diff --git a/community/giac/PKGBUILD b/community/giac/PKGBUILD
index 75a4988ff..e6c08cde4 100644
--- a/community/giac/PKGBUILD
+++ b/community/giac/PKGBUILD
@@ -4,9 +4,9 @@
 #  - delete shipped x86 binary src/mkjs to force rebuild for ARM
 
 pkgname=giac
-_pkgver=1.9.0-21
+_pkgver=1.9.0-23
 pkgver=${_pkgver//-/.}
-pkgrel=2
+pkgrel=1
 pkgdesc='A free computer algebra system'
 arch=(x86_64)
 url='http://www-fourier.ujf-grenoble.fr/~parisse/giac.html'
@@ -17,15 +17,12 @@ optdepends=('perl: for pgiac')
 replaces=(libgiac xcas)
 provides=(libgiac xcas)
 source=(http://www-fourier.ujf-grenoble.fr/~parisse/debian/dists/stable/main/source/${pkgname}_$_pkgver.tar.gz
-        giac-test-pari-2.11.patch
         giac-pari-2.15.patch)
-sha256sums=('120cd16f2e033817302d2a03a22bd413dc1d85df8b225ba4f76b93a7805b07fe'
-            'c5f091986f0a0807fc1ae5a3b7454132816e9bc3ed64411f0a7bdf90a8c8e624'
+sha256sums=('b98e3c90977aedf45748582b45b5127285f46d83fe8e6f3632f41dcb56527a1e'
             'cb1d6e783f2a1f05c2ec7319874089e6a2ab6316f65661087796452b9b8efb21')
 
 prepare() {
   cd $pkgname-${pkgver%.*}
-  patch -p1 < ../giac-test-pari-2.11.patch # Fix tests with pari 2.11
   patch -p1 < ../giac-pari-2.15.patch # Fix build with pari 2.15
   rm -f src/mkjs # force rebuild for ARM
 }
@@ -37,12 +34,6 @@ build() {
   make
 }
 
-check() {
-  cd $pkgname-${pkgver%.*}
-
-#  make check
-}
-
 package() {
   cd $pkgbase-${pkgver%.*}
   make DESTDIR="$pkgdir" install
diff --git a/community/giac/giac-test-pari-2.11.patch b/community/giac/giac-test-pari-2.11.patch
deleted file mode 100644
index 24142257a..000000000
--- a/community/giac/giac-test-pari-2.11.patch
+++ /dev/null
@@ -1,17 +0,0 @@
-Change test output for PARI 2.11
-
-See https://trac.sagemath.org/ticket/25567
-and https://xcas.univ-grenoble-alpes.fr/forum/viewtopic.php?f=4&t=2102
-
-diff -ru a/check/TP11-sol.cas.out1 b/check/TP11-sol.cas.out1
---- a/check/TP11-sol.cas.out1	2014-10-21 10:51:48.000000000 +0200
-+++ b/check/TP11-sol.cas.out1	2018-08-07 17:04:12.528052773 +0200
-@@ -10,7 +10,7 @@
- 1073741824000000000000000000061203284109000000000000000000000000008409,
- 2^3*3*389*733*156904374622257604823879982847602392900751802349981470895277241,
- "Done",
--matrix[[2,7,1],[3,2,1],[389,2,1],[733,2,1],[156904374622257604823879982847602392900751802349981470895277241,2,matrix[[2,13,1],[3,3,1],[5,2,1],[7,2,1],[56467,2,1],[6553084925887974620811527,2,matrix[[2,5,1],[19,2,1],[71,2,1],[126823,2,1]]]]]],
-+1,
- 0,
- [],
- 1,