diff --git a/platform/core-impl/src/com/intellij/psi/impl/PsiTreeChangePreprocessorBase.java b/platform/core-impl/src/com/intellij/psi/impl/PsiTreeChangePreprocessorBase.java
index 273caa025885..6e840a88af35 100644
--- a/platform/core-impl/src/com/intellij/psi/impl/PsiTreeChangePreprocessorBase.java
+++ b/platform/core-impl/src/com/intellij/psi/impl/PsiTreeChangePreprocessorBase.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2000-2010 JetBrains s.r.o.
+ * Copyright 2000-2016 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.
@@ -20,30 +20,13 @@ import com.intellij.openapi.project.Project;
 import com.intellij.psi.PsiElement;
 import com.intellij.psi.PsiFile;
 import com.intellij.psi.PsiManager;
-import com.intellij.util.ObjectUtils;
 import org.jetbrains.annotations.NotNull;
-import org.jetbrains.annotations.Nullable;
 
 public abstract class PsiTreeChangePreprocessorBase implements PsiTreeChangePreprocessor {
   @NotNull private final Project myProject;
-  @Nullable private final PsiManagerImpl myPsiManager;
 
   public PsiTreeChangePreprocessorBase(@NotNull Project project) {
     myProject = project;
-    myPsiManager = null;
-  }
-
-  /**
-   * Note that this constructor can't be used for preprocessors that is defined in extensions
-   * because it will be invoke during constructing PsiManager.
-   *
-   * @deprecated to delete in IDEA 15, define preprocessor as an extension of {@link PsiTreeChangePreprocessor#EP_NAME} and
-   * use {@link this#PsiTreeChangePreprocessorBase(Project)} instead
-   */
-  public PsiTreeChangePreprocessorBase(@NotNull PsiManagerImpl psiManager) {
-    myPsiManager = psiManager;
-    myProject = psiManager.getProject();
-    psiManager.addTreeChangePreprocessor(this);
   }
 
   @Override
@@ -94,7 +77,7 @@ public abstract class PsiTreeChangePreprocessorBase implements PsiTreeChangePrep
 
   @NotNull
   private PsiModificationTrackerImpl getModificationTracker() {
-    return (PsiModificationTrackerImpl)ObjectUtils.notNull(myPsiManager, PsiManager.getInstance(myProject)).getModificationTracker();
+    return (PsiModificationTrackerImpl)PsiManager.getInstance(myProject).getModificationTracker();
   }
 
   protected abstract boolean isInsideCodeBlock(PsiElement element);