diff --git a/.clang-format b/.clang-format
index 391e65c..079241b 100644
--- a/.clang-format
+++ b/.clang-format
@@ -1,12 +1,14 @@
 ---
-Language: Cpp
+AlignConsecutiveAssignments: true
+AllowShortLoopsOnASingleLine: true
 BasedOnStyle: Chromium
 IndentAccessModifiers: false
+IndentExternBlock: Indent
+Language: Cpp
 NamespaceIndentation: All
 SpaceBeforeCpp11BracedList: true
 SpacesBeforeTrailingComments: 1
-AlignConsecutiveAssignments: true
-IndentExternBlock: Indent
+
 IncludeBlocks: Regroup
 IncludeCategories:
   - Regex:    '".*"'
diff --git a/.clang-tidy b/.clang-tidy
index 95811f7..0c7feb1 100644
--- a/.clang-tidy
+++ b/.clang-tidy
@@ -1,29 +1,22 @@
 Checks: >
-    bugprone-*,
-    clang-analyzer-*,
-    clang-diagnostic-*,
-    misc-const-correctness,
-    misc-definitions-in-headers,
-    modernize-*,
-    performance-*,
-    portability-*,
-    readability-*,
-    cppcoreguidelines-prefer-member-initializer,
-    modernize-use-designated-initializers,
+    *,
     -altera-*,
     -bugprone-easily-swappable-parameters,
     -bugprone-implicit-widening-of-multiplication-result,
     -concurrency-mt-unsafe,
+    -cppcoreguidelines-avoid-magic-numbers,
+    -cppcoreguidelines-pro-type-member-init,
     -fuchsia-*,
     -google-*,
     -hicpp-*,
     -llvm-include-order,
     -llvm-include-order,
     -llvmlibc-*,
+    -misc-non-private-member-variables-in-classes,
     -modernize-use-trailing-return-type,
     -readability-braces-around-statements,
-    -readability-magic-numbers,
-    -readability-implicit-bool-conversion
+    -readability-implicit-bool-conversion,
+    -readability-magic-numbers
 CheckOptions:
   readability-identifier-naming.ClassCase: CamelCase
   readability-identifier-naming.EnumCase: CamelCase
diff --git a/flake.lock b/flake.lock
index 9eb57a1..9985190 100644
--- a/flake.lock
+++ b/flake.lock
@@ -2,11 +2,11 @@
   "nodes": {
     "nixpkgs": {
       "locked": {
-        "lastModified": 1717430266,
-        "narHash": "sha256-EWy2Qbkl/HUwmO8KDBzgDQf+4rl+fLiPFvp3nUSWcxc=",
+        "lastModified": 1717646450,
+        "narHash": "sha256-KE+UmfSVk5PG8jdKdclPVcMrUB8yVZHbsjo7ZT1Bm3c=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "d125f0e4d85f1517b639d4a8f848175da46fcd3e",
+        "rev": "818dbe2f96df233d2041739d6079bb616d3e5597",
         "type": "github"
       },
       "original": {
diff --git a/flake.nix b/flake.nix
index e3d1dd3..2f4b6da 100644
--- a/flake.nix
+++ b/flake.nix
@@ -58,21 +58,21 @@
         ); # TODO: Remove when fixed on darwin
 
           [
-            coost
+            curl
             fmt
             glib
-            libcpr
             tomlplusplus
+            yyjson
           ];
 
         linuxPkgs = nixpkgs.lib.optionals stdenv.isLinux (with pkgs.llvmPackages_18; [
+          systemdLibs
           sdbus-cpp
           valgrind
         ]);
 
         darwinPkgs = nixpkgs.lib.optionals stdenv.isDarwin (with pkgs.darwin.apple_sdk.frameworks; [
           Foundation
-          MediaPlayer
         ]);
       in
         with pkgs; {
@@ -89,7 +89,6 @@
               ];
 
               propagatedBuildInputs = [
-                libcpr
                 tomlplusplus
               ];
 
