diff --git a/java/idea-ui/testSrc/com/intellij/facet/FacetLibrariesValidatorTest.java b/java/idea-ui/testSrc/com/intellij/facet/FacetLibrariesValidatorTest.java
index 3c0ea4a1fda0..bb7545b9cc84 100644
--- a/java/idea-ui/testSrc/com/intellij/facet/FacetLibrariesValidatorTest.java
+++ b/java/idea-ui/testSrc/com/intellij/facet/FacetLibrariesValidatorTest.java
@@ -5,11 +5,11 @@ package com.intellij.facet;
 import com.intellij.facet.impl.ui.libraries.FacetLibrariesValidatorImpl;
 import com.intellij.facet.mock.MockFacet;
 import com.intellij.facet.mock.MockFacetEditorContext;
-import com.intellij.facet.mock.MockFacetLibrariesValidatorDescription;
 import com.intellij.facet.mock.MockFacetValidatorsManager;
 import com.intellij.facet.ui.FacetEditorContext;
 import com.intellij.facet.ui.FacetEditorsFactory;
 import com.intellij.facet.ui.libraries.FacetLibrariesValidator;
+import com.intellij.facet.ui.libraries.FacetLibrariesValidatorDescription;
 import com.intellij.facet.ui.libraries.LibraryInfo;
 import com.intellij.openapi.roots.ModuleRootModificationUtil;
 import com.intellij.openapi.roots.OrderEnumerator;
@@ -33,7 +33,7 @@ public class FacetLibrariesValidatorTest extends FacetTestCase {
   private VirtualFile myJUnitJar;
   @NonNls private static final String LIB_NAME = "lib";
   private MockFacet myFacet;
-  private MockFacetLibrariesValidatorDescription myDescription;
+  private FacetLibrariesValidatorDescription myDescription;
 
   @Override
   protected void setUp() throws Exception {
@@ -42,7 +42,7 @@ public class FacetLibrariesValidatorTest extends FacetTestCase {
     myFacet = createFacet();
     myFastUtilJar = IntelliJProjectConfiguration.getJarFromSingleJarProjectLibrary("fastutil-min");
     myJUnitJar = IntelliJProjectConfiguration.getJarFromSingleJarProjectLibrary("JUnit3");
-    myDescription = new MockFacetLibrariesValidatorDescription(LIB_NAME);
+    myDescription = new FacetLibrariesValidatorDescription(LIB_NAME);
   }
 
   @Override
diff --git a/java/idea-ui/testSrc/com/intellij/facet/mock/MockFacetLibrariesValidatorDescription.java b/java/idea-ui/testSrc/com/intellij/facet/mock/MockFacetLibrariesValidatorDescription.java
deleted file mode 100644
index cbea0fd57ad8..000000000000
--- a/java/idea-ui/testSrc/com/intellij/facet/mock/MockFacetLibrariesValidatorDescription.java
+++ /dev/null
@@ -1,26 +0,0 @@
-// Copyright 2000-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
-
-package com.intellij.facet.mock;
-
-import com.intellij.facet.Facet;
-import com.intellij.facet.ui.libraries.FacetLibrariesValidatorDescription;
-import com.intellij.openapi.roots.libraries.Library;
-import org.jetbrains.annotations.NonNls;
-import org.jetbrains.annotations.NotNull;
-
-import java.util.HashSet;
-import java.util.Set;
-
-public class MockFacetLibrariesValidatorDescription extends FacetLibrariesValidatorDescription {
-  private final Set<Library> myAddedLibraries = new HashSet<>();
-
-  public MockFacetLibrariesValidatorDescription(final @NonNls String defaultLibraryName) {
-    super(defaultLibraryName);
-  }
-
-  @Override
-  public void onLibraryAdded(final Facet facet, @NotNull final Library library) {
-    myAddedLibraries.add(library);
-  }
-
-}