diff --git a/services/core/java/com/android/server/pm/PackageInstallerService.java b/services/core/java/com/android/server/pm/PackageInstallerService.java
index 4cee2e58d20e9..34bee9572753d 100644
--- a/services/core/java/com/android/server/pm/PackageInstallerService.java
+++ b/services/core/java/com/android/server/pm/PackageInstallerService.java
@@ -686,11 +686,6 @@ public class PackageInstallerService extends IPackageInstaller.Stub implements
             }
         }
 
-        if (params.whitelistedRestrictedPermissions != null) {
-            mPermissionManager.retainHardAndSoftRestrictedPermissions(
-                    params.whitelistedRestrictedPermissions);
-        }
-
         final int sessionId;
         final PackageInstallerSession session;
         synchronized (mSessions) {
diff --git a/services/core/java/com/android/server/pm/permission/PermissionManagerService.java b/services/core/java/com/android/server/pm/permission/PermissionManagerService.java
index 791efd022fe9b..389010ae97349 100644
--- a/services/core/java/com/android/server/pm/permission/PermissionManagerService.java
+++ b/services/core/java/com/android/server/pm/permission/PermissionManagerService.java
@@ -5147,20 +5147,6 @@ public class PermissionManagerService extends IPermissionManager.Stub {
                     true, mDefaultPermissionCallback);
         }
 
-        @Override
-        public void retainHardAndSoftRestrictedPermissions(@NonNull List<String> permissionNames) {
-            synchronized (mLock) {
-                Iterator<String> iterator = permissionNames.iterator();
-                while (iterator.hasNext()) {
-                    final String permissionName = iterator.next();
-                    final Permission permission = mRegistry.getPermission(permissionName);
-                    if (permission == null || !permission.isHardOrSoftRestricted()) {
-                        iterator.remove();
-                    }
-                }
-            }
-        }
-
         @Override
         public void readLegacyPermissionsTEMP(
                 @NonNull LegacyPermissionSettings legacyPermissionSettings) {
diff --git a/services/core/java/com/android/server/pm/permission/PermissionManagerServiceInternal.java b/services/core/java/com/android/server/pm/permission/PermissionManagerServiceInternal.java
index 66e692db2154e..0817d4fc895ea 100644
--- a/services/core/java/com/android/server/pm/permission/PermissionManagerServiceInternal.java
+++ b/services/core/java/com/android/server/pm/permission/PermissionManagerServiceInternal.java
@@ -183,12 +183,6 @@ public interface PermissionManagerServiceInternal extends PermissionManagerInter
     //@SystemApi(client = SystemApi.Client.SYSTEM_SERVER)
     void stopShellPermissionIdentityDelegation();
 
-    /**
-     * Removes invalid permissions which are not {@link PermissionInfo#FLAG_HARD_RESTRICTED} or
-     * {@link PermissionInfo#FLAG_SOFT_RESTRICTED} from the input.
-     */
-    void retainHardAndSoftRestrictedPermissions(@NonNull List<String> permissionNames);
-
     /**
      * Read legacy permissions from legacy permission settings.
      *