diff --git a/spring-beans/src/jmh/java/org/springframework/beans/BeanUtilsBenchmark.java b/spring-beans/src/jmh/java/org/springframework/beans/BeanUtilsBenchmark.java
index 8bcf1f16d4f..bbcf1257734 100644
--- a/spring-beans/src/jmh/java/org/springframework/beans/BeanUtilsBenchmark.java
+++ b/spring-beans/src/jmh/java/org/springframework/beans/BeanUtilsBenchmark.java
@@ -54,6 +54,7 @@ public class BeanUtilsBenchmark {
 	static class TestClass1{
 	};
 
+	@SuppressWarnings("unused")
 	static class TestClass2 {
 		private final int value1;
 		private final String value2;
@@ -63,4 +64,5 @@ public class BeanUtilsBenchmark {
 			this.value2 = value2;
 		}
 	}
+
 }
diff --git a/spring-web/src/test/java/org/springframework/http/codec/json/CustomizedJackson2JsonDecoderTests.java b/spring-web/src/test/java/org/springframework/http/codec/json/CustomizedJackson2JsonDecoderTests.java
index 98de2af708c..ea7e4da9810 100644
--- a/spring-web/src/test/java/org/springframework/http/codec/json/CustomizedJackson2JsonDecoderTests.java
+++ b/spring-web/src/test/java/org/springframework/http/codec/json/CustomizedJackson2JsonDecoderTests.java
@@ -35,19 +35,20 @@ import org.springframework.core.testfixture.codec.AbstractDecoderTests;
  *
  * @author Jason Laber
  */
-public class CustomizedJackson2JsonDecoderTests extends AbstractDecoderTests<Jackson2JsonDecoder> {
+class CustomizedJackson2JsonDecoderTests extends AbstractDecoderTests<Jackson2JsonDecoder> {
 
-	public CustomizedJackson2JsonDecoderTests() {
+	CustomizedJackson2JsonDecoderTests() {
 		super(new Jackson2JsonDecoderWithCustomization());
 	}
 
+
 	@Override
 	public void canDecode() throws Exception {
 		// Not Testing, covered under Jackson2JsonDecoderTests
 	}
 
-	@Override
 	@Test
+	@Override
 	public void decode() throws Exception {
 		Flux<DataBuffer> input = Flux.concat(stringBuffer("{\"property\":\"Value1\"}"));
 
@@ -56,8 +57,8 @@ public class CustomizedJackson2JsonDecoderTests extends AbstractDecoderTests<Jac
 				.verifyComplete());
 	}
 
-	@Override
 	@Test
+	@Override
 	public void decodeToMono() throws Exception {
 		Mono<DataBuffer> input = stringBuffer("{\"property\":\"Value2\"}");
 
@@ -91,6 +92,7 @@ public class CustomizedJackson2JsonDecoderTests extends AbstractDecoderTests<Jac
 			return property;
 		}
 
+		@SuppressWarnings("unused")
 		public void setProperty(MyCustomDecoderEnum property) {
 			this.property = property;
 		}
diff --git a/spring-web/src/test/java/org/springframework/http/codec/json/CustomizedJackson2JsonEncoderTests.java b/spring-web/src/test/java/org/springframework/http/codec/json/CustomizedJackson2JsonEncoderTests.java
index 0441dd13ad3..0cd54005815 100644
--- a/spring-web/src/test/java/org/springframework/http/codec/json/CustomizedJackson2JsonEncoderTests.java
+++ b/spring-web/src/test/java/org/springframework/http/codec/json/CustomizedJackson2JsonEncoderTests.java
@@ -35,9 +35,9 @@ import static org.springframework.http.MediaType.APPLICATION_NDJSON;
  *
  * @author Jason Laber
  */
-public class CustomizedJackson2JsonEncoderTests extends AbstractEncoderTests<Jackson2JsonEncoder> {
+class CustomizedJackson2JsonEncoderTests extends AbstractEncoderTests<Jackson2JsonEncoder> {
 
-	public CustomizedJackson2JsonEncoderTests() {
+	CustomizedJackson2JsonEncoderTests() {
 		super(new Jackson2JsonEncoderWithCustomization());
 	}
 
@@ -47,8 +47,8 @@ public class CustomizedJackson2JsonEncoderTests extends AbstractEncoderTests<Jac
 		// Not Testing, covered under Jackson2JsonEncoderTests
 	}
 
-	@Override
 	@Test
+	@Override
 	public void encode() throws Exception {
 		Flux<MyCustomizedEncoderBean> input = Flux.just(
 				new MyCustomizedEncoderBean(MyCustomEncoderEnum.VAL1),
@@ -63,7 +63,7 @@ public class CustomizedJackson2JsonEncoderTests extends AbstractEncoderTests<Jac
 	}
 
 	@Test
-	public void encodeNonStream() {
+	void encodeNonStream() {
 		Flux<MyCustomizedEncoderBean> input = Flux.just(
 				new MyCustomizedEncoderBean(MyCustomEncoderEnum.VAL1),
 				new MyCustomizedEncoderBean(MyCustomEncoderEnum.VAL2)
@@ -85,10 +85,12 @@ public class CustomizedJackson2JsonEncoderTests extends AbstractEncoderTests<Jac
 			this.property = property;
 		}
 
+		@SuppressWarnings("unused")
 		public MyCustomEncoderEnum getProperty() {
 			return property;
 		}
 
+		@SuppressWarnings("unused")
 		public void setProperty(MyCustomEncoderEnum property) {
 			this.property = property;
 		}