diff --git a/packages/SystemUI/src/com/android/systemui/idle/IdleHostViewController.java b/packages/SystemUI/src/com/android/systemui/idle/IdleHostViewController.java
index 97d32c3db2f1e..192c4184a6eb8 100644
--- a/packages/SystemUI/src/com/android/systemui/idle/IdleHostViewController.java
+++ b/packages/SystemUI/src/com/android/systemui/idle/IdleHostViewController.java
@@ -39,6 +39,7 @@ import com.android.systemui.R;
 import com.android.systemui.broadcast.BroadcastDispatcher;
 import com.android.systemui.dagger.qualifiers.Main;
 import com.android.systemui.plugins.statusbar.StatusBarStateController;
+import com.android.systemui.shared.system.InputChannelCompat;
 import com.android.systemui.shared.system.InputMonitorCompat;
 import com.android.systemui.statusbar.policy.KeyguardStateController;
 import com.android.systemui.util.ViewController;
@@ -139,6 +140,9 @@ public class IdleHostViewController extends ViewController<IdleHostView> impleme
     // Monitor for tracking touches for activity.
     private InputMonitorCompat mInputMonitor;
 
+    // Input receiver of touch activities.
+    private InputChannelCompat.InputEventReceiver mInputEventReceiver;
+
     // Intent filter for receiving dream broadcasts.
     private IntentFilter mDreamIntentFilter;
 
@@ -335,7 +339,7 @@ public class IdleHostViewController extends ViewController<IdleHostView> impleme
     }
 
     private void enableIdleMonitoring(boolean enable) {
-        if (enable && mInputMonitor == null) {
+        if (enable && mInputMonitor == null && mInputEventReceiver == null) {
             if (DEBUG) {
                 Log.d(TAG, "enable idle monitoring");
             }
@@ -345,7 +349,7 @@ public class IdleHostViewController extends ViewController<IdleHostView> impleme
 
             // Monitor - any input should reset timer
             mInputMonitor = mInputMonitorFactory.getInputMonitor(INPUT_MONITOR_IDENTIFIER);
-            mInputMonitor.getInputReceiver(mLooper, mChoreographer,
+            mInputEventReceiver = mInputMonitor.getInputReceiver(mLooper, mChoreographer,
                     v -> {
                         if (DEBUG) {
                             Log.d(TAG, "touch detected, resetting timeout");
@@ -358,7 +362,7 @@ public class IdleHostViewController extends ViewController<IdleHostView> impleme
                         mCancelEnableIdling = mDelayableExecutor.executeDelayed(
                                 mEnableIdlingCallback, mIdleTimeout);
                     });
-        } else if (!enable && mInputMonitor != null) {
+        } else if (!enable && mInputMonitor != null && mInputEventReceiver != null) {
             if (DEBUG) {
                 Log.d(TAG, "disable idle monitoring");
             }
@@ -368,7 +372,9 @@ public class IdleHostViewController extends ViewController<IdleHostView> impleme
                 mCancelEnableIdling = null;
             }
 
+            mInputEventReceiver.dispose();
             mInputMonitor.dispose();
+            mInputEventReceiver = null;
             mInputMonitor = null;
         }
     }
diff --git a/packages/SystemUI/tests/src/com/android/systemui/idle/IdleHostViewControllerTest.java b/packages/SystemUI/tests/src/com/android/systemui/idle/IdleHostViewControllerTest.java
index 664072f5967da..a685e20a3c858 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/idle/IdleHostViewControllerTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/idle/IdleHostViewControllerTest.java
@@ -42,6 +42,7 @@ import com.android.systemui.R;
 import com.android.systemui.SysuiTestCase;
 import com.android.systemui.broadcast.BroadcastDispatcher;
 import com.android.systemui.plugins.statusbar.StatusBarStateController;
+import com.android.systemui.shared.system.InputChannelCompat;
 import com.android.systemui.shared.system.InputMonitorCompat;
 import com.android.systemui.statusbar.policy.KeyguardStateController;
 import com.android.systemui.util.concurrency.DelayableExecutor;
@@ -76,6 +77,7 @@ public class IdleHostViewControllerTest extends SysuiTestCase {
     @Mock private Sensor mSensor;
     @Mock private DreamHelper mDreamHelper;
     @Mock private InputMonitorCompat mInputMonitor;
+    @Mock private InputChannelCompat.InputEventReceiver mInputEventReceiver;
 
     private final long mTimestamp = Instant.now().toEpochMilli();
     private KeyguardStateController.Callback mKeyguardStateCallback;
@@ -91,6 +93,7 @@ public class IdleHostViewControllerTest extends SysuiTestCase {
         when(mSensorManager.getDefaultSensor(Sensor.TYPE_LIGHT)).thenReturn(mSensor);
         when(mInputMonitorFactory.getInputMonitor("IdleHostViewController"))
                 .thenReturn(mInputMonitor);
+        when(mInputMonitor.getInputReceiver(any(), any(), any())).thenReturn(mInputEventReceiver);
 
         mController = new IdleHostViewController(mContext,
                 mBroadcastDispatcher, mPowerManager, mSensorManager, mIdleHostView,
@@ -231,4 +234,21 @@ public class IdleHostViewControllerTest extends SysuiTestCase {
         // Verifies it goes to sleep.
         verify(mPowerManager).goToSleep(anyLong(), anyInt(), anyInt());
     }
+
+    @Test
+    public void testInputEventReceiverLifecycle() {
+        // Keyguard showing.
+        when(mKeyguardStateController.isShowing()).thenReturn(true);
+        mKeyguardStateCallback.onKeyguardShowingChanged();
+
+        // Should register input event receiver.
+        verify(mInputMonitor).getInputReceiver(any(), any(), any());
+
+        // Keyguard dismissed.
+        when(mKeyguardStateController.isShowing()).thenReturn(false);
+        mKeyguardStateCallback.onKeyguardShowingChanged();
+
+        // Should dispose input event receiver.
+        verify(mInputEventReceiver).dispose();
+    }
 }