diff --git a/testing-modules/parallel-tests-junit/src/test/java/com/baeldung/StringFunctionTest.java b/testing-modules/parallel-tests-junit/src/test/java/com/baeldung/StringFunctionTest.java
deleted file mode 100644
index 9adfea8ff0..0000000000
--- a/testing-modules/parallel-tests-junit/src/test/java/com/baeldung/StringFunctionTest.java
+++ /dev/null
@@ -1,18 +0,0 @@
-package com.baeldung;
-
-import static org.junit.Assert.assertEquals;
-
-import org.junit.Test;
-
-public class StringFunctionTest {
-
-    @Test
-    public void test_upperCase() {
-        assertEquals("TESTCASE", "testCase".toUpperCase());
-    }
-
-    @Test
-    public void test_indexOf() {
-        assertEquals(1, "testCase".indexOf("e"));
-    }
-}