diff --git a/idea/idea-core/src/org/jetbrains/kotlin/idea/core/script/ScriptDefinitionsManager.kt b/idea/idea-core/src/org/jetbrains/kotlin/idea/core/script/ScriptDefinitionsManager.kt
index e91a8300673..d62a2fd5720 100644
--- a/idea/idea-core/src/org/jetbrains/kotlin/idea/core/script/ScriptDefinitionsManager.kt
+++ b/idea/idea-core/src/org/jetbrains/kotlin/idea/core/script/ScriptDefinitionsManager.kt
@@ -37,6 +37,7 @@ import com.intellij.util.containers.SLRUMap
 import org.jetbrains.kotlin.idea.KotlinFileType
 import org.jetbrains.kotlin.idea.caches.project.SdkInfo
 import org.jetbrains.kotlin.idea.caches.project.getScriptRelatedModuleInfo
+import org.jetbrains.kotlin.idea.core.script.settings.KotlinScriptingSettings
 import org.jetbrains.kotlin.script.*
 import org.jetbrains.kotlin.scripting.compiler.plugin.KotlinScriptDefinitionAdapterFromNewAPI
 import org.jetbrains.kotlin.utils.PathUtil
@@ -89,6 +90,8 @@ class ScriptDefinitionsManager(private val project: Project) : LazyScriptDefinit
 
         definitionsByContributor[contributor] = contributor.safeGetDefinitions()
 
+        definitions = definitionsByContributor.values.flattenTo(mutableListOf())
+
         updateDefinitions()
     }
 
@@ -121,15 +124,13 @@ class ScriptDefinitionsManager(private val project: Project) : LazyScriptDefinit
             definitionsByContributor[contributor] = definitions
         }
 
+        definitions = definitionsByContributor.values.flattenTo(mutableListOf())
+
         updateDefinitions()
     }
 
-    fun saveNewDefinitions(newDefinitions: List<KotlinScriptDefinition>) = lock.write {
-        definitions = newDefinitions
-
-        clearCache()
-        ServiceManager.getService(project, ScriptDependenciesCache::class.java).clear()
-        EditorNotifications.getInstance(project).updateAllNotifications()
+    fun reorderScriptDefinitions() = lock.write {
+        updateDefinitions()
     }
 
     fun getAllDefinitions() = currentDefinitions.toList()
@@ -141,8 +142,8 @@ class ScriptDefinitionsManager(private val project: Project) : LazyScriptDefinit
     private fun updateDefinitions() {
         assert(lock.isWriteLocked) { "updateDefinitions should only be called under the write lock" }
 
-        definitions = definitionsByContributor.values.flattenTo(mutableListOf()).sortedBy {
-            definitions?.indexOf(it) ?: 1000
+        definitions = definitions?.sortedBy {
+            KotlinScriptingSettings.getInstance(project).getScriptDefinitionOrder(it)
         }
 
         val fileTypeManager = FileTypeManager.getInstance()
diff --git a/idea/idea-core/src/org/jetbrains/kotlin/idea/core/script/settings/KotlinScriptingSettings.kt b/idea/idea-core/src/org/jetbrains/kotlin/idea/core/script/settings/KotlinScriptingSettings.kt
index 189ae41d17f..a862f74e6ba 100644
--- a/idea/idea-core/src/org/jetbrains/kotlin/idea/core/script/settings/KotlinScriptingSettings.kt
+++ b/idea/idea-core/src/org/jetbrains/kotlin/idea/core/script/settings/KotlinScriptingSettings.kt
@@ -10,13 +10,18 @@ import com.intellij.openapi.components.ServiceManager
 import com.intellij.openapi.components.State
 import com.intellij.openapi.components.Storage
 import com.intellij.openapi.project.Project
-import com.intellij.util.xmlb.XmlSerializerUtil
+import com.intellij.util.addOptionTag
+import com.intellij.util.attribute
+import com.intellij.util.element
+import com.intellij.util.getAttributeBooleanValue
+import org.jdom.Element
+import org.jetbrains.kotlin.script.KotlinScriptDefinition
 
 @State(
     name = "KotlinScriptingSettings",
     storages = [Storage("kotlinScripting.xml")]
 )
-class KotlinScriptingSettings : PersistentStateComponent<KotlinScriptingSettings> {
+class KotlinScriptingSettings : PersistentStateComponent<Element> {
     var isAutoReloadEnabled = false
 
     /**
@@ -24,16 +29,89 @@ class KotlinScriptingSettings : PersistentStateComponent<KotlinScriptingSettings
      */
     var suppressDefinitionsCheck = false
 
-    override fun loadState(state: KotlinScriptingSettings) {
-        XmlSerializerUtil.copyBean(state, this)
+    private var scriptDefinitions = linkedMapOf<KotlinScriptDefinitionKey, Int>()
+
+    override fun getState(): Element {
+        val definitionsRootElement = Element("KotlinScriptingSettings")
+
+        if (isAutoReloadEnabled) {
+            definitionsRootElement.addOptionTag(
+                KotlinScriptingSettings::isAutoReloadEnabled.name,
+                isAutoReloadEnabled.toString()
+            )
+        }
+
+        if (suppressDefinitionsCheck) {
+            definitionsRootElement.addOptionTag(
+                KotlinScriptingSettings::suppressDefinitionsCheck.name,
+                suppressDefinitionsCheck.toString()
+            )
+        }
+
+        if (scriptDefinitions.isEmpty()) {
+            return definitionsRootElement
+        }
+
+        for (scriptDefinition in scriptDefinitions) {
+            definitionsRootElement.addScriptDefinitionContentElement(scriptDefinition.key, scriptDefinition.value)
+        }
+
+        return definitionsRootElement
     }
 
