diff --git a/services/tests/servicestests/src/com/android/server/statusbar/StatusBarManagerServiceTest.java b/services/tests/servicestests/src/com/android/server/statusbar/StatusBarManagerServiceTest.java
index 1442f1c82d42f..ad8d87a7c2c03 100644
--- a/services/tests/servicestests/src/com/android/server/statusbar/StatusBarManagerServiceTest.java
+++ b/services/tests/servicestests/src/com/android/server/statusbar/StatusBarManagerServiceTest.java
@@ -607,22 +607,11 @@ public class StatusBarManagerServiceTest {
     public void testSetNavBarMode_invalidInputThrowsError() throws RemoteException {
         int navBarModeInvalid = -1;
 
-        assertThrows(UnsupportedOperationException.class,
+        assertThrows(IllegalArgumentException.class,
                 () -> mStatusBarManagerService.setNavBarMode(navBarModeInvalid));
         verify(mOverlayManager, never()).setEnabledExclusiveInCategory(anyString(), anyInt());
     }
 
-    @Test
-    public void testSetNavBarMode_noOverlayManagerDoesNotEnable() throws RemoteException {
-        mOverlayManager = null;
-        int navBarModeKids = StatusBarManager.NAV_BAR_MODE_KIDS;
-
-        mStatusBarManagerService.setNavBarMode(navBarModeKids);
-
-        assertEquals(navBarModeKids, mStatusBarManagerService.getNavBarMode());
-        verify(mOverlayManager, never()).setEnabledExclusiveInCategory(anyString(), anyInt());
-    }
-
     @Test
     public void testSetNavBarMode_noPackageDoesNotEnable() throws Exception {
         mContext.setMockPackageManager(mPackageManager);