diff --git a/spring-boot-tests/spring-boot-smoke-tests/spring-boot-smoke-test-webflux-ssl/build.gradle b/spring-boot-tests/spring-boot-smoke-tests/spring-boot-smoke-test-webflux-ssl/build.gradle
deleted file mode 100644
index 91c7ceda3d29068828345703a0d1e7c005f55760..0000000000000000000000000000000000000000
--- a/spring-boot-tests/spring-boot-smoke-tests/spring-boot-smoke-test-webflux-ssl/build.gradle
+++ /dev/null
@@ -1,52 +0,0 @@
-plugins {
-	id "java"
-	id "org.springframework.boot.conventions"
-	id "org.springframework.boot.integration-test"
-}
-
-description = "Spring Boot WebFlux SSL smoke test"
-
-
-configurations {
-	app
-}
-
-dependencies {
-	app project(path: ":spring-boot-project:spring-boot-dependencies", configuration: "mavenRepository")
-	app project(path: ":spring-boot-project:spring-boot-parent", configuration: "mavenRepository")
-	app project(path: ":spring-boot-project:spring-boot-tools:spring-boot-gradle-plugin", configuration: "mavenRepository")
-	app project(path: ":spring-boot-project:spring-boot-starters:spring-boot-starter-webflux", configuration: "mavenRepository")
-
-	testImplementation(enforcedPlatform(project(":spring-boot-project:spring-boot-parent")))
-	testImplementation(project(":spring-boot-project:spring-boot-tools:spring-boot-test-support"))
-	testImplementation(project(":spring-boot-project:spring-boot-starters:spring-boot-starter-test"))
-	testImplementation("org.testcontainers:junit-jupiter")
-	// For the WebClient in tests
-	testImplementation(project(":spring-boot-project:spring-boot-starters:spring-boot-starter-webflux"))
-}
-
-task syncMavenRepository(type: Sync) {
-	from configurations.app
-	into "${buildDir}/int-test-maven-repository"
-}
-
-task syncAppGradleFiles(type: org.springframework.boot.build.SyncAppSource) {
-	sourceDirectory = file("spring-boot-starter-webflux-tests-app")
-	destinationDirectory = file("${buildDir}/spring-boot-starter-webflux-tests-app")
-}
-
-task syncAppSource(type: org.springframework.boot.build.SyncAppSource) {
-	sourceDirectory = file("../spring-boot-smoke-test-webflux/src/main")
-	destinationDirectory = file("${buildDir}/spring-boot-starter-webflux-tests-app/src/main")
-}
-
-task buildApp(type: GradleBuild) {
-	dependsOn syncAppGradleFiles, syncAppSource, syncMavenRepository
-	dir = "${buildDir}/spring-boot-starter-webflux-tests-app"
-	startParameter.buildCacheEnabled = false
-	tasks  = ["build"]
-}
-
-test {
-	dependsOn buildApp
-}
diff --git a/spring-boot-tests/spring-boot-smoke-tests/spring-boot-smoke-test-webflux-ssl/spring-boot-starter-webflux-tests-app/build.gradle b/spring-boot-tests/spring-boot-smoke-tests/spring-boot-smoke-test-webflux-ssl/spring-boot-starter-webflux-tests-app/build.gradle
deleted file mode 100644
index 335f53c5737a0f34a74a8158308ca69889aa5dc3..0000000000000000000000000000000000000000
--- a/spring-boot-tests/spring-boot-smoke-tests/spring-boot-smoke-test-webflux-ssl/spring-boot-starter-webflux-tests-app/build.gradle
+++ /dev/null
@@ -1,31 +0,0 @@
-plugins {
-	id "java"
-	id "org.springframework.boot"
-}
-
-apply plugin: "io.spring.dependency-management"
-
-repositories {
-	maven { url "file:${rootDir}/../int-test-maven-repository"}
-	mavenCentral()
-	maven {
-		url "https://repo.spring.io/milestone"
-		content {
-			excludeGroup "org.springframework.boot"
-		}
-	}
-	maven {
-		url "https://repo.spring.io/snapshot"
-		content {
-			excludeGroup "org.springframework.boot"
-		}
-	}
-}
-
-dependencies {
-	implementation("org.springframework.boot:spring-boot-starter-webflux")
-}
-
-bootJar {
-	launchScript()
-}
\ No newline at end of file
