diff --git a/pkgs/development/libraries/zint/default.nix b/pkgs/development/libraries/zint/default.nix
index fc6fd501c4d..15aecee196d 100644
--- a/pkgs/development/libraries/zint/default.nix
+++ b/pkgs/development/libraries/zint/default.nix
@@ -12,17 +12,15 @@
 
 stdenv.mkDerivation rec {
   pname = "zint";
-  version = "2.11.1";
+  version = "2.12.0";
 
   src = fetchFromGitHub {
     owner = "zint";
     repo = "zint";
     rev = version;
-    sha256 = "sha256-ozhXy7ftmGz1XvmF8AS1ifWJ3Q5hLSsysB8qLUP60n8=";
+    hash = "sha256-Ay6smir6zUpadmw1WpU+F7e9t7Gk3JNVtf2VVu92bDk=";
   };
 
-  patches = [ ./qobject.patch ];
-
   outputs = [ "out" "dev" ];
 
   nativeBuildInputs = [ cmake wrapQtAppsHook ];
diff --git a/pkgs/development/libraries/zint/qobject.patch b/pkgs/development/libraries/zint/qobject.patch
deleted file mode 100644
index f991d52648f..00000000000
--- a/pkgs/development/libraries/zint/qobject.patch
+++ /dev/null
@@ -1,12 +0,0 @@
-diff --git a/backend_qt/qzint.h b/backend_qt/qzint.h
-index d57ab6a..62fb0a4 100644
---- a/backend_qt/qzint.h
-+++ b/backend_qt/qzint.h
-@@ -19,6 +19,7 @@
- #ifndef QZINT_H
- #define QZINT_H
- 
-+#include <QObject>
- #include <QColor>
- #include <QPainter>
- #include "zint.h"