diff --git a/buildSrc/src/main/kotlin/JsConfig.kt b/buildSrc/src/main/kotlin/JsConfig.kt
index cb7a85f..8f2698a 100644
--- a/buildSrc/src/main/kotlin/JsConfig.kt
+++ b/buildSrc/src/main/kotlin/JsConfig.kt
@@ -16,39 +16,22 @@
  */
 
 import org.gradle.api.Project
-import org.gradle.kotlin.dsl.the
-import org.gradle.kotlin.dsl.withType
 import org.jetbrains.kotlin.gradle.targets.js.dsl.KotlinJsTargetDsl
 import org.jetbrains.kotlin.gradle.targets.js.dsl.KotlinWasmJsTargetDsl
-import org.jetbrains.kotlin.gradle.targets.js.nodejs.NodeJsRootExtension
 
 
 inline fun KotlinJsTargetDsl.configJs(
     nodeJs: Boolean = true,
-    browser: Boolean = true,
     block: () -> Unit = {}
 ) {
     if (nodeJs) {
-        nodejs()
-//        {
-////            testTask {
-////                useMocha {
-////                    timeout = "10000"
-////                }
-////            }
-//        }
-    }
-
-    if (browser) {
-        browser()
-//        {
-//            testTask{
-//                useKarma {
-//                    useChromeHeadless()
-//                    // useConfigDirectory(File(project.rootProject.projectDir, "karma"))
-//                }
-//            }
-//        }
+        nodejs {
+            testTask {
+                useMocha {
+                    timeout = "10000"
+                }
+            }
+        }
     }
 
     binaries.library()
@@ -59,30 +42,24 @@ inline fun KotlinJsTargetDsl.configJs(
 fun Project.configJsTestTasks() {
     // val shouldRunJsBrowserTest = !hasProperty("teamcity") || hasProperty("enable-js-tests")
     // if (shouldRunJsBrowserTest) return
-    tasks.findByName("cleanJsBrowserTest")?.apply {
-        onlyIf { false }
-    }
-    tasks.findByName("jsBrowserTest")?.apply {
-        onlyIf { false }
-    }
+    // tasks.findByName("cleanJsBrowserTest")?.apply {
+    //     onlyIf { false }
+    // }
+    // tasks.findByName("jsBrowserTest")?.apply {
+    //     onlyIf { false }
+    // }
 }
 
 inline fun KotlinWasmJsTargetDsl.configWasmJs(
     nodeJs: Boolean = true,
-    browser: Boolean = true,
     block: () -> Unit = {}
 ) {
     if (nodeJs && isLinux) {
         // win in candy node `21.0.0-v8-canary202309143a48826a08` is not supported
-        // nodejs()
-    }
-
-    if (browser) {
-        browser {
-            testTask{
-                useKarma {
-                    useChromeHeadless()
-                    // useConfigDirectory(File(project.rootProject.projectDir, "karma"))
+        nodejs {
+            testTask {
+                useMocha {
+                    timeout = "10000"
                 }
             }
         }
@@ -93,18 +70,17 @@ inline fun KotlinWasmJsTargetDsl.configWasmJs(
 }
 
 inline fun Project.configWasmJsTest(block: () -> Unit = {}) {
-    if (false) {
-        // see https://youtrack.jetbrains.com/issue/KT-63014/Running-tests-with-wasmJs-in-1.9.20-requires-Chrome-Canary#focus=Comments-27-8321383.0-0
-        rootProject.the<NodeJsRootExtension>().apply {
-            // nodeVersion = "21.0.0-v8-canary202309143a48826a08"
-            version = "21.0.0-v8-canary202309143a48826a08"
-            downloadBaseUrl = "https://nodejs.org/download/v8-canary"
-        }
-
-        tasks.withType<org.jetbrains.kotlin.gradle.targets.js.npm.tasks.KotlinNpmInstallTask>().configureEach {
-            args.add("--ignore-engines")
-        }
-    }
-
+    // if (false) {
+    //     // see https://youtrack.jetbrains.com/issue/KT-63014/Running-tests-with-wasmJs-in-1.9.20-requires-Chrome-Canary#focus=Comments-27-8321383.0-0
+    //     rootProject.the<NodeJsRootExtension>().apply {
+    //         // nodeVersion = "21.0.0-v8-canary202309143a48826a08"
+    //         version = "21.0.0-v8-canary202309143a48826a08"
+    //         downloadBaseUrl = "https://nodejs.org/download/v8-canary"
+    //     }
+    //
+    //     tasks.withType<org.jetbrains.kotlin.gradle.targets.js.npm.tasks.KotlinNpmInstallTask>().configureEach {
+    //         args.add("--ignore-engines")
+    //     }
+    // }
     block()
 }