diff --git a/include/util/numtypes.h b/include/util/numtypes.h
new file mode 100644
index 0000000..93438c6
--- /dev/null
+++ b/include/util/numtypes.h
@@ -0,0 +1,23 @@
+#pragma once
+
+#include <cstdint>
+
+// Unsigned integers
+using u8  = std::uint8_t;
+using u16 = std::uint16_t;
+using u32 = std::uint32_t;
+using u64 = std::uint64_t;
+
+// Signed integers
+using i8  = std::int8_t;
+using i16 = std::int16_t;
+using i32 = std::int32_t;
+using i64 = std::int64_t;
+
+// Floating-points
+using f32 = float;
+using f64 = double;
+
+// Size types
+using usize = std::size_t;
+using isize = std::ptrdiff_t;
diff --git a/include/util/result.h b/include/util/result.h
new file mode 100644
index 0000000..903ad08
--- /dev/null
+++ b/include/util/result.h
@@ -0,0 +1,108 @@
+#pragma once
+
+#include <stdexcept>
+#include <string>
+#include <utility>
+#include <variant>
+
+// Define an error type
+class Error {
+ public:
+  explicit Error(std::string message) : m_Message(std::move(message)) {}
+  [[nodiscard]] const std::string& message() const { return m_Message; }
+
+ private:
+  std::string m_Message;
+};
+
+// Primary template for Result with a default type of void
+template <typename T = void>
+class Result;
+
+// Specialization for Result<void>
+template <>
+class Result<void> {
+ public:
+  // Constructors for success and error
+  Result() : m_Result(std::monostate {}) {}
+  Result(const Error& error) : m_Result(error) {}
+  Result(Error&& error) : m_Result(std::move(error)) {}
+
+  // Check if the result is an error
+  [[nodiscard]] bool isOk() const {
+    return std::holds_alternative<std::monostate>(m_Result);
+  }
+  [[nodiscard]] bool isErr() const {
+    return std::holds_alternative<Error>(m_Result);
+  }
+
+  // Throw an exception if it is an error
+  void value() const {
+    if (isErr()) {
+      throw std::logic_error("Attempted to access value of an error Result");
+    }
+  }
+
+  // Get the error or throw an exception if it is a value
+  [[nodiscard]] const Error& error() const {
+    if (isOk()) {
+      throw std::logic_error("Attempted to access error of an ok Result");
+    }
+    return std::get<Error>(m_Result);
+  }
+
+ private:
+  std::variant<std::monostate, Error> m_Result;
+};
+
+// Primary template for Result
+template <typename T>
+class Result {
+ public:
+  // Constructors for success and error
+  Result(const T& value) : m_Result(value) {}
+  Result(T&& value) : m_Result(std::move(value)) {}
+  Result(const Error& error) : m_Result(error) {}
+  Result(Error&& error) : m_Result(std::move(error)) {}
+
+  // Check if the result is an error
+  [[nodiscard]] bool isOk() const {
+    return std::holds_alternative<T>(m_Result);
+  }
+  [[nodiscard]] bool isErr() const {
+    return std::holds_alternative<Error>(m_Result);
+  }
+
+  // Get the value or throw an exception if it is an error
+  const T& value() const {
+    if (isErr()) {
+      throw std::logic_error("Attempted to access value of an error Result");
+    }
+    return std::get<T>(m_Result);
+  }
+
+  // Get the error or throw an exception if it is a value
+  [[nodiscard]] const Error& error() const {
+    if (isOk()) {
+      throw std::logic_error("Attempted to access error of an ok Result");
+    }
+    return std::get<Error>(m_Result);
+  }
+
+  // Optional: Get the value or provide a default
+  T valueOr(const T& defaultValue) const {
+    return isOk() ? std::get<T>(m_Result) : defaultValue;
+  }
+
+ private:
+  std::variant<T, Error> m_Result;
+};
+
+template <typename T>
+auto Ok(T&& value) {
+  return Result<std::decay_t<T>>(std::forward<T>(value));
+}
+
+inline auto Ok() {
+  return Result<void>();
+}
diff --git a/meson.build b/meson.build
index d95c069..6f26ace 100644
--- a/meson.build
+++ b/meson.build
@@ -25,6 +25,7 @@ if host_machine.system() == 'darwin'
       '-Wno-c++20-compat',
       '-Wno-c++98-compat',
       '-Wno-c++98-compat-pedantic',
+      '-Wno-disabled-macro-expansion',
       '-Wno-missing-prototypes',
       '-Wno-padded',
       '-Wno-pre-c++20-compat-pedantic',
@@ -40,6 +41,7 @@ add_project_arguments(
     '-Wno-c++20-compat',
     '-Wno-c++98-compat',
     '-Wno-c++98-compat-pedantic',
+    '-Wno-disabled-macro-expansion',
     '-Wno-missing-prototypes',
     '-Wno-padded',
     '-Wno-pre-c++20-compat-pedantic',
@@ -77,15 +79,13 @@ endforeach
 
 deps = []
 
