diff --git a/core-java/src/test/java/org/baeldung/java/CollectionsJoinAndSplitJUnitTest.java b/core-java/src/test/java/org/baeldung/java/CollectionsJoinAndSplitJUnitTest.java
deleted file mode 100644
index 9d7b306c1f..0000000000
--- a/core-java/src/test/java/org/baeldung/java/CollectionsJoinAndSplitJUnitTest.java
+++ /dev/null
@@ -1,78 +0,0 @@
-package org.baeldung.java.collections;
-
-import java.util.ArrayList;
-
-import org.junit.Assert;
-import org.junit.Test;
-
-
-//import java.util.AbstractSet;
-
-public class CollectionsJoinAndSplitJUnitTest {
-
-    public ArrayList<String> sauces = new ArrayList<String>();
-    public ArrayList<String> cheeses = new ArrayList<String>();
-    public ArrayList<String> vegetables = new ArrayList<String>();
-    
-    public ArrayList<ArrayList<String>> ingredients = new ArrayList<ArrayList<String>>();
-
-    public CollectionsJoinAndSplitJUnitTest() throws Exception {
-        //generate test data
-        whenGeneratingTestData_ShouldSucceed();
-    }
-
-    @Test
-    public void whenGeneratingTestData_ShouldSucceed() throws Exception {
-        sauces.clear();
-        sauces.add("Olive Oil");
-        sauces.add("Marinara");
-        
-        cheeses.clear();
-        cheeses.add("Mozarella");
-        cheeses.add("Feta");
-        cheeses.add("Parmesan");
-        
-        vegetables.clear();
-        vegetables.add("Olives");
-        vegetables.add("Spinach");
-        vegetables.add("Green Peppers");
-        
-        ingredients.clear();
-        ingredients.add(sauces);
-        ingredients.add(cheeses);
-        ingredients.add(vegetables);
-
-        Assert.assertTrue(sauces.size() == 2);
-        Assert.assertTrue(cheeses.size() == 3);
-        Assert.assertTrue(vegetables.size() == 3);
-        Assert.assertTrue(ingredients.size() == 3);
-    }
-        
-    @Test
-    public void givenThreeArrayLists_whenJoiningIntoOneArrayList_ShouldSucceed() throws Exception {
-        ArrayList<ArrayList<String>> toppings = new ArrayList<ArrayList<String>>();
-        
-        toppings.add(sauces);
-        toppings.add(cheeses);
-        toppings.add(vegetables);
-
-        Assert.assertTrue(toppings.size() == 3);
-        Assert.assertTrue(toppings.contains(sauces));
-        Assert.assertTrue(toppings.contains(cheeses));
-        Assert.assertTrue(toppings.contains(vegetables));
-    }
-    
-   @Test
-   public void givenOneArrayList_whenSplittingIntoTwoArrayLists_shouldSucceed() throws Exception {
-       ArrayList<ArrayList<String>> toppings = ingredients;
-       ArrayList<ArrayList<String>> removedToppings = new ArrayList<ArrayList<String>>(); 
-       
-       removedToppings.add(toppings.remove(toppings.indexOf(vegetables)));
-       
-       Assert.assertTrue(removedToppings.contains(vegetables));
-       Assert.assertTrue(removedToppings.size() == 1);
-       Assert.assertTrue(toppings.size() == 2);
-       Assert.assertTrue(toppings.contains(sauces));
-       Assert.assertTrue(toppings.contains(cheeses));
-   }
-}