diff --git a/spring-boot-tests/spring-boot-smoke-tests/spring-boot-smoke-test-webflux-ssl/spring-boot-starter-webflux-tests-app/settings.gradle b/spring-boot-tests/spring-boot-smoke-tests/spring-boot-smoke-test-webflux-ssl/spring-boot-starter-webflux-tests-app/settings.gradle
deleted file mode 100644
index 06d9554ad0d6b4ba9a7eea4d00cfd163a602e0c0..0000000000000000000000000000000000000000
--- a/spring-boot-tests/spring-boot-smoke-tests/spring-boot-smoke-test-webflux-ssl/spring-boot-starter-webflux-tests-app/settings.gradle
+++ /dev/null
@@ -1,15 +0,0 @@
-pluginManagement {
-	repositories {
-		maven { url "file:${rootDir}/../int-test-maven-repository"}
-		mavenCentral()
-		maven { url "https://repo.spring.io/snapshot" }
-		maven { url "https://repo.spring.io/milestone" }
-	}
-	resolutionStrategy {
-		eachPlugin {
-			if (requested.id.id == "org.springframework.boot") {
-				useModule "org.springframework.boot:spring-boot-gradle-plugin:${requested.version}"
-			}
-		}
-	}
-}
\ No newline at end of file
diff --git a/spring-boot-tests/spring-boot-smoke-tests/spring-boot-smoke-test-webflux-ssl/src/test/java/smoketest.webflux.ssl/EmbeddedNettySslServerWithPkcs11KeystoreTests.java b/spring-boot-tests/spring-boot-smoke-tests/spring-boot-smoke-test-webflux-ssl/src/test/java/smoketest.webflux.ssl/EmbeddedNettySslServerWithPkcs11KeystoreTests.java
deleted file mode 100644
index 5a11e8cdbd8ba179a49abd3ba9f4186b2132906a..0000000000000000000000000000000000000000
--- a/spring-boot-tests/spring-boot-smoke-tests/spring-boot-smoke-test-webflux-ssl/src/test/java/smoketest.webflux.ssl/EmbeddedNettySslServerWithPkcs11KeystoreTests.java
+++ /dev/null
@@ -1,122 +0,0 @@
-/*
- * Copyright 2012-2022 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.
- * You may obtain a copy of the License at
- *
- *      https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package smoketest.webflux.ssl;
-
-import java.io.File;
-import java.io.FileInputStream;
-import java.security.KeyStore;
-import java.security.cert.Certificate;
-import java.security.cert.CertificateFactory;
-
-import javax.net.ssl.TrustManagerFactory;
-
-import io.netty.handler.ssl.SslContext;
-import io.netty.handler.ssl.SslContextBuilder;
-import org.junit.jupiter.api.Test;
-import org.testcontainers.containers.GenericContainer;
-import org.testcontainers.containers.output.ToStringConsumer;
-import org.testcontainers.containers.wait.strategy.Wait;
-import org.testcontainers.images.builder.ImageFromDockerfile;
-import org.testcontainers.junit.jupiter.Testcontainers;
-import org.testcontainers.utility.MountableFile;
-import reactor.netty.http.client.HttpClient;
-
-import org.springframework.http.client.reactive.ReactorClientHttpConnector;
-import org.springframework.web.reactive.function.client.WebClient;
-
-import static org.assertj.core.api.Assertions.assertThat;
-import static org.assertj.core.api.Assertions.assertThatNoException;
-import static org.assertj.core.api.Assertions.fail;
-
-/**
- * Integration tests of Spring Boot's SSL server configured to use a PKCS#11 keystore
- * (HSM).
- *
- * @author Cyril Dangerville
- */
-@Testcontainers(disabledWithoutDocker = true)
-class EmbeddedNettySslServerWithPkcs11KeystoreTests {
-
-	@Test
-	void launchWithPkcs11KeystoreProvider() {
-		/*
-		 * We are going to use the server certificate of the keypair generated in the
-		 * PKCS#11 HSM inside the container, as trusted certificate for the SSL
-		 * connection, to make sure that the Netty SSL server is actually using this
-		 * certificate and the associated keypair in the HSM. The certificate is extracted
-		 * to /server-cert.pem by the keytool command run inside the container at startup
-		 * (see src/test/resources/docker-entrypoint.sh).
