diff --git a/petsc-3.17-bug1147.patch b/petsc-3.17-bug1147.patch
deleted file mode 100644
index 0d0b706..0000000
--- a/petsc-3.17-bug1147.patch
+++ /dev/null
@@ -1,25 +0,0 @@
-From 06774d3d302eeeee8eae1bfbcd0fa812d7f0f160 Mon Sep 17 00:00:00 2001
-From: Pierre Jolivet <pierre@joliv.et>
-Date: Sat, 2 Apr 2022 18:06:13 +0200
-Subject: [PATCH] configure: fix #1147
-
----
- config/BuildSystem/config/packages/MPI.py | 2 +-
- 1 file changed, 1 insertion(+), 1 deletion(-)
-
-diff --git a/config/BuildSystem/config/packages/MPI.py b/config/BuildSystem/config/packages/MPI.py
-index 7431bb3ae48..4e6a4d8ea1f 100644
---- a/config/BuildSystem/config/packages/MPI.py
-+++ b/config/BuildSystem/config/packages/MPI.py
-@@ -394,7 +394,7 @@ Unable to run hostname to check the network')
-       if (MPI_Finalized(&flag)) return 0;
-       if (MPI_Type_dup(MPI_INT,&newtype)) return 0;
-       if (MPI_Exscan(sendbuf,recvbuf,1,MPI_INT,MPI_SUM,MPI_COMM_WORLD)) return 0;
--      if (MPI_Reduce_scatter(sendbuf,recvbuf,1,MPI_INT,MPI_SUM,MPI_COMM_WORLD)) return 0;
-+      if (MPI_Reduce_scatter(sendbuf,recvbuf,sendbuf,MPI_INT,MPI_SUM,MPI_COMM_WORLD)) return 0;
-       if (MPI_Type_get_envelope(MPI_INT,&a,&b,&c,&d)) return 0;
-     '''):
-       raise RuntimeError('PETSc requires some of the MPI-2.0 (1997), MPI-2.1 (2008) functions - they are not available with the specified MPI library')
--- 
-GitLab
-