diff --git a/spring-session-samples/spring-session-sample-boot-hazelcast/spring-session-sample-boot-hazelcast.gradle b/spring-session-samples/spring-session-sample-boot-hazelcast/spring-session-sample-boot-hazelcast.gradle
index b8d2b97d..6993c505 100644
--- a/spring-session-samples/spring-session-sample-boot-hazelcast/spring-session-sample-boot-hazelcast.gradle
+++ b/spring-session-samples/spring-session-sample-boot-hazelcast/spring-session-sample-boot-hazelcast.gradle
@@ -1,19 +1,18 @@
 apply plugin: 'io.spring.convention.spring-sample-boot'
 
 dependencies {
-    compile project(':spring-session-hazelcast')
-    compile "org.springframework.boot:spring-boot-starter-web"
-    compile "org.springframework.boot:spring-boot-starter-thymeleaf"
-    compile "org.springframework.boot:spring-boot-starter-security"
-    compile "com.hazelcast:hazelcast-client"
-    compile "nz.net.ultraq.thymeleaf:thymeleaf-layout-dialect"
-    compile "org.webjars:bootstrap"
-    compile "org.webjars:html5shiv"
-    compile "org.webjars:webjars-locator-core"
+	compile project(':spring-session-hazelcast')
+	compile "org.springframework.boot:spring-boot-starter-web"
+	compile "org.springframework.boot:spring-boot-starter-thymeleaf"
+	compile "org.springframework.boot:spring-boot-starter-security"
+	compile "com.hazelcast:hazelcast"
+	compile "nz.net.ultraq.thymeleaf:thymeleaf-layout-dialect"
+	compile "org.webjars:bootstrap"
+	compile "org.webjars:html5shiv"
+	compile "org.webjars:webjars-locator-core"
 
-    testCompile "org.springframework.boot:spring-boot-starter-test"
-    testCompile "org.junit.jupiter:junit-jupiter-api"
-    testRuntime "org.junit.jupiter:junit-jupiter-engine"
-    integrationTestCompile seleniumDependencies
-    integrationTestCompile "org.testcontainers:testcontainers"
+	testCompile "org.springframework.boot:spring-boot-starter-test"
+	testCompile "org.junit.jupiter:junit-jupiter-api"
+	testRuntime "org.junit.jupiter:junit-jupiter-engine"
+	integrationTestCompile seleniumDependencies
 }
diff --git a/spring-session-samples/spring-session-sample-boot-hazelcast/src/integration-test/java/sample/BootTests.java b/spring-session-samples/spring-session-sample-boot-hazelcast/src/integration-test/java/sample/BootTests.java
index 2d5b8abd..bd4df824 100644
--- a/spring-session-samples/spring-session-sample-boot-hazelcast/src/integration-test/java/sample/BootTests.java
+++ b/spring-session-samples/spring-session-sample-boot-hazelcast/src/integration-test/java/sample/BootTests.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2020 the original author or authors.
+ * Copyright 2014-2021 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -19,9 +19,7 @@ package sample;
 import org.junit.jupiter.api.AfterEach;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
-import org.junit.jupiter.api.extension.ExtendWith;
 import org.openqa.selenium.WebDriver;
-import org.testcontainers.containers.GenericContainer;
 import sample.pages.HomePage;
 import sample.pages.LoginPage;
 
@@ -29,22 +27,16 @@ import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.test.autoconfigure.web.servlet.AutoConfigureMockMvc;
 import org.springframework.boot.test.context.SpringBootTest;
 import org.springframework.boot.test.context.SpringBootTest.WebEnvironment;
-import org.springframework.boot.test.context.TestConfiguration;
-import org.springframework.context.annotation.Bean;
-import org.springframework.test.context.junit.jupiter.SpringExtension;
 import org.springframework.test.web.servlet.MockMvc;
 import org.springframework.test.web.servlet.htmlunit.webdriver.MockMvcHtmlUnitDriverBuilder;
 
 /**
  * @author Ellie Bahadori
  */
-@ExtendWith(SpringExtension.class)
 @AutoConfigureMockMvc
 @SpringBootTest(webEnvironment = WebEnvironment.MOCK)
 class BootTests {
 
-	private static final String DOCKER_IMAGE = "hazelcast/hazelcast:latest";
-
 	@Autowired
 	private MockMvc mockMvc;
 
@@ -83,16 +75,4 @@ class BootTests {
 		login.assertAt();
 	}
 
-	@TestConfiguration
-	static class Config {
-
-		@Bean
-		GenericContainer hazelcastContainer() {
-			GenericContainer hazelcastContainer = new GenericContainer(DOCKER_IMAGE).withExposedPorts(5701);
-			hazelcastContainer.start();
-			return hazelcastContainer;
-		}
-
-	}
-
 }
diff --git a/spring-session-samples/spring-session-sample-boot-hazelcast/src/main/java/sample/config/SessionConfig.java b/spring-session-samples/spring-session-sample-boot-hazelcast/src/main/java/sample/config/SessionConfig.java
index d926b775..c54ad16c 100644
--- a/spring-session-samples/spring-session-sample-boot-hazelcast/src/main/java/sample/config/SessionConfig.java
+++ b/spring-session-samples/spring-session-sample-boot-hazelcast/src/main/java/sample/config/SessionConfig.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2020 the original author or authors.
+ * Copyright 2014-2021 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -34,7 +34,7 @@ import org.springframework.session.hazelcast.PrincipalNameExtractor;
 public class SessionConfig {
 
