diff --git a/spring-boot-project/spring-boot-actuator/src/main/java/org/springframework/boot/actuate/endpoint/annotation/EndpointDiscoverer.java b/spring-boot-project/spring-boot-actuator/src/main/java/org/springframework/boot/actuate/endpoint/annotation/EndpointDiscoverer.java
index d92de1d5236..7c462310da1 100644
--- a/spring-boot-project/spring-boot-actuator/src/main/java/org/springframework/boot/actuate/endpoint/annotation/EndpointDiscoverer.java
+++ b/spring-boot-project/spring-boot-actuator/src/main/java/org/springframework/boot/actuate/endpoint/annotation/EndpointDiscoverer.java
@@ -465,10 +465,6 @@ public abstract class EndpointDiscoverer<E extends ExposableEndpoint<O>, O exten
 			return this.id;
 		}
 
-		public Class<?> getType() {
-			return this.bean.getClass();
-		}
-
 		public boolean isEnabledByDefault() {
 			return this.enabledByDefault;
 		}
diff --git a/spring-boot-project/spring-boot-actuator/src/test/java/org/springframework/boot/actuate/mongo/MongoReactiveHealthIndicatorTest.java b/spring-boot-project/spring-boot-actuator/src/test/java/org/springframework/boot/actuate/mongo/MongoReactiveHealthIndicatorTests.java
similarity index 94%
rename from spring-boot-project/spring-boot-actuator/src/test/java/org/springframework/boot/actuate/mongo/MongoReactiveHealthIndicatorTest.java
rename to spring-boot-project/spring-boot-actuator/src/test/java/org/springframework/boot/actuate/mongo/MongoReactiveHealthIndicatorTests.java
index f5df23de06c..8e60e6b0143 100644
--- a/spring-boot-project/spring-boot-actuator/src/test/java/org/springframework/boot/actuate/mongo/MongoReactiveHealthIndicatorTest.java
+++ b/spring-boot-project/spring-boot-actuator/src/test/java/org/springframework/boot/actuate/mongo/MongoReactiveHealthIndicatorTests.java
@@ -35,7 +35,7 @@ import static org.mockito.Mockito.mock;
  *
  * @author Yulin Qin
  */
-public class MongoReactiveHealthIndicatorTest {
+public class MongoReactiveHealthIndicatorTests {
 
 	@Test
 	public void testMongoIsUp() {
@@ -65,7 +65,8 @@ public class MongoReactiveHealthIndicatorTest {
 		StepVerifier.create(health).consumeNextWith((h) -> {
 			assertThat(h.getStatus()).isEqualTo(Status.DOWN);
 			assertThat(h.getDetails()).containsOnlyKeys("error");
-			assertThat(h.getDetails().get("error")).isEqualTo("Connection failed");
+			assertThat(h.getDetails().get("error"))
+					.isEqualTo(MongoException.class.getName() + ": Connection failed");
 		}).verifyComplete();
 	}
 
diff --git a/spring-boot-project/spring-boot-actuator/src/test/java/org/springframework/boot/actuate/web/mappings/MappingsEndpointTests.java b/spring-boot-project/spring-boot-actuator/src/test/java/org/springframework/boot/actuate/web/mappings/MappingsEndpointTests.java
index 981c431be1f..d66600286e8 100644
--- a/spring-boot-project/spring-boot-actuator/src/test/java/org/springframework/boot/actuate/web/mappings/MappingsEndpointTests.java
+++ b/spring-boot-project/spring-boot-actuator/src/test/java/org/springframework/boot/actuate/web/mappings/MappingsEndpointTests.java
@@ -73,7 +73,6 @@ import static org.springframework.web.reactive.function.server.RouterFunctions.r
 public class MappingsEndpointTests {
 
 	@Test
-	@SuppressWarnings("unchecked")
 	public void servletWebMappings() {
 		Supplier<ConfigurableWebApplicationContext> contextSupplier = prepareContextSupplier();
 		new WebApplicationContextRunner(contextSupplier)
@@ -100,7 +99,6 @@ public class MappingsEndpointTests {
 	}
 
 	@Test
-	@SuppressWarnings("unchecked")
 	public void servletWebMappingsWithAdditionalDispatcherServlets() {
 		Supplier<ConfigurableWebApplicationContext> contextSupplier = prepareContextSupplier();
 		new WebApplicationContextRunner(contextSupplier).withUserConfiguration(
@@ -121,6 +119,7 @@ public class MappingsEndpointTests {
 				});
 	}
 
+	@SuppressWarnings("unchecked")
 	private Supplier<ConfigurableWebApplicationContext> prepareContextSupplier() {
 		ServletContext servletContext = mock(ServletContext.class);
 		given(servletContext.getInitParameterNames())