diff --git a/core/descriptors.jvm/src/org/jetbrains/kotlin/load/java/lazy/descriptors/LazyJavaPackageScope.kt b/core/descriptors.jvm/src/org/jetbrains/kotlin/load/java/lazy/descriptors/LazyJavaPackageScope.kt
index 5d47f23d7dd..a387333566a 100644
--- a/core/descriptors.jvm/src/org/jetbrains/kotlin/load/java/lazy/descriptors/LazyJavaPackageScope.kt
+++ b/core/descriptors.jvm/src/org/jetbrains/kotlin/load/java/lazy/descriptors/LazyJavaPackageScope.kt
@@ -178,7 +178,7 @@ class LazyJavaPackageScope(
             emptyList()
         } else {
             // we don't use implementation from super which caches all descriptors and does not use filters
-            allDescriptors().filter { it is ClassDescriptor && nameFilter(it.name) }.toList()
+            allDescriptors().filter { it is ClassDescriptor && nameFilter(it.name) }
         }
     }
 }