diff --git a/platform/lang-impl/src/com/intellij/codeInsight/folding/CodeFoldingManager.java b/platform/lang-impl/src/com/intellij/codeInsight/folding/CodeFoldingManager.java
index 65f6e87073d1..f9929ee72154 100644
--- a/platform/lang-impl/src/com/intellij/codeInsight/folding/CodeFoldingManager.java
+++ b/platform/lang-impl/src/com/intellij/codeInsight/folding/CodeFoldingManager.java
@@ -19,8 +19,6 @@ public abstract class CodeFoldingManager {
 
   public abstract void updateFoldRegions(@NotNull Editor editor);
 
-  public abstract void forceDefaultState(@NotNull Editor editor);
-
   @Nullable
   public abstract Runnable updateFoldRegionsAsync(@NotNull Editor editor, boolean firstTime);
 
diff --git a/platform/lang-impl/src/com/intellij/codeInsight/folding/impl/CodeFoldingManagerImpl.java b/platform/lang-impl/src/com/intellij/codeInsight/folding/impl/CodeFoldingManagerImpl.java
index 962dcbc8616f..9366db014316 100644
--- a/platform/lang-impl/src/com/intellij/codeInsight/folding/impl/CodeFoldingManagerImpl.java
+++ b/platform/lang-impl/src/com/intellij/codeInsight/folding/impl/CodeFoldingManagerImpl.java
@@ -260,23 +260,6 @@ public class CodeFoldingManagerImpl extends CodeFoldingManager implements Projec
     }
   }
 
-  @Override
-  public void forceDefaultState(@NotNull final Editor editor) {
-    PsiDocumentManager.getInstance(myProject).commitDocument(editor.getDocument());
-    Runnable runnable = updateFoldRegions(editor, true, false);
-    if (runnable != null) {
-      runnable.run();
-    }
-
-    final FoldRegion[] regions = editor.getFoldingModel().getAllFoldRegions();
-    editor.getFoldingModel().runBatchFoldingOperation(() -> {
-      for (FoldRegion region : regions) {
-        Boolean collapsedByDefault = region.getUserData(UpdateFoldRegionsOperation.COLLAPSED_BY_DEFAULT);
-        if (collapsedByDefault != null) region.setExpanded(!collapsedByDefault);
-      }
-    });
-  }
-
   @Override
   @Nullable
   public Runnable updateFoldRegionsAsync(@NotNull final Editor editor, final boolean firstTime) {