diff --git a/analysis/symbol-light-classes/src/org/jetbrains/kotlin/light/classes/symbol/methods/SymbolLightSimpleMethod.kt b/analysis/symbol-light-classes/src/org/jetbrains/kotlin/light/classes/symbol/methods/SymbolLightSimpleMethod.kt
index ce05eb72b63..d61d6b6023f 100644
--- a/analysis/symbol-light-classes/src/org/jetbrains/kotlin/light/classes/symbol/methods/SymbolLightSimpleMethod.kt
+++ b/analysis/symbol-light-classes/src/org/jetbrains/kotlin/light/classes/symbol/methods/SymbolLightSimpleMethod.kt
@@ -99,7 +99,7 @@ internal class SymbolLightSimpleMethod(
 
         functionSymbol.computeModalityForMethod(
             isTopLevel = isTopLevel,
-            suppressFinal = !finalModifier && functionSymbol.isOverride,
+            suppressFinal = containingClass.isInterface || (!finalModifier && functionSymbol.isOverride),
             result = modifiers
         )