diff --git a/pkgs/by-name/pr/proton-drive/package.nix b/pkgs/by-name/pr/proton-drive/package.nix
new file mode 100644
index 0000000000000..05486c71ca491
--- /dev/null
+++ b/pkgs/by-name/pr/proton-drive/package.nix
@@ -0,0 +1,71 @@
+{
+  lib,
+  stdenvNoCC,
+  _7zz,
+  common-updater-scripts,
+  curl,
+  fetchurl,
+  jq,
+  writeShellScript,
+}:
+
+stdenvNoCC.mkDerivation (finalAttrs: {
+  pname = "proton-drive";
+  version = "2.10.2";
+
+  src = finalAttrs.passthru.sources.${stdenvNoCC.hostPlatform.system};
+
+  sourceRoot = ".";
+
+  strictDeps = true;
+  nativeBuildInputs = [ _7zz ];
+
+  installPhase = ''
+    runHook preInstall
+
+    mkdir -p $out/Applications
+    cp -R "./Proton Drive.app" $out/Applications
+
+    runHook postInstall
+  '';
+
+  passthru = {
+    sources = {
+      "aarch64-darwin" = fetchurl {
+        url = "https://proton.me/download/drive/macos/${finalAttrs.version}/ProtonDrive-${finalAttrs.version}.dmg";
+        hash = "sha256-0rj2ZwMJ4aHmq6QU4+Kd3SIIgxASL6eBC06/c/iJ3/Q=";
+      };
+      "x86_64-darwin" = finalAttrs.passthru.sources."aarch64-darwin";
+    };
+    updateScript = writeShellScript "update-proton-drive" ''
+      set -o errexit
+      export PATH="${
+        lib.makeBinPath [
+          curl
+          jq
+          common-updater-scripts
+        ]
+      }"
+      NEW_VERSION=$(curl --silent https://proton.me/download/drive/macos/version.json | jq -r '[.Releases[] | select(.CategoryName == "Stable")] | first | .Version')
+      if [[ "${finalAttrs.version}" = "$NEW_VERSION" ]]; then
+          echo "The new version is the same as the old version."
+          exit 0
+      fi
+      for platform in ${lib.escapeShellArgs finalAttrs.meta.platforms}; do
+        update-source-version "proton-drive" "$NEW_VERSION" --ignore-same-version --source-key="sources.$platform"
+      done
+    '';
+  };
+
+  meta = {
+    description = "Official ProtonDrive app for darwin";
+    homepage = "https://proton.me/drive";
+    license = lib.licenses.gpl3;
+    maintainers = with lib.maintainers; [ delafthi ];
+    platforms = [
+      "x86_64-darwin"
+      "aarch64-darwin"
+    ];
+    sourceProvenance = with lib.sourceTypes; [ binaryNativeCode ];
+  };
+})
diff --git a/pkgs/by-name/qu/QuadProgpp/package.nix b/pkgs/by-name/qu/QuadProgpp/package.nix
deleted file mode 100644
index 50861e076df69..0000000000000
--- a/pkgs/by-name/qu/QuadProgpp/package.nix
+++ /dev/null
@@ -1,34 +0,0 @@
-{
-  lib,
-  stdenv,
-  fetchFromGitHub,
-  cmake,
-}:
-
-stdenv.mkDerivation {
-  pname = "quadprogpp";
-  version = "1.2.2-unstable-2025-12-03";
-
-  src = fetchFromGitHub {
-    owner = "liuq";
-    repo = "QuadProgpp";
-    rev = "0c25447365c980876fdc395f55d60300a5e5793c";
-    hash = "sha256-yXKctOTBbUNiSM2j7hKfSvd1i7FH7kcgP990DXVkrRY=";
-  };
-
-  nativeBuildInputs = [
-    cmake
-  ];
-
-  meta = {
-    description = "C++ library for Quadratic Programming";
-    longDescription = ''
-      QuadProg++ is a C++ library for Quadratic Programming which implements
-      the Goldfarb-Idnani active-set dual method.
-    '';
-    homepage = "https://github.com/liuq/QuadProgpp";
-    license = lib.licenses.mit;
-    maintainers = with lib.maintainers; [ wegank ];
-    platforms = lib.platforms.all;
-  };
-}
diff --git a/pkgs/by-name/un/unixODBC/package.nix b/pkgs/by-name/un/unixODBC/package.nix
deleted file mode 100644
index 15393de858d5d..0000000000000
--- a/pkgs/by-name/un/unixODBC/package.nix
+++ /dev/null
@@ -1,30 +0,0 @@
-{
-  lib,
-  stdenv,
-  fetchurl,
-}:
-
-stdenv.mkDerivation rec {
-  pname = "unixODBC";
-  version = "2.3.12";
-
-  src = fetchurl {
-    urls = [
-      "ftp://ftp.unixodbc.org/pub/unixODBC/${pname}-${version}.tar.gz"
-      "https://www.unixodbc.org/${pname}-${version}.tar.gz"
-    ];
-    sha256 = "sha256-8hBQFEXOIb9ge6Ue+MEl4Q4i3/3/7Dd2RkYt9fAZFew=";
-  };
-
-  configureFlags = [
-    "--disable-gui"
-    "--sysconfdir=/etc"
-  ];
-
-  meta = {
-    description = "ODBC driver manager for Unix";
-    homepage = "https://www.unixodbc.org/";
-    license = lib.licenses.lgpl2;
-    platforms = lib.platforms.unix;
-  };
-}
diff --git a/pkgs/by-name/xx/xxHash/package.nix b/pkgs/by-name/xx/xxHash/package.nix
deleted file mode 100644
index bb6ef12918a2a..0000000000000
--- a/pkgs/by-name/xx/xxHash/package.nix
+++ /dev/null
@@ -1,47 +0,0 @@
-{
-  lib,
-  stdenv,
-  fetchFromGitHub,
-  cmake,
-}:
-
-stdenv.mkDerivation (finalAttrs: {
-  pname = "xxHash";
-  version = "0.8.3";
-
-  src = fetchFromGitHub {
-    owner = "Cyan4973";
-    repo = "xxHash";
-    rev = "v${finalAttrs.version}";
-    hash = "sha256-h6kohM+NxvQ89R9NEXZcYBG2wPOuB4mcyPfofKrx9wQ=";
-  };
-
-  nativeBuildInputs = [
-    cmake
-  ];
-
-  # Using unofficial CMake build script to install CMake module files.
-  cmakeDir = "../cmake_unofficial";
-
-  meta = {
-    description = "Extremely fast hash algorithm";
-    longDescription = ''
-      xxHash is an Extremely fast Hash algorithm, running at RAM speed limits.
-      It successfully completes the SMHasher test suite which evaluates
-      collision, dispersion and randomness qualities of hash functions. Code is
-      highly portable, and hashes are identical on all platforms (little / big
-      endian).
-    '';
-    homepage = "https://github.com/Cyan4973/xxHash";
-    license = with lib.licenses; [
-      bsd2
-      gpl2
-    ];
-    mainProgram = "xxhsum";
-    maintainers = [ ];
-    platforms = lib.platforms.all;
-    pkgConfigModules = [
-      "libxxhash"
-    ];
-  };
-})