diff --git a/src/audio/audioutil.cpp b/src/audio/audioutil.cpp
index 62ade6b5..fcb6b773 100644
--- a/src/audio/audioutil.cpp
+++ b/src/audio/audioutil.cpp
@@ -3,6 +3,7 @@
 #include <iostream>
 #include <fstream>
 #include <cstring>
+#include <memory>
 #include <type_traits>
 
 #ifdef __APPLE__
@@ -192,13 +193,12 @@ char* load_wav(const std::string& filename,
         return nullptr;
     }
 
-    char* data = new char[size];
+    std::unique_ptr<char[]> data (new char[size]);
     try {
-        in.read(data, size);
-        return data;
+        in.read(data.get(), size);
+        return data.release();
     }
     catch (const std::exception&) {
-        delete[] data;
         std::cerr << "ERROR: Could not load wav data of \"" << filename << "\"" << std::endl;
         return nullptr;
     }
diff --git a/src/coders/json.cpp b/src/coders/json.cpp
index 955854c8..3cfd3765 100644
--- a/src/coders/json.cpp
+++ b/src/coders/json.cpp
@@ -356,7 +356,7 @@ JObject& JObject::put(string key, int value) {
 
 JObject& JObject::put(string key, int64_t value) {
     auto found = map.find(key);
-    if (found != map.end()) delete found->second;
+    if (found != map.end())  found->second;
     valvalue val;
     val.integer = value;
     map.insert(make_pair(key, new Value(valtype::integer, val)));
diff --git a/src/engine.cpp b/src/engine.cpp
index 02160067..a125663e 100644
--- a/src/engine.cpp
+++ b/src/engine.cpp
@@ -66,7 +66,7 @@ Engine::Engine(EngineSettings& settings, EnginePaths* paths)
 	}
 
 	Audio::initialize();
-	gui = new gui::GUI();
+	gui = std::make_unique<gui::GUI>();
     if (settings.ui.language == "auto") {
         settings.ui.language = langs::locale_by_envlocale(platform::detect_locale(), paths->getResources());
     }
@@ -125,7 +125,6 @@ void Engine::mainloop() {
 Engine::~Engine() {
     scripting::close();
 	screen = nullptr;
-	delete gui;
 
 	Audio::finalize();
 
@@ -182,7 +181,7 @@ void Engine::setLanguage(std::string locale) {
 }
 
 gui::GUI* Engine::getGUI() {
-	return gui;
+	return gui.get();
 }
 
 EngineSettings& Engine::getSettings() {
diff --git a/src/engine.h b/src/engine.h
index 1c1a58fd..01d2cf07 100644
--- a/src/engine.h
+++ b/src/engine.h
@@ -40,7 +40,7 @@ class Engine {
 	double lastTime = 0.0;
 	double delta = 0.0;
 
-	gui::GUI* gui;
+	std::unique_ptr<gui::GUI> gui;
 public:
 	Engine(EngineSettings& settings, EnginePaths* paths);
 	~Engine();
diff --git a/src/files/WorldFiles.cpp b/src/files/WorldFiles.cpp
index 387030ee..e8722bdf 100644
--- a/src/files/WorldFiles.cpp
+++ b/src/files/WorldFiles.cpp
@@ -73,12 +73,10 @@ WorldFiles::WorldFiles(fs::path directory, const DebugSettings& settings)
 	: directory(directory), 
 	  generatorTestMode(settings.generatorTestMode),
 	  doWriteLights(settings.doWriteLights) {
-	compressionBuffer = new ubyte[CHUNK_DATA_LEN * 2];
+	compressionBuffer.reset(new ubyte[CHUNK_DATA_LEN * 2]);
 }
 
 WorldFiles::~WorldFiles(){
-	delete[] compressionBuffer;
-	regions.clear();
 }
 
 WorldRegion* WorldFiles::getRegion(regionsmap& regions, int x, int z) {
@@ -98,10 +96,12 @@ WorldRegion* WorldFiles::getOrCreateRegion(regionsmap& regions, int x, int z) {
 }
 
 ubyte* WorldFiles::compress(const ubyte* src, size_t srclen, size_t& len) {
-	len = extrle::encode(src, srclen, compressionBuffer);
+    ubyte* buffer = this->compressionBuffer.get();
+    
+	len = extrle::encode(src, srclen, buffer);
 	ubyte* data = new ubyte[len];
 	for (size_t i = 0; i < len; i++) {
-		data[i] = compressionBuffer[i];
+		data[i] = buffer[i];
 	}
 	return data;
 }
diff --git a/src/files/WorldFiles.h b/src/files/WorldFiles.h
index 879f2d3b..b220e555 100644
--- a/src/files/WorldFiles.h
+++ b/src/files/WorldFiles.h
@@ -107,7 +107,7 @@ public:
 	regionsmap regions;
 	regionsmap lights;
 	std::filesystem::path directory;
-	ubyte* compressionBuffer;
+	std::unique_ptr<ubyte[]> compressionBuffer;
 	bool generatorTestMode;
 	bool doWriteLights;
 
diff --git a/src/files/files.cpp b/src/files/files.cpp
index 495dba3e..52eb925d 100644
--- a/src/files/files.cpp
+++ b/src/files/files.cpp
@@ -10,7 +10,7 @@
 
 namespace fs = std::filesystem;
 
-files::rafile::rafile(std::filesystem::path filename)
+files::rafile::rafile(fs::path filename)
     : file(filename, std::ios::binary | std::ios::ate) {
     if (!file) {
         throw std::runtime_error("could not to open file "+filename.string());
@@ -102,7 +102,7 @@ json::JObject* files::read_json(fs::path file) {
     }
 }
 
-std::vector<std::string> files::read_list(std::filesystem::path filename) {
+std::vector<std::string> files::read_list(fs::path filename) {
 	std::ifstream file(filename);
 	if (!file) {
 		throw std::runtime_error("could not to open file "+filename.u8string());
diff --git a/src/frontend/BlocksPreview.cpp b/src/frontend/BlocksPreview.cpp
index c94134b0..fc478d00 100644
--- a/src/frontend/BlocksPreview.cpp
+++ b/src/frontend/BlocksPreview.cpp
@@ -18,11 +18,10 @@ BlocksPreview::BlocksPreview(Shader* shader,
                              Atlas* atlas, 
                              const ContentGfxCache* cache)
     : shader(shader), atlas(atlas), cache(cache) {
-    batch = new Batch3D(1024);
+    batch = std::make_unique<Batch3D>(1024);
 }
 
 BlocksPreview::~BlocksPreview() {
-    delete batch;
 }
 
 void BlocksPreview::begin(const Viewport* viewport) {
diff --git a/src/frontend/BlocksPreview.h b/src/frontend/BlocksPreview.h
index 2fe494a0..c3415d4c 100644
--- a/src/frontend/BlocksPreview.h
+++ b/src/frontend/BlocksPreview.h
@@ -3,6 +3,7 @@
 
 #include "../typedefs.h"
 #include <glm/glm.hpp>
+#include <memory>
 
 class Viewport;
 class Shader;
@@ -14,7 +15,7 @@ class ContentGfxCache;
 class BlocksPreview {
     Shader* shader;
     Atlas* atlas;
-    Batch3D* batch;
+    std::unique_ptr<Batch3D> batch;
     const ContentGfxCache* const cache;
     const Viewport* viewport;
 public: