diff --git a/libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/targets/js/nodejs/NodeJsExec.kt b/libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/targets/js/nodejs/NodeJsExec.kt
index 0a218b8f7bb..48ee4b50625 100644
--- a/libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/targets/js/nodejs/NodeJsExec.kt
+++ b/libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/targets/js/nodejs/NodeJsExec.kt
@@ -29,17 +29,10 @@ open class NodeJsExec : AbstractExecTask<NodeJsExec>(NodeJsExec::class.java) {
         args("--require", moduleName)
     }
 
-    fun requireSourceMapSupport() {
-        require("kotlin-test-nodejs-runner/kotlin-nodejs-source-map-support.js")
-    }
-
     fun script(file: File) {
         check(script == null) {
             "Script was already set to $script"
         }
         script = file.canonicalFile.relativeToOrSelf(npmProject.nodeWorkDir).path
     }
-
-    fun compileOutput(compilationTask: Kotlin2JsCompile) =
-        script(npmProject.compileOutput(compilationTask))
 }
\ No newline at end of file
diff --git a/libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/targets/js/subtargets/KotlinBrowserJs.kt b/libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/targets/js/subtargets/KotlinBrowserJs.kt
index 847cd91a571..885b33efa79 100644
--- a/libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/targets/js/subtargets/KotlinBrowserJs.kt
+++ b/libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/targets/js/subtargets/KotlinBrowserJs.kt
@@ -53,14 +53,18 @@ class KotlinBrowserJs(target: KotlinJsTarget) :
 
         project.createOrRegisterTask<KotlinWebpack>(disambiguateCamelCased("run")) {
             val compileKotlinTask = compilation.compileKotlinTask
-            it.dependsOn(target.npmResolveTaskHolder.getTaskOrProvider(), compileKotlinTask)
+            it.dependsOn(
+                target.npmResolveTaskHolder.getTaskOrProvider(),
+                compileKotlinTask,
+                project.getTasksByName(compilation.processResourcesTaskName, false)
+            )
 
             it.bin = "webpack-dev-server"
             it.entry = npmProject.compileOutput(compileKotlinTask)
 
-            val projectDir = target.project.projectDir.canonicalPath
             it.devServer = KotlinWebpackConfig.DevServer(
-                contentBase = listOf("$projectDir/src/main/resources")
+                open = true,
+                contentBase = listOf(compilation.output.resourcesDir.canonicalPath)
             )
 
             it.outputs.upToDateWhen { false }