-deps += cpp.find_library('cpr')
-deps += cpp.find_library('curl')
-deps += cpp.find_library('tomlplusplus')
-deps += dependency('coost')
 deps += dependency('fmt')
+deps += dependency('libcurl')
+deps += dependency('tomlplusplus')
+deps += dependency('yyjson')
 
 if host_machine.system() == 'darwin'
   deps += dependency('Foundation')
-  deps += dependency('MediaPlayer')
 endif
 
 if host_machine.system() == 'linux'
diff --git a/src/config/config.cpp b/src/config/config.cpp
index 04c65b0..010c785 100644
--- a/src/config/config.cpp
+++ b/src/config/config.cpp
@@ -8,17 +8,15 @@
 DEFINE_GETTER(Config, const General, General)
 DEFINE_GETTER(Config, const NowPlaying, NowPlaying)
 DEFINE_GETTER(Config, const Weather, Weather)
-DEFINE_GETTER(General, const string, Name)
+DEFINE_GETTER(General, const std::string, Name)
 DEFINE_GETTER(NowPlaying, bool, Enabled)
 DEFINE_GETTER(Weather, const Weather::Location, Location)
-DEFINE_GETTER(Weather, const string, ApiKey)
-DEFINE_GETTER(Weather, const string, Units)
+DEFINE_GETTER(Weather, const std::string, ApiKey)
+DEFINE_GETTER(Weather, const std::string, Units)
 
 const Config& Config::getInstance() {
   static const auto* INSTANCE =
       new Config(rfl::toml::load<Config>("./config.toml").value());
-  static std::once_flag Flag;
-  std::call_once(Flag, [] { std::atexit([] { delete INSTANCE; }); });
   return *INSTANCE;
 }
 
@@ -27,11 +25,11 @@ Config::Config(General general, NowPlaying now_playing, Weather weather)
       m_NowPlaying(now_playing),
       m_Weather(std::move(weather)) {}
 
-General::General(string name) : m_Name(std::move(name)) {}
+General::General(std::string name) : m_Name(std::move(name)) {}
 
 NowPlaying::NowPlaying(bool enable) : m_Enabled(enable) {}
 
-Weather::Weather(Location location, string api_key, string units)
+Weather::Weather(Location location, std::string api_key, std::string units)
     : m_Location(std::move(location)),
       m_ApiKey(std::move(api_key)),
       m_Units(std::move(units)) {}
diff --git a/src/config/config.h b/src/config/config.h
index 00b7121..f8adea9 100644
--- a/src/config/config.h
+++ b/src/config/config.h
@@ -1,40 +1,102 @@
-#include <co/json.h>
-#include <cpr/cpr.h>
+#pragma once
+
 #include <fmt/core.h>
 #include <rfl.hpp>
 #include <rfl/toml.hpp>
 #include <string>
 #include <variant>
 
-using std::string;
+#include "util/numtypes.h"
 
 class Weather {
  public:
+  using percentage = rfl::Validator<i8, rfl::Minimum<0>, rfl::Maximum<100>>;
+  using degrees    = rfl::Validator<u16, rfl::Minimum<0>, rfl::Maximum<360>>;
+
+  struct Condition {
+    usize id;
+    rfl::Rename<"main", std::string> group;
+    std::string description;
+    rfl::Rename<"icon", std::string> icon_id;
+  };
+
+  struct Main {
+    f64 temp;
+    f64 temp_max;
+    f64 temp_min;
+    f64 feels_like;
+    isize pressure;
+    std::optional<isize> sea_level;
+    std::optional<isize> grnd_level;
+    percentage humidity;
+  };
+
+  struct Wind {
+    f64 speed;
+    degrees deg;
+    std::optional<f64> gust;
+  };
+
+  struct Precipitation {
+    rfl::Rename<"1h", f64> one_hour;
+    rfl::Rename<"3h", f64> three_hours;
+  };
+
+  struct Sys {
+    std::string country;
+    usize id;
+    usize sunrise;
+    usize sunset;
+    usize type;
+  };
+
+  struct Clouds {
+    percentage all;
+  };
+
   struct Coords {
     double lat;
     double lon;
   };
 
