diff --git a/src/client/client.cpp b/src/client/client.cpp
index af69d0ec9..6577c287d 100644
--- a/src/client/client.cpp
+++ b/src/client/client.cpp
@@ -159,20 +159,6 @@ void Client::loadMods()
 	scanModIntoMemory(BUILTIN_MOD_NAME, getBuiltinLuaPath());
 	m_script->loadModFromMemory(BUILTIN_MOD_NAME);
 
-	// TODO Uncomment when server-sent CSM and verifying of builtin are complete
-	/*
-	// Don't load client-provided mods if disabled by server
-	if (checkCSMRestrictionFlag(CSMRestrictionFlags::CSM_RF_LOAD_CLIENT_MODS)) {
-		warningstream << "Client-provided mod loading is disabled by server." <<
-			std::endl;
-		// If builtin integrity is wrong, disconnect user
-		if (!checkBuiltinIntegrity()) {
-			// TODO disconnect user
-		}
-		return;
-	}
-	*/
-
 	ClientModConfiguration modconf(getClientModsLuaPath());
 	m_mods = modconf.getMods();
 	// complain about mods with unsatisfied dependencies
@@ -216,12 +202,6 @@ void Client::loadMods()
 		m_script->on_minimap_ready(m_minimap);
 }
 
-bool Client::checkBuiltinIntegrity()
-{
-	// TODO
-	return true;
-}
-
 void Client::scanModSubfolder(const std::string &mod_name, const std::string &mod_path,
 			std::string mod_subpath)
 {
diff --git a/src/client/client.h b/src/client/client.h
index bffdc7ec6..25a1b97ba 100644
--- a/src/client/client.h
+++ b/src/client/client.h
@@ -415,11 +415,6 @@ public:
 		return m_csm_restriction_flags & flag;
 	}
 
-	u32 getCSMNodeRangeLimit() const
-	{
-		return m_csm_restriction_noderange;
-	}
-
 	inline std::unordered_map<u32, u32> &getHUDTranslationMap()
 	{
 		return m_hud_server_to_client;
@@ -437,7 +432,6 @@ public:
 	}
 private:
 	void loadMods();
-	bool checkBuiltinIntegrity();
 
 	// Virtual methods from con::PeerHandler
 	void peerAdded(con::Peer *peer) override;
@@ -587,7 +581,6 @@ private:
 
 	// Client modding
 	ClientScripting *m_script = nullptr;
-	bool m_modding_enabled;
 	std::unordered_map<std::string, ModMetadata *> m_mod_storages;
 	float m_mod_storage_save_timer = 10.0f;
 	std::vector<ModSpec> m_mods;
diff --git a/src/client/clientenvironment.cpp b/src/client/clientenvironment.cpp
index da1e6e9c7..fc7cbe254 100644
--- a/src/client/clientenvironment.cpp
+++ b/src/client/clientenvironment.cpp
@@ -334,13 +334,6 @@ GenericCAO* ClientEnvironment::getGenericCAO(u16 id)
 	return NULL;
 }
 
-bool isFreeClientActiveObjectId(const u16 id,
-	ClientActiveObjectMap &objects)
-{
-	return id != 0 && objects.find(id) == objects.end();
-
-}
-
 u16 ClientEnvironment::addActiveObject(ClientActiveObject *object)
 {
 	// Register object. If failed return zero id
diff --git a/src/client/hud.cpp b/src/client/hud.cpp
index e956c2738..46736b325 100644
--- a/src/client/hud.cpp
+++ b/src/client/hud.cpp
@@ -571,8 +571,6 @@ void Hud::drawCompassTranslate(HudElement *e, video::ITexture *texture,
 void Hud::drawCompassRotate(HudElement *e, video::ITexture *texture,
 		const core::rect<s32> &rect, int angle)
 {
-	core::dimension2di imgsize(texture->getOriginalSize());
-
 	core::rect<s32> oldViewPort = driver->getViewPort();
 	core::matrix4 oldProjMat = driver->getTransform(video::ETS_PROJECTION);
 	core::matrix4 oldViewMat = driver->getTransform(video::ETS_VIEW);
diff --git a/src/client/mapblock_mesh.cpp b/src/client/mapblock_mesh.cpp
index 4c43fcb61..d78a86b2d 100644
--- a/src/client/mapblock_mesh.cpp
+++ b/src/client/mapblock_mesh.cpp
@@ -1176,13 +1176,6 @@ MapBlockMesh::MapBlockMesh(MeshMakeData *data, v3s16 camera_offset):
 		}
 
