diff --git a/apps/openmw/mwbase/mechanicsmanager.hpp b/apps/openmw/mwbase/mechanicsmanager.hpp
index 5b41ff7fda..b6e167ab9e 100644
--- a/apps/openmw/mwbase/mechanicsmanager.hpp
+++ b/apps/openmw/mwbase/mechanicsmanager.hpp
@@ -66,12 +66,6 @@ namespace MWBase
             virtual void drop (const MWWorld::CellStore *cellStore) = 0;
             ///< Deregister all objects in the given cell.
 
-            virtual void update (float duration, bool paused) = 0;
-            ///< Update objects
-            ///
-            /// \param paused In game type does not currently advance (this usually means some GUI
-            /// component is up).
-
             virtual void setPlayerName (const std::string& name) = 0;
             ///< Set player name.
 
diff --git a/apps/openmw/mwbase/soundmanager.hpp b/apps/openmw/mwbase/soundmanager.hpp
index 2bac561fdd..9d3e99d06b 100644
--- a/apps/openmw/mwbase/soundmanager.hpp
+++ b/apps/openmw/mwbase/soundmanager.hpp
@@ -176,8 +176,6 @@ namespace MWBase
             virtual void pausePlayback() = 0;
             virtual void resumePlayback() = 0;
 
-            virtual void update(float duration) = 0;
-
             virtual void setListenerPosDir(const osg::Vec3f &pos, const osg::Vec3f &dir, const osg::Vec3f &up, bool underwater) = 0;
 
             virtual void updatePtr(const MWWorld::ConstPtr& old, const MWWorld::ConstPtr& updated) = 0;
diff --git a/apps/openmw/mwbase/statemanager.hpp b/apps/openmw/mwbase/statemanager.hpp
index 157833a0ee..0537ff02d2 100644
--- a/apps/openmw/mwbase/statemanager.hpp
+++ b/apps/openmw/mwbase/statemanager.hpp
@@ -88,8 +88,6 @@ namespace MWBase
             /// iterator.
 
             virtual CharacterIterator characterEnd() = 0;
-
-            virtual void update (float duration) = 0;
     };
 }
 
diff --git a/apps/openmw/mwbase/windowmanager.hpp b/apps/openmw/mwbase/windowmanager.hpp
index f47ae24e87..45ea43daa8 100644
--- a/apps/openmw/mwbase/windowmanager.hpp
+++ b/apps/openmw/mwbase/windowmanager.hpp
@@ -247,8 +247,6 @@ namespace MWBase
             /// returns the index of the pressed button or -1 if no button was pressed (->MessageBoxmanager->InteractiveMessageBox)
             virtual int readPressedButton() = 0;
 
-            virtual void update (float duration) = 0;
-
             virtual void updateConsoleObjectPtr(const MWWorld::Ptr& currentPtr, const MWWorld::Ptr& newPtr) = 0;
 
             /**
diff --git a/apps/openmw/mwbase/world.hpp b/apps/openmw/mwbase/world.hpp
index 98783f3c62..899be7dfb9 100644
--- a/apps/openmw/mwbase/world.hpp
+++ b/apps/openmw/mwbase/world.hpp
@@ -408,11 +408,6 @@ namespace MWBase
             ///< Write this record to the ESM store, allowing it to override a pre-existing record with the same ID.
             /// \return pointer to created record
 
-            virtual void update (float duration, bool paused) = 0;
-            virtual void updatePhysics (float duration, bool paused, osg::Timer_t frameStart, unsigned int frameNumber, osg::Stats& stats) = 0;
-
-            virtual void updateWindowManager () = 0;
-
             virtual MWWorld::Ptr placeObject (const MWWorld::ConstPtr& object, float cursorX, float cursorY, int amount) = 0;
             ///< copy and place an object into the gameworld at the specified cursor position
             /// @param object
diff --git a/apps/openmw/mwgui/windowmanagerimp.hpp b/apps/openmw/mwgui/windowmanagerimp.hpp
index 8ab50e32ed..9a7ea2f1a7 100644
--- a/apps/openmw/mwgui/windowmanagerimp.hpp
+++ b/apps/openmw/mwgui/windowmanagerimp.hpp
@@ -277,7 +277,7 @@ namespace MWGui
 
     int readPressedButton () override; ///< returns the index of the pressed button or -1 if no button was pressed (->MessageBoxmanager->InteractiveMessageBox)
 
