diff --git a/.mvn/.gitignore b/.mvn/.gitignore
new file mode 100644
index 000000000..f26bafb8b
--- /dev/null
+++ b/.mvn/.gitignore
@@ -0,0 +1,4 @@
+#
+# Empty file (Maven 4 wants the directory .mvn to be present,
+# and we want Git to create it.)
+#
diff --git a/src/test/java/org/apache/commons/lang3/annotations/AnnotationsTest.java b/src/test/java/org/apache/commons/lang3/annotations/AnnotationsTest.java
deleted file mode 100644
index df1aa70f3..000000000
--- a/src/test/java/org/apache/commons/lang3/annotations/AnnotationsTest.java
+++ /dev/null
@@ -1,122 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You 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
- *
- *      http://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.apache.commons.lang3.annotations;
-
-import static org.junit.jupiter.api.Assertions.assertNotNull;
-import static org.junit.jupiter.api.Assertions.assertSame;
-
-import java.lang.annotation.Target;
-import java.util.function.Function;
-
-import org.junit.jupiter.api.Test;
-
-
-/** This class ensures, that the annotations are properly configured
- * with regard to {@link Target}.
- *
- * The so-called test methods are not actually testing anything, because
- * an invalid configuration would be detected by the compiler. However,
- * we have the unit test framework in place, and it is running anyways,
- * so there's no harm in a few additional methods.
- */
-public class AnnotationsTest {
-    public static class Wrapper {
-        private final Object wrappedObject;
-
-        @Insecure
-        public Wrapper(Object wrappedObject) {
-            this.wrappedObject = wrappedObject;
-        }
-
-        Object getWrappedObject() {
-            return wrappedObject;
-        }
-    }
-
-    private static Wrapper newWrapper(Object wrappedObject) {
-        return new Wrapper(wrappedObject);
-    }
-
-    /** Test, whether we can have an @Insecure annotation on a constructor.
-     */
-    @Test
-    public void testConstructorAnnotatableAsInsecure() {
-        final Object unsafeObject = new Object();
-        // Static code analysis should reject this, because the
-        // parameter (the newly created instance of Object) isn't known
-        // to be safe.
-        final Wrapper wrapper = new Wrapper(unsafeObject);
-        assertNotNull(wrapper);
-        assertSame(unsafeObject, wrapper.getWrappedObject());
-    }
-
-    /** Test, whether we can have an @Insecure annotation on a method.
-     */
-    @Test
-    public void testMethodAnnotatableAsInsecure() {
-        final Object unsafeObject = new Object();
-        // Static code analysis should reject this, because the
-        // parameter (the newly created instance of Object) isn't known
-        // to be safe.
-        final Wrapper wrapper = newWrapper(unsafeObject);
-        assertNotNull(wrapper);
-        assertSame(unsafeObject, wrapper.getWrappedObject());
-    }
-
-    /** Test, whether we can have a @Safe annotation on a local variable.
-     */
-    @Test
-    public void testLocalVariablesAnnotatableAsSafe() {
-        @Safe final String wrappedString = "Hello, world!";
-        // Static code analysis should accept this, because the variable
-        // is annotated with @Safe.
-        final Wrapper wrapper = newWrapper(wrappedString);
-        assertNotNull(wrapper);
-        assertSame(wrappedString, wrapper.getWrappedObject());
-    }
-
-    /** Test, whether we can have a @Safe annotation on a field.
-     */
-    @Test
-    public void testFieldsAnnotatableAsSafe() {
-        // Static code analysis should accept this, because the field
-        // is annotated with @Safe.
-        final Wrapper wrapper = newWrapper(wrappedStringField);
-        assertNotNull(wrapper);
-        assertSame(wrappedStringField, wrapper.getWrappedObject());
-    }
-    @Safe private String wrappedStringField = "Hello, world!";
-
-    /** Test, whether we can have a @Safe annotation on a field.
-     */
-    @Test
-    public void testParametersAnnotatableAsSafe() {
-        // Static code analysis should accept this, because the parameter
-        // is annotated with @Safe.
-        final Function<String, Wrapper> wrapperCreator =
-            new Function<String, Wrapper>() {
-                @Override
-                public Wrapper apply(@Safe String wrappedObject) {
-                    return newWrapper(wrappedObject);
-                }
-            };
-        final String helloWorldString = "Hello, world!";
-        final Wrapper wrapper = wrapperCreator.apply(helloWorldString);
-        assertNotNull(wrapper);
-        assertSame(helloWorldString, wrapper.getWrappedObject());
-    }
-}