diff --git a/platform/projectModel-api/src/com/intellij/ide/highlighter/ProjectFileType.java b/platform/projectModel-api/src/com/intellij/ide/highlighter/ProjectFileType.java
index 6b01887419a0..171247a1a9f1 100644
--- a/platform/projectModel-api/src/com/intellij/ide/highlighter/ProjectFileType.java
+++ b/platform/projectModel-api/src/com/intellij/ide/highlighter/ProjectFileType.java
@@ -1,30 +1,16 @@
-/*
- * Copyright 2000-2015 JetBrains s.r.o.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
+// Copyright 2000-2020 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
 package com.intellij.ide.highlighter;
 
 import com.intellij.icons.AllIcons;
 import com.intellij.openapi.fileTypes.InternalFileType;
-import com.intellij.openapi.vfs.CharsetToolkit;
 import com.intellij.openapi.vfs.VirtualFile;
 import com.intellij.projectModel.ProjectModelBundle;
 import org.jetbrains.annotations.NotNull;
 
 import javax.swing.*;
+import java.nio.charset.StandardCharsets;
 
-public class ProjectFileType implements InternalFileType {
+public final class ProjectFileType implements InternalFileType {
   public static final ProjectFileType INSTANCE = new ProjectFileType();
 
   public static final String DEFAULT_EXTENSION = "ipr";
@@ -66,7 +52,7 @@ public class ProjectFileType implements InternalFileType {
   }
 
   @Override
-  public String getCharset(@NotNull VirtualFile file, final byte @NotNull [] content) {
-    return CharsetToolkit.UTF8;
+  public String getCharset(@NotNull VirtualFile file, byte @NotNull [] content) {
+    return StandardCharsets.UTF_8.name();
   }
 }
\ No newline at end of file