diff --git a/idea/idea-analysis/src/org/jetbrains/kotlin/idea/highlighter/KotlinHighlightingUtil.kt b/idea/idea-analysis/src/org/jetbrains/kotlin/idea/highlighter/KotlinHighlightingUtil.kt
index 3229563b5a1..07c95b8bb7e 100644
--- a/idea/idea-analysis/src/org/jetbrains/kotlin/idea/highlighter/KotlinHighlightingUtil.kt
+++ b/idea/idea-analysis/src/org/jetbrains/kotlin/idea/highlighter/KotlinHighlightingUtil.kt
@@ -33,6 +33,9 @@ object KotlinHighlightingUtil {
 
     fun shouldHighlightErrors(psiElement: PsiElement): Boolean {
         val ktFile = psiElement.containingFile as? KtFile ?: return false
+        if (ktFile.isCompiled) {
+            return false
+        }
         return (ktFile is KtCodeFragment && ktFile.context != null) || ktFile.isScript() || ProjectRootsUtil.isInProjectSource(ktFile)
     }
 }
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