 		if (m_mesh[layer]) {
-#if 0
-			// Usually 1-700 faces and 1-7 materials
-			std::cout << "Updated MapBlock has " << fastfaces_new.size()
-					<< " faces and uses " << m_mesh[layer]->getMeshBufferCount()
-					<< " materials (meshbuffers)" << std::endl;
-#endif
-
 			// Use VBO for mesh (this just would set this for ever buffer)
 			if (m_enable_vbo)
 				m_mesh[layer]->setHardwareMappingHint(scene::EHM_STATIC);
diff --git a/src/client/mapblock_mesh.h b/src/client/mapblock_mesh.h
index 0308b8161..3b17c4af9 100644
--- a/src/client/mapblock_mesh.h
+++ b/src/client/mapblock_mesh.h
@@ -125,8 +125,6 @@ public:
 			m_animation_force_timer--;
 	}
 
-	void updateCameraOffset(v3s16 camera_offset);
-
 private:
 	scene::IMesh *m_mesh[MAX_TILE_LAYERS];
 	MinimapMapblock *m_minimap_mapblock;
diff --git a/src/client/mesh_generator_thread.h b/src/client/mesh_generator_thread.h
index f3c5e7da8..4371b8390 100644
--- a/src/client/mesh_generator_thread.h
+++ b/src/client/mesh_generator_thread.h
@@ -40,7 +40,6 @@ struct QueuedMeshUpdate
 {
 	v3s16 p = v3s16(-1337, -1337, -1337);
 	bool ack_block_to_server = false;
-	bool urgent = false;
 	int crack_level = -1;
 	v3s16 crack_pos;
 	MeshMakeData *data = nullptr; // This is generated in MeshUpdateQueue::pop()
diff --git a/src/client/minimap.h b/src/client/minimap.h
index 4a2c462f8..87c9668ee 100644
--- a/src/client/minimap.h
+++ b/src/client/minimap.h
@@ -138,7 +138,6 @@ public:
 	size_t getMaxModeIndex() const { return m_modes.size() - 1; };
 	void nextMode();
 
-	void setModesFromString(std::string modes_string);
 	MinimapModeDef getModeDef() const { return data->mode; }
 
 	video::ITexture *getMinimapTexture();
diff --git a/src/client/tile.cpp b/src/client/tile.cpp
index 37836d0df..aad956ada 100644
--- a/src/client/tile.cpp
+++ b/src/client/tile.cpp
@@ -429,7 +429,6 @@ private:
 	// Cached settings needed for making textures from meshes
 	bool m_setting_trilinear_filter;
 	bool m_setting_bilinear_filter;
-	bool m_setting_anisotropic_filter;
 };
 
 IWritableTextureSource *createTextureSource()
@@ -450,7 +449,6 @@ TextureSource::TextureSource()
 	// for these settings to take effect
 	m_setting_trilinear_filter = g_settings->getBool("trilinear_filter");
 	m_setting_bilinear_filter = g_settings->getBool("bilinear_filter");
-	m_setting_anisotropic_filter = g_settings->getBool("anisotropic_filter");
 }
 
