diff --git a/devel/google-gdata/Makefile b/devel/google-gdata/Makefile
index 73f72c33fab6..d8565743cf48 100644
--- a/devel/google-gdata/Makefile
+++ b/devel/google-gdata/Makefile
@@ -1,34 +1,38 @@
 # Created by: Romain Tartiere <romain@FreeBSD.org>
 
 PORTNAME=	google-gdata
 PORTVERSION=	2.2.0.0.20150610
 CATEGORIES=	devel
 
 MAINTAINER=	bofh@FreeBSD.org
 COMMENT=	DOT NET library for the Google Data API
 
 LICENSE=	APACHE20
 
+DEPRECATED=	Google is no longer using GoogleData APIs
+EXPIRATION_DATE=2021-10-27
+
 BUILD_DEPENDS=	${LOCALBASE}/libdata/pkgconfig/Newtonsoft.Json.pc:devel/newtonsoft-json
 NUGET_DEPENDS=	nunit.framework=2.63.0
 
+USES=		dos2unix gmake mono:nuget pathfix
 USE_GITHUB=	yes
+
 GH_ACCOUNT=	google
 GH_TAGNAME=	b716bbc
 
-USES=		dos2unix gmake mono:nuget pathfix
 NUGET_LAYOUT=	flat
 PATHFIX_MAKEFILEIN=	Makefile
 WRKSRC_SUBDIR=	clients/cs
 DOS2UNIX_FILES=	${WRKSRC}/Makefile ${WRKSRC}/misc/gdata-sharp-core.pc.in
 MAKE_ARGS=	CSC=${LOCALBASE}/bin/csc SN=${LOCALBASE}/bin/sn
 NO_ARCH=	yes
 
 post-patch:
 	@${REINPLACE_CMD} -e 's|%%LOCALBASE%%|${LOCALBASE}|g' -Ee 's|(-keyfile:(.*))|\1 -delaysign+\'$$'\n'$$'\t''$$(SN) -R $$@ \2|g' ${WRKSRC}/Makefile
 
 post-install:
 	cd ${STAGEDIR}${PREFIX}; ${FIND} lib/mono libdata/pkgconfig \
 		\( -type f -or -type l \) | ${SORT} >> ${TMPPLIST}
 
 .include <bsd.port.mk>