diff --git a/platform/bootstrap/src/com/intellij/idea/Main.java b/platform/bootstrap/src/com/intellij/idea/Main.java
index 0cf4fde426bb..9a0f753104df 100644
--- a/platform/bootstrap/src/com/intellij/idea/Main.java
+++ b/platform/bootstrap/src/com/intellij/idea/Main.java
@@ -20,7 +20,7 @@ import com.intellij.ide.Bootstrap;
 import com.intellij.openapi.application.PathManager;
 import com.intellij.openapi.util.Comparing;
 import com.intellij.openapi.util.SystemInfo;
-import com.intellij.openapi.util.io.FileUtil;
+import com.intellij.openapi.util.io.FileUtilRt;
 import com.intellij.util.Restarter;
 import org.jetbrains.annotations.NonNls;
 
@@ -58,7 +58,7 @@ public class Main {
 
         File log = null;
         try {
-          log = FileUtil.createTempFile("patch", ".log", false);
+          log = FileUtilRt.createTempFile("patch", ".log", false);
           PrintWriter writer = new PrintWriter(log);
           try {
             e.printStackTrace(writer);
@@ -124,11 +124,11 @@ public class Main {
     File copyPatchFile = new File(System.getProperty("java.io.tmpdir"), patchFileName + "_copy");
 
     // always delete previous patch copy
-    if (!FileUtil.delete(copyPatchFile)) throw new IOException("Cannot create temporary patch file");
+    if (!FileUtilRt.delete(copyPatchFile)) throw new IOException("Cannot create temporary patch file");
 
     if (!originalPatchFile.exists()) return;
 
-    if (!originalPatchFile.renameTo(copyPatchFile) || !FileUtil.delete(originalPatchFile)) {
+    if (!originalPatchFile.renameTo(copyPatchFile) || !FileUtilRt.delete(originalPatchFile)) {
       throw new IOException("Cannot create temporary patch file");
     }
 
diff --git a/platform/util/src/com/intellij/util/Restarter.java b/platform/util/src/com/intellij/util/Restarter.java
index 847511c04c11..2ce3b9bab649 100644
--- a/platform/util/src/com/intellij/util/Restarter.java
+++ b/platform/util/src/com/intellij/util/Restarter.java
@@ -17,7 +17,7 @@ package com.intellij.util;
 
 import com.intellij.openapi.application.PathManager;
 import com.intellij.openapi.util.SystemInfo;
-import com.intellij.openapi.util.io.FileUtil;
+import com.intellij.openapi.util.io.FileUtilRt;
 import com.intellij.openapi.util.io.StreamUtil;
 import com.intellij.openapi.util.text.StringUtil;
 import com.sun.jna.Native;
@@ -142,11 +142,11 @@ public class Restarter {
   }
 
   public static File createTempExecutable(File executable) throws IOException {
-    String ext = FileUtil.getExtension(executable.getName());
-    File copy = FileUtil.createTempFile(FileUtil.getNameWithoutExtension(executable),
-                                        StringUtil.isEmptyOrSpaces(ext) ? ".tmp" : ("." + ext),
-                                        false);
-    FileUtil.copy(executable, copy);
+    String ext = FileUtilRt.getExtension(executable.getName());
+    File copy = FileUtilRt.createTempFile(FileUtilRt.getNameWithoutExtension(executable.getName()),
+                                          StringUtil.isEmptyOrSpaces(ext) ? ".tmp" : ("." + ext),
+                                          false);
+    FileUtilRt.copy(executable, copy);
     if (!copy.setExecutable(executable.canExecute())) throw new IOException("Cannot make file executable: " + copy);
     return copy;
   }