diff --git a/idea/tests/org/jetbrains/kotlin/idea/debugger/sequence/psi/java/PositiveStreamExTest.kt b/idea/tests/org/jetbrains/kotlin/idea/debugger/sequence/psi/java/PositiveStreamExTest.kt
deleted file mode 100644
index f7f26774e6d..00000000000
--- a/idea/tests/org/jetbrains/kotlin/idea/debugger/sequence/psi/java/PositiveStreamExTest.kt
+++ /dev/null
@@ -1,37 +0,0 @@
-// Copyright 2000-2017 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 org.jetbrains.kotlin.idea.debugger.sequence.psi.java
-
-import org.jetbrains.kotlin.idea.debugger.sequence.KotlinPsiChainBuilderTestCase
-import org.jetbrains.kotlin.idea.debugger.sequence.LibraryUtil
-import org.jetbrains.kotlin.idea.debugger.sequence.lib.java.StreamExLibrarySupportProvider
-import com.intellij.debugger.streams.wrapper.StreamChainBuilder
-import com.intellij.openapi.application.ApplicationManager
-import com.intellij.openapi.vfs.newvfs.impl.VfsRootAccess
-import com.intellij.testFramework.LightPlatformTestCase
-import com.intellij.testFramework.PsiTestUtil
-
-/**
- * @author Vitaliy.Bibaev
- */
-class PositiveStreamExTest : KotlinPsiChainBuilderTestCase.Positive("streams/positive/streamex") {
-  override val kotlinChainBuilder: StreamChainBuilder = StreamExLibrarySupportProvider().chainBuilder
-  override fun setUp() {
-    super.setUp()
-    ApplicationManager.getApplication().runWriteAction {
-      VfsRootAccess.allowRootAccess(LibraryUtil.LIBRARIES_DIRECTORY)
-      PsiTestUtil.addLibrary(testRootDisposable, LightPlatformTestCase.getModule(),
-                             "StreamEx", LibraryUtil.LIBRARIES_DIRECTORY, "streamex-0.6.5.jar")
-    }
-  }
-
-  override fun tearDown() {
-    super.tearDown()
-    ApplicationManager.getApplication().runWriteAction {
-      VfsRootAccess.disallowRootAccess(LibraryUtil.LIBRARIES_DIRECTORY)
-    }
-  }
-
-  fun testSimple() {
-    doTest()
-  }
-}