diff --git a/pkgs/tools/security/ibm-sw-tpm2/default.nix b/pkgs/tools/security/ibm-sw-tpm2/default.nix
index c5b738678aa2..012d492aacad 100644
--- a/pkgs/tools/security/ibm-sw-tpm2/default.nix
+++ b/pkgs/tools/security/ibm-sw-tpm2/default.nix
@@ -1,23 +1,14 @@
-{ stdenv, fetchurl, fetchpatch, lib, openssl }:
+{ stdenv, fetchurl, lib, openssl }:
 
 stdenv.mkDerivation rec {
   pname = "ibm-sw-tpm2";
-  version = "1661";
+  version = "1682";
 
   src = fetchurl {
     url = "mirror://sourceforge/ibmswtpm2/ibmtpm${version}.tar.gz";
-    sha256 = "sha256-VRRZKK0rJPNL5qDqz5+0kuEODqkZuEKMch+pcOhdYUc=";
+    hash = "sha256-PLZC+HGheyPVCwRuX5X0ScIodBX8HnrrS9u4kg28s48=";
   };
 
-  patches = [
-    (fetchpatch {
-      url = "https://github.com/kgoldman/ibmswtpm2/commit/e6684009aff9c1bad38875e3319c2e02ef791424.patch";
-      sha256 = "1flzlri807c88agmpb0w8xvh5f16mmqv86xw4ic4z272iynzd40j";
-    })
-  ];
-
-  patchFlags = [ "-p2" ];
-
   buildInputs = [ openssl ];
 
   sourceRoot = "src";
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index b123d2482ae9..7cfe6000a8ad 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -7761,9 +7761,7 @@ with pkgs;
 
   jamulus = libsForQt5.callPackage ../applications/audio/jamulus { };
 
-  ibm-sw-tpm2 = callPackage ../tools/security/ibm-sw-tpm2 {
-    openssl = openssl_1_1;
-  };
+  ibm-sw-tpm2 = callPackage ../tools/security/ibm-sw-tpm2 { };
 
   ibniz = callPackage ../tools/graphics/ibniz { };