diff --git a/services/core/java/com/android/server/wm/DisplayPolicy.java b/services/core/java/com/android/server/wm/DisplayPolicy.java
index 7307d646446cd..5719f46855835 100644
--- a/services/core/java/com/android/server/wm/DisplayPolicy.java
+++ b/services/core/java/com/android/server/wm/DisplayPolicy.java
@@ -93,7 +93,6 @@ import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_LAYOUT;
 import static com.android.server.wm.WindowManagerDebugConfig.TAG_WITH_CLASS_NAME;
 import static com.android.server.wm.WindowManagerDebugConfig.TAG_WM;
 
-import android.Manifest.permission;
 import android.annotation.NonNull;
 import android.annotation.Nullable;
 import android.annotation.Px;
@@ -103,7 +102,6 @@ import android.app.LoadedApk;
 import android.app.ResourcesManager;
 import android.content.Context;
 import android.content.Intent;
-import android.content.pm.PackageManager;
 import android.content.res.Resources;
 import android.graphics.Insets;
 import android.graphics.PixelFormat;
@@ -843,11 +841,6 @@ public class DisplayPolicy {
         return true;
     }
 
-    private boolean hasStatusBarServicePermission(int pid, int uid) {
-        return mContext.checkPermission(permission.STATUS_BAR_SERVICE, pid, uid)
-                == PackageManager.PERMISSION_GRANTED;
-    }
-
     /**
      * Only trusted overlays are allowed to use FLAG_SLIPPERY.
      */
@@ -1098,9 +1091,10 @@ public class DisplayPolicy {
                 mNavigationBar = win;
                 mDisplayContent.setInsetProvider(ITYPE_NAVIGATION_BAR, win,
                         (displayFrames, windowState, inOutFrame) -> {
-                            inOutFrame.inset(windowState.getLayoutingAttrs(
-                                    displayFrames.mRotation).providedInternalInsets);
-
+                            if (!mNavButtonForcedVisible) {
+                                inOutFrame.inset(windowState.getLayoutingAttrs(
+                                        displayFrames.mRotation).providedInternalInsets);
+                            }
                         },
 
                         // For IME we use regular frame.
@@ -1799,7 +1793,6 @@ public class DisplayPolicy {
         final int upsideDownRotation = displayRotation.getUpsideDownRotation();
         final int landscapeRotation = displayRotation.getLandscapeRotation();
         final int seascapeRotation = displayRotation.getSeascapeRotation();
-        final int uiMode = mService.mPolicy.getUiMode();
 
         if (hasStatusBar()) {
             mStatusBarHeightForRotation[portraitRotation] =
@@ -2152,16 +2145,6 @@ public class DisplayPolicy {
         return mNavigationBarPosition;
     }
 
-    @WindowManagerPolicy.AltBarPosition
-    int getAlternateStatusBarPosition() {
-        return mStatusBarAltPosition;
-    }
-
-    @WindowManagerPolicy.AltBarPosition
-    int getAlternateNavBarPosition() {
-        return mNavigationBarAltPosition;
-    }
-
     /**
      * A new window has been focused.
      */
diff --git a/services/tests/wmtests/src/com/android/server/wm/DisplayPolicyLayoutTests.java b/services/tests/wmtests/src/com/android/server/wm/DisplayPolicyLayoutTests.java
index fcd9b3e39df90..af45b8057706e 100644
--- a/services/tests/wmtests/src/com/android/server/wm/DisplayPolicyLayoutTests.java
+++ b/services/tests/wmtests/src/com/android/server/wm/DisplayPolicyLayoutTests.java
@@ -34,13 +34,8 @@ import static android.view.WindowManager.LayoutParams.PRIVATE_FLAG_INSET_PARENT_
 import static android.view.WindowManager.LayoutParams.SOFT_INPUT_ADJUST_NOTHING;
 import static android.view.WindowManager.LayoutParams.TYPE_APPLICATION;
 import static android.view.WindowManager.LayoutParams.TYPE_APPLICATION_OVERLAY;
-import static android.view.WindowManager.LayoutParams.TYPE_NAVIGATION_BAR_PANEL;
 import static android.view.WindowManager.LayoutParams.TYPE_STATUS_BAR;
 import static android.view.WindowManager.LayoutParams.TYPE_STATUS_BAR_SUB_PANEL;
-import static android.view.WindowManagerPolicyConstants.ALT_BAR_BOTTOM;
-import static android.view.WindowManagerPolicyConstants.ALT_BAR_LEFT;
-import static android.view.WindowManagerPolicyConstants.ALT_BAR_RIGHT;
-import static android.view.WindowManagerPolicyConstants.ALT_BAR_TOP;
 
