diff --git a/pkgs/development/libraries/science/math/suitesparse/4.2.nix b/pkgs/development/libraries/science/math/suitesparse/4.2.nix
deleted file mode 100644
index 67f580b145dc..000000000000
--- a/pkgs/development/libraries/science/math/suitesparse/4.2.nix
+++ /dev/null
@@ -1,57 +0,0 @@
-{
-  lib,
-  stdenv,
-  fetchurl,
-  gfortran,
-  blas,
-  lapack,
-}:
-
-let
-  int_t = if blas.isILP64 then "int64_t" else "int32_t";
-in
-stdenv.mkDerivation rec {
-  version = "4.2.1";
-  pname = "suitesparse";
-  src = fetchurl {
-    url = "http://www.cise.ufl.edu/research/sparse/SuiteSparse/SuiteSparse-${version}.tar.gz";
-    sha256 = "1ga69637x7kdkiy3w3lq9dvva7220bdangv2lch2wx1hpi83h0p8";
-  };
-
-  nativeBuildInputs = [ gfortran ];
-  buildInputs = [
-    blas
-    lapack
-  ];
-
-  preConfigure = ''
-    mkdir -p $out/lib
-    mkdir -p $out/include
-
-    sed -i "SuiteSparse_config/SuiteSparse_config.mk" \
-        -e 's/METIS .*$/METIS =/' \
-        -e 's/METIS_PATH .*$/METIS_PATH =/' \
-        -e '/CHOLMOD_CONFIG/ s/$/-DNPARTITION -DLONGBLAS=${int_t}/' \
-        -e '/UMFPACK_CONFIG/ s/$/-DLONGBLAS=${int_t}/'
-  '';
-
-  makeFlags = [
-    "PREFIX=\"$(out)\""
-    "INSTALL_LIB=$(out)/lib"
-    "INSTALL_INCLUDE=$(out)/include"
-    "BLAS=-lblas"
-    "LAPACK=-llapack"
-  ];
-
-  meta = with lib; {
-    homepage = "http://faculty.cse.tamu.edu/davis/suitesparse.html";
-    description = "Suite of sparse matrix algorithms";
-    license = with licenses; [
-      bsd2
-      gpl2Plus
-      lgpl21Plus
-    ];
-    maintainers = with maintainers; [ ttuegel ];
-    platforms = with platforms; unix;
-  };
-}
diff --git a/pkgs/top-level/aliases.nix b/pkgs/top-level/aliases.nix
index 09437a2a5707..171a6d09d0e8 100644
--- a/pkgs/top-level/aliases.nix
+++ b/pkgs/top-level/aliases.nix
@@ -1770,6 +1770,7 @@ mapAliases {
   strelka = throw "strelka depends on Python 2.6+, and does not support Python 3."; # Added 2025-03-17
   subberthehut = throw "'subberthehut' has been removed as it was unmaintained upstream"; # Added 2025-05-17
   suidChroot = throw "'suidChroot' has been dropped as it was unmaintained, failed to build and had questionable security considerations"; # Added 2025-05-17
+  suitesparse_4_2 = throw "'suitesparse_4_2' has been removed as it was unmaintained upstream"; # Added 2025-05-17
   suitesparse_4_4 = throw "'suitesparse_4_4' has been removed as it was unmaintained upstream"; # Added 2025-05-17
   sumneko-lua-language-server = lua-language-server; # Added 2023-02-07
   sumokoin = throw "sumokoin has been removed as it was abandoned upstream"; # Added 2024-11-23
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 1891c332c6f2..9e37d2723b1e 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -15708,7 +15708,6 @@ with pkgs;
 
   sageWithDoc = sage.override { withDoc = true; };
 
-  suitesparse_4_2 = callPackage ../development/libraries/science/math/suitesparse/4.2.nix { };
   suitesparse_5_3 = callPackage ../development/libraries/science/math/suitesparse {
     inherit (llvmPackages) openmp;
   };
diff --git a/pkgs/top-level/release-alternatives.nix b/pkgs/top-level/release-alternatives.nix
index 4ffd0ffd99ff..8d48ee27ce0f 100644
--- a/pkgs/top-level/release-alternatives.nix
+++ b/pkgs/top-level/release-alternatives.nix
@@ -19,7 +19,6 @@ let
     "octopus"
     "superlu"
     "suitesparse_5_3"
-    "suitesparse_4_2"
     "scs"
     "scalapack"
     "petsc"
@@ -95,7 +94,6 @@ let
     "rspamd"
     "sundials"
     "suitesparse_5_3"
-    "suitesparse_4_2"
     "petsc"
     "cholmod-extra"
     "arpack"