Use 'idea' plugin to specify excluded dirs

.idea/modules/kotlin.iml

@@ -1,19 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<module external.linked.project.id="kotlin" external.linked.project.path="$MODULE_DIR$/../.." external.root.project.path="$MODULE_DIR$/../.." external.system.id="GRADLE" external.system.module.group="org.jetbrains.kotlin" external.system.module.version="1.1-SNAPSHOT" type="JAVA_MODULE" version="4">
-  <component name="NewModuleRootManager" inherit-compiler-output="true">
-    <exclude-output />
-    <content url="file://$MODULE_DIR$/../..">
-      <excludeFolder url="file://$MODULE_DIR$/../../.gradle" />
-      <excludeFolder url="file://$MODULE_DIR$/../../build" />
-      <excludeFolder url="file://$MODULE_DIR$/../../dependencies" />
-      <excludeFolder url="file://$MODULE_DIR$/../../dist" />
-      <excludeFolder url="file://$MODULE_DIR$/../../ideaSDK/androidSDK" />
-      <excludeFolder url="file://$MODULE_DIR$/../../ideaSDK/config" />
-      <excludeFolder url="file://$MODULE_DIR$/../../ideaSDK/config-idea" />
-      <excludeFolder url="file://$MODULE_DIR$/../../ideaSDK/system" />
-      <excludeFolder url="file://$MODULE_DIR$/../../ideaSDK/system-idea" />
-    </content>
-    <orderEntry type="inheritedJdk" />
-    <orderEntry type="sourceFolder" forTests="false" />
-  </component>
-</module>

build.gradle.kts

@@ -2,6 +2,7 @@ import org.gradle.api.Project
 import java.util.*
 import java.io.File
 import org.gradle.api.tasks.bundling.Jar
+import org.gradle.plugins.ide.idea.model.IdeaModel
 import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
 import org.jetbrains.kotlin.gradle.tasks.Kotlin2JsCompile
 
@@ -34,6 +35,7 @@ buildscript {
 
 plugins {
     `build-scan`
+    idea
 }
 
 buildScan {
@@ -447,6 +449,23 @@ tasks {
     "check" { dependsOn("test") }
 }
 
+the<IdeaModel>().apply {
+    module {
+        excludeDirs = files(
+                project.buildDir,
+                ".gradle",
+                "dependencies",
+                "dist",
+                "ideaSDK/bin",
+                "ideaSDK/androidSDK",
+                "ideaSDK/config",
+                "ideaSDK/config-idea",
+                "ideaSDK/system",
+                "ideaSDK/system-idea"
+        ).toSet()
+    }
+}
+
 fun jdkPathIfFound(version: String): String? {
     val jdkName = "JDK_${version.replace(".", "")}"
     val jdkMajorVersion = JdkMajorVersion.valueOf(jdkName)