diff --git a/first-part/hw-03/project-root/app/src/main/java/org/example/App.java b/first-part/hw-03/project-root/app/src/main/java/org/example/App.java
deleted file mode 100644
index 18b15d7..0000000
--- a/first-part/hw-03/project-root/app/src/main/java/org/example/App.java
+++ /dev/null
@@ -1,79 +0,0 @@
-/*
- * This source file was generated by the Gradle 'init' task
- */
-package org.example;
-
-import org.example.adapter.*;
-import org.example.builder.*;
-import org.example.chain.*;
-import org.example.decorator.*;
-import org.example.proxy.*;
-import org.example.strategy.*;
-
-public class App {
-  public static void main(String[] args) {
-    run();
-  }
-
-  private static void run() {
-    checkAdapterPattern();
-
-    checkBuilderPattern();
-
-    checkChainPattern();
-
-    checkDecoratorPattern();
-
-    checkProxyPattern();
-
-    checkStrategyPattern();
-  }
-
-  private static void checkAdapterPattern() {
-    Adaptee adaptee = new Adaptee();
-    Target target = new Adapter(adaptee);
-
-    target.methodWithoutArguments();
-  }
-
-  private static void checkBuilderPattern() {
-    Product product =
-        new ProductBuilder().setFirst("first").setSecond("second").setThird(3).build();
-
-    System.out.println(product);
-  }
-
-  private static void checkChainPattern() {
-    Handler handler = new ConcreteHandlerA();
-    handler.setNext(new ConcreteHandlerB());
-
-    handler.handle(42);
-    handler.handle("Hello");
-  }
-
-  private static void checkDecoratorPattern() {
-    Component component = new ConcreteComponent();
-    Component decorator = new ConcreteDecorator(component);
-
-    decorator.operation();
-  }
-
-  private static void checkProxyPattern() {
-    Service service = new ConcreteService();
-    Service proxy = new ServiceProxy(service);
-
-    proxy.execute();
-  }
-
-  private static void checkStrategyPattern() {
-    Context context = new Context(new ConcreteStrategyA());
-
-    boolean crayfishWhistled = true; // Если рак на горе свистнул
-
-    if (crayfishWhistled) {
-      context.setStrategy(new ConcreteStrategyB());
-    }
-
-    context.executeStrategy();
-  }
-}
diff --git a/second-part/hw-01/solution/app/src/main/java/org/example/App.java b/second-part/hw-01/solution/app/src/main/java/org/example/App.java
deleted file mode 100644
index e7e1af9..0000000
--- a/second-part/hw-01/solution/app/src/main/java/org/example/App.java
+++ /dev/null
@@ -1,14 +0,0 @@
-/*
- * This source file was generated by the Gradle 'init' task
- */
-package org.example;
-
-public class App {
-    public String getGreeting() {
-        return "Hello World!";
-    }
-
-    public static void main(String[] args) {
-        System.out.println(new App().getGreeting());
-    }
-}
diff --git a/second-part/hw-01/solution/app/src/test/java/org/example/AppTest.java b/second-part/hw-01/solution/app/src/test/java/org/example/AppTest.java
deleted file mode 100644
index f5ce33d..0000000
--- a/second-part/hw-01/solution/app/src/test/java/org/example/AppTest.java
+++ /dev/null
@@ -1,14 +0,0 @@
-/*
- * This source file was generated by the Gradle 'init' task
- */
-package org.example;
-
-import org.junit.jupiter.api.Test;
-import static org.junit.jupiter.api.Assertions.*;
-
-class AppTest {
-    @Test void appHasAGreeting() {
-        App classUnderTest = new App();
-        assertNotNull(classUnderTest.getGreeting(), "app should have a greeting");
-    }
-}
diff --git a/second-part/hw-02/user-service/src/main/java/com/example/App.java b/second-part/hw-02/user-service/src/main/java/com/example/App.java
deleted file mode 100644
index daa6d08..0000000
--- a/second-part/hw-02/user-service/src/main/java/com/example/App.java
+++ /dev/null
@@ -1,10 +0,0 @@
-package com.example;
-
-/**
- * Hello world!
- */
-public class App {
-    public static void main(String[] args) {
-        System.out.println("Hello World!");
-    }
-}
diff --git a/second-part/hw-02/user-service/src/test/java/com/example/AppTest.java b/second-part/hw-02/user-service/src/test/java/com/example/AppTest.java
deleted file mode 100644
index e4db7b5..0000000
--- a/second-part/hw-02/user-service/src/test/java/com/example/AppTest.java
+++ /dev/null
@@ -1,19 +0,0 @@
-package com.example;
-
-import static org.junit.jupiter.api.Assertions.assertTrue;
-
-import org.junit.jupiter.api.Test;
-
-/**
- * Unit test for simple App.
