diff --git a/compiler/fir/checkers/checkers.jvm/src/org/jetbrains/kotlin/fir/analysis/jvm/checkers/FirJvmAnnotationHelper.kt b/compiler/fir/checkers/checkers.jvm/src/org/jetbrains/kotlin/fir/analysis/jvm/checkers/FirJvmAnnotationHelper.kt
index 1a490860edf..c27f309a036 100644
--- a/compiler/fir/checkers/checkers.jvm/src/org/jetbrains/kotlin/fir/analysis/jvm/checkers/FirJvmAnnotationHelper.kt
+++ b/compiler/fir/checkers/checkers.jvm/src/org/jetbrains/kotlin/fir/analysis/jvm/checkers/FirJvmAnnotationHelper.kt
@@ -8,16 +8,25 @@ package org.jetbrains.kotlin.fir.analysis.jvm.checkers
 import org.jetbrains.kotlin.config.JvmDefaultMode
 import org.jetbrains.kotlin.fir.FirAnnotationContainer
 import org.jetbrains.kotlin.fir.FirSession
+import org.jetbrains.kotlin.fir.analysis.checkers.getContainingClassSymbol
 import org.jetbrains.kotlin.fir.declarations.FirDeclaration
 import org.jetbrains.kotlin.fir.declarations.getAnnotationByClassId
+import org.jetbrains.kotlin.fir.isNewPlaceForBodyGeneration
 import org.jetbrains.kotlin.fir.symbols.FirBasedSymbol
+import org.jetbrains.kotlin.fir.symbols.SymbolInternals
+import org.jetbrains.kotlin.fir.symbols.impl.FirRegularClassSymbol
 import org.jetbrains.kotlin.name.StandardClassIds
 
 fun <D> FirBasedSymbol<out D>.isCompiledToJvmDefault(
     session: FirSession,
-    jvmDefaultMode: JvmDefaultMode
+    jvmDefaultMode: JvmDefaultMode,
 ): Boolean where D : FirAnnotationContainer, D : FirDeclaration {
     if (getAnnotationByClassId(StandardClassIds.Annotations.JvmDefault, session) != null) return true
-    return jvmDefaultMode.forAllMethodsWithBody
-}
 
+    val container = getContainingClassSymbol(session)
+    if (container !is FirRegularClassSymbol || container.origin.fromSource) return jvmDefaultMode.forAllMethodsWithBody
+
+    // Opt-in is fine here because this flag is only possible for deserialized declarations, and it's set during deserialization.
+    @OptIn(SymbolInternals::class)
+    return container.fir.isNewPlaceForBodyGeneration == true
+}