diff --git a/idea/idea-core/src/org/jetbrains/kotlin/idea/core/script/configuration/AbstractScriptConfigurationManager.kt b/idea/idea-core/src/org/jetbrains/kotlin/idea/core/script/configuration/CompositeScriptConfigurationManager.kt
similarity index 100%
rename from idea/idea-core/src/org/jetbrains/kotlin/idea/core/script/configuration/AbstractScriptConfigurationManager.kt
rename to idea/idea-core/src/org/jetbrains/kotlin/idea/core/script/configuration/CompositeScriptConfigurationManager.kt
diff --git a/idea/idea-core/src/org/jetbrains/kotlin/idea/core/script/configuration/DefaultScriptConfigurationManager.kt b/idea/idea-core/src/org/jetbrains/kotlin/idea/core/script/configuration/DefaultScriptingSupport.kt
similarity index 99%
rename from idea/idea-core/src/org/jetbrains/kotlin/idea/core/script/configuration/DefaultScriptConfigurationManager.kt
rename to idea/idea-core/src/org/jetbrains/kotlin/idea/core/script/configuration/DefaultScriptingSupport.kt
index f80cab65c44..b34354d7275 100644
--- a/idea/idea-core/src/org/jetbrains/kotlin/idea/core/script/configuration/DefaultScriptConfigurationManager.kt
+++ b/idea/idea-core/src/org/jetbrains/kotlin/idea/core/script/configuration/DefaultScriptingSupport.kt
@@ -436,6 +436,6 @@ object DefaultScriptConfigurationManagerExtensions {
 }
 
 val ScriptConfigurationManager.testingBackgroundExecutor
-    get() = (this as CompositeManager).managers
+    get() = (this as CompositeScriptConfigurationManager).managers
         .firstIsInstance<DefaultScriptingSupport>()
         .backgroundExecutor as TestingBackgroundExecutor
\ No newline at end of file