diff --git a/mail/thunderbird/Makefile b/mail/thunderbird/Makefile
index b10aabde123b..ac35d61ebe9a 100644
--- a/mail/thunderbird/Makefile
+++ b/mail/thunderbird/Makefile
@@ -19,7 +19,6 @@ BUILD_DEPENDS=	nspr>=4.10.8:${PORTSDIR}/devel/nspr \
 		harfbuzz>=0.9.34:${PORTSDIR}/print/harfbuzz \
 		graphite2>=1.2.4:${PORTSDIR}/graphics/graphite2 \
 		libvorbis>=1.3.5,3:${PORTSDIR}/audio/libvorbis \
-		opus>=1.1:${PORTSDIR}/audio/opus \
 		libvpx>=1.3.0:${PORTSDIR}/multimedia/libvpx \
 		sqlite3>=3.8.9:${PORTSDIR}/databases/sqlite3 \
 		${PYTHON_PKGNAMEPREFIX}sqlite3>0:${PORTSDIR}/databases/py-sqlite3 \