 	@Bean
-	public Config clientConfig() {
+	public Config hazelcastConfig() {
 		Config config = new Config();
 		NetworkConfig networkConfig = config.getNetworkConfig();
 		networkConfig.setPort(0);
diff --git a/spring-session-samples/spring-session-sample-boot-hazelcast4/spring-session-sample-boot-hazelcast4.gradle b/spring-session-samples/spring-session-sample-boot-hazelcast4/spring-session-sample-boot-hazelcast4.gradle
index 96c8ab27..2f7045dc 100644
--- a/spring-session-samples/spring-session-sample-boot-hazelcast4/spring-session-sample-boot-hazelcast4.gradle
+++ b/spring-session-samples/spring-session-sample-boot-hazelcast4/spring-session-sample-boot-hazelcast4.gradle
@@ -1,20 +1,19 @@
 apply plugin: 'io.spring.convention.spring-sample-boot'
 
 dependencies {
-    compile project(':spring-session-hazelcast')
-    compile project(':hazelcast4')
-    compile "org.springframework.boot:spring-boot-starter-web"
-    compile "org.springframework.boot:spring-boot-starter-thymeleaf"
-    compile "org.springframework.boot:spring-boot-starter-security"
-    compile "com.hazelcast:hazelcast:4.2.2"
-    compile "nz.net.ultraq.thymeleaf:thymeleaf-layout-dialect"
-    compile "org.webjars:bootstrap"
-    compile "org.webjars:html5shiv"
-    compile "org.webjars:webjars-locator-core"
+	compile project(':spring-session-hazelcast')
+	compile project(':hazelcast4')
+	compile "org.springframework.boot:spring-boot-starter-web"
+	compile "org.springframework.boot:spring-boot-starter-thymeleaf"
+	compile "org.springframework.boot:spring-boot-starter-security"
+	compile "com.hazelcast:hazelcast:4.2.2"
+	compile "nz.net.ultraq.thymeleaf:thymeleaf-layout-dialect"
+	compile "org.webjars:bootstrap"
+	compile "org.webjars:html5shiv"
+	compile "org.webjars:webjars-locator-core"
 
-    testCompile "org.springframework.boot:spring-boot-starter-test"
-    testCompile "org.junit.jupiter:junit-jupiter-api"
-    testRuntime "org.junit.jupiter:junit-jupiter-engine"
-    integrationTestCompile seleniumDependencies
-    integrationTestCompile "org.testcontainers:testcontainers"
+	testCompile "org.springframework.boot:spring-boot-starter-test"
+	testCompile "org.junit.jupiter:junit-jupiter-api"
+	testRuntime "org.junit.jupiter:junit-jupiter-engine"
+	integrationTestCompile seleniumDependencies
 }
diff --git a/spring-session-samples/spring-session-sample-boot-hazelcast4/src/integration-test/java/sample/BootTests.java b/spring-session-samples/spring-session-sample-boot-hazelcast4/src/integration-test/java/sample/BootTests.java
index 32212ce6..e947fa13 100644
--- a/spring-session-samples/spring-session-sample-boot-hazelcast4/src/integration-test/java/sample/BootTests.java
+++ b/spring-session-samples/spring-session-sample-boot-hazelcast4/src/integration-test/java/sample/BootTests.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2020 the original author or authors.
+ * Copyright 2014-2021 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -19,9 +19,7 @@ package sample;
 import org.junit.jupiter.api.AfterEach;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
-import org.junit.jupiter.api.extension.ExtendWith;
 import org.openqa.selenium.WebDriver;
-import org.testcontainers.containers.GenericContainer;
 import sample.pages.HomePage;
 import sample.pages.LoginPage;
 
@@ -29,19 +27,13 @@ import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.test.autoconfigure.web.servlet.AutoConfigureMockMvc;
 import org.springframework.boot.test.context.SpringBootTest;
 import org.springframework.boot.test.context.SpringBootTest.WebEnvironment;
-import org.springframework.boot.test.context.TestConfiguration;
-import org.springframework.context.annotation.Bean;
-import org.springframework.test.context.junit.jupiter.SpringExtension;
 import org.springframework.test.web.servlet.MockMvc;
 import org.springframework.test.web.servlet.htmlunit.webdriver.MockMvcHtmlUnitDriverBuilder;
 
-@ExtendWith(SpringExtension.class)
 @AutoConfigureMockMvc
 @SpringBootTest(webEnvironment = WebEnvironment.MOCK)
 class BootTests {
 
-	private static final String DOCKER_IMAGE = "hazelcast/hazelcast:latest";
-
 	@Autowired
 	private MockMvc mockMvc;
 
@@ -80,16 +72,4 @@ class BootTests {
 		login.assertAt();
 	}
 
-	@TestConfiguration
-	static class Config {
-
-		@Bean
-		GenericContainer hazelcastContainer() {
-			GenericContainer hazelcastContainer = new GenericContainer(DOCKER_IMAGE).withExposedPorts(5701);
-			hazelcastContainer.start();
-			return hazelcastContainer;
-		}
-
-	}
-
 }
diff --git a/spring-session-samples/spring-session-sample-boot-hazelcast4/src/main/java/sample/config/SessionConfig.java b/spring-session-samples/spring-session-sample-boot-hazelcast4/src/main/java/sample/config/SessionConfig.java
index 06d95187..1e545e0a 100644
--- a/spring-session-samples/spring-session-sample-boot-hazelcast4/src/main/java/sample/config/SessionConfig.java
+++ b/spring-session-samples/spring-session-sample-boot-hazelcast4/src/main/java/sample/config/SessionConfig.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2020 the original author or authors.
+ * Copyright 2014-2021 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -35,7 +35,7 @@ import org.springframework.session.hazelcast.HazelcastSessionSerializer;
 public class SessionConfig {
 
 	@Bean
-	public Config clientConfig() {
+	public Config hazelcastConfig() {
 		Config config = new Config();
 		NetworkConfig networkConfig = config.getNetworkConfig();
 		networkConfig.setPort(0);