diff --git a/spring-core/src/main/java/org/springframework/aot/nativex/substitution/Target_ClassFinder.java b/spring-core/src/main/java/org/springframework/aot/nativex/substitution/Target_ClassFinder.java
deleted file mode 100644
index c4b5a6b3f2e..00000000000
--- a/spring-core/src/main/java/org/springframework/aot/nativex/substitution/Target_ClassFinder.java
+++ /dev/null
@@ -1,38 +0,0 @@
-/*
- * Copyright 2002-present 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.aot.nativex.substitution;
-
-import com.oracle.svm.core.annotate.Alias;
-import com.oracle.svm.core.annotate.TargetClass;
-
-/**
- * Allow to reference {@code com.sun.beans.finder.ClassFinder} from
- * {@link Target_Introspector}.
- *
- * TODO Remove once Spring Framework requires GraalVM 23.0+, see <a href="https://github.com/oracle/graal/pull/5224">graal#5224</a>.
- *
- * @author Sebastien Deleuze
- * @since 6.0
- */
-@TargetClass(className = "com.sun.beans.finder.ClassFinder")
-final class Target_ClassFinder {
-
-	@Alias
-	public static Class<?> findClass(String name, ClassLoader loader) throws ClassNotFoundException {
-		return null;
-	}
-}
diff --git a/spring-core/src/main/java/org/springframework/aot/nativex/substitution/Target_Introspector.java b/spring-core/src/main/java/org/springframework/aot/nativex/substitution/Target_Introspector.java
deleted file mode 100644
index 571b52e1557..00000000000
--- a/spring-core/src/main/java/org/springframework/aot/nativex/substitution/Target_Introspector.java
+++ /dev/null
@@ -1,56 +0,0 @@
-/*
- * Copyright 2002-present 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.aot.nativex.substitution;
-
-import java.beans.Customizer;
-
-import com.oracle.svm.core.annotate.Substitute;
-import com.oracle.svm.core.annotate.TargetClass;
-
-/**
- * {@link java.beans.Introspector} substitution with a refined {@code findCustomizerClass} implementation
- * designed to avoid thousands of AWT classes to be included in the native image.
- *
- * TODO Remove once Spring Framework requires GraalVM 23.0+, see <a href="https://github.com/oracle/graal/pull/5224">graal#5224</a>.
- *
- * @author Sebastien Deleuze
- * @since 6.0
- */
-@TargetClass(className = "java.beans.Introspector")
-final class Target_Introspector {
-
-	@Substitute
-	private static Class<?> findCustomizerClass(Class<?> type) {
-		String name = type.getName() + "Customizer";
-		try {
-			type = Target_ClassFinder.findClass(name, type.getClassLoader());
-			if (Customizer.class.isAssignableFrom(type)) {
-				Class<?> c = type;
-				do {
-					c = c.getSuperclass();
-					if (c.getName().equals("java.awt.Component")) {
-						return type;
-					}
-				} while (!c.getName().equals("java.lang.Object"));
-			}
-		}
-		catch (Exception ignored) {
-		}
-		return null;
-	}
-
-}
diff --git a/spring-core/src/main/java/org/springframework/aot/nativex/substitution/package-info.java b/spring-core/src/main/java/org/springframework/aot/nativex/substitution/package-info.java
deleted file mode 100644
index c17694d5642..00000000000
--- a/spring-core/src/main/java/org/springframework/aot/nativex/substitution/package-info.java
+++ /dev/null
@@ -1,7 +0,0 @@
-/**
- * GraalVM native image substitutions, not part of Spring Framework public API.
- */
-@NullUnmarked
-package org.springframework.aot.nativex.substitution;
-
-import org.jspecify.annotations.NullUnmarked;