diff --git a/kotlin_demo/src/main/kotlin/HelloAction.kt b/kotlin_demo/src/main/kotlin/HelloAction.kt
index afbbac3f6..40b9a51f5 100644
--- a/kotlin_demo/src/main/kotlin/HelloAction.kt
+++ b/kotlin_demo/src/main/kotlin/HelloAction.kt
@@ -1,14 +1,14 @@
 // Copyright 2000-2020 JetBrains s.r.o. and other contributors. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
 
-import com.intellij.openapi.actionSystem.AnAction
 import com.intellij.openapi.actionSystem.AnActionEvent
 import com.intellij.openapi.actionSystem.PlatformDataKeys
+import com.intellij.openapi.project.DumbAwareAction
 import com.intellij.openapi.ui.Messages
 
-//[Markdown reference](/tutorials/kotlin.md)
-class HelloAction : AnAction("Hello") {
-    override fun actionPerformed(event: AnActionEvent) {
-        val project = event.getData(PlatformDataKeys.PROJECT)
-        Messages.showMessageDialog(project, "Hello from Kotlin!", "Greeting", Messages.getInformationIcon())
-    }
+class HelloAction : DumbAwareAction() {
+
+  override fun actionPerformed(event: AnActionEvent) {
+    val project = event.getData(PlatformDataKeys.PROJECT)
+    Messages.showMessageDialog(project, "Hello from Kotlin!", "Greeting", Messages.getInformationIcon())
+  }
 }
\ No newline at end of file