diff --git a/apps/openmw/mwworld/worldimp.cpp b/apps/openmw/mwworld/worldimp.cpp
index d8f801420..02e0737ee 100644
--- a/apps/openmw/mwworld/worldimp.cpp
+++ b/apps/openmw/mwworld/worldimp.cpp
@@ -148,16 +148,16 @@ namespace MWWorld
         ToUTF8::Utf8Encoder* encoder, const std::map<std::string,std::string>& fallbackMap,
         int activationDistanceOverride, const std::string& startCell, const std::string& startupScript,
             const std::string& resourcePath, const std::string& userDataPath)
-    : mResourceSystem(resourceSystem), mFallback(fallbackMap), mPlayer (0), mLocalScripts (mStore),
+    : mResourceSystem(resourceSystem), mFallback(fallbackMap), mLocalScripts (mStore),
       mSky (true), mCells (mStore, mEsm),
       mGodMode(false), mScriptsEnabled(true), mContentFiles (contentFiles), mUserDataPath(userDataPath),
       mActivationDistanceOverride (activationDistanceOverride), mStartupScript(startupScript),
       mStartCell (startCell), mDistanceToFacedObject(-1), mTeleportEnabled(true),
       mLevitationEnabled(true), mGoToJail(false), mDaysInPrison(0), mSpellPreloadTimer(0.f)
     {
-        mPhysics = new MWPhysics::PhysicsSystem(resourceSystem, rootNode);
-        mRendering = new MWRender::RenderingManager(viewer, rootNode, resourceSystem, workQueue, &mFallback, resourcePath);
-        mProjectileManager.reset(new ProjectileManager(mRendering->getLightRoot(), resourceSystem, mRendering, mPhysics));
+        mPhysics.reset(new MWPhysics::PhysicsSystem(resourceSystem, rootNode));
+        mRendering.reset(new MWRender::RenderingManager(viewer, rootNode, resourceSystem, workQueue, &mFallback, resourcePath));
+        mProjectileManager.reset(new ProjectileManager(mRendering->getLightRoot(), resourceSystem, mRendering.get(), mPhysics.get()));
 
         mRendering->preloadCommonAssets();
 
@@ -189,9 +189,9 @@ namespace MWWorld
 
         mSwimHeightScale = mStore.get<ESM::GameSetting>().find("fSwimHeightScale")->getFloat();
 
-        mWeatherManager = new MWWorld::WeatherManager(*mRendering, mFallback, mStore);
+        mWeatherManager.reset(new MWWorld::WeatherManager(*mRendering, mFallback, mStore));
 
-        mWorldScene = new Scene(*mRendering, mPhysics);
+        mWorldScene.reset(new Scene(*mRendering.get(), mPhysics.get()));
     }
 
     void World::fillGlobalVariables()
@@ -224,8 +224,8 @@ namespace MWWorld
 
         // we don't want old weather to persist on a new game
         // Note that if reset later, the initial ChangeWeather that the chargen script calls will be lost.
-        delete mWeatherManager;
-        mWeatherManager = new MWWorld::WeatherManager(*mRendering, mFallback, mStore);
+        mWeatherManager.reset();
+        mWeatherManager.reset(new MWWorld::WeatherManager(*mRendering.get(), mFallback, mStore));
 
         if (!bypass)
         {
@@ -492,12 +492,6 @@ namespace MWWorld
     {
         // Must be cleared before mRendering is destroyed
         mProjectileManager->clear();
-        delete mWeatherManager;
-        delete mWorldScene;
-        delete mRendering;
-        delete mPhysics;
-
-        delete mPlayer;
     }
 
     const ESM::Cell *World::getExterior (const std::string& cellName) const
@@ -2214,7 +2208,7 @@ namespace MWWorld
     {
         const ESM::NPC *player = mStore.get<ESM::NPC>().find("player");
         if (!mPlayer)
-            mPlayer = new MWWorld::Player(player);
+            mPlayer.reset(new MWWorld::Player(player));
         else
         {
             // Remove the old CharacterController
@@ -3478,17 +3472,17 @@ namespace MWWorld
 
             if (MWMechanics::isSummoningEffect(it->mEffectID))
             {
-                preload(mWorldScene, mStore, "VFX_Summon_Start");
-                preload(mWorldScene, mStore, MWMechanics::getSummonedCreature(it->mEffectID));
+                preload(mWorldScene.get(), mStore, "VFX_Summon_Start");
+                preload(mWorldScene.get(), mStore, MWMechanics::getSummonedCreature(it->mEffectID));
             }
 
-            preload(mWorldScene, mStore, effect->mCasting);
-            preload(mWorldScene, mStore, effect->mHit);
+            preload(mWorldScene.get(), mStore, effect->mCasting);
+            preload(mWorldScene.get(), mStore, effect->mHit);
 
             if (it->mArea > 0)
-                preload(mWorldScene, mStore, effect->mArea);
+                preload(mWorldScene.get(), mStore, effect->mArea);
             if (it->mRange == ESM::RT_Target)
-                preload(mWorldScene, mStore, effect->mBolt);
+                preload(mWorldScene.get(), mStore, effect->mBolt);
         }
     }
 
diff --git a/apps/openmw/mwworld/worldimp.hpp b/apps/openmw/mwworld/worldimp.hpp
index 7af7b2968..02b3756d5 100644
--- a/apps/openmw/mwworld/worldimp.hpp
+++ b/apps/openmw/mwworld/worldimp.hpp
@@ -74,17 +74,11 @@ namespace MWWorld
             Resource::ResourceSystem* mResourceSystem;
 
             Fallback::Map mFallback;
-            MWRender::RenderingManager* mRendering;
 
-            MWWorld::WeatherManager* mWeatherManager;
-
-            MWWorld::Scene *mWorldScene;
-            MWWorld::Player *mPlayer;
             std::vector<ESM::ESMReader> mEsm;
             MWWorld::ESMStore mStore;
             LocalScripts mLocalScripts;
             MWWorld::Globals mGlobalVariables;
-            MWPhysics::PhysicsSystem *mPhysics;
             bool mSky;
 
             ESM::Variant* mGameHour;
@@ -98,6 +92,11 @@ namespace MWWorld
 
             std::string mCurrentWorldSpace;
 
+            std::unique_ptr<MWWorld::Player> mPlayer;
+            std::unique_ptr<MWPhysics::PhysicsSystem> mPhysics;
+            std::unique_ptr<MWRender::RenderingManager> mRendering;
+            std::unique_ptr<MWWorld::Scene> mWorldScene;
+            std::unique_ptr<MWWorld::WeatherManager> mWeatherManager;
             std::shared_ptr<ProjectileManager> mProjectileManager;
 
             bool mGodMode;