-		 */
-		final File serverCertDestinationFile = new File("build/tmp/test/server-cert.pem");
-		final ToStringConsumer consumer = new ToStringConsumer().withRemoveAnsiCodes(false);
-		try (SpringBootJarTestContainer container = new SpringBootJarTestContainer()) {
-			container.withLogConsumer(consumer);
-			container.start();
-			assertThat(consumer.toUtf8String().contains("Netty started"));
-
-			// HTTPS connection test
-			container.copyFileFromContainer("/server-cert.pem", serverCertDestinationFile.getAbsolutePath());
-			final KeyStore truststore = KeyStore.getInstance(KeyStore.getDefaultType());
-			truststore.load(null, null);
-			final CertificateFactory certFactory = CertificateFactory.getInstance("X.509");
-			final Certificate cert;
-			try (FileInputStream input = new FileInputStream(serverCertDestinationFile)) {
-				cert = certFactory.generateCertificate(input);
-			}
-			truststore.setCertificateEntry("server", cert);
-			TrustManagerFactory trustManagerFactory = TrustManagerFactory
-					.getInstance(TrustManagerFactory.getDefaultAlgorithm());
-			trustManagerFactory.init(truststore);
-			final SslContext sslContext = SslContextBuilder.forClient().trustManager(trustManagerFactory).build();
-			final HttpClient httpClient = HttpClient.create().secure((sslSpec) -> sslSpec.sslContext(sslContext));
-			final WebClient httpsClient = WebClient.builder()
-					.clientConnector(new ReactorClientHttpConnector(httpClient)).build();
-			assertThatNoException()
-					.isThrownBy(() -> httpsClient.get().uri("https://localhost:" + container.getFirstMappedPort() + "/")
-							.retrieve().toEntity(String.class).block());
-			return;
-		}
-		catch (Throwable ex) {
-			ex.printStackTrace();
-		}
-
-		fail("Container failed to start or SSL test failed. Startup logs: " + consumer.toUtf8String());
-	}
-
-	private static final class SpringBootJarTestContainer extends GenericContainer<SpringBootJarTestContainer> {
-
-		private SpringBootJarTestContainer() {
-			super(new ImageFromDockerfile("spring-boot-smoke-test-webflux-ssl/ssl-server-with-pkcs11-keystore")
-					.withFileFromFile("Dockerfile",
-							new File("src/test/resources/ssl-server-with-pkcs11-keystore/Dockerfile")));
-			withCopyFileToContainer(MountableFile.forHostPath(new File(
-					"build/spring-boot-starter-webflux-tests-app/build/libs/spring-boot-starter-webflux-tests-app.jar")
-							.getAbsolutePath()),
-					"/app.jar");
-			final String startupScript = "docker-entrypoint.sh";
-			withCopyFileToContainer(
-					MountableFile.forHostPath("src/test/resources/ssl-server-with-pkcs11-keystore/" + startupScript),
-					"/" + startupScript);
-			withCommand("/bin/bash", "-c", "chown root:root *.sh && chown root:root *.jar && chmod +x " + startupScript
-					+ " && ./" + startupScript);
-			withExposedPorts(8443);
-			waitingFor(Wait.forListeningPort());
-		}
-
-	}
-
-}
diff --git a/spring-boot-tests/spring-boot-smoke-tests/spring-boot-smoke-test-webflux-ssl/src/test/resources/logback.xml b/spring-boot-tests/spring-boot-smoke-tests/spring-boot-smoke-test-webflux-ssl/src/test/resources/logback.xml
deleted file mode 100644
index 132ca69d3cf5daa382659c607b6c28ab13f4fb73..0000000000000000000000000000000000000000
--- a/spring-boot-tests/spring-boot-smoke-tests/spring-boot-smoke-test-webflux-ssl/src/test/resources/logback.xml
+++ /dev/null
@@ -1,14 +0,0 @@
-<configuration>
-	<appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
-		<encoder>
-			<pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %logger - %msg%n</pattern>
-		</encoder>
-	</appender>
-
-	<root level="info">
-		<appender-ref ref="STDOUT"/>
-	</root>
-
-	<logger name="org.testcontainers" level="INFO"/>
-	<logger name="com.github.dockerjava" level="WARN"/>
-</configuration>
\ No newline at end of file
diff --git a/spring-boot-tests/spring-boot-smoke-tests/spring-boot-smoke-test-webflux-ssl/src/test/resources/ssl-server-with-pkcs11-keystore/Dockerfile b/spring-boot-tests/spring-boot-smoke-tests/spring-boot-smoke-test-webflux-ssl/src/test/resources/ssl-server-with-pkcs11-keystore/Dockerfile
deleted file mode 100644
index 07c740de0130971aebe3d721b3230d813008bf60..0000000000000000000000000000000000000000
--- a/spring-boot-tests/spring-boot-smoke-tests/spring-boot-smoke-test-webflux-ssl/src/test/resources/ssl-server-with-pkcs11-keystore/Dockerfile
+++ /dev/null
@@ -1,14 +0,0 @@
-FROM ubuntu:jammy
-RUN apt-get update && \
-    apt-get install -y software-properties-common curl softhsm2 && \
-    mkdir -p /opt/openjdk && \
-    cd /opt/openjdk && \
-    curl -L https://github.com/adoptium/temurin17-binaries/releases/download/jdk-17.0.1%2B12/OpenJDK17U-jdk_x64_linux_hotspot_17.0.1_12.tar.gz | tar zx --strip-components=1 && \
-    # this mkdir fixes old SoftHSMv2 install issue in older Ubuntus: https://github.com/opendnssec/SoftHSMv2/issues/283
-    # mkdir -p /var/lib/softhsm/tokens && \
-    echo "name = SoftHSM\nlibrary = /usr/lib/softhsm/libsofthsm2.so\nslotListIndex = 0" > /pkcs11.cfg && \
-    echo "security.provider.12=SunPKCS11 /pkcs11.cfg" > /java.security.override
-
-ENV JAVA_HOME /opt/openjdk
-ENV PATH $JAVA_HOME/bin:$PATH
-ENV JAVA_OPTS "-Djava.security.properties=/java.security.override -Djava.security.debug=sunpkcs11 -Djava.security.debug=pkcs11keystore"
\ No newline at end of file
diff --git a/spring-boot-tests/spring-boot-smoke-tests/spring-boot-smoke-test-webflux-ssl/src/test/resources/ssl-server-with-pkcs11-keystore/docker-entrypoint.sh b/spring-boot-tests/spring-boot-smoke-tests/spring-boot-smoke-test-webflux-ssl/src/test/resources/ssl-server-with-pkcs11-keystore/docker-entrypoint.sh
deleted file mode 100644
index da686384be6223d673abcd3107fe3f5b4bf7ade1..0000000000000000000000000000000000000000
--- a/spring-boot-tests/spring-boot-smoke-tests/spring-boot-smoke-test-webflux-ssl/src/test/resources/ssl-server-with-pkcs11-keystore/docker-entrypoint.sh
+++ /dev/null
@@ -1,3 +0,0 @@
-# Initialize a SoftHSM token only if not done already, e.g. at first start
-softhsm2-util --show-slots | grep "token-0" || { softhsm2-util --init-token --free --label "token-0" --pin 1234 --so-pin 0000; keytool -genkeypair -alias server -dname CN=localhost -ext san=dns:localhost -keyalg RSA -keysize 2048 -keystore NONE -storetype PKCS11 -providerclass sun.security.pkcs11.SunPKCS11 -providerarg /pkcs11.cfg -storepass 1234; keytool -exportcert -rfc  -alias server -keystore NONE -storetype PKCS11 -providerclass sun.security.pkcs11.SunPKCS11 -providerarg /pkcs11.cfg -storepass 1234 > /server-cert.pem; }
-java ${JAVA_OPTS} -jar /app.jar --server.port=8443 --server.ssl.enabled=true --server.ssl.key-alias=server --server.ssl.key-store-provider=SunPKCS11-SoftHSM --server.ssl.key-store-type=PKCS11 --server.ssl.key-store-password=1234