- */
-public class AppTest {
-
-    /**
-     * Rigorous Test :-)
-     */
-    @Test
-    public void shouldAnswerWithTrue() {
-        assertTrue(true);
-    }
-}
diff --git a/second-part/hw-03/solution/app/src/main/java/org/example/App.java b/second-part/hw-03/solution/app/src/main/java/org/example/App.java
deleted file mode 100644
index e7e1af9..0000000
--- a/second-part/hw-03/solution/app/src/main/java/org/example/App.java
+++ /dev/null
@@ -1,14 +0,0 @@
-/*
- * This source file was generated by the Gradle 'init' task
- */
-package org.example;
-
-public class App {
-    public String getGreeting() {
-        return "Hello World!";
-    }
-
-    public static void main(String[] args) {
-        System.out.println(new App().getGreeting());
-    }
-}
diff --git a/second-part/hw-03/solution/app/src/test/java/org/example/AppTest.java b/second-part/hw-03/solution/app/src/test/java/org/example/AppTest.java
deleted file mode 100644
index f5ce33d..0000000
--- a/second-part/hw-03/solution/app/src/test/java/org/example/AppTest.java
+++ /dev/null
@@ -1,14 +0,0 @@
-/*
- * This source file was generated by the Gradle 'init' task
- */
-package org.example;
-
-import org.junit.jupiter.api.Test;
-import static org.junit.jupiter.api.Assertions.*;
-
-class AppTest {
-    @Test void appHasAGreeting() {
-        App classUnderTest = new App();
-        assertNotNull(classUnderTest.getGreeting(), "app should have a greeting");
-    }
-}
diff --git a/second-part/hw-04/solution/app/src/main/java/org/example/App.java b/second-part/hw-04/solution/app/src/main/java/org/example/App.java
deleted file mode 100644
index e7e1af9..0000000
--- a/second-part/hw-04/solution/app/src/main/java/org/example/App.java
+++ /dev/null
@@ -1,14 +0,0 @@
-/*
- * This source file was generated by the Gradle 'init' task
- */
-package org.example;
-
-public class App {
-    public String getGreeting() {
-        return "Hello World!";
-    }
-
-    public static void main(String[] args) {
-        System.out.println(new App().getGreeting());
-    }
-}
diff --git a/second-part/hw-04/solution/app/src/test/java/org/example/AppTest.java b/second-part/hw-04/solution/app/src/test/java/org/example/AppTest.java
deleted file mode 100644
index f5ce33d..0000000
--- a/second-part/hw-04/solution/app/src/test/java/org/example/AppTest.java
+++ /dev/null
@@ -1,14 +0,0 @@
-/*
- * This source file was generated by the Gradle 'init' task
- */
-package org.example;
-
-import org.junit.jupiter.api.Test;
-import static org.junit.jupiter.api.Assertions.*;
-
-class AppTest {
-    @Test void appHasAGreeting() {
-        App classUnderTest = new App();
-        assertNotNull(classUnderTest.getGreeting(), "app should have a greeting");
-    }
-}
diff --git a/second-part/hw-05/solution/app/src/main/java/org/example/App.java b/second-part/hw-05/solution/app/src/main/java/org/example/App.java
deleted file mode 100644
index e7e1af9..0000000
--- a/second-part/hw-05/solution/app/src/main/java/org/example/App.java
+++ /dev/null
@@ -1,14 +0,0 @@
-/*
- * This source file was generated by the Gradle 'init' task
- */
-package org.example;
-
-public class App {
-    public String getGreeting() {
-        return "Hello World!";
-    }
-
-    public static void main(String[] args) {
-        System.out.println(new App().getGreeting());
-    }
-}
diff --git a/second-part/hw-05/solution/app/src/test/java/org/example/AppTest.java b/second-part/hw-05/solution/app/src/test/java/org/example/AppTest.java
deleted file mode 100644
index f5ce33d..0000000
--- a/second-part/hw-05/solution/app/src/test/java/org/example/AppTest.java
+++ /dev/null
@@ -1,14 +0,0 @@
-/*
- * This source file was generated by the Gradle 'init' task
- */
-package org.example;
-
-import org.junit.jupiter.api.Test;
-import static org.junit.jupiter.api.Assertions.*;
-
-class AppTest {
-    @Test void appHasAGreeting() {
-        App classUnderTest = new App();