-  using Location = std::variant<string, Coords>;
+  struct WeatherOutput {
+    isize timezone;
+    isize visibility;
+    Main main;
+    Clouds clouds;
+    rfl::Rename<"coord", Coords> coords;
+    std::optional<Precipitation> rain;
+    std::optional<Precipitation> snow;
+    std::vector<Condition> weather;
+    std::string base;
+    std::string name;
+    Sys sys;
+    usize cod;
+    usize dt;
+    usize id;
+    Wind wind;
+  };
+
+  using Location = std::variant<std::string, Coords>;
 
  private:
   Location m_Location;
-  string m_ApiKey;
-  string m_Units;
+  std::string m_ApiKey;
+  std::string m_Units;
 
  public:
-  Weather(Location location, string api_key, string units);
+  Weather(Location location, std::string api_key, std::string units);
 
-  [[nodiscard]] co::Json getWeatherInfo() const;
+  [[nodiscard]] WeatherOutput getWeatherInfo() const;
   [[nodiscard]] const Location getLocation() const;
-  [[nodiscard]] const string getApiKey() const;
-  [[nodiscard]] const string getUnits() const;
+  [[nodiscard]] const std::string getApiKey() const;
+  [[nodiscard]] const std::string getUnits() const;
 };
 
 struct WeatherImpl {
   Weather::Location location;
-  string api_key;
-  string units;
+  std::string api_key;
+  std::string units;
 
   static WeatherImpl from_class(const Weather& weather) noexcept;
 
@@ -43,16 +105,16 @@ struct WeatherImpl {
 
 class General {
  private:
-  string m_Name;
+  std::string m_Name;
 
  public:
-  General(string name);
+  General(std::string name);
 
-  [[nodiscard]] const string getName() const;
+  [[nodiscard]] const std::string getName() const;
 };
 
 struct GeneralImpl {
-  string name;
+  std::string name;
 
   static GeneralImpl from_class(const General& general) noexcept;
 
diff --git a/src/config/weather.cpp b/src/config/weather.cpp
index 9ad216d..ca66293 100644
--- a/src/config/weather.cpp
+++ b/src/config/weather.cpp
@@ -1,92 +1,113 @@
+#include <curl/curl.h>
+#include <rfl/json.hpp>
+#include <rfl/json/load.hpp>
+#include <util/result.h>
+
 #include "config.h"
 
+using WeatherOutput = Weather::WeatherOutput;
+
 // Function to read cache from file
-std::optional<std::pair<co::Json, std::chrono::system_clock::time_point>>
-ReadCacheFromFile() {
-  const string cacheFile = "/tmp/weather_cache.json";
+Result<WeatherOutput> ReadCacheFromFile() {
+  const std::string cacheFile = "/tmp/weather_cache.json";
   std::ifstream ifs(cacheFile);
 
-  if (!ifs.is_open()) {
-    fmt::println("Cache file not found.");
-    return std::nullopt;
-  }
+  if (!ifs.is_open())
+    return Error("Cache file not found.");
 
   fmt::println("Reading from cache file...");
 
-  co::Json val;
-  std::chrono::system_clock::time_point timestamp;
+  WeatherOutput val;
 
   try {
     std::stringstream buf;
+
     buf << ifs.rdbuf();
 
-    val.parse_from(buf.str());
-
-    string tsStr = val["timestamp"].as_string().c_str();
-    timestamp    = std::chrono::system_clock::time_point(
-        std::chrono::milliseconds(stoll(tsStr)));
-
-    val.erase("timestamp");
-  } catch (...) {
-    fmt::println(stderr, "Failed to read from cache file.");
-
-    return std::nullopt;
+    val = rfl::json::read<WeatherOutput>(buf.str()).value();
+  } catch (Error& e) {
+    return e;
   }
 
   fmt::println("Successfully read from cache file.");
-  return make_pair(val, timestamp);
+
+  return Ok(val);
 }
 
