diff --git a/0001-appliance-Use-a-glibc-trick-to-try-to-display-a-stac.patch b/0001-appliance-Use-a-glibc-trick-to-try-to-display-a-stac.patch
deleted file mode 100644
index 13b29a3..0000000
--- a/0001-appliance-Use-a-glibc-trick-to-try-to-display-a-stac.patch
+++ /dev/null
@@ -1,34 +0,0 @@
-From c598e14052399f19d36d7874d7133cba779bd3c2 Mon Sep 17 00:00:00 2001
-From: "Richard W.M. Jones" <rjones@redhat.com>
-Date: Thu, 14 Feb 2013 22:15:25 +0000
-Subject: [PATCH] appliance: Use a glibc trick to try to display a stack trace
- if a program in the appliance segfaults.
-
----
- appliance/init | 10 ++++++++++
- 1 file changed, 10 insertions(+)
-
-diff --git a/appliance/init b/appliance/init
-index dee4efc..e7e59da 100755
---- a/appliance/init
-+++ b/appliance/init
-@@ -10,6 +10,16 @@ RUNLEVEL=S
- PREVLEVEL=N
- export RUNLEVEL PREVLEVEL
- 
-+# Try to print a stack trace for segfaults inside the appliance.
-+for d in /lib64 /lib; do
-+  f=$d/libSegFault.so
-+  if [ -f "$f" ]; then
-+    LD_PRELOAD=$f
-+    export LD_PRELOAD
-+    break
-+  fi
-+done
-+
- mkdir -p /sysroot
- 
- if [ ! -d /proc ]; then rm -f /proc; fi
--- 
-1.8.1.2
-
diff --git a/libguestfs.spec b/libguestfs.spec
index 043b054..f68d3ee 100644
--- a/libguestfs.spec
+++ b/libguestfs.spec
@@ -33,8 +33,6 @@ Patch1:        ruby-1.9-vendor-not-site.patch
 BuildRequires: autoconf, automake, libtool, gettext-devel
 %endif
 
-Patch2:        0001-appliance-Use-a-glibc-trick-to-try-to-display-a-stac.patch
-
 # Basic build requirements:
 BuildRequires: perl(Pod::Simple)
 BuildRequires: perl(Pod::Man)
@@ -686,8 +684,6 @@ fi
 autoreconf -i
 %endif
 
-%patch2 -p1
-
 mkdir -p daemon/m4
 
 # Replace developer-centric README that ships with libguestfs, with
@@ -1036,6 +1032,10 @@ mkdir -p $RPM_BUILD_ROOT%{_localstatedir}/run/libguestfs
 
 
 %changelog
+* Tue Feb 19 2013 Richard W.M. Jones <rjones@redhat.com> - 1:1.21.12-1
+- New upstream version 1.21.12.
+- Remove patch, now upstream.
+
 * Thu Feb 14 2013 Richard W.M. Jones <rjones@redhat.com> - 1:1.21.11-2
 - New upstream version 1.21.11.
 - Add experimental patch to capture stack trace of segfaults in the appliance.
diff --git a/sources b/sources
index 973203a..87adcda 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-85bad8071ad14c610e0f77edc4f8c04f  libguestfs-1.21.11.tar.gz
+de96dc499fbb752d0a29e43148ba7103  libguestfs-1.21.12.tar.gz