Del. Code Ann. tit. 6, § 1-306
A claim or right arising out of an alleged breach may be discharged in whole or in part without consideration by agreement of the aggrieved party in a signed record.
5A Del. C. 1953, §§ 1-107; 55 Del. Laws, c. 349; 74 Del. Laws, c. 332, § 1; 84 Del. Laws, c. 174, § 4