diff --git a/pkgs/by-name/ms/mstflint/package.nix b/pkgs/by-name/ms/mstflint/package.nix
index 2458926237b4..b3e6426eedd4 100644
--- a/pkgs/by-name/ms/mstflint/package.nix
+++ b/pkgs/by-name/ms/mstflint/package.nix
@@ -2,7 +2,6 @@
   lib,
   stdenv,
   fetchurl,
-  fetchpatch,
   rdma-core,
   openssl,
   zlib,
@@ -29,21 +28,13 @@ stdenv.mkDerivation rec {
   pname = "mstflint";
 
   # if you update the version of this package, also update the input hash in mstflint_access!
-  version = "4.31.0-1";
+  version = "4.34.0-1";
 
   src = fetchurl {
     url = "https://github.com/Mellanox/mstflint/releases/download/v${version}/mstflint-${version}.tar.gz";
-    hash = "sha256-wBUkFOdYChiSXHcH6+LLZZ06Hte4ABWjW+pNcjtk+Oc=";
+    hash = "sha256-MOFfbrjwnWXVskFCF2pgjf1Z8nkZV0l+CLfGWzxmmIg=";
   };
 
-  patches = [
-    # fixes build errors due to missing declarations in headers
-    (fetchpatch {
-      url = "https://patch-diff.githubusercontent.com/raw/Mellanox/mstflint/pull/1131.patch";
-      sha256 = "sha256-tn8EO9HkDrMroV6byUPgjclBIK8tq4xGyi4Kx/rIj+w=";
-    })
-  ];
-
   nativeBuildInputs = [
     autoconf
     automake