaryKey);
             if (leTemporaryKey.length != LE_TK_OCTETS) {
                 throw new IllegalArgumentException("leTemporaryKey must be "
                         + LE_TK_OCTETS + " octets in length.");
@@ -366,7 +366,7 @@
         @NonNull
         @SystemApi
         public LeBuilder setRandomizerHash(@NonNull byte[] randomizerHash) {
-            Preconditions.checkNotNull(randomizerHash);
+            requireNonNull(randomizerHash);
             if (randomizerHash.length != OobData.RANDOMIZER_OCTETS) {
                 throw new IllegalArgumentException("randomizerHash must be "
                     + OobData.RANDOMIZER_OCTETS + " octets in length.");
@@ -534,9 +534,9 @@
         @SystemApi
         public ClassicBuilder(@NonNull byte[] confirmationHash, @NonNull byte[] classicLength,
                 @NonNull byte[] deviceAddressWithType) {
-            Preconditions.checkNotNull(confirmationHash);
-            Preconditions.checkNotNull(classicLength);
-            Preconditions.checkNotNull(deviceAddressWithType);
+            requireNonNull(confirmationHash);
+            requireNonNull(classicLength);
+            requireNonNull(deviceAddressWithType);
             if (confirmationHash.length != OobData.CONFIRMATION_OCTETS) {
                 throw new IllegalArgumentException("confirmationHash must be "
                     + OobData.CONFIRMATION_OCTETS + " octets in length.");
@@ -567,7 +567,7 @@
         @NonNull
         @SystemApi
         public ClassicBuilder setRandomizerHash(@NonNull byte[] randomizerHash) {
-            Preconditions.checkNotNull(randomizerHash);
+            requireNonNull(randomizerHash);
             if (randomizerHash.length != OobData.RANDOMIZER_OCTETS) {
                 throw new IllegalArgumentException("randomizerHash must be "
                     + OobData.RANDOMIZER_OCTETS + " octets in length.");
@@ -592,7 +592,7 @@
         @NonNull
         @SystemApi
         public ClassicBuilder setDeviceName(@NonNull byte[] deviceName) {
-            Preconditions.checkNotNull(deviceName);
+            requireNonNull(deviceName);
             this.mDeviceName = deviceName;
             return this;
         }
@@ -617,7 +617,7 @@
         @NonNull
         @SystemApi
         public ClassicBuilder setClassOfDevice(@NonNull byte[] classOfDevice) {
-            Preconditions.checkNotNull(classOfDevice);
+            requireNonNull(classOfDevice);
             if (classOfDevice.length != OobData.CLASS_OF_DEVICE_OCTETS) {
                 throw new IllegalArgumentException("classOfDevice must be "
                         + OobData.CLASS_OF_DEVICE_OCTETS + " octets in length.");
diff --git a/core/java/android/bluetooth/le/ScanFilter.java b/core/java/android/bluetooth/le/ScanFilter.java
index a74c663..ddc93327 100644
--- a/core/java/android/bluetooth/le/ScanFilter.java
+++ b/core/java/android/bluetooth/le/ScanFilter.java
@@ -16,7 +16,8 @@
 
 package android.bluetooth.le;
 
-import android.annotation.IntDef;
+import static java.util.Objects.requireNonNull;
+
 import android.annotation.NonNull;
 import android.annotation.Nullable;
 import android.annotation.SystemApi;
@@ -28,7 +29,6 @@
 import android.os.Parcelable;
 
 import com.android.internal.util.BitUtils;
-import com.android.internal.util.Preconditions;
 
 import java.util.Arrays;
 import java.util.List;
@@ -647,7 +647,7 @@
         public Builder setDeviceAddress(@NonNull String deviceAddress,
                                         @AddressType int addressType,
                                         @NonNull byte[] irk) {
-            Preconditions.checkNotNull(irk);
+            requireNonNull(irk);
             if (irk.length != LEN_IRK_OCTETS) {
                 throw new IllegalArgumentException("'irk' is invalid length!");
             }
@@ -679,7 +679,7 @@
                                                  @Nullable byte[] irk) {
 
             // Make sure our deviceAddress is valid!
-            Preconditions.checkNotNull(deviceAddress);
+            requireNonNull(deviceAddress);
             if (!BluetoothAdapter.checkBluetoothAddress(deviceAddress)) {
                 throw new IllegalArgumentException("invalid device address " + deviceAddress);
             }