diff --git a/hibernate-core/src/main/java/org/hibernate/boot/jaxb/hbm/transform/UnknownEntityReferenceException.java b/hibernate-core/src/main/java/org/hibernate/boot/jaxb/hbm/transform/UnknownEntityReferenceException.java
deleted file mode 100644
index 76c731d9bf1a..000000000000
--- a/hibernate-core/src/main/java/org/hibernate/boot/jaxb/hbm/transform/UnknownEntityReferenceException.java
+++ /dev/null
@@ -1,27 +0,0 @@
-/*
- * SPDX-License-Identifier: Apache-2.0
- * Copyright Red Hat Inc. and Hibernate Authors
- */
-package org.hibernate.boot.jaxb.hbm.transform;
-
-import java.util.Locale;
-
-import org.hibernate.MappingException;
-import org.hibernate.boot.jaxb.Origin;
-
-/**
- * We encountered a reference to an entity by name which we cannot resolve
- *
- * @author Steve Ebersole
- */
-public class UnknownEntityReferenceException extends MappingException {
-	public UnknownEntityReferenceException(String name, Origin origin) {
-		super( String.format(
-				Locale.ROOT,
-				"Could not resolve entity name `%s` : %s (%s)",
-				name,
-				origin.getName(),
-				origin.getType()
-		) );
-	}
-}