diff --git a/uast/uast-tests/src/org/jetbrains/uast/test/common/DeadUastLanguagePlugin.kt b/uast/uast-tests/src/org/jetbrains/uast/test/common/DeadUastLanguagePlugin.kt
new file mode 100644
index 000000000000..2ee81f2ab516
--- /dev/null
+++ b/uast/uast-tests/src/org/jetbrains/uast/test/common/DeadUastLanguagePlugin.kt
@@ -0,0 +1,47 @@
+// Copyright 2000-2020 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.uast.test.common
+
+import com.intellij.lang.Language
+import com.intellij.psi.PsiElement
+import org.jetbrains.uast.UElement
+import org.jetbrains.uast.UExpression
+import org.jetbrains.uast.UastLanguagePlugin
+import org.junit.Assert
+
+class DeadUastLanguagePlugin(override val language: Language) : UastLanguagePlugin {
+
+  override fun isFileSupported(fileName: String): Boolean {
+    Assert.fail("Uast should not be called in this test")
+    return false
+  }
+
+  override val priority: Int get() = 0
+
+  override fun convertElement(element: PsiElement, parent: UElement?, requiredType: Class<out UElement>?): UElement? {
+    Assert.fail("Uast should not be called in this test")
+    return null
+  }
+
+  override fun convertElementWithParent(element: PsiElement, requiredType: Class<out UElement>?): UElement? {
+    Assert.fail("Uast should not be called in this test")
+    return null
+  }
+
+  override fun getMethodCallExpression(element: PsiElement,
+                                       containingClassFqName: String?,
+                                       methodName: String): UastLanguagePlugin.ResolvedMethod? {
+    Assert.fail("Uast should not be called in this test")
+    return null
+  }
+
+  override fun getConstructorCallExpression(element: PsiElement, fqName: String): UastLanguagePlugin.ResolvedConstructor? {
+    Assert.fail("Uast should not be called in this test")
+    return null
+  }
+
+  override fun isExpressionValueUsed(element: UExpression): Boolean {
+    Assert.fail("Uast should not be called in this test")
+    return false
+  }
+
+}
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