diff --git a/compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/util/SymbolTable.kt b/compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/util/SymbolTable.kt
index 720778f60fa..ee8a85c55a3 100644
--- a/compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/util/SymbolTable.kt
+++ b/compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/util/SymbolTable.kt
@@ -220,7 +220,7 @@ open class SymbolTable(
 
         protected inline fun createOwnerSafe(symbol: S, createOwner: (S) -> B): B {
             val owner = createOwner(symbol)
-            assert(symbol.isBound /*&& symbol.owner === owner*/) // TODO: unmute the second condition immediately when KT-57049 is fixed
+            assert(symbol.isBound && symbol.owner === owner)
             return owner
         }
     }