-    void update (float duration) override;
+    void update (float duration);
 
     /**
      * Fetches a GMST string from the store, if there is no setting with the given
diff --git a/apps/openmw/mwinput/inputmanagerimp.hpp b/apps/openmw/mwinput/inputmanagerimp.hpp
index 3f9f1b3be1..cf222d3e46 100644
--- a/apps/openmw/mwinput/inputmanagerimp.hpp
+++ b/apps/openmw/mwinput/inputmanagerimp.hpp
@@ -61,7 +61,7 @@ namespace MWInput
         /// Clear all savegame-specific data
         void clear() override;
 
-        void update(float dt, bool disableControls=false, bool disableEvents=false) override;
+        void update(float dt, bool disableControls, bool disableEvents=false) override;
 
         void changeInputMode(bool guiMode) override;
 
diff --git a/apps/openmw/mwmechanics/mechanicsmanagerimp.hpp b/apps/openmw/mwmechanics/mechanicsmanagerimp.hpp
index 6128b8bf52..4dd8790d2a 100644
--- a/apps/openmw/mwmechanics/mechanicsmanagerimp.hpp
+++ b/apps/openmw/mwmechanics/mechanicsmanagerimp.hpp
@@ -54,7 +54,7 @@ namespace MWMechanics
             void drop(const MWWorld::CellStore *cellStore) override;
             ///< Deregister all objects in the given cell.
 
-            void update (float duration, bool paused) override;
+            void update(float duration, bool paused);
             ///< Update objects
             ///
             /// \param paused In game type does not currently advance (this usually means some GUI
diff --git a/apps/openmw/mwsound/soundmanagerimp.hpp b/apps/openmw/mwsound/soundmanagerimp.hpp
index e659e7a12a..d03059ba3e 100644
--- a/apps/openmw/mwsound/soundmanagerimp.hpp
+++ b/apps/openmw/mwsound/soundmanagerimp.hpp
@@ -244,7 +244,7 @@ namespace MWSound
         void pausePlayback() override;
         void resumePlayback() override;
 
-        void update(float duration) override;
+        void update(float duration);
 
         void setListenerPosDir(const osg::Vec3f &pos, const osg::Vec3f &dir, const osg::Vec3f &up, bool underwater) override;
 
diff --git a/apps/openmw/mwstate/statemanagerimp.hpp b/apps/openmw/mwstate/statemanagerimp.hpp
index a29e72b3ad..273a3eb3bc 100644
--- a/apps/openmw/mwstate/statemanagerimp.hpp
+++ b/apps/openmw/mwstate/statemanagerimp.hpp
@@ -84,7 +84,7 @@ namespace MWState
 
             CharacterIterator characterEnd() override;
 
-            void update (float duration) override;
+            void update(float duration);
     };
 }
 
diff --git a/apps/openmw/mwworld/worldimp.hpp b/apps/openmw/mwworld/worldimp.hpp
index fb1b80daf3..09bae6653d 100644
--- a/apps/openmw/mwworld/worldimp.hpp
+++ b/apps/openmw/mwworld/worldimp.hpp
@@ -495,10 +495,10 @@ namespace MWWorld
             ///< Write this record to the ESM store, allowing it to override a pre-existing record with the same ID.
             /// \return pointer to created record
 
-            void update (float duration, bool paused) override;
-            void updatePhysics (float duration, bool paused, osg::Timer_t frameStart, unsigned int frameNumber, osg::Stats& stats) override;
+            void update(float duration, bool paused);
+            void updatePhysics(float duration, bool paused, osg::Timer_t frameStart, unsigned int frameNumber, osg::Stats& stats);
 
-            void updateWindowManager () override;
+            void updateWindowManager();
 
             MWWorld::Ptr placeObject (const MWWorld::ConstPtr& object, float cursorX, float cursorY, int amount) override;
             ///< copy and place an object into the gameworld at the specified cursor position