diff --git a/spring-5/src/test/java/com/baeldung/Example1ManualTest.java b/spring-5/src/test/java/com/baeldung/Example1ManualTest.java
deleted file mode 100644
index c3330b4213..0000000000
--- a/spring-5/src/test/java/com/baeldung/Example1ManualTest.java
+++ /dev/null
@@ -1,29 +0,0 @@
-package com.baeldung;
-
-import org.junit.Test;
-import org.junit.runner.RunWith;
-import org.springframework.boot.test.context.SpringBootTest;
-import org.springframework.test.context.junit4.SpringRunner;
-
-@RunWith(SpringRunner.class)
-@SpringBootTest
-public class Example1ManualTest {
-
-    @Test
-    public void test1a() {
-        block(3000);
-    }
-
-    @Test
-    public void test1b() {
-        block(3000);
-    }
-
-    public static void block(long ms) {
-        try {
-            Thread.sleep(ms);
-        } catch (InterruptedException e) {
-            System.out.println("Thread interrupted");
-        }
-    }
-}
diff --git a/spring-5/src/test/java/com/baeldung/Example2ManualTest.java b/spring-5/src/test/java/com/baeldung/Example2ManualTest.java
deleted file mode 100644
index 9c47b17fdb..0000000000
--- a/spring-5/src/test/java/com/baeldung/Example2ManualTest.java
+++ /dev/null
@@ -1,29 +0,0 @@
-package com.baeldung;
-
-import org.junit.Test;
-import org.junit.runner.RunWith;
-import org.springframework.boot.test.context.SpringBootTest;
-import org.springframework.test.context.junit4.SpringRunner;
-
-@RunWith(SpringRunner.class)
-@SpringBootTest
-public class Example2ManualTest {
-
-    @Test
-    public void test1a() {
-        block(3000);
-    }
-
-    @Test
-    public void test1b() {
-        block(3000);
-    }
-
-    public static void block(long ms) {
-        try {
-            Thread.sleep(ms);
-        } catch (InterruptedException e) {
-            System.out.println("Thread Interrupted");
-        }
-    }
-}
diff --git a/spring-5/src/test/java/com/baeldung/ParallelManualTest.java b/spring-5/src/test/java/com/baeldung/ParallelManualTest.java
deleted file mode 100644
index 5c3a111c62..0000000000
--- a/spring-5/src/test/java/com/baeldung/ParallelManualTest.java
+++ /dev/null
@@ -1,24 +0,0 @@
-package com.baeldung;
-
-import org.junit.Test;
-import org.junit.experimental.ParallelComputer;
-import org.junit.runner.Computer;
-import org.junit.runner.JUnitCore;
-
-public class ParallelManualTest {
-
-    @Test
-    public void runTests() {
-        final Class<?>[] classes = { Example1ManualTest.class, Example2ManualTest.class };
-
-        JUnitCore.runClasses(new Computer(), classes);
-    }
-
-    @Test
-    public void runTestsInParallel() {
-        final Class<?>[] classes = { Example1ManualTest.class, Example2ManualTest.class };
-
-        JUnitCore.runClasses(new ParallelComputer(true, true), classes);
-    }
-
-}
\ No newline at end of file
diff --git a/spring-5/src/test/java/com/baeldung/jupiter/Spring5JUnit5ParallelManualTest.java b/spring-5/src/test/java/com/baeldung/jupiter/Spring5JUnit5ParallelManualTest.java
deleted file mode 100644
index b9ed87ed73..0000000000
--- a/spring-5/src/test/java/com/baeldung/jupiter/Spring5JUnit5ParallelManualTest.java
+++ /dev/null
@@ -1,25 +0,0 @@
-package com.baeldung.jupiter;
-
-import com.baeldung.Example1ManualTest;
-import com.baeldung.Example2ManualTest;
-import org.junit.experimental.ParallelComputer;
-import org.junit.jupiter.api.Test;
-import org.junit.runner.Computer;
-import org.junit.runner.JUnitCore;
-
-class Spring5JUnit5ParallelManualTest {
-
-    @Test
-    void givenTwoTestClasses_whenJUnitRunParallel_thenTheTestsExecutingParallel() {
-        final Class<?>[] classes = { Example1ManualTest.class, Example2ManualTest.class };
-
-        JUnitCore.runClasses(new ParallelComputer(true, true), classes);
-    }
-
-    @Test
-    void givenTwoTestClasses_whenJUnitRunParallel_thenTheTestsExecutingLinear() {
-        final Class<?>[] classes = { Example1ManualTest.class, Example2ManualTest.class };
-
-        JUnitCore.runClasses(new Computer(), classes);
-    }
-}
\ No newline at end of file