 // Function to write cache to file
-void WriteCacheToFile(const co::Json& data) {
-  const string cacheFile = "/tmp/weather_cache.json";
+Result<> WriteCacheToFile(const WeatherOutput& data) {
+  const std::string cacheFile = "/tmp/weather_cache.json";
   fmt::println("Writing to cache file...");
   std::ofstream ofs(cacheFile);
 
-  if (!ofs.is_open()) {
-    fmt::println(stderr, "Failed to open cache file for writing.");
-    return;
-  }
+  if (!ofs.is_open())
+    return Error("Failed to open cache file for writing.");
 
-  data["timestamp"] =
-      std::to_string(duration_cast<std::chrono::milliseconds>(
-                         std::chrono::system_clock::now().time_since_epoch())
-                         .count());
-
-  ofs << data.as_string();
+  ofs << rfl::json::write(data);
 
   fmt::println("Successfully wrote to cache file.");
+
+  return Ok();
+}
+
+size_t WriteCallback(void* contents,
+                     size_t size,
+                     size_t nmemb,
+                     std::string* buffer) {
+  size_t realsize = size * nmemb;
+
+  buffer->append(static_cast<char*>(contents), realsize);
+
+  return realsize;
 }
 
 // Function to make API request
-co::Json MakeApiRequest(const string& url) {
-  using namespace cpr;
-
+Result<WeatherOutput> MakeApiRequest(const std::string& url) {
   fmt::println("Making API request...");
-  const Response res = Get(Url {url});
-  fmt::println("Received response from API.");
-  co::Json json = json::parse(res.text);
 
-  return json;
+  CURL* curl = curl_easy_init();
+
+  std::string responseBuffer;
+
+  if (curl) {
+    curl_easy_setopt(curl, CURLOPT_URL, url.c_str());
+    curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, WriteCallback);
+    curl_easy_setopt(curl, CURLOPT_WRITEDATA, &responseBuffer);
+    CURLcode res = curl_easy_perform(curl);
+    curl_easy_cleanup(curl);
+
+    if (res != CURLE_OK)
+      return Error(fmt::format("Failed to perform cURL request: {}",
+                               curl_easy_strerror(res)));
+
+    fmt::println("Received response from API.");
+    // Parse the JSON response
+    WeatherOutput output =
+        rfl::json::read<WeatherOutput>(responseBuffer).value();
+
+    return Ok(output);
+  }
+
+  return Error("Failed to initialize cURL.");
 }
 
 // Core function to get weather information
-co::Json Weather::getWeatherInfo() const {
-  using namespace cpr;
+WeatherOutput Weather::getWeatherInfo() const {
+  using namespace std::chrono;
 
-  const Location loc  = m_Location;
-  const string apiKey = m_ApiKey;
-  const string units  = m_Units;
+  const Location loc       = m_Location;
+  const std::string apiKey = m_ApiKey;
+  const std::string units  = m_Units;
 
   // Check if cache is valid
-  if (auto cachedData = ReadCacheFromFile()) {
-    auto& [data, timestamp] = *cachedData;
+  if (Result<WeatherOutput> data = ReadCacheFromFile(); data.isOk()) {
+    WeatherOutput dataVal = data.value();
 
-    if (std::chrono::system_clock::now() - timestamp <
-        std::chrono::minutes(
-            10)) { // Assuming cache duration is always 10 minutes
+    if (system_clock::now() - system_clock::time_point(seconds(dataVal.dt)) <
+        minutes(10)) { // Assuming cache duration is always 10 minutes
       fmt::println("Cache is valid. Returning cached data.");
-      return data;
+
+      return dataVal;
     }
 
     fmt::println("Cache is expired.");
@@ -94,17 +115,17 @@ co::Json Weather::getWeatherInfo() const {
     fmt::println("No valid cache found.");
   }
 
-  co::Json result;
+  WeatherOutput result;
 
-  if (holds_alternative<string>(loc)) {
-    const string city = get<string>(loc);
+  if (holds_alternative<std::string>(loc)) {
+    const std::string city = get<std::string>(loc);
 
     const char* location = curl_easy_escape(nullptr, city.c_str(),
                                             static_cast<int>(city.length()));
 
     fmt::println("City: {}", location);
 
-    const string apiUrl = format(
+    const std::string apiUrl = fmt::format(
         "https://api.openweathermap.org/data/2.5/"
         "weather?q={}&appid={}&units={}",
         location, apiKey, units);
@@ -115,7 +136,7 @@ co::Json Weather::getWeatherInfo() const {
 
     fmt::println("Coordinates: lat = {:.3f}, lon = {:.3f}", lat, lon);
 
