diff --git a/pkgs/applications/virtualization/OVMF/default.nix b/pkgs/applications/virtualization/OVMF/default.nix
index ca2c0f890d9a..b921e63ec9fe 100644
--- a/pkgs/applications/virtualization/OVMF/default.nix
+++ b/pkgs/applications/virtualization/OVMF/default.nix
@@ -1,5 +1,5 @@
 { stdenv, nixosTests, lib, edk2, util-linux, nasm, acpica-tools, llvmPackages
-, csmSupport ? false, seabios ? null
+, csmSupport ? false, seabios
 , fdSize2MB ? csmSupport
 , fdSize4MB ? false
 , secureBoot ? false
@@ -12,8 +12,6 @@
 , sourceDebug ? false
 }:
 
-assert csmSupport -> seabios != null;
-
 let
 
   projectDscPath = if stdenv.isi686 then
@@ -68,7 +66,7 @@ edk2.mkDerivation projectDscPath (finalAttrs: {
   env.PYTHON_COMMAND = "python3";
 
   postPatch = lib.optionalString csmSupport ''
-    cp ${seabios}/Csm16.bin OvmfPkg/Csm/Csm16/Csm16.bin
+    cp ${seabios}/share/seabios/Csm16.bin OvmfPkg/Csm/Csm16/Csm16.bin
   '';
 
   postFixup = (
diff --git a/pkgs/applications/virtualization/seabios/default.nix b/pkgs/applications/virtualization/seabios/default.nix
deleted file mode 100644
index 6256660161c1..000000000000
--- a/pkgs/applications/virtualization/seabios/default.nix
+++ /dev/null
@@ -1,50 +0,0 @@
-{ lib, stdenv, fetchgit, acpica-tools, python3 }:
-
-stdenv.mkDerivation rec {
-
-  pname = "seabios";
-  version = "1.16.2";
-
-  src = fetchgit {
-    url = "https://git.seabios.org/seabios.git";
-    rev = "rel-${version}";
-    sha256 = "sha256-J2FuT+FXn9YoFLSfxDOxyKZvKrys59a6bP1eYvEXVNU=";
-  };
-
-  nativeBuildInputs = [ python3 ];
-
-  buildInputs = [ acpica-tools ];
-
-  strictDeps = true;
-
-  hardeningDisable = [ "pic" "stackprotector" "fortify" ];
-
-  configurePhase = ''
-    # build SeaBIOS for CSM
-    cat > .config << EOF
-    CONFIG_CSM=y
-    CONFIG_QEMU_HARDWARE=y
-    CONFIG_PERMIT_UNALIGNED_PCIROM=y
-    EOF
-
-    make olddefconfig
-  '';
-
-  installPhase = ''
-    mkdir $out
-    cp out/Csm16.bin $out/Csm16.bin
-  '';
-
-  meta = with lib; {
-    description = "Open source implementation of a 16bit X86 BIOS";
-    longDescription = ''
-      SeaBIOS is an open source implementation of a 16bit X86 BIOS.
-      It can run in an emulator or it can run natively on X86 hardware with the use of coreboot.
-      SeaBIOS is the default BIOS for QEMU and KVM.
-    '';
-    homepage = "http://www.seabios.org";
-    license = licenses.lgpl3;
-    maintainers = with maintainers; [ ];
-    platforms = [ "i686-linux" "x86_64-linux" ];
-  };
-}
diff --git a/pkgs/applications/virtualization/xen/4.15.nix b/pkgs/applications/virtualization/xen/4.15.nix
index 11f5900ee84c..5cc81fc0ab85 100644
--- a/pkgs/applications/virtualization/xen/4.15.nix
+++ b/pkgs/applications/virtualization/xen/4.15.nix
@@ -122,7 +122,7 @@ callPackage (import ./generic.nix (rec {
     ++ optional (withInternalTraditionalQemu) "--enable-qemu-traditional"
     ++ optional (!withInternalTraditionalQemu) "--disable-qemu-traditional"
 
-    ++ optional (withSeabios) "--with-system-seabios=${seabios}"
+    ++ optional (withSeabios) "--with-system-seabios=${seabios}/share/seabios"
     ++ optional (!withInternalSeabios && !withSeabios) "--disable-seabios"
 
     ++ optional (withOVMF) "--with-system-ovmf=${OVMF.fd}/FV/OVMF.fd"
diff --git a/pkgs/by-name/se/seabios/package.nix b/pkgs/by-name/se/seabios/package.nix
new file mode 100644
index 000000000000..713f58702113
--- /dev/null
+++ b/pkgs/by-name/se/seabios/package.nix
@@ -0,0 +1,72 @@
+{ lib
+, stdenv
+, fetchgit
+, acpica-tools
+, python3
+, writeText
+}:
+
+stdenv.mkDerivation (finalAttrs: {
+  pname = "seabios";
+  version = "1.16.3";
+
+  src = fetchgit {
+    url = "https://git.seabios.org/seabios.git";
+    rev = "rel-${finalAttrs.version}";
+    hash = "sha256-hWemj83cxdY8p+Jhkh5GcPvI0Sy5aKYZJCsKDjHTUUk=";
+  };
+
+  outputs = [ "out" "doc" ];
+
+  nativeBuildInputs = [ python3 ];
+
+  buildInputs = [ acpica-tools ];
+
+  strictDeps = true;
+
+  makeFlags = [
+    # https://www.seabios.org/Build_overview#Distribution_builds
+    "EXTRAVERSION=\"-nixpkgs\""
+  ];
+
+  hardeningDisable = [ "pic" "stackprotector" "fortify" ];
+
+  postConfigure = let
+    config = writeText "config.txt" (lib.generators.toKeyValue { } {
+      # SeaBIOS with CSM (Compatible Support Module) support; learn more at
+      # https://www.electronicshub.org/what-is-csm-bios/
+      "CONFIG_CSM" = "y";
+      "CONFIG_PERMIT_UNALIGNED_PCIROM" = "y";
+      "CONFIG_QEMU_HARDWARE" = "y";
+    });
+  in ''
+    cp ${config} .config
+    make olddefconfig
+  '';
+
+  installPhase = ''
+    runHook preInstall
+
+    mkdir -pv $doc/share/doc/seabios-${finalAttrs.version}/
+    cp -v docs/* $doc/share/doc/seabios-${finalAttrs.version}/
+    install -Dm644 out/Csm16.bin -t $out/share/seabios/
+
+    runHook postInstall
+  '';
+
+  meta = {
+    homepage = "https://www.seabios.org";
+    description = "Open source implementation of a 16bit x86 BIOS";
+    longDescription = ''
+      SeaBIOS is an open source implementation of a 16bit x86 BIOS.
+      It can run in an emulator or it can run natively on x86 hardware with the
+      use of coreboot.
+    '';
+    license = with lib.licenses; [ lgpl3Plus ];
+    maintainers = with lib.maintainers; [ AndersonTorres ];
+    platforms = lib.systems.inspect.patternLogicalAnd
+      lib.systems.inspect.patterns.isUnix
+      lib.systems.inspect.patterns.isx86;
+    badPlatforms = [ lib.systems.inspect.patterns.isDarwin ];
+  };
+})
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 914cd749788d..f9ccb48c3e35 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -27104,8 +27104,6 @@ with pkgs;
 
   ops = callPackage ../applications/virtualization/ops { };
 
-  seabios = callPackage ../applications/virtualization/seabios { };
-
   vmfs-tools = callPackage ../tools/filesystems/vmfs-tools { };
 
   patroni = callPackage ../servers/sql/patroni { pythonPackages = python3Packages; };