diff --git a/js/js.libraries/test/core/RegExpTest.kt b/js/js.libraries/test/core/RegExpTest.kt
index 3b1031ceb0c..bfa699cc9e9 100644
--- a/js/js.libraries/test/core/RegExpTest.kt
+++ b/js/js.libraries/test/core/RegExpTest.kt
@@ -56,12 +56,12 @@ class RegExpTest {
         val string = "R2D2 beats A5D5 "
         var re = RegExp("""(\w\d)(\w\d)""", "g")
         val m1 = re.exec(string)!!
-        assertEquals(array("R2D2", "R2", "D2"), m1)
+        assertEquals(arrayOf("R2D2", "R2", "D2"), m1)
         assertEquals(0, (m1 as RegExpMatch).index)
         assertEquals(4, re.lastIndex)
 
         val m2 = re.exec(string)!!
-        assertEquals(array("A5D5", "A5", "D5"), m2)
+        assertEquals(arrayOf("A5D5", "A5", "D5"), m2)
         assertEquals(string.indexOf(m2[0]!!), (m2 as RegExpMatch).index)
 
         val noMatch = re.exec(string)
diff --git a/libraries/examples/kotlin-java-example/src/test/java/test/kotlin/jtests/CollectionTest.java b/libraries/examples/kotlin-java-example/src/test/java/test/kotlin/jtests/CollectionTest.java
index 954f5d938a9..f907594932f 100644
--- a/libraries/examples/kotlin-java-example/src/test/java/test/kotlin/jtests/CollectionTest.java
+++ b/libraries/examples/kotlin-java-example/src/test/java/test/kotlin/jtests/CollectionTest.java
@@ -7,7 +7,6 @@ import java.util.Collection;
 import java.util.List;
 
 import static kotlin.KotlinPackage.*;
-import static kotlin.util.UtilPackage.*;
 
 /**
  * Lets try using the Kotlin standard library from Java code
@@ -15,9 +14,9 @@ import static kotlin.util.UtilPackage.*;
 public class CollectionTest extends TestCase {
 
     public void testCollections() throws Exception {
-        List<String> list = arrayList("foo", "bar");
+        List<String> list = arrayListOf("foo", "bar");
 
-        String text = makeString(list, ",", "(", ")", -1, "...");
+        String text = joinToString(list, ",", "(", ")", -1, "...", null);
         System.out.println("Have text: " + text);
         assertEquals("(foo,bar)", text);
 
@@ -29,6 +28,6 @@ public class CollectionTest extends TestCase {
         });
 
         System.out.println("Filtered list is " + actual);
-        assertEquals("(bar)", makeString(actual, ",", "(", ")", -1, "..."));
+        assertEquals("(bar)", joinToString(actual, ",", "(", ")", -1, "...", null));
     }
 }