diff --git a/build.gradle.kts b/build.gradle.kts
index 2235321..11fa6a4 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -9,7 +9,6 @@ fun kotlinw(target: String): String =
 
 kotlin {
     js {
-        useEsModules()
         browser {
             commonWebpackConfig {
                 outputFileName = "index.js"