-    override fun getState(): KotlinScriptingSettings {
-        return this
+    override fun loadState(state: Element) {
+        isAutoReloadEnabled =
+                state.getAttributeBooleanValue(KotlinScriptingSettings::isAutoReloadEnabled.name)
+        suppressDefinitionsCheck =
+                state.getAttributeBooleanValue(KotlinScriptingSettings::suppressDefinitionsCheck.name)
+
+        val scriptDefinitionsList = state.getChildren(SCRIPT_DEFINITION_TAG)
+        for (scriptDefinitionElement in scriptDefinitionsList) {
+            scriptDefinitions[scriptDefinitionElement.toKey()] = scriptDefinitionElement.getOrderTag()
+        }
+    }
+
+    fun saveScriptDefinitionsOrder(newScriptDefinitions: List<KotlinScriptDefinition>) {
+        for ((index, scriptDefinition) in newScriptDefinitions.withIndex()) {
+            scriptDefinitions[scriptDefinition.toKey()] = index
+        }
+    }
+
+    fun getScriptDefinitionOrder(scriptDefinition: KotlinScriptDefinition): Int {
+        return scriptDefinitions[scriptDefinition.toKey()] ?: Integer.MAX_VALUE
+    }
+
+    private data class KotlinScriptDefinitionKey(val definitionName: String, val className: String)
+
+    private fun Element.toKey() = KotlinScriptDefinitionKey(
+        getAttributeValue(KotlinScriptDefinitionKey::definitionName.name),
+        getAttributeValue(KotlinScriptDefinitionKey::className.name)
+    )
+
+    private fun KotlinScriptDefinition.toKey() =
+        KotlinScriptDefinitionKey(this.name, this::class.qualifiedName ?: "unknown")
+
+    private fun Element.addScriptDefinitionContentElement(definition: KotlinScriptDefinitionKey, order: Int) {
+        element(SCRIPT_DEFINITION_TAG).apply {
+            attribute(KotlinScriptDefinitionKey::className.name, definition.className)
+            attribute(KotlinScriptDefinitionKey::definitionName.name, definition.definitionName)
+
+            element(SCRIPT_DEFINITION_ORDER_TAG).apply {
+                text = order.toString()
+            }
+        }
+    }
+
+    private fun Element.getOrderTag(): Int {
+        return getChildText(SCRIPT_DEFINITION_ORDER_TAG)?.toInt() ?: Integer.MAX_VALUE
     }
 
     companion object {
         fun getInstance(project: Project): KotlinScriptingSettings =
             ServiceManager.getService(project, KotlinScriptingSettings::class.java)
+
+        private const val SCRIPT_DEFINITION_TAG = "scriptDefinition"
+        private const val SCRIPT_DEFINITION_ORDER_TAG = "order"
+
     }
 }
\ No newline at end of file
diff --git a/idea/src/org/jetbrains/kotlin/idea/script/configuration/KotlinScriptingSettingsConfigurable.java b/idea/src/org/jetbrains/kotlin/idea/script/configuration/KotlinScriptingSettingsConfigurable.java
index 5c41191cb83..753fe83141d 100644
--- a/idea/src/org/jetbrains/kotlin/idea/script/configuration/KotlinScriptingSettingsConfigurable.java
+++ b/idea/src/org/jetbrains/kotlin/idea/script/configuration/KotlinScriptingSettingsConfigurable.java
@@ -54,15 +54,17 @@ public class KotlinScriptingSettingsConfigurable implements SearchableConfigurab
     @Override
     public boolean isModified() {
         return isModified(scriptDependenciesAutoReload, settings.isAutoReloadEnabled())
-               || !model.getItems().equals(manager.getAllDefinitions());
+               || isScriptDefinitionsChanged();
     }
 
     @Override
     public void apply() {
         settings.setAutoReloadEnabled(scriptDependenciesAutoReload.isSelected());
 
-
-        manager.saveNewDefinitions(Collections.unmodifiableList(model.getItems()));
+        if (isScriptDefinitionsChanged()) {
+            settings.saveScriptDefinitionsOrder(Collections.unmodifiableList(model.getItems()));
+            manager.reorderScriptDefinitions();
+        }
     }
 
     @Override
@@ -72,6 +74,11 @@ public class KotlinScriptingSettingsConfigurable implements SearchableConfigurab
         model.setItems(Lists.newArrayList(manager.getAllDefinitions()));
     }
 
+    private boolean isScriptDefinitionsChanged() {
+        return !model.getItems().equals(manager.getAllDefinitions());
+    }
+
+
     @Override
     @Nls
     public String getDisplayName() {