diff --git a/compiler/cli/cli-js-klib/src/GenerateJsIrKlib.kt b/compiler/cli/cli-js-klib/src/GenerateJsIrKlib.kt
index 14bcc7f20e9..a3a64f22677 100644
--- a/compiler/cli/cli-js-klib/src/GenerateJsIrKlib.kt
+++ b/compiler/cli/cli-js-klib/src/GenerateJsIrKlib.kt
@@ -52,7 +52,9 @@ fun buildConfiguration(environment: KotlinCoreEnvironment, moduleName: String):
     return runtimeConfiguration
 }
 
-val environment = KotlinCoreEnvironment.createForTests(Disposable { }, CompilerConfiguration(), EnvironmentConfigFiles.JS_CONFIG_FILES)
+@Suppress("RedundantSamConstructor")
+private val environment =
+    KotlinCoreEnvironment.createForProduction(Disposable { }, CompilerConfiguration(), EnvironmentConfigFiles.JS_CONFIG_FILES)
 
 fun createPsiFile(fileName: String): KtFile {
     val psiManager = PsiManager.getInstance(environment.project)