 TextureSource::~TextureSource()
diff --git a/src/emerge.cpp b/src/emerge.cpp
index 12e407797..e0dc5628e 100644
--- a/src/emerge.cpp
+++ b/src/emerge.cpp
@@ -396,14 +396,7 @@ int EmergeManager::getGroundLevelAtPoint(v2s16 p)
 // TODO(hmmmm): Move this to ServerMap
 bool EmergeManager::isBlockUnderground(v3s16 blockpos)
 {
-#if 0
-	v2s16 p = v2s16((blockpos.X * MAP_BLOCKSIZE) + MAP_BLOCKSIZE / 2,
-					(blockpos.Y * MAP_BLOCKSIZE) + MAP_BLOCKSIZE / 2);
-	int ground_level = getGroundLevelAtPoint(p);
-	return blockpos.Y * (MAP_BLOCKSIZE + 1) <= min(water_level, ground_level);
-#endif
-
-	// Use a simple heuristic; the above method is wildly inaccurate anyway.
+	// Use a simple heuristic
 	return blockpos.Y * (MAP_BLOCKSIZE + 1) <= mgparams->water_level;
 }
 
diff --git a/src/exceptions.h b/src/exceptions.h
index c54307653..a558adc5d 100644
--- a/src/exceptions.h
+++ b/src/exceptions.h
@@ -72,11 +72,6 @@ public:
 	SettingNotFoundException(const std::string &s): BaseException(s) {}
 };
 
-class InvalidFilenameException : public BaseException {
-public:
-	InvalidFilenameException(const std::string &s): BaseException(s) {}
-};
-
 class ItemNotFoundException : public BaseException {
 public:
 	ItemNotFoundException(const std::string &s): BaseException(s) {}
diff --git a/src/filesys.cpp b/src/filesys.cpp
index 28a33f4d0..eeba0c564 100644
--- a/src/filesys.cpp
+++ b/src/filesys.cpp
@@ -401,21 +401,6 @@ void GetRecursiveSubPaths(const std::string &path,
 	}
 }
 
-bool DeletePaths(const std::vector<std::string> &paths)
-{
-	bool success = true;
-	// Go backwards to succesfully delete the output of GetRecursiveSubPaths
-	for(int i=paths.size()-1; i>=0; i--){
-		const std::string &path = paths[i];
-		bool did = DeleteSingleFileOrEmptyDirectory(path);
-		if(!did){
-			errorstream<<"Failed to delete "<<path<<std::endl;
-			success = false;
-		}
-	}
-	return success;
-}
-
 bool RecursiveDeleteContent(const std::string &path)
 {
 	infostream<<"Removing content of \""<<path<<"\""<<std::endl;
diff --git a/src/filesys.h b/src/filesys.h
index b2c800c55..cfbfa02bf 100644
--- a/src/filesys.h
+++ b/src/filesys.h
@@ -85,9 +85,6 @@ void GetRecursiveSubPaths(const std::string &path,
 		  bool list_files,
 		  const std::set<char> &ignore = {});
 
-// Tries to delete all, returns false if any failed
-bool DeletePaths(const std::vector<std::string> &paths);
-
 // Only pass full paths to this one. True on success.
 bool RecursiveDeleteContent(const std::string &path);
 
diff --git a/src/gui/guiButtonItemImage.cpp b/src/gui/guiButtonItemImage.cpp
index d8b9042ac..39272fe37 100644
--- a/src/gui/guiButtonItemImage.cpp
+++ b/src/gui/guiButtonItemImage.cpp
@@ -39,7 +39,6 @@ GUIButtonItemImage::GUIButtonItemImage(gui::IGUIEnvironment *environment,
 			item, getActiveFont(), client);
 	sendToBack(m_image);
 
-	m_item_name = item;
 	m_client = client;
 }
 
diff --git a/src/gui/guiButtonItemImage.h b/src/gui/guiButtonItemImage.h
index aad923bda..b90ac757e 100644
--- a/src/gui/guiButtonItemImage.h
+++ b/src/gui/guiButtonItemImage.h
@@ -42,7 +42,6 @@ public:
 			Client *client);
 
 private:
-	std::string m_item_name;
 	Client *m_client;
 	GUIItemImage *m_image;
 };
diff --git a/src/gui/guiChatConsole.h b/src/gui/guiChatConsole.h
index 204f9f9cc..896342ab0 100644
--- a/src/gui/guiChatConsole.h
+++ b/src/gui/guiChatConsole.h
@@ -68,8 +68,6 @@ public:
 	// Irrlicht draw method
 	virtual void draw();
 