-        assertNotNull(classUnderTest.getGreeting(), "app should have a greeting");
-    }
-}
diff --git a/second-part/hw-06/solution/app/src/main/java/org/example/App.java b/second-part/hw-06/solution/app/src/main/java/org/example/App.java
deleted file mode 100644
index e7e1af9..0000000
--- a/second-part/hw-06/solution/app/src/main/java/org/example/App.java
+++ /dev/null
@@ -1,14 +0,0 @@
-/*
- * This source file was generated by the Gradle 'init' task
- */
-package org.example;
-
-public class App {
-    public String getGreeting() {
-        return "Hello World!";
-    }
-
-    public static void main(String[] args) {
-        System.out.println(new App().getGreeting());
-    }
-}
diff --git a/second-part/hw-06/solution/app/src/test/java/org/example/AppTest.java b/second-part/hw-06/solution/app/src/test/java/org/example/AppTest.java
deleted file mode 100644
index f5ce33d..0000000
--- a/second-part/hw-06/solution/app/src/test/java/org/example/AppTest.java
+++ /dev/null
@@ -1,14 +0,0 @@
-/*
- * This source file was generated by the Gradle 'init' task
- */
-package org.example;
-
-import org.junit.jupiter.api.Test;
-import static org.junit.jupiter.api.Assertions.*;
-
-class AppTest {
-    @Test void appHasAGreeting() {
-        App classUnderTest = new App();
-        assertNotNull(classUnderTest.getGreeting(), "app should have a greeting");
-    }
-}
diff --git a/second-part/hw-07/solution/app/src/main/java/org/example/App.java b/second-part/hw-07/solution/app/src/main/java/org/example/App.java
deleted file mode 100644
index e7e1af9..0000000
--- a/second-part/hw-07/solution/app/src/main/java/org/example/App.java
+++ /dev/null
@@ -1,14 +0,0 @@
-/*
- * This source file was generated by the Gradle 'init' task
- */
-package org.example;
-
-public class App {
-    public String getGreeting() {
-        return "Hello World!";
-    }
-
-    public static void main(String[] args) {
-        System.out.println(new App().getGreeting());
-    }
-}
diff --git a/second-part/hw-07/solution/app/src/test/java/org/example/AppTest.java b/second-part/hw-07/solution/app/src/test/java/org/example/AppTest.java
deleted file mode 100644
index f5ce33d..0000000
--- a/second-part/hw-07/solution/app/src/test/java/org/example/AppTest.java
+++ /dev/null
@@ -1,14 +0,0 @@
-/*
- * This source file was generated by the Gradle 'init' task
- */
-package org.example;
-
-import org.junit.jupiter.api.Test;
-import static org.junit.jupiter.api.Assertions.*;
-
-class AppTest {
-    @Test void appHasAGreeting() {
-        App classUnderTest = new App();
-        assertNotNull(classUnderTest.getGreeting(), "app should have a greeting");
-    }
-}
diff --git a/second-part/hw-08/solution/app/src/main/java/org/example/App.java b/second-part/hw-08/solution/app/src/main/java/org/example/App.java
deleted file mode 100644
index e7e1af9..0000000
--- a/second-part/hw-08/solution/app/src/main/java/org/example/App.java
+++ /dev/null
@@ -1,14 +0,0 @@
-/*
- * This source file was generated by the Gradle 'init' task
- */
-package org.example;
-
-public class App {
-    public String getGreeting() {
-        return "Hello World!";
-    }
-
-    public static void main(String[] args) {
-        System.out.println(new App().getGreeting());
-    }
-}
diff --git a/second-part/hw-08/solution/app/src/test/java/org/example/AppTest.java b/second-part/hw-08/solution/app/src/test/java/org/example/AppTest.java
deleted file mode 100644
index f5ce33d..0000000
--- a/second-part/hw-08/solution/app/src/test/java/org/example/AppTest.java
+++ /dev/null
@@ -1,14 +0,0 @@
-/*
- * This source file was generated by the Gradle 'init' task
- */
-package org.example;
-
-import org.junit.jupiter.api.Test;
-import static org.junit.jupiter.api.Assertions.*;
-
-class AppTest {
-    @Test void appHasAGreeting() {
-        App classUnderTest = new App();
-        assertNotNull(classUnderTest.getGreeting(), "app should have a greeting");
-    }
-}