diff --git a/packages/SystemUI/src/com/android/systemui/stylus/StylusManager.kt b/packages/SystemUI/src/com/android/systemui/stylus/StylusManager.kt
index 030c54fbd87d9..9952cfd4e85bb 100644
--- a/packages/SystemUI/src/com/android/systemui/stylus/StylusManager.kt
+++ b/packages/SystemUI/src/com/android/systemui/stylus/StylusManager.kt
@@ -62,8 +62,6 @@ constructor(
     BluetoothAdapter.OnMetadataChangedListener {
 
     private val stylusCallbacks: CopyOnWriteArrayList<StylusCallback> = CopyOnWriteArrayList()
-    private val stylusBatteryCallbacks: CopyOnWriteArrayList<StylusBatteryCallback> =
-        CopyOnWriteArrayList()
 
     // This map should only be accessed on the handler
     private val inputDeviceAddressMap: MutableMap<Int, String?> = ArrayMap()
@@ -106,14 +104,6 @@ constructor(
         stylusCallbacks.remove(callback)
     }
 
-    fun registerBatteryCallback(callback: StylusBatteryCallback) {
-        stylusBatteryCallbacks.add(callback)
-    }
-
-    fun unregisterBatteryCallback(callback: StylusBatteryCallback) {
-        stylusBatteryCallbacks.remove(callback)
-    }
-
     override fun onInputDeviceAdded(deviceId: Int) {
         if (!hasStarted) return
 
@@ -195,7 +185,7 @@ constructor(
                     "${device.address}: $isCharging"
             }
 
-            executeStylusBatteryCallbacks { cb ->
+            executeStylusCallbacks { cb ->
                 cb.onStylusBluetoothChargingStateChanged(inputDeviceId, device, isCharging)
             }
         }
@@ -221,7 +211,7 @@ constructor(
                 onStylusUsed()
             }
 
-            executeStylusBatteryCallbacks { cb ->
+            executeStylusCallbacks { cb ->
                 cb.onStylusUsiBatteryStateChanged(deviceId, eventTimeMillis, batteryState)
             }
         }
@@ -329,10 +319,6 @@ constructor(
         stylusCallbacks.forEach(run)
     }
 
-    private fun executeStylusBatteryCallbacks(run: (cb: StylusBatteryCallback) -> Unit) {
-        stylusBatteryCallbacks.forEach(run)
-    }
-
     private fun registerBatteryListener(deviceId: Int) {
         try {
             inputManager.addInputDeviceBatteryListener(deviceId, executor, this)
@@ -378,13 +364,6 @@ constructor(
         fun onStylusBluetoothConnected(deviceId: Int, btAddress: String) {}
         fun onStylusBluetoothDisconnected(deviceId: Int, btAddress: String) {}
         fun onStylusFirstUsed() {}
-    }
-
-    /**
-     * Callback interface to receive stylus battery events from the StylusManager. All callbacks are
-     * runs on the same background handler.
-     */
-    interface StylusBatteryCallback {
         fun onStylusBluetoothChargingStateChanged(
             inputDeviceId: Int,
             btDevice: BluetoothDevice,
diff --git a/packages/SystemUI/src/com/android/systemui/stylus/StylusUsiPowerStartable.kt b/packages/SystemUI/src/com/android/systemui/stylus/StylusUsiPowerStartable.kt
index 27cafb10c07df..3667392b515e0 100644
--- a/packages/SystemUI/src/com/android/systemui/stylus/StylusUsiPowerStartable.kt
+++ b/packages/SystemUI/src/com/android/systemui/stylus/StylusUsiPowerStartable.kt
@@ -37,7 +37,7 @@ constructor(
     private val inputManager: InputManager,
     private val stylusUsiPowerUi: StylusUsiPowerUI,
     private val featureFlags: FeatureFlags,
-) : CoreStartable, StylusManager.StylusCallback, StylusManager.StylusBatteryCallback {
+) : CoreStartable, StylusManager.StylusCallback {
 
     override fun onStylusAdded(deviceId: Int) {
         // On some devices, the addition of a new internal stylus indicates the use of a
@@ -74,7 +74,6 @@ constructor(
 
         stylusUsiPowerUi.init()
         stylusManager.registerCallback(this)
-        stylusManager.registerBatteryCallback(this)
         stylusManager.startListener()
     }
 
diff --git a/packages/SystemUI/tests/src/com/android/systemui/stylus/StylusManagerTest.kt b/packages/SystemUI/tests/src/com/android/systemui/stylus/StylusManagerTest.kt
index f8bf4b91e11aa..4525ad27b7492 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/stylus/StylusManagerTest.kt
+++ b/packages/SystemUI/tests/src/com/android/systemui/stylus/StylusManagerTest.kt
@@ -65,8 +65,6 @@ class StylusManagerTest : SysuiTestCase() {
     @Mock lateinit var uiEventLogger: UiEventLogger
     @Mock lateinit var stylusCallback: StylusManager.StylusCallback
     @Mock lateinit var otherStylusCallback: StylusManager.StylusCallback
-    @Mock lateinit var stylusBatteryCallback: StylusManager.StylusBatteryCallback
-    @Mock lateinit var otherStylusBatteryCallback: StylusManager.StylusBatteryCallback
 