-	bool canTakeFocus(gui::IGUIElement* element) { return false; }
-
 	virtual bool OnEvent(const SEvent& event);
 
 	virtual void setVisible(bool visible);
diff --git a/src/gui/guiEngine.cpp b/src/gui/guiEngine.cpp
index c5ad5c323..6e2c2b053 100644
--- a/src/gui/guiEngine.cpp
+++ b/src/gui/guiEngine.cpp
@@ -486,8 +486,6 @@ void GUIEngine::drawHeader(video::IVideoDriver *driver)
 		splashrect += v2s32((screensize.Width/2)-(splashsize.X/2),
 				((free_space/2)-splashsize.Y/2)+10);
 
-	video::SColor bgcolor(255,50,50,50);
-
 	draw2DImageFilterScaled(driver, texture, splashrect,
 		core::rect<s32>(core::position2d<s32>(0,0),
 		core::dimension2di(texture->getOriginalSize())),
diff --git a/src/gui/guiFormSpecMenu.cpp b/src/gui/guiFormSpecMenu.cpp
index 973fc60a8..4415bdd3a 100644
--- a/src/gui/guiFormSpecMenu.cpp
+++ b/src/gui/guiFormSpecMenu.cpp
@@ -3505,8 +3505,6 @@ bool GUIFormSpecMenu::getAndroidUIInput()
 
 GUIInventoryList::ItemSpec GUIFormSpecMenu::getItemAtPos(v2s32 p) const
 {
-	core::rect<s32> imgrect(0, 0, imgsize.X, imgsize.Y);
-
 	for (const GUIInventoryList *e : m_inventorylists) {
 		s32 item_index = e->getItemIndexAtPos(p);
 		if (item_index != -1)
@@ -3837,7 +3835,7 @@ ItemStack GUIFormSpecMenu::verifySelectedItem()
 	return ItemStack();
 }
 
-void GUIFormSpecMenu::acceptInput(FormspecQuitMode quitmode=quit_mode_no)
+void GUIFormSpecMenu::acceptInput(FormspecQuitMode quitmode)
 {
 	if(m_text_dst)
 	{
diff --git a/src/gui/guiFormSpecMenu.h b/src/gui/guiFormSpecMenu.h
index 37106cb65..d658aba7b 100644
--- a/src/gui/guiFormSpecMenu.h
+++ b/src/gui/guiFormSpecMenu.h
@@ -253,7 +253,7 @@ public:
 	void updateSelectedItem();
 	ItemStack verifySelectedItem();
 
-	void acceptInput(FormspecQuitMode quitmode);
+	void acceptInput(FormspecQuitMode quitmode=quit_mode_no);
 	bool preprocessEvent(const SEvent& event);
 	bool OnEvent(const SEvent& event);
 	bool doPause;
diff --git a/src/map.cpp b/src/map.cpp
index 6a7cadca5..aff545921 100644
--- a/src/map.cpp
+++ b/src/map.cpp
@@ -530,23 +530,6 @@ void Map::transformLiquids(std::map<v3s16, MapBlock*> &modified_blocks,
 	u32 liquid_loop_max = g_settings->getS32("liquid_loop_max");
 	u32 loop_max = liquid_loop_max;
 
