diff --git a/srcpkgs/jack/patches/fix-narrowing.patch b/srcpkgs/jack/patches/fix-narrowing.patch
deleted file mode 100644
index ae98ba6f430..00000000000
--- a/srcpkgs/jack/patches/fix-narrowing.patch
+++ /dev/null
@@ -1,22 +0,0 @@
-Fix for gcc6 -Wnarrowing error.
-
---- tests/iodelay.cpp	2014-07-18 14:28:13.000000000 +0200
-+++ tests/iodelay.cpp	2016-09-11 18:12:00.563013354 +0200
-@@ -167,8 +167,8 @@
- static jack_port_t    *jack_capt;
- static jack_port_t    *jack_play;
- 
--jack_latency_range_t   capture_latency = {-1, -1};
--jack_latency_range_t   playback_latency = {-1, -1};
-+jack_latency_range_t   capture_latency = {(jack_nframes_t)-1, (jack_nframes_t)-1};
-+jack_latency_range_t   playback_latency = {(jack_nframes_t)-1, (jack_nframes_t)-1};
- 
- void
- latency_cb (jack_latency_callback_mode_t mode, void *arg)
-@@ -266,4 +266,4 @@
-     return 0;
- }
- 
--// --------------------------------------------------------------------------------
-\ Kein Zeilenumbruch am Dateiende.
-+// --------------------------------------------------------------------------------
diff --git a/srcpkgs/jack/patches/gcc7-abs_type.patch b/srcpkgs/jack/patches/gcc7-abs_type.patch
deleted file mode 100644
index 2340be8ddbf..00000000000
--- a/srcpkgs/jack/patches/gcc7-abs_type.patch
+++ /dev/null
@@ -1,11 +0,0 @@
---- tests/test.cpp	2014-07-19 15:34:15.000000000 +0200
-+++ tests/test.cpp	2017-05-10 01:32:47.852989559 +0200
-@@ -480,7 +480,7 @@
- 	jack_nframes_t delta_time = cur_time - last_time;
- 
- 	Log("calling process4 callback : jack_frame_time = %ld delta_time = %ld\n", cur_time, delta_time);
--	if (delta_time > 0  && (jack_nframes_t)abs(delta_time - cur_buffer_size) > tolerance) {
-+	if (delta_time > 0  && (jack_nframes_t)abs((int)(delta_time - cur_buffer_size)) > tolerance) {
- 		printf("!!! ERROR !!! jack_frame_time seems to return incorrect values cur_buffer_size = %d, delta_time = %d tolerance %d\n", cur_buffer_size, delta_time, tolerance);
- 	}
- 
diff --git a/srcpkgs/jack/template b/srcpkgs/jack/template
index 44033611a34..925d8b7311f 100644
--- a/srcpkgs/jack/template
+++ b/srcpkgs/jack/template
@@ -1,6 +1,6 @@
 # Template file for 'jack'
 pkgname=jack
-version=1.9.10
+version=1.9.12
 revision=11
 wrksrc="jack2-${version}"
 # XXX libffado (firewire)
@@ -12,7 +12,7 @@ maintainer="Juan RP <xtraeme@voidlinux.eu>"
 license="GPL-2, LGPL-2.1"
 homepage="http://jackaudio.org/"
 distfiles="https://github.com/jackaudio/jack2/archive/v${version}.tar.gz"
-checksum=88f1b6601b7c8950e6a2d5940b423a33ee628ae5583da40bdce3d9317d8c600d
+checksum=deefe2f936dc32f59ad3cef7e37276c2035ef8a024ca92118f35c9a292272e33
 
 if [ -z "CROSS_BUILD" ]; then
 	makedepends+=" eigen"