diff --git a/js/js.tests/test/org/jetbrains/k2js/test/semantics/RTTITest.java b/js/js.tests/test/org/jetbrains/k2js/test/semantics/RTTITest.java
index aea6d567ae7..459309f4e56 100644
--- a/js/js.tests/test/org/jetbrains/k2js/test/semantics/RTTITest.java
+++ b/js/js.tests/test/org/jetbrains/k2js/test/semantics/RTTITest.java
@@ -43,4 +43,12 @@ public class RTTITest extends SingleFileTranslationTest {
     public void testNotIsOtherClass() throws Exception {
         fooBoxTest();
     }
+
+    public void testCollectionClassesIsCheck() throws Exception {
+        checkFooBoxIsOk();
+    }
+
+    public void testStdlibEmptyListClass() throws Exception {
+        checkFooBoxIsOk();
+    }
 }
diff --git a/js/js.translator/testData/rtti/cases/collectionClassesIsCheck.kt b/js/js.translator/testData/rtti/cases/collectionClassesIsCheck.kt
new file mode 100644
index 00000000000..1e09f0fea12
--- /dev/null
+++ b/js/js.translator/testData/rtti/cases/collectionClassesIsCheck.kt
@@ -0,0 +1,97 @@
+// KT-2468 ArrayList<String> is List<String> or HashSet<String> is Set<String> fails in generated JS code
+package foo
+
+import java.util.*
+
+data class A
+
+fun checkAbstractList(obj: Any) {
+    assertTrue(obj is AbstractList<*>, "checkAbstractList: is AbstractList")
+    assertTrue(obj is MutableList<*>, "checkAbstractList: is MutableList")
+    assertTrue(obj is List<*>, "checkAbstractList: is List")
+    assertTrue(obj is AbstractCollection<*>, "checkAbstractList: is AbstractCollection")
+    assertTrue(obj is MutableCollection<*>, "checkAbstractList: is MutableCollection")
+    assertTrue(obj is Collection<*>, "checkAbstractList: is Collection")
+    assertTrue(obj is MutableIterable<*>, "checkAbstractList: is MutableIterable")
+    assertTrue(obj is Iterable<*>, "checkAbstractList: is Iterable")
+    assertTrue((obj as Iterable<*>).iterator() is Iterator, "checkAbstractList: iterator() is Iterator")
+}
+
+fun checkArrayList(obj: Any) {
+    assertTrue(obj is ArrayList<*>, "checkArrayList: is ArrayList")
+    assertTrue((obj as Iterable<*>).iterator() is MutableIterator, "checkAbstractList: iterator() is MutableIterator")
+    checkAbstractList(obj)
+}
+
+fun checkHashSet(obj: Any) {
+    assertTrue(obj is HashSet<*>, "checkHashSet: is HashSet")
+    assertTrue(obj is AbstractCollection<*>, "checkHashSet: is AbstractCollection")
+    assertTrue(obj is MutableCollection<*>, "checkHashSet: is MutableCollection")
+    assertTrue(obj is Collection<*>, "checkHashSet: is Collection")
+    assertTrue(obj is MutableIterable<*>, "checkHashSet: is MutableIterable")
+    assertTrue(obj is Iterable<*>, "checkHashSet: is Iterable")
+    assertTrue(obj is MutableSet<*>, "checkHashSet: is MutableSet")
+    assertTrue(obj is Set<*>, "checkHashSet: is Set")
+    assertTrue((obj as Set<*>).iterator() is Iterator, "checkHashSet: iterator() is Iterator")
+    assertTrue((obj as Set<*>).iterator() is MutableIterator, "checkHashSet: iterator() is MutableIterator")
+}
+
+fun checkLinkedHashSet(obj: Any) {
+    assertTrue(obj is LinkedHashSet<*>, "checkLinkedHashSet: is LinkedHashSet")
+    checkHashSet(obj)
+}
+
+fun checkHashMap(obj: Any) {
+    assertTrue(obj is HashMap<*, *>, "checkHashMap: is HashMap")
+    assertTrue(obj is MutableMap<*, *>, "checkHashMap: is MutableMap")
+    assertTrue(obj is Map<*, *>, "checkHashMap: is Map")
+    assertTrue((obj as Map<*, *>).values() is Collection, "checkHashMap: values() is Collection")
+    assertTrue((obj as Map<*, *>).keySet() is Set, "checkHashMap: keySet() is Set")
+}
+
+fun checkLinkedHashMap(obj: Any) {
+    assertTrue(obj is LinkedHashMap<*, *>, "checkLinkedHashMap: is LinkedHashMap")
+    checkHashMap(obj)
+}
+
+fun box(): String {
+
+    checkArrayList(ArrayList<Int>())
+    checkArrayList(arrayListOf(1, 2, 3))
+
+    checkArrayList(ArrayList<String>())
+    checkArrayList(arrayListOf("first", "second"))
+
+    checkArrayList(ArrayList<A>())
+    checkArrayList(arrayListOf(A()))
+
+    checkHashSet(HashSet<Int>())
+    checkHashSet(hashSetOf(1))
+    checkLinkedHashSet(LinkedHashSet<Int>(0))
+
+    checkHashSet(HashSet<Double>())
+    checkHashSet(hashSetOf(1.0))
+    checkLinkedHashSet(LinkedHashSet<Double>(0))
+
+    checkHashSet(HashSet<String>())
+    checkHashSet(hashSetOf("test"))
+    checkLinkedHashSet(LinkedHashSet<String>(0))
+
+    checkHashSet(HashSet<A>())
+    checkHashSet(hashSetOf(A()))
+    checkLinkedHashSet(LinkedHashSet<A>(0))
+
+    checkHashMap(HashMap<Int, String>())
+    checkHashMap(hashMapOf(1 to "test"))
+    checkLinkedHashMap(LinkedHashMap<Int, String>())
+
+    checkHashMap(HashMap<Double, String>())
+    checkHashMap(hashMapOf(1.0 to "test"))
+    checkLinkedHashMap(LinkedHashMap<Double, String>())
+
+    checkHashMap(HashMap<String, String>())
+    checkHashMap(HashMap<A, String>())
+    checkLinkedHashMap(LinkedHashMap<A, String>())
+
+    return "OK"
+}
\ No newline at end of file
diff --git a/js/js.translator/testData/rtti/cases/stdlibEmptyListClass.kt b/js/js.translator/testData/rtti/cases/stdlibEmptyListClass.kt
new file mode 100644
index 00000000000..ab230987b97
--- /dev/null
+++ b/js/js.translator/testData/rtti/cases/stdlibEmptyListClass.kt
@@ -0,0 +1,19 @@
+// KT-5192 JS compiler fails to generate correct code for List implementation
+package foo
+
+import java.util.ArrayList
+
+class stdlib_emptyListClass : List<Any> by ArrayList<Any>() {}
+
+fun box(): String {
+
+    assertTrue(stdlib_emptyListClass() is List<*>, "stdlib_emptyListClass() is List<*> #1")
+    assertTrue((stdlib_emptyListClass(): Any) is List<*>, "stdlib_emptyListClass() is List<*> #2")
+    assertTrue((stdlib_emptyListClass(): Any) !is ArrayList<*>, "stdlib_emptyListClass() !is ArrayList<*>")
+
+    assertTrue(stdlib_emptyListClass().isEmpty(), "stdlib_emptyListClass().isEmpty()")
+    assertTrue(stdlib_emptyListClass().size() == 0, "stdlib_emptyListClass().size() == 0")
+
+    return "OK"
+}
+
diff --git a/libraries/stdlib/test/collections/CollectionTest.kt b/libraries/stdlib/test/collections/CollectionTest.kt
index feac6802b72..8b5fc3bbdc7 100644
--- a/libraries/stdlib/test/collections/CollectionTest.kt
+++ b/libraries/stdlib/test/collections/CollectionTest.kt
@@ -30,10 +30,9 @@ class CollectionTest {
         assertEquals(2, foo.size)
         assertEquals(arrayListOf("foo", "bar"), foo)
 
