diff --git a/libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/targets/js/ir/KotlinBrowserJsIr.kt b/libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/targets/js/ir/KotlinBrowserJsIr.kt
index 2bed64b6cb6..5ff7c4151f9 100644
--- a/libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/targets/js/ir/KotlinBrowserJsIr.kt
+++ b/libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/targets/js/ir/KotlinBrowserJsIr.kt
@@ -20,8 +20,11 @@ import org.jetbrains.kotlin.gradle.targets.js.webpack.KotlinWebpackConfig
 import org.jetbrains.kotlin.gradle.targets.js.webpack.KotlinWebpackConfig.Devtool
 import org.jetbrains.kotlin.gradle.targets.js.webpack.KotlinWebpackConfig.Mode
 import org.jetbrains.kotlin.gradle.tasks.registerTask
+import org.slf4j.LoggerFactory
 import javax.inject.Inject
 
+private val log = LoggerFactory.getLogger("org.jetbrains.kotlin.gradle.targets.js.ir")
+
 open class KotlinBrowserJsIr @Inject constructor(target: KotlinJsIrTarget) :
     KotlinJsIrSubTarget(target, "browser"),
     KotlinJsBrowserDsl {
@@ -56,7 +59,7 @@ open class KotlinBrowserJsIr @Inject constructor(target: KotlinJsIrTarget) :
 
     @ExperimentalDceDsl
     override fun dceTask(body: KotlinJsDce.() -> Unit) {
-        TODO("Not yet implemented")
+        log.warn("dceTask configuration is useless with IR compiler. Use @JsExport on declarations instead.")
     }
 
     override fun configureMain(compilation: KotlinJsIrCompilation) {
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 1638f820f5c..96d66f6ce01 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
@@ -16,6 +16,7 @@ import org.jetbrains.kotlin.gradle.plugin.KotlinCompilation
 import org.jetbrains.kotlin.gradle.plugin.mpp.KotlinJsCompilation
 import org.jetbrains.kotlin.gradle.targets.js.KotlinJsTarget
 import org.jetbrains.kotlin.gradle.targets.js.dsl.*
+import org.jetbrains.kotlin.gradle.targets.js.ir.KotlinBrowserJsIr
 import org.jetbrains.kotlin.gradle.targets.js.nodejs.NodeJsRootPlugin
 import org.jetbrains.kotlin.gradle.targets.js.npm.npmProject
 import org.jetbrains.kotlin.gradle.targets.js.testing.KotlinJsTest
@@ -43,14 +44,17 @@ open class KotlinBrowserJs @Inject constructor(target: KotlinJsTarget) :
     override val testTaskDescription: String
         get() = "Run all ${target.name} tests inside browser using karma and webpack"
 
+    private val irBrowser: KotlinBrowserJsIr?
+        get() = target.irTarget?.browser
+
     override fun produceKotlinLibrary() {
         super.produceKotlinLibrary()
-        target.irTarget?.browser?.produceKotlinLibrary()
+        irBrowser?.produceKotlinLibrary()
     }
 
     override fun produceExecutable() {
         super.produceExecutable()
-        target.irTarget?.browser?.produceExecutable()
+        irBrowser?.produceExecutable()
     }
 
     override fun configureDefaultTestFramework(testTask: KotlinJsTest) {
@@ -61,20 +65,29 @@ open class KotlinBrowserJs @Inject constructor(target: KotlinJsTarget) :
 
     override fun runTask(body: KotlinWebpack.() -> Unit) {
         commonRunConfigurations.add(body)
+        irBrowser?.runTask(body)
     }
 
     @ExperimentalDistributionDsl
     override fun distribution(body: Distribution.() -> Unit) {
         distribution.body()
+        target.irTarget?.browser?.distribution(body)
     }
 
     override fun webpackTask(body: KotlinWebpack.() -> Unit) {
         commonWebpackConfigurations.add(body)
+        irBrowser?.webpackTask(body)
     }
 
     @ExperimentalDceDsl
     override fun dceTask(body: KotlinJsDce.() -> Unit) {
         dceConfigurations.add(body)
+        irBrowser?.dceTask(body)
+    }
+
+    override fun testTask(body: KotlinJsTest.() -> Unit) {
+        super<KotlinJsSubTarget>.testTask(body)
+        irBrowser?.testTask(body)
     }
 
     override fun configureMain(compilation: KotlinJsCompilation) {
diff --git a/libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/targets/js/subtargets/KotlinNodeJs.kt b/libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/targets/js/subtargets/KotlinNodeJs.kt
index b067ada6bcf..d38793f0b31 100644
--- a/libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/targets/js/subtargets/KotlinNodeJs.kt
+++ b/libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/targets/js/subtargets/KotlinNodeJs.kt
@@ -8,6 +8,7 @@ package org.jetbrains.kotlin.gradle.targets.js.subtargets
 import org.jetbrains.kotlin.gradle.plugin.mpp.KotlinJsCompilation
 import org.jetbrains.kotlin.gradle.targets.js.KotlinJsTarget
 import org.jetbrains.kotlin.gradle.targets.js.dsl.KotlinJsNodeDsl
+import org.jetbrains.kotlin.gradle.targets.js.ir.KotlinNodeJsIr
 import org.jetbrains.kotlin.gradle.targets.js.nodejs.NodeJsExec
 import org.jetbrains.kotlin.gradle.targets.js.testing.KotlinJsTest
 import javax.inject.Inject
@@ -20,18 +21,27 @@ open class KotlinNodeJs @Inject constructor(target: KotlinJsTarget) :
 
     private val runTaskName = disambiguateCamelCased("run")
 
+    private val irNodejs: KotlinNodeJsIr?
+        get() = target.irTarget?.nodejs
+
     override fun produceKotlinLibrary() {
         super.produceKotlinLibrary()
-        target.irTarget?.nodejs?.produceKotlinLibrary()
+        irNodejs?.produceKotlinLibrary()
     }
 
     override fun produceExecutable() {
         super.produceExecutable()
-        target.irTarget?.nodejs?.produceExecutable()
+        irNodejs?.produceExecutable()
     }
 
     override fun runTask(body: NodeJsExec.() -> Unit) {
         (project.tasks.getByName(runTaskName) as NodeJsExec).body()
+        irNodejs?.runTask(body)
+    }
+
+    override fun testTask(body: KotlinJsTest.() -> Unit) {
+        super<KotlinJsSubTarget>.testTask(body)
+        irNodejs?.testTask(body)
     }
 
     override fun configureDefaultTestFramework(testTask: KotlinJsTest) {