diff --git a/compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/symbols/impl/IrPrivateSymbolBase.kt b/compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/symbols/impl/IrPrivateSymbolBase.kt
index bbe7e98509e..652bc7ec311 100644
--- a/compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/symbols/impl/IrPrivateSymbolBase.kt
+++ b/compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/symbols/impl/IrPrivateSymbolBase.kt
@@ -26,7 +26,10 @@ import org.jetbrains.kotlin.ir.util.IdSignature
 import org.jetbrains.kotlin.ir.util.render
 
 @OptIn(ObsoleteDescriptorBasedAPI::class)
-abstract class IrSymbolBase<out D : DeclarationDescriptor>(override val descriptor: D) : IrSymbol {
+abstract class IrSymbolBase<out D : DeclarationDescriptor>(
+    @ObsoleteDescriptorBasedAPI
+    override val descriptor: D
+) : IrSymbol {
     override fun toString(): String {
         if (isBound) return owner.render()
         return "Unbound private symbol ${super.toString()}"
diff --git a/compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/symbols/impl/IrPublicSymbolBase.kt b/compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/symbols/impl/IrPublicSymbolBase.kt
index 63d9c796006..c5a18c664f0 100644
--- a/compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/symbols/impl/IrPublicSymbolBase.kt
+++ b/compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/symbols/impl/IrPublicSymbolBase.kt
@@ -13,8 +13,8 @@ import org.jetbrains.kotlin.ir.symbols.*
 import org.jetbrains.kotlin.ir.util.IdSignature
 import org.jetbrains.kotlin.ir.util.render
 
-@OptIn(ObsoleteDescriptorBasedAPI::class)
-abstract class IrPublicSymbolBase<out D : DeclarationDescriptor>(
+abstract class IrPublicSymbolBase<out D : DeclarationDescriptor> @OptIn(ObsoleteDescriptorBasedAPI::class) constructor(
+    @ObsoleteDescriptorBasedAPI
     override val descriptor: D,
     override val signature: IdSignature
 ) : IrSymbol {