diff --git a/spring-jdbc/src/test/java/org/springframework/jdbc/support/SQLErrorCodeSQLExceptionTranslatorTests.java b/spring-jdbc/src/test/java/org/springframework/jdbc/support/SQLErrorCodeSQLExceptionTranslatorTests.java
index 0b301f0411e..0d2d102de2e 100644
--- a/spring-jdbc/src/test/java/org/springframework/jdbc/support/SQLErrorCodeSQLExceptionTranslatorTests.java
+++ b/spring-jdbc/src/test/java/org/springframework/jdbc/support/SQLErrorCodeSQLExceptionTranslatorTests.java
@@ -137,6 +137,7 @@ class SQLErrorCodeSQLExceptionTranslatorTests {
 		SQLException integrityViolationEx = new SQLException("", "", 6);
 
 		translator = new SQLErrorCodeSQLExceptionTranslator() {
+			@SuppressWarnings("deprecation")
 			@Override
 			@Nullable
 			protected DataAccessException customTranslate(String task, @Nullable String sql, SQLException sqlException) {
diff --git a/spring-webflux/src/test/java/org/springframework/web/reactive/function/server/BindingFunctionIntegrationTests.java b/spring-webflux/src/test/java/org/springframework/web/reactive/function/server/BindingFunctionIntegrationTests.java
index a8c0986b8a7..febeadef19a 100644
--- a/spring-webflux/src/test/java/org/springframework/web/reactive/function/server/BindingFunctionIntegrationTests.java
+++ b/spring-webflux/src/test/java/org/springframework/web/reactive/function/server/BindingFunctionIntegrationTests.java
@@ -135,7 +135,9 @@ class BindingFunctionIntegrationTests extends AbstractRouterFunctionIntegrationT
 	}
 
 
+	@SuppressWarnings("unused")
 	private static final class ConstructorInjection {
+
 		private final String foo;
 
 		private final String bar;
@@ -159,7 +161,9 @@ class BindingFunctionIntegrationTests extends AbstractRouterFunctionIntegrationT
 		}
 	}
 
+	@SuppressWarnings("unused")
 	private static final class PropertyInjection {
+
 		@Nullable
 		private String foo;
 
@@ -190,7 +194,9 @@ class BindingFunctionIntegrationTests extends AbstractRouterFunctionIntegrationT
 		}
 	}
 
+	@SuppressWarnings("unused")
 	private static final class MixedInjection {
+
 		private final String foo;
 
 		@Nullable
@@ -213,12 +219,13 @@ class BindingFunctionIntegrationTests extends AbstractRouterFunctionIntegrationT
 			this.bar = bar;
 		}
 
+		@Override
 		public String toString() {
 			return this.foo + ":" + String.valueOf(this.bar);
 		}
-
 	}
 
+	@SuppressWarnings("unused")
 	private static final class ErrorInjection {
 
 		private int foo;
@@ -232,5 +239,4 @@ class BindingFunctionIntegrationTests extends AbstractRouterFunctionIntegrationT
 		}
 	}
 
-
 }
diff --git a/spring-webmvc/src/test/java/org/springframework/web/servlet/function/DefaultServerRequestTests.java b/spring-webmvc/src/test/java/org/springframework/web/servlet/function/DefaultServerRequestTests.java
index 1b166b7a400..e2bf559c6af 100644
--- a/spring-webmvc/src/test/java/org/springframework/web/servlet/function/DefaultServerRequestTests.java
+++ b/spring-webmvc/src/test/java/org/springframework/web/servlet/function/DefaultServerRequestTests.java
@@ -553,7 +553,10 @@ class DefaultServerRequestTests {
 	@interface ParameterizedHttpMethodTest {
 	}
 
+
+	@SuppressWarnings("unused")
 	private static final class ConstructorInjection {
+
 		private final String foo;
 
 		private final String bar;
@@ -572,7 +575,9 @@ class DefaultServerRequestTests {
 		}
 	}
 
+	@SuppressWarnings("unused")
 	private static final class PropertyInjection {
+
 		private String foo;
 
 		private String bar;
@@ -594,7 +599,9 @@ class DefaultServerRequestTests {
 		}
 	}
 
+	@SuppressWarnings("unused")
 	private static final class MixedInjection {
+
 		private final String foo;
 
 		private String bar;
@@ -616,6 +623,7 @@ class DefaultServerRequestTests {
 		}
 	}
 
+	@SuppressWarnings("unused")
 	private static final class ErrorInjection {
 
 		private int foo;
@@ -629,7 +637,4 @@ class DefaultServerRequestTests {
 		}
 	}
 
-
-
-
 }