diff --git a/pkgs/applications/office/gnucash/cmake_check_symbol_exists.patch b/pkgs/applications/office/gnucash/cmake_check_symbol_exists.patch
deleted file mode 100644
index 5e0ae68e17c..00000000000
--- a/pkgs/applications/office/gnucash/cmake_check_symbol_exists.patch
+++ /dev/null
@@ -1,12 +0,0 @@
-Index: gnucash-3.6/gnucash/register/register-gnome/CMakeLists.txt
-===================================================================
---- gnucash-3.6.orig/gnucash/register/register-gnome/CMakeLists.txt
-+++ gnucash-3.6/gnucash/register/register-gnome/CMakeLists.txt
-@@ -1,6 +1,7 @@
- add_subdirectory(test)
- 
- #GTK before 3.14 didn't have GDK_MODIFIER_INTENT_DEFAULT_MOD_MASK
-+include(CheckSymbolExists)
- check_symbol_exists(GDK_MODIFIER_INTENT_DEFAULT_MOD_MASK gdk/gdktypes.h have_mod_mask)
- if (NOT have_mod_mask)
- if (MAC_INTEGRATION)
diff --git a/pkgs/applications/office/gnucash/default.nix b/pkgs/applications/office/gnucash/default.nix
index 641d400886f..29a96aac5c4 100644
--- a/pkgs/applications/office/gnucash/default.nix
+++ b/pkgs/applications/office/gnucash/default.nix
@@ -25,11 +25,11 @@ in
 
 stdenv.mkDerivation rec {
   pname = "gnucash";
-  version = "3.10";
+  version = "4.2";
 
   src = fetchurl {
     url = "mirror://sourceforge/gnucash/${pname}-${version}.tar.bz2";
-    sha256 = "05kgg7mhizndwn7icnarqk3c19xrzfawf90y9nb3jdm6fv1741xn";
+    sha256 = "020k1mm909dcgs52ls4v7xx3yn8gqazi9awyr81l6y7pkq1spn2n";
   };
 
   nativeBuildInputs = [ pkgconfig makeWrapper cmake gtest ];
@@ -46,8 +46,6 @@ stdenv.mkDerivation rec {
   # glib-2.62 deprecations
   NIX_CFLAGS_COMPILE = "-DGLIB_DISABLE_DEPRECATION_WARNINGS";
 
-  patches = [ ./cmake_check_symbol_exists.patch ];
-
   postPatch = ''
     patchShebangs .
   '';