diff --git a/java/compiler/impl/src/com/intellij/compiler/backwardRefs/ExcludedFromCompileFilesUtil.java b/java/compiler/impl/src/com/intellij/compiler/backwardRefs/ExcludedFromCompileFilesUtil.java
index bb0ba5a3abe8..126bc7cdd5bc 100644
--- a/java/compiler/impl/src/com/intellij/compiler/backwardRefs/ExcludedFromCompileFilesUtil.java
+++ b/java/compiler/impl/src/com/intellij/compiler/backwardRefs/ExcludedFromCompileFilesUtil.java
@@ -40,7 +40,12 @@ class ExcludedFromCompileFilesUtil {
           return Stream.of(file);
         }
         else if (description.isIncludeSubdirectories()) {
-          return iterateChildrenRecursively(file);
+          final Stream.Builder<VirtualFile> builder = Stream.builder();
+          VfsUtilCore.iterateChildrenRecursively(file, null, f -> {
+            builder.accept(f);
+            return true;
+          });
+          return builder.build();
         }
         else {
           return Stream.of(file.getChildren());
@@ -51,13 +56,4 @@ class ExcludedFromCompileFilesUtil {
 
     return GlobalSearchScope.filesWithoutLibrariesScope(project, excludedFiles);
   }
-
-  private static Stream<VirtualFile> iterateChildrenRecursively(VirtualFile file) {
-    final Stream.Builder<VirtualFile> builder = Stream.builder();
-    VfsUtilCore.iterateChildrenRecursively(file, null, f -> {
-      builder.accept(f);
-      return true;
-    });
-    return builder.build();
-  }
 }