 import static com.android.dx.mockito.inline.extended.ExtendedMockito.doReturn;
 import static com.android.dx.mockito.inline.extended.ExtendedMockito.spyOn;
@@ -60,7 +55,6 @@ import android.platform.test.annotations.Presubmit;
 import android.util.Pair;
 import android.view.DisplayCutout;
 import android.view.DisplayInfo;
-import android.view.Gravity;
 import android.view.InsetsState;
 import android.view.InsetsVisibilities;
 import android.view.PrivacyIndicatorBounds;
@@ -237,47 +231,6 @@ public class DisplayPolicyLayoutTests extends DisplayPolicyTestsBase {
         expectThrows(IllegalArgumentException.class, () -> addWindow(win2));
     }
 
-    @Test
-    public void addingWindow_variousGravities_alternateBarPosUpdated() {
-        mDisplayPolicy.removeWindowLw(mNavBarWindow);  // Removes the existing one.
-
-        WindowState win1 = createWindow(null, TYPE_NAVIGATION_BAR_PANEL, "NavBarPanel1");
-        win1.mAttrs.providesInsetsTypes = new int[]{ITYPE_NAVIGATION_BAR};
-        win1.mAttrs.gravity = Gravity.TOP;
-        win1.getFrame().set(0, 0, 200, 500);
-        addWindow(win1);
-
-        assertEquals(mDisplayPolicy.getAlternateNavBarPosition(), ALT_BAR_TOP);
-        mDisplayPolicy.removeWindowLw(win1);
-
-        WindowState win2 = createWindow(null, TYPE_NAVIGATION_BAR_PANEL, "NavBarPanel2");
-        win2.mAttrs.providesInsetsTypes = new int[]{ITYPE_NAVIGATION_BAR};
-        win2.mAttrs.gravity = Gravity.BOTTOM;
-        win2.getFrame().set(0, 0, 200, 500);
-        addWindow(win2);
-
-        assertEquals(mDisplayPolicy.getAlternateNavBarPosition(), ALT_BAR_BOTTOM);
-        mDisplayPolicy.removeWindowLw(win2);
-
-        WindowState win3 = createWindow(null, TYPE_NAVIGATION_BAR_PANEL, "NavBarPanel3");
-        win3.mAttrs.providesInsetsTypes = new int[]{ITYPE_NAVIGATION_BAR};
-        win3.mAttrs.gravity = Gravity.LEFT;
-        win3.getFrame().set(0, 0, 200, 500);
-        addWindow(win3);
-
-        assertEquals(mDisplayPolicy.getAlternateNavBarPosition(), ALT_BAR_LEFT);
-        mDisplayPolicy.removeWindowLw(win3);
-
-        WindowState win4 = createWindow(null, TYPE_NAVIGATION_BAR_PANEL, "NavBarPanel4");
-        win4.mAttrs.providesInsetsTypes = new int[]{ITYPE_NAVIGATION_BAR};
-        win4.mAttrs.gravity = Gravity.RIGHT;
-        win4.getFrame().set(0, 0, 200, 500);
-        addWindow(win4);
-
-        assertEquals(mDisplayPolicy.getAlternateNavBarPosition(), ALT_BAR_RIGHT);
-        mDisplayPolicy.removeWindowLw(win4);
-    }
-
     @Test
     public void layoutWindowLw_fitStatusBars() {
         mWindow.mAttrs.setFitInsetsTypes(Type.statusBars());