diff --git a/equalsverifier-core/src/main/java/nl/jqno/equalsverifier/internal/reflection/annotations/NonnullAnnotationVerifier.java b/equalsverifier-core/src/main/java/nl/jqno/equalsverifier/internal/reflection/annotations/NonnullAnnotationVerifier.java
deleted file mode 100644
index f51469ffb..000000000
--- a/equalsverifier-core/src/main/java/nl/jqno/equalsverifier/internal/reflection/annotations/NonnullAnnotationVerifier.java
+++ /dev/null
@@ -1,35 +0,0 @@
-package nl.jqno.equalsverifier.internal.reflection.annotations;
-
-import static nl.jqno.equalsverifier.internal.reflection.annotations.SupportedAnnotations.*;
-
-import java.lang.reflect.Field;
-
-/** Utility class that checks whether a field is marked with an Nonnull annotation of some sort. */
-public final class NonnullAnnotationVerifier {
-
-    private NonnullAnnotationVerifier() {}
-
-    /**
-     * Checks whether the given field is marked with an Nonnull annotation, whether directly, or
-     * through some default annotation mechanism.
-     *
-     * @param field The field to be checked.
-     * @param annotationCache To provide access to the annotations on the field and the field's
-     *     class
-     * @return True if the field is to be treated as Nonnull.
-     */
-    public static boolean fieldIsNonnull(Field field, AnnotationCache annotationCache) {
-        Class<?> type = field.getDeclaringClass();
-        if (annotationCache.hasFieldAnnotation(type, field.getName(), NONNULL)) {
-            return true;
-        }
-        if (annotationCache.hasFieldAnnotation(type, field.getName(), NULLABLE)) {
-            return false;
-        }
-        return (
-            annotationCache.hasClassAnnotation(type, FINDBUGS1X_DEFAULT_ANNOTATION_NONNULL) ||
-            annotationCache.hasClassAnnotation(type, JSR305_DEFAULT_ANNOTATION_NONNULL) ||
-            annotationCache.hasClassAnnotation(type, DEFAULT_ANNOTATION_NONNULL)
-        );
-    }
-}