-    const string apiUrl = format(
+    const std::string apiUrl = fmt::format(
         "https://api.openweathermap.org/data/2.5/"
         "weather?lat={:.3f}&lon={:.3f}&appid={}&units={}",
         lat, lon, apiKey, units);
diff --git a/src/main.cpp b/src/main.cpp
index 337f4d6..aa8c802 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -1,16 +1,14 @@
-#include <co/log.h>
 #include <ctime>
 #include <fmt/chrono.h>
 #include <fmt/core.h>
 
 #include "config/config.h"
-#include "os/macos/NowPlayingBridge.h"
 #include "os/os.h"
 
 using std::string;
 
 struct BytesToGiB {
-  uint64_t value;
+  u64 value;
 };
 
 template <>
@@ -42,9 +40,7 @@ DateNum ParseDate(string const& input) {
   return Default;
 }
 
-int main(int argc, char** argv) {
-  flag::parse(argc, argv);
-
+int main() {
   const Config& config = Config::getInstance();
 
   if (config.getNowPlaying().getEnabled())
@@ -52,22 +48,17 @@ int main(int argc, char** argv) {
 
   fmt::println("Hello {}!", config.getGeneral().getName());
 
-  const uint64_t memInfo = GetMemInfo();
+  const u64 memInfo = GetMemInfo();
 
   fmt::println("{:.2f}", BytesToGiB {memInfo});
 
   const std::tm localTime = fmt::localtime(time(nullptr));
 
-  auto trimStart = [](std::string& str) {
-    auto start = str.begin();
-    while (start != str.end() && std::isspace(*start))
-      ++start;
-    str.erase(str.begin(), start);
-  };
-
   string date = fmt::format("{:%e}", localTime);
 
-  trimStart(date);
+  auto start = date.begin();
+  while (start != date.end() && std::isspace(*start)) ++start;
+  date.erase(date.begin(), start);
 
   switch (ParseDate(date)) {
     case Ones:
@@ -89,11 +80,10 @@ int main(int argc, char** argv) {
 
   fmt::println("{:%B} {}, {:%-I:%0M %p}", localTime, date, localTime);
 
-  co::Json json = config.getWeather().getWeatherInfo();
+  Weather::WeatherOutput json = config.getWeather().getWeatherInfo();
 
-  const int temp = json.get("main", "temp").as_int();
-  const char* townName =
-      json["name"].is_string() ? json["name"].as_string().c_str() : "Unknown";
+  const long temp       = std::lround(json.main.temp);
+  const string townName = json.name;
 
   fmt::println("It is {}°F in {}", temp, townName);
 
diff --git a/src/os/linux.cpp b/src/os/linux.cpp
index e12377e..21aae2e 100644
--- a/src/os/linux.cpp
+++ b/src/os/linux.cpp
@@ -4,7 +4,6 @@
 #include <fstream>
 #include <iostream>
 #include <sdbus-c++/sdbus-c++.h>
-#include <string>
 #include <vector>
 
 #include "os.h"
@@ -18,44 +17,41 @@ static const char *DBUS_INTERFACE         = "org.freedesktop.DBus",
                   *PLAYER_OBJECT_PATH     = "/org/mpris/MediaPlayer2",
                   *PLAYER_INTERFACE_NAME  = "org.mpris.MediaPlayer2.Player";
 
-uint64_t ParseLineAsNumber(const string& input) {
+u64 ParseLineAsNumber(const string& input) {
   // Find the first number
   string::size_type start = 0;
 
   // Skip leading non-numbers
-  while (!isdigit(input[++start]))
-    ;
+  while (!isdigit(input[++start]));
 
   // Start searching from the start of the number
   string::size_type end = start;
 
   // Increment to the end of the number
-  while (isdigit(input[++end]))
-    ;
+  while (isdigit(input[++end]));
 
   // Return the substring containing the number
   return std::stoul(input.substr(start, end - start));
 }
 
-uint64_t MeminfoParse(std::ifstream input) {
+u64 MeminfoParse(std::ifstream input) {
   string line;
 
