diff --git a/plugins/kotlin/project-configuration/src/org/jetbrains/kotlin/idea/configuration/KotlinWithLibraryConfigurator.kt b/plugins/kotlin/project-configuration/src/org/jetbrains/kotlin/idea/configuration/KotlinWithLibraryConfigurator.kt
index 22f950261107..1b637b03ba7a 100644
--- a/plugins/kotlin/project-configuration/src/org/jetbrains/kotlin/idea/configuration/KotlinWithLibraryConfigurator.kt
+++ b/plugins/kotlin/project-configuration/src/org/jetbrains/kotlin/idea/configuration/KotlinWithLibraryConfigurator.kt
@@ -219,12 +219,10 @@ abstract class KotlinWithLibraryConfigurator<P : LibraryProperties<*>> protected
             ?: error("Kotlin Library has to be created in advance")) as LibraryEx
 
         library.modifiableModel.let { libraryModel ->
-            //  will be performed later on EDT
-            writeActions.addOrExecute { runWriteAction {
-                configureLibraryJar(project, libraryModel, libraryJarDescriptor, collector, ProgressManager.getGlobalProgressIndicator())
-                libraryModel.commit()
-            }
-            }
+            configureLibraryJar(project, libraryModel, libraryJarDescriptor, collector, ProgressManager.getGlobalProgressIndicator())
+
+            // commit will be performed later on EDT
+            writeActions.addOrExecute { runWriteAction { libraryModel.commit() } }
         }
 
         addLibraryToModuleIfNeeded(module, library, collector, writeActions)
@@ -239,10 +237,6 @@ abstract class KotlinWithLibraryConfigurator<P : LibraryProperties<*>> protected
         }
     }
 
-    /**
-     * Updates KotlinJavaRuntime.xml
-     * Should be performed under a write action.
-     */
     fun configureLibraryJar(
         project: Project,
         library: LibraryEx.ModifiableModelEx,