diff --git a/java/openapi/src/com/intellij/psi/search/searches/ClassInheritorsSearch.java b/java/openapi/src/com/intellij/psi/search/searches/ClassInheritorsSearch.java
index 81a7892175da..1d8f2b849293 100644
--- a/java/openapi/src/com/intellij/psi/search/searches/ClassInheritorsSearch.java
+++ b/java/openapi/src/com/intellij/psi/search/searches/ClassInheritorsSearch.java
@@ -22,14 +22,18 @@ import com.intellij.openapi.progress.ProgressManager;
 import com.intellij.openapi.util.Computable;
 import com.intellij.openapi.util.Condition;
 import com.intellij.openapi.util.Ref;
+import com.intellij.openapi.util.TextRange;
+import com.intellij.openapi.vfs.VirtualFile;
 import com.intellij.psi.*;
 import com.intellij.psi.search.GlobalSearchScope;
 import com.intellij.psi.search.PsiSearchScopeUtil;
 import com.intellij.psi.search.SearchScope;
+import com.intellij.util.Function;
 import com.intellij.util.Processor;
 import com.intellij.util.Query;
 import com.intellij.util.QueryExecutor;
 import com.intellij.util.containers.Stack;
+import gnu.trove.TObjectHashingStrategy;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 
@@ -44,7 +48,6 @@ public class ClassInheritorsSearch extends ExtensibleQueryFactory<PsiClass, Clas
 
   public static final ClassInheritorsSearch INSTANCE = new ClassInheritorsSearch();
 
-
   static {
     INSTANCE.registerExecutor(new QueryExecutor<PsiClass, SearchParameters>() {
       public boolean execute(@NotNull final SearchParameters parameters, @NotNull final Processor<PsiClass> consumer) {
@@ -128,7 +131,7 @@ public class ClassInheritorsSearch extends ExtensibleQueryFactory<PsiClass, Clas
   }
 
   public static Query<PsiClass> search(@NotNull SearchParameters parameters) {
-    return INSTANCE.createUniqueResultsQuery(parameters);
+    return INSTANCE.createQuery(parameters);
   }
 
   public static Query<PsiClass> search(@NotNull final PsiClass aClass, @NotNull SearchScope scope, final boolean checkDeep, final boolean checkInheritance) {