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/AbstractScriptConfigurationManager.kt
index c3506016c31..9f7eb018d50 100644
--- 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/AbstractScriptConfigurationManager.kt
@@ -225,8 +225,6 @@ internal abstract class AbstractScriptConfigurationManager(
         // todo: cache.clear()
         clearClassRootsCaches()
 
-        cache.clear()
-
         if (project.isOpen) {
             val openedScripts = FileEditorManager.getInstance(project).openFiles.filterNot { it.isNonScript() }
             updateHighlighting(openedScripts)