diff --git a/analysis/symbol-light-classes/src/org/jetbrains/kotlin/light/classes/symbol/classes/firLightClassUtils.kt b/analysis/symbol-light-classes/src/org/jetbrains/kotlin/light/classes/symbol/classes/firLightClassUtils.kt
index e4fb7886e45..cafa183d626 100644
--- a/analysis/symbol-light-classes/src/org/jetbrains/kotlin/light/classes/symbol/classes/firLightClassUtils.kt
+++ b/analysis/symbol-light-classes/src/org/jetbrains/kotlin/light/classes/symbol/classes/firLightClassUtils.kt
@@ -436,6 +436,7 @@ internal fun KtSymbolWithMembers.createInnerClasses(
 }
 
 internal fun KtClassOrObject.checkIsInheritor(superClassOrigin: KtClassOrObject, checkDeep: Boolean): Boolean {
+    if (this == superClassOrigin) return false
     return analyseForLightClasses(this) {
         if (!superClassOrigin.canBeAnalysed()) {
             return false