     private lateinit var mockitoSession: StaticMockitoSession
     private lateinit var stylusManager: StylusManager
@@ -123,7 +121,6 @@ class StylusManagerTest : SysuiTestCase() {
 
         stylusManager.startListener()
         stylusManager.registerCallback(stylusCallback)
-        stylusManager.registerBatteryCallback(stylusBatteryCallback)
         clearInvocations(inputManager)
     }
 
@@ -433,23 +430,6 @@ class StylusManagerTest : SysuiTestCase() {
             .logWithInstanceId(StylusUiEvent.BLUETOOTH_STYLUS_DISCONNECTED, 0, null, instanceId)
     }
 
-    @Test
-    fun onMetadataChanged_multipleRegisteredBatteryCallbacks_executesAll() {
-        stylusManager.onInputDeviceAdded(BT_STYLUS_DEVICE_ID)
-        stylusManager.registerBatteryCallback(otherStylusBatteryCallback)
-
-        stylusManager.onMetadataChanged(
-            bluetoothDevice,
-            BluetoothDevice.METADATA_MAIN_CHARGING,
-            "true".toByteArray()
-        )
-
-        verify(stylusBatteryCallback, times(1))
-            .onStylusBluetoothChargingStateChanged(BT_STYLUS_DEVICE_ID, bluetoothDevice, true)
-        verify(otherStylusBatteryCallback, times(1))
-            .onStylusBluetoothChargingStateChanged(BT_STYLUS_DEVICE_ID, bluetoothDevice, true)
-    }
-
     @Test
     fun onMetadataChanged_chargingStateTrue_executesBatteryCallbacks() {
         stylusManager.onInputDeviceAdded(BT_STYLUS_DEVICE_ID)
@@ -460,7 +440,7 @@ class StylusManagerTest : SysuiTestCase() {
             "true".toByteArray()
         )
 
-        verify(stylusBatteryCallback, times(1))
+        verify(stylusCallback, times(1))
             .onStylusBluetoothChargingStateChanged(BT_STYLUS_DEVICE_ID, bluetoothDevice, true)
     }
 
@@ -474,7 +454,7 @@ class StylusManagerTest : SysuiTestCase() {
             "false".toByteArray()
         )
 
-        verify(stylusBatteryCallback, times(1))
+        verify(stylusCallback, times(1))
             .onStylusBluetoothChargingStateChanged(BT_STYLUS_DEVICE_ID, bluetoothDevice, false)
     }
 
@@ -486,7 +466,7 @@ class StylusManagerTest : SysuiTestCase() {
             "true".toByteArray()
         )
 
-        verifyNoMoreInteractions(stylusBatteryCallback)
+        verifyNoMoreInteractions(stylusCallback)
     }
 
     @Test
@@ -499,8 +479,7 @@ class StylusManagerTest : SysuiTestCase() {
             "true".toByteArray()
         )
 
-        verify(stylusBatteryCallback, never())
-            .onStylusBluetoothChargingStateChanged(any(), any(), any())
+        verify(stylusCallback, never()).onStylusBluetoothChargingStateChanged(any(), any(), any())
     }
 
     @Test
@@ -614,7 +593,7 @@ class StylusManagerTest : SysuiTestCase() {
     fun onBatteryStateChanged_executesBatteryCallbacks() {
         stylusManager.onBatteryStateChanged(STYLUS_DEVICE_ID, 1, batteryState)
 
-        verify(stylusBatteryCallback, times(1))
+        verify(stylusCallback, times(1))
             .onStylusUsiBatteryStateChanged(STYLUS_DEVICE_ID, 1, batteryState)
     }
 
diff --git a/packages/SystemUI/tests/src/com/android/systemui/stylus/StylusUsiPowerStartableTest.kt b/packages/SystemUI/tests/src/com/android/systemui/stylus/StylusUsiPowerStartableTest.kt
index 82b80f53d6b08..3db0ecc4e8df7 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/stylus/StylusUsiPowerStartableTest.kt
+++ b/packages/SystemUI/tests/src/com/android/systemui/stylus/StylusUsiPowerStartableTest.kt
@@ -96,7 +96,6 @@ class StylusUsiPowerStartableTest : SysuiTestCase() {
         startable.start()
 
         verify(stylusManager, times(1)).registerCallback(startable)
-        verify(stylusManager, times(1)).registerBatteryCallback(startable)
     }
 
     @Test