-//        TODO uncomment this when KT-2468 will be fixed
-//        assertTrue {
-//            foo is List<String>
-//        }
+        assertTrue {
+            foo is List<String>
+        }
     }
 
     test fun mapNotNull() {
@@ -42,10 +41,9 @@ class CollectionTest {
         assertEquals(2, foo.size)
         assertEquals(arrayListOf(3, 3), foo)
 
-//        TODO uncomment this when KT-2468 will be fixed
-//        assertTrue {
-//            foo is List<Int>
-//        }
+        assertTrue {
+            foo is List<Int>
+        }
     }
 
     test fun filterIntoSet() {
diff --git a/libraries/stdlib/test/collections/IterableTests.kt b/libraries/stdlib/test/collections/IterableTests.kt
index 85d24879b46..dc6ff39d5bb 100644
--- a/libraries/stdlib/test/collections/IterableTests.kt
+++ b/libraries/stdlib/test/collections/IterableTests.kt
@@ -105,8 +105,7 @@ abstract class IterableTests<T : Iterable<String>>(val data: T, val empty: T) {
 
     Test fun filter() {
         val foo = data.filter { it.startsWith("f") }
-        // TODO uncomment this when KT-2468 will be fixed
-        //expect(true) { foo is List<String> }
+        expect(true) { foo is List<String> }
         expect(true) { foo.all { it.startsWith("f") } }
         expect(1) { foo.size }
         assertEquals(listOf("foo"), foo)
@@ -114,8 +113,7 @@ abstract class IterableTests<T : Iterable<String>>(val data: T, val empty: T) {
 
     Test fun filterNot() {
         val notFoo = data.filterNot { it.startsWith("f") }
-        // TODO uncomment this when KT-2468 will be fixed
-        //expect(true) { notFoo is List<String> }
+        expect(true) { notFoo is List<String> }
         expect(true) { notFoo.none { it.startsWith("f") } }
         expect(1) { notFoo.size }
         assertEquals(listOf("bar"), notFoo)