diff --git a/idea/src/org/jetbrains/kotlin/idea/actions/NewKotlinFileAction.kt b/idea/src/org/jetbrains/kotlin/idea/actions/NewKotlinFileAction.kt
index 67a068e4201..6c3de9da3b2 100644
--- a/idea/src/org/jetbrains/kotlin/idea/actions/NewKotlinFileAction.kt
+++ b/idea/src/org/jetbrains/kotlin/idea/actions/NewKotlinFileAction.kt
@@ -46,6 +46,7 @@ import org.jetbrains.kotlin.idea.statistics.FUSEventGroups
 import org.jetbrains.kotlin.idea.statistics.KotlinFUSLogger
 import org.jetbrains.kotlin.idea.util.application.runWriteAction
 import org.jetbrains.kotlin.lexer.KtTokens
+import org.jetbrains.kotlin.parsing.KotlinParserDefinition.Companion.STD_SCRIPT_SUFFIX
 import org.jetbrains.kotlin.psi.KtClass
 import org.jetbrains.kotlin.psi.KtFile
 import org.jetbrains.kotlin.psi.KtNamedDeclaration
@@ -170,7 +171,7 @@ class NewKotlinFileAction : CreateFileFromTemplateAction(
 
         private fun removeKotlinExtensionIfPresent(name: String): String = when {
             name.endsWith(".$KOTLIN_WORKSHEET_EXTENSION") -> name.removeSuffix(".$KOTLIN_WORKSHEET_EXTENSION")
-            name.endsWith(".$KOTLIN_SCRIPT_EXTENSION") -> name.removeSuffix(".$KOTLIN_SCRIPT_EXTENSION")
+            name.endsWith(".$STD_SCRIPT_SUFFIX") -> name.removeSuffix(".$STD_SCRIPT_SUFFIX")
             name.endsWith(".${KotlinFileType.EXTENSION}") -> name.removeSuffix(".${KotlinFileType.EXTENSION}")
             else -> name
         }
diff --git a/idea/src/org/jetbrains/kotlin/idea/actions/NewKotlinWorksheetAction.kt b/idea/src/org/jetbrains/kotlin/idea/actions/NewKotlinWorksheetAction.kt
index 7b64e630afa..1e1fbe34653 100644
--- a/idea/src/org/jetbrains/kotlin/idea/actions/NewKotlinWorksheetAction.kt
+++ b/idea/src/org/jetbrains/kotlin/idea/actions/NewKotlinWorksheetAction.kt
@@ -10,7 +10,6 @@ import com.intellij.psi.PsiDirectory
 import com.intellij.psi.PsiFile
 
 const val KOTLIN_WORKSHEET_EXTENSION: String = "ws.kts"
-const val KOTLIN_SCRIPT_EXTENSION = "kts"
 
 class NewKotlinWorksheetAction : NewKotlinScriptAction(
     actionName = "Kotlin Worksheet",
diff --git a/idea/tests/org/jetbrains/kotlin/idea/scratch/AbstractScratchRunActionTest.kt b/idea/tests/org/jetbrains/kotlin/idea/scratch/AbstractScratchRunActionTest.kt
index 5960474dd0e..1752e983369 100644
--- a/idea/tests/org/jetbrains/kotlin/idea/scratch/AbstractScratchRunActionTest.kt
+++ b/idea/tests/org/jetbrains/kotlin/idea/scratch/AbstractScratchRunActionTest.kt
@@ -22,7 +22,6 @@ import com.intellij.testFramework.TestActionEvent
 import com.intellij.util.ui.UIUtil
 import org.jetbrains.kotlin.codegen.forTestCompile.ForTestCompileRuntime
 import org.jetbrains.kotlin.idea.KotlinLanguage
-import org.jetbrains.kotlin.idea.actions.KOTLIN_SCRIPT_EXTENSION
 import org.jetbrains.kotlin.idea.actions.KOTLIN_WORKSHEET_EXTENSION
 import org.jetbrains.kotlin.idea.core.script.ScriptDependenciesManager
 import org.jetbrains.kotlin.idea.highlighter.KotlinHighlightingUtil
@@ -36,6 +35,7 @@ import org.jetbrains.kotlin.idea.test.KotlinLightProjectDescriptor
 import org.jetbrains.kotlin.idea.test.KotlinWithJdkAndRuntimeLightProjectDescriptor
 import org.jetbrains.kotlin.idea.test.PluginTestCaseBase
 import org.jetbrains.kotlin.idea.util.application.runWriteAction
+import org.jetbrains.kotlin.parsing.KotlinParserDefinition.Companion.STD_SCRIPT_SUFFIX
 import org.jetbrains.kotlin.test.InTextDirectivesUtils
 import org.jetbrains.kotlin.test.KotlinTestUtils
 import org.jetbrains.kotlin.test.MockLibraryUtil
@@ -70,7 +70,7 @@ abstract class AbstractScratchRunActionTest : FileEditorManagerTestCase() {
     }
 
     private fun doMultiFileTest(dirName: String, isWorksheet: Boolean) {
-        val mainFileExtension = if (isWorksheet) KOTLIN_WORKSHEET_EXTENSION else KOTLIN_SCRIPT_EXTENSION
+        val mainFileExtension = if (isWorksheet) KOTLIN_WORKSHEET_EXTENSION else STD_SCRIPT_SUFFIX
 
         val javaFiles = arrayListOf<File>()
         val kotlinFiles = arrayListOf<File>()