diff --git a/compiler/builtins-serializer/src/org/jetbrains/kotlin/serialization/builtins/BuiltInsSerializer.kt b/compiler/builtins-serializer/src/org/jetbrains/kotlin/serialization/builtins/BuiltInsSerializer.kt
index 1222090a206..ce4ba8d2e52 100644
--- a/compiler/builtins-serializer/src/org/jetbrains/kotlin/serialization/builtins/BuiltInsSerializer.kt
+++ b/compiler/builtins-serializer/src/org/jetbrains/kotlin/serialization/builtins/BuiltInsSerializer.kt
@@ -51,7 +51,7 @@ class BuiltInsSerializer(dependOnOldBuiltIns: Boolean) : MetadataSerializer(Buil
                 put(CommonConfigurationKeys.MODULE_NAME, "module for built-ins serialization")
             }
 
-            val environment = KotlinCoreEnvironment.createForTests(rootDisposable, configuration, EnvironmentConfigFiles.JVM_CONFIG_FILES)
+            val environment = KotlinCoreEnvironment.createForProduction(rootDisposable, configuration, EnvironmentConfigFiles.JVM_CONFIG_FILES)
 
             serialize(environment)