diff --git a/pkgs/development/octave-modules/quaternion/default.nix b/pkgs/development/octave-modules/quaternion/default.nix
index 91e572da06d7..0fe0f7a33464 100644
--- a/pkgs/development/octave-modules/quaternion/default.nix
+++ b/pkgs/development/octave-modules/quaternion/default.nix
@@ -6,21 +6,13 @@
 
 buildOctavePackage rec {
   pname = "quaternion";
-  version = "2.4.1";
+  version = "2.4.2";
 
   src = fetchurl {
     url = "mirror://sourceforge/octave/${pname}-${version}.tar.gz";
-    sha256 = "sha256-kY5mU7dJuUjprub+LTc1BH6YGdEnP9ydX0lRU0fmOYE=";
+    sha256 = "sha256-S8tkdDlyaT8E7W0v6kkGs4qTU/G4DG5vLQvA9vjPOgc=";
   };
 
-  # Octave replaced many of the is_thing_type check function with isthing.
-  # The patch changes the occurrences of the old functions.
-  patchPhase = ''
-    sed -i s/is_numeric_type/isnumeric/g src/*.cc
-    sed -i s/is_real_type/isreal/g src/*.cc
-    sed -i s/is_bool_type/islogical/g src/*.cc
-  '';
-
   meta = {
     homepage = "https://gnu-octave.github.io/packages/quaternion/";
     license = lib.licenses.gpl3Plus;