diff --git a/js/js.tests/test/org/jetbrains/kotlin/js/test/BasicIrBoxTest.kt b/js/js.tests/test/org/jetbrains/kotlin/js/test/BasicIrBoxTest.kt
index 4a9f678b949..a6f3e8405c3 100644
--- a/js/js.tests/test/org/jetbrains/kotlin/js/test/BasicIrBoxTest.kt
+++ b/js/js.tests/test/org/jetbrains/kotlin/js/test/BasicIrBoxTest.kt
@@ -68,15 +68,13 @@ private val runtimeSources = listOfKtFilesFrom(
 
     // Full version is defined in stdlib
     // This file is useful for smaller subset of runtime sources
-    "libraries/stdlib/js/irRuntime/rangeExtensions.kt",
-
-    // TODO: Reuse coroutine code from common (and current JS BE?)
-    "libraries/stdlib/js/src/kotlin/coroutines.kt",
-    "libraries/stdlib/js/src/kotlin/coroutinesIntrinsics.kt",
-    "libraries/stdlib/src/kotlin/coroutines"
+    "libraries/stdlib/js/irRuntime/rangeExtensions.kt"
 ) + listOfKtFilesFrom(
-    "libraries/stdlib/src/kotlin/coroutines/experimental/SequenceBuilder.kt",
-    "libraries/stdlib/src/kotlin/coroutines/experimental/Coroutines.kt"
+    // TODO share more coroutine code between JS BEs
+    "libraries/stdlib/coroutines-experimental/src/kotlin/coroutines/experimental/SequenceBuilder.kt",
+    "libraries/stdlib/coroutines-experimental/src/kotlin/coroutines/experimental/Coroutines.kt",
+    "libraries/stdlib/coroutines-experimental/src/kotlin/coroutines/experimental/CoroutinesExperimentalH.kt",
+    "libraries/stdlib/coroutines-experimental/src/kotlin/coroutines/experimental/CoroutinesIntrinsicsExperimentalH.kt"
 )
 
 // Smaller set of sources missing a big part of stdlib
diff --git a/libraries/stdlib/js/irRuntime/hacks.kt b/libraries/stdlib/js/irRuntime/hacks.kt
index 738992ca2c0..679831d3cca 100644
--- a/libraries/stdlib/js/irRuntime/hacks.kt
+++ b/libraries/stdlib/js/irRuntime/hacks.kt
@@ -5,6 +5,8 @@
 
 package kotlin
 
+import kotlin.coroutines.experimental.SequenceBuilder
+
 // TODO: Ignore FunctionN interfaces
 
 public interface Function0<out R> : Function<R> {
@@ -25,3 +27,8 @@ public interface Function3<in P1, in P2, in P3, out R> : Function<R> {
 
 public inline fun <reified T> arrayOfNulls(size: Int): Array<T?> = js("[]")  // FIXME: Implement
 
+internal inline fun <T> buildSequence(noinline builderAction: suspend SequenceBuilder<T>.() -> Unit): Sequence<T> =
+    kotlin.coroutines.experimental.buildSequence(builderAction)
+
+internal inline fun <T> buildIterator(noinline builderAction: suspend SequenceBuilder<T>.() -> Unit): Iterator<T> =
+    kotlin.coroutines.experimental.buildIterator(builderAction)