diff --git a/pkgs/by-name/sp/splitcode/package.nix b/pkgs/by-name/sp/splitcode/package.nix
index 15e5973ee38c..ab3d6fe420dd 100644
--- a/pkgs/by-name/sp/splitcode/package.nix
+++ b/pkgs/by-name/sp/splitcode/package.nix
@@ -9,13 +9,13 @@
 }:
 stdenv.mkDerivation (finalAttrs: {
   pname = "splitcode";
-  version = "0.31.5";
+  version = "0.31.6";
 
   src = fetchFromGitHub {
     owner = "pachterlab";
     repo = "splitcode";
     tag = "v${finalAttrs.version}";
-    hash = "sha256-x2N+IQHB6gbEKTEofsWy7SwVf1lvRxh5f93avtAs8fM=";
+    hash = "sha256-80XrLr6gk398a/JVSpb8j0i2pMEDKn0EnTiSw7cWS2c=";
   };
 
   nativeBuildInputs = [ cmake ];
@@ -25,12 +25,6 @@ stdenv.mkDerivation (finalAttrs: {
     zlib
   ];
 
-  postPatch = ''
-    # https://github.com/pachterlab/splitcode/pull/46
-    substituteInPlace CMakeLists.txt \
-      --replace-fail 2.8.12 3.10
-  '';
-
   doCheck = true;
   checkPhase = ''
     mkdir func_tests
@@ -44,7 +38,8 @@ stdenv.mkDerivation (finalAttrs: {
     description = "Tool for flexible, efficient parsing, interpreting, and editing of technical sequences in sequencing reads";
     homepage = "https://github.com/pachterlab/splitcode";
     license = lib.licenses.bsd2;
-    platforms = lib.platforms.all;
+    # also compiles on macos, but since it seems to return invalid results.
+    platforms = lib.platforms.linux;
     maintainers = with lib.maintainers; [ zimward ];
     mainProgram = "splitcode";
     badPlatforms = [