diff --git a/config/src/main/java/org/springframework/security/config/annotation/method/configuration/DeferringObservationAuthorizationManager.java b/config/src/main/java/org/springframework/security/config/annotation/method/configuration/DeferringObservationAuthorizationManager.java
deleted file mode 100644
index 3328531606e..00000000000
--- a/config/src/main/java/org/springframework/security/config/annotation/method/configuration/DeferringObservationAuthorizationManager.java
+++ /dev/null
@@ -1,72 +0,0 @@
-/*
- * Copyright 2002-2022 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 org.springframework.security.config.annotation.method.configuration;
-
-import java.util.function.Supplier;
-
-import io.micrometer.observation.ObservationRegistry;
-import org.aopalliance.intercept.MethodInvocation;
-
-import org.springframework.beans.factory.ObjectProvider;
-import org.springframework.security.authorization.AuthorizationDecision;
-import org.springframework.security.authorization.AuthorizationManager;
-import org.springframework.security.authorization.AuthorizationResult;
-import org.springframework.security.authorization.ObservationAuthorizationManager;
-import org.springframework.security.authorization.method.MethodAuthorizationDeniedHandler;
-import org.springframework.security.authorization.method.MethodInvocationResult;
-import org.springframework.security.authorization.method.ThrowingMethodAuthorizationDeniedHandler;
-import org.springframework.security.core.Authentication;
-import org.springframework.util.function.SingletonSupplier;
-
-final class DeferringObservationAuthorizationManager<T>
-		implements AuthorizationManager<T>, MethodAuthorizationDeniedHandler {
-
-	private final Supplier<AuthorizationManager<T>> delegate;
-
-	private MethodAuthorizationDeniedHandler handler = new ThrowingMethodAuthorizationDeniedHandler();
-
-	DeferringObservationAuthorizationManager(ObjectProvider<ObservationRegistry> provider,
-			AuthorizationManager<T> delegate) {
-		this.delegate = SingletonSupplier.of(() -> {
-			ObservationRegistry registry = provider.getIfAvailable(() -> ObservationRegistry.NOOP);
-			if (registry.isNoop()) {
-				return delegate;
-			}
-			return new ObservationAuthorizationManager<>(registry, delegate);
-		});
-		if (delegate instanceof MethodAuthorizationDeniedHandler h) {
-			this.handler = h;
-		}
-	}
-
-	@Override
-	public AuthorizationDecision check(Supplier<Authentication> authentication, T object) {
-		return this.delegate.get().check(authentication, object);
-	}
-
-	@Override
-	public Object handleDeniedInvocation(MethodInvocation methodInvocation, AuthorizationResult authorizationResult) {
-		return this.handler.handleDeniedInvocation(methodInvocation, authorizationResult);
-	}
-
-	@Override
-	public Object handleDeniedInvocationResult(MethodInvocationResult methodInvocationResult,
-			AuthorizationResult authorizationResult) {
-		return this.handler.handleDeniedInvocationResult(methodInvocationResult, authorizationResult);
-	}
-
-}
diff --git a/config/src/main/java/org/springframework/security/config/annotation/method/configuration/DeferringObservationReactiveAuthorizationManager.java b/config/src/main/java/org/springframework/security/config/annotation/method/configuration/DeferringObservationReactiveAuthorizationManager.java
deleted file mode 100644
index 8b028a70772..00000000000
--- a/config/src/main/java/org/springframework/security/config/annotation/method/configuration/DeferringObservationReactiveAuthorizationManager.java
+++ /dev/null
@@ -1,73 +0,0 @@
-/*
- * Copyright 2002-2023 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 org.springframework.security.config.annotation.method.configuration;
-
-import java.util.function.Supplier;
-
-import io.micrometer.observation.ObservationRegistry;
-import org.aopalliance.intercept.MethodInvocation;
-import reactor.core.publisher.Mono;
-
-import org.springframework.beans.factory.ObjectProvider;
-import org.springframework.security.authorization.AuthorizationDecision;
-import org.springframework.security.authorization.AuthorizationResult;
-import org.springframework.security.authorization.ObservationReactiveAuthorizationManager;
-import org.springframework.security.authorization.ReactiveAuthorizationManager;
-import org.springframework.security.authorization.method.MethodAuthorizationDeniedHandler;
-import org.springframework.security.authorization.method.MethodInvocationResult;
-import org.springframework.security.authorization.method.ThrowingMethodAuthorizationDeniedHandler;
-import org.springframework.security.core.Authentication;
-import org.springframework.util.function.SingletonSupplier;
-
-final class DeferringObservationReactiveAuthorizationManager<T>
-		implements ReactiveAuthorizationManager<T>, MethodAuthorizationDeniedHandler {
-
-	private final Supplier<ReactiveAuthorizationManager<T>> delegate;
-
-	private MethodAuthorizationDeniedHandler handler = new ThrowingMethodAuthorizationDeniedHandler();
-
-	DeferringObservationReactiveAuthorizationManager(ObjectProvider<ObservationRegistry> provider,
-			ReactiveAuthorizationManager<T> delegate) {
-		this.delegate = SingletonSupplier.of(() -> {
-			ObservationRegistry registry = provider.getIfAvailable(() -> ObservationRegistry.NOOP);
-			if (registry.isNoop()) {
-				return delegate;
-			}
-			return new ObservationReactiveAuthorizationManager<>(registry, delegate);
-		});
-		if (delegate instanceof MethodAuthorizationDeniedHandler h) {
-			this.handler = h;
-		}
-	}
-
-	@Override
-	public Mono<AuthorizationDecision> check(Mono<Authentication> authentication, T object) {
-		return this.delegate.get().check(authentication, object);
-	}
-
-	@Override
-	public Object handleDeniedInvocation(MethodInvocation methodInvocation, AuthorizationResult authorizationResult) {
-		return this.handler.handleDeniedInvocation(methodInvocation, authorizationResult);
-	}
-
-	@Override
-	public Object handleDeniedInvocationResult(MethodInvocationResult methodInvocationResult,
-			AuthorizationResult authorizationResult) {
-		return this.handler.handleDeniedInvocationResult(methodInvocationResult, authorizationResult);
-	}
-
-}