   // Skip every line before the one that starts with "MemTotal"
-  while (std::getline(input, line) && !line.starts_with("MemTotal"))
-    ;
+  while (std::getline(input, line) && !line.starts_with("MemTotal"));
 
   // Parse the number from the line
-  const uint64_t num = ParseLineAsNumber(line);
+  const u64 num = ParseLineAsNumber(line);
 
   return num;
 }
 
-uint64_t GetMemInfo() {
+u64 GetMemInfo() {
   return MeminfoParse(std::ifstream("/proc/meminfo")) * 1024;
 }
 
 std::vector<std::string> GetMprisPlayers(sdbus::IConnection& connection) {
-  auto dbusProxy =
+  std::unique_ptr<sdbus::IProxy> dbusProxy =
       sdbus::createProxy(connection, DBUS_INTERFACE, DBUS_OBJECT_PATH);
 
   std::vector<std::string> names;
@@ -66,7 +62,7 @@ std::vector<std::string> GetMprisPlayers(sdbus::IConnection& connection) {
 
   std::vector<std::string> mprisPlayers;
 
-  for (const auto& name : names)
+  for (const std::basic_string<char>& name : names)
     if (name.find(MPRIS_INTERFACE_NAME) != std::string::npos)
       mprisPlayers.push_back(name);
 
@@ -82,8 +78,10 @@ std::string GetActivePlayer(const std::vector<std::string>& mprisPlayers) {
 
 std::string GetNowPlaying() {
   try {
-    auto connection   = sdbus::createSessionBusConnection();
-    auto mprisPlayers = GetMprisPlayers(*connection);
+    std::unique_ptr<sdbus::IConnection> connection =
+        sdbus::createSessionBusConnection();
+
+    std::vector<std::string> mprisPlayers = GetMprisPlayers(*connection);
 
     if (mprisPlayers.empty())
       return "";
@@ -93,7 +91,7 @@ std::string GetNowPlaying() {
     if (activePlayer.empty())
       return "";
 
-    auto playerProxy =
+    std::unique_ptr<sdbus::IProxy> playerProxy =
         sdbus::createProxy(*connection, activePlayer, PLAYER_OBJECT_PATH);
 
     std::map<std::string, sdbus::Variant> metadata =
diff --git a/src/os/macos.cpp b/src/os/macos.cpp
index 2f72c5e..fcc2e82 100644
--- a/src/os/macos.cpp
+++ b/src/os/macos.cpp
@@ -6,7 +6,7 @@
 #include "macos/NowPlayingBridge.h"
 #include "os.h"
 
-uint64_t GetMemInfo() {
+u64 GetMemInfo() {
   uint64_t mem = 0;
   size_t size  = sizeof(mem);
 
diff --git a/src/os/macos/NowPlayingBridge.h b/src/os/macos/NowPlayingBridge.h
index a592547..e1fcd6d 100644
--- a/src/os/macos/NowPlayingBridge.h
+++ b/src/os/macos/NowPlayingBridge.h
@@ -1,5 +1,6 @@
-// NowPlayingBridge.h
+#pragma once
 
+#ifdef __APPLE__
 #ifdef __OBJC__
 #import <Foundation/Foundation.h>
 
@@ -12,3 +13,4 @@ extern "C" {
   const char* GetCurrentPlayingArtist();
 }
 #endif
+#endif
diff --git a/src/os/macos/NowPlayingBridge.mm b/src/os/macos/NowPlayingBridge.mm
index 5868a0f..0ca7bd1 100644
--- a/src/os/macos/NowPlayingBridge.mm
+++ b/src/os/macos/NowPlayingBridge.mm
@@ -1,4 +1,4 @@
-// NowPlayingBridge.mm
+#ifdef __APPLE__
 
 #import "NowPlayingBridge.h"
 #import <Foundation/Foundation.h>
@@ -91,3 +91,5 @@ const char *GetCurrentPlayingArtist() {
   return nullptr;
 }
 }
+
+#endif
diff --git a/src/os/os.h b/src/os/os.h
index 9a4a44b..560acb2 100644
--- a/src/os/os.h
+++ b/src/os/os.h
@@ -1,7 +1,8 @@
 #pragma once
 
-#include <cstdint>
 #include <string>
 
-uint64_t GetMemInfo();
+#include "util/numtypes.h"
+
+u64 GetMemInfo();
 std::string GetNowPlaying();