diff --git a/oauth2/oauth2-resource-server/src/main/java/org/springframework/security/oauth2/server/resource/web/DefaultBearerTokenResolver.java b/oauth2/oauth2-resource-server/src/main/java/org/springframework/security/oauth2/server/resource/web/DefaultBearerTokenResolver.java
index 1d61e11b0f..d238e87017 100644
--- a/oauth2/oauth2-resource-server/src/main/java/org/springframework/security/oauth2/server/resource/web/DefaultBearerTokenResolver.java
+++ b/oauth2/oauth2-resource-server/src/main/java/org/springframework/security/oauth2/server/resource/web/DefaultBearerTokenResolver.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2023 the original author or authors.
+ * Copyright 2002-2024 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.
@@ -57,7 +57,7 @@ public final class DefaultBearerTokenResolver implements BearerTokenResolver {
 				? resolveFromRequestParameters(request) : null;
 		if (authorizationHeaderToken != null) {
 			if (parameterToken != null) {
-				final BearerTokenError error = BearerTokenErrors
+				BearerTokenError error = BearerTokenErrors
 					.invalidRequest("Found multiple bearer tokens in the request");
 				throw new OAuth2AuthenticationException(error);
 			}
@@ -65,7 +65,7 @@ public final class DefaultBearerTokenResolver implements BearerTokenResolver {
 		}
 		if (parameterToken != null && isParameterTokenEnabledForRequest(request)) {
 			if (!StringUtils.hasText(parameterToken)) {
-				final BearerTokenError error = BearerTokenErrors
+				BearerTokenError error = BearerTokenErrors
 					.invalidRequest("The requested token parameter is an empty string");
 				throw new OAuth2AuthenticationException(error);
 			}
diff --git a/oauth2/oauth2-resource-server/src/main/java/org/springframework/security/oauth2/server/resource/web/server/authentication/ServerBearerTokenAuthenticationConverter.java b/oauth2/oauth2-resource-server/src/main/java/org/springframework/security/oauth2/server/resource/web/server/authentication/ServerBearerTokenAuthenticationConverter.java
index 4f8d33c6d0..bd07c59b74 100644
--- a/oauth2/oauth2-resource-server/src/main/java/org/springframework/security/oauth2/server/resource/web/server/authentication/ServerBearerTokenAuthenticationConverter.java
+++ b/oauth2/oauth2-resource-server/src/main/java/org/springframework/security/oauth2/server/resource/web/server/authentication/ServerBearerTokenAuthenticationConverter.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2021 the original author or authors.
+ * Copyright 2002-2024 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.
@@ -79,7 +79,7 @@ public class ServerBearerTokenAuthenticationConverter implements ServerAuthentic
 		}
 		if (parameterToken != null && isParameterTokenSupportedForRequest(request)) {
 			if (!StringUtils.hasText(parameterToken)) {
-				final BearerTokenError error = BearerTokenErrors
+				BearerTokenError error = BearerTokenErrors
 					.invalidRequest("The requested token parameter is an empty string");
 				throw new OAuth2AuthenticationException(error);
 			}
diff --git a/oauth2/oauth2-resource-server/src/test/java/org/springframework/security/oauth2/server/resource/web/DefaultBearerTokenResolverTests.java b/oauth2/oauth2-resource-server/src/test/java/org/springframework/security/oauth2/server/resource/web/DefaultBearerTokenResolverTests.java
index 7937a699fd..f04fb69a3d 100644
--- a/oauth2/oauth2-resource-server/src/test/java/org/springframework/security/oauth2/server/resource/web/DefaultBearerTokenResolverTests.java
+++ b/oauth2/oauth2-resource-server/src/test/java/org/springframework/security/oauth2/server/resource/web/DefaultBearerTokenResolverTests.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2021 the original author or authors.
+ * Copyright 2002-2024 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.
diff --git a/oauth2/oauth2-resource-server/src/test/java/org/springframework/security/oauth2/server/resource/web/server/authentication/ServerBearerTokenAuthenticationConverterTests.java b/oauth2/oauth2-resource-server/src/test/java/org/springframework/security/oauth2/server/resource/web/server/authentication/ServerBearerTokenAuthenticationConverterTests.java
index b43329fc97..1f4b17697f 100644
--- a/oauth2/oauth2-resource-server/src/test/java/org/springframework/security/oauth2/server/resource/web/server/authentication/ServerBearerTokenAuthenticationConverterTests.java
+++ b/oauth2/oauth2-resource-server/src/test/java/org/springframework/security/oauth2/server/resource/web/server/authentication/ServerBearerTokenAuthenticationConverterTests.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2021 the original author or authors.
+ * Copyright 2002-2024 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.