-#if 0
-
-	/* If liquid_loop_max is not keeping up with the queue size increase
-	 * loop_max up to a maximum of liquid_loop_max * dedicated_server_step.
-	 */
-	if (m_transforming_liquid.size() > loop_max * 2) {
-		// "Burst" mode
-		float server_step = g_settings->getFloat("dedicated_server_step");
-		if (m_transforming_liquid_loop_count_multiplier - 1.0 < server_step)
-			m_transforming_liquid_loop_count_multiplier *= 1.0 + server_step / 10;
-	} else {
-		m_transforming_liquid_loop_count_multiplier = 1.0;
-	}
-
-	loop_max *= m_transforming_liquid_loop_count_multiplier;
-#endif
-
 	while (m_transforming_liquid.size() != 0)
 	{
 		// This should be done here so that it is done when continue is used
@@ -1302,18 +1285,6 @@ ServerMap::~ServerMap()
 	*/
 	delete dbase;
 	delete dbase_ro;
-
-#if 0
-	/*
-		Free all MapChunks
-	*/
-	core::map<v2s16, MapChunk*>::Iterator i = m_chunks.getIterator();
-	for(; i.atEnd() == false; i++)
-	{
-		MapChunk *chunk = i.getNode()->getValue();
-		delete chunk;
-	}
-#endif
 }
 
 MapgenParams *ServerMap::getMapgenParams()
@@ -1402,25 +1373,6 @@ bool ServerMap::initBlockMake(v3s16 blockpos, BlockMakeData *data)
 	data->vmanip = new MMVManip(this);
 	data->vmanip->initialEmerge(full_bpmin, full_bpmax);
 
-	// Note: we may need this again at some point.
-#if 0
-	// Ensure none of the blocks to be generated were marked as
-	// containing CONTENT_IGNORE
-	for (s16 z = blockpos_min.Z; z <= blockpos_max.Z; z++) {
-		for (s16 y = blockpos_min.Y; y <= blockpos_max.Y; y++) {
-			for (s16 x = blockpos_min.X; x <= blockpos_max.X; x++) {
-				core::map<v3s16, u8>::Node *n;
-				n = data->vmanip->m_loaded_blocks.find(v3s16(x, y, z));
-				if (n == NULL)
-					continue;
-				u8 flags = n->getValue();
-				flags &= ~VMANIP_BLOCK_CONTAINS_CIGNORE;
-				n->setValue(flags);
-			}
-		}
-	}
-#endif
-
 	// Data is ready now.
 	return true;
 }
@@ -1431,8 +1383,6 @@ void ServerMap::finishBlockMake(BlockMakeData *data,
 	v3s16 bpmin = data->blockpos_min;
 	v3s16 bpmax = data->blockpos_max;
 
-	v3s16 extra_borders(1, 1, 1);
-
 	bool enable_mapgen_debug_info = m_emerge->enable_mapgen_debug_info;
 	EMERGE_DBG_OUT("finishBlockMake(): " PP(bpmin) " - " PP(bpmax));
 
@@ -1525,116 +1475,6 @@ MapSector *ServerMap::createSector(v2s16 p2d)
 	return sector;
 }
 
-#if 0
-/*
-	This is a quick-hand function for calling makeBlock().
-*/
-MapBlock * ServerMap::generateBlock(
-		v3s16 p,
-		std::map<v3s16, MapBlock*> &modified_blocks
-)
-{
-	bool enable_mapgen_debug_info = g_settings->getBool("enable_mapgen_debug_info");
-
-	TimeTaker timer("generateBlock");
-
-	//MapBlock *block = original_dummy;
-
-	v2s16 p2d(p.X, p.Z);
-	v2s16 p2d_nodes = p2d * MAP_BLOCKSIZE;
-
-	/*
-		Do not generate over-limit
-	*/
-	if(blockpos_over_limit(p))
-	{
-		infostream<<FUNCTION_NAME<<": Block position over limit"<<std::endl;
-		throw InvalidPositionException("generateBlock(): pos. over limit");
-	}
-
-	/*
-		Create block make data
-	*/
-	BlockMakeData data;
-	initBlockMake(&data, p);
-
-	/*
-		Generate block
-	*/
-	{
-		TimeTaker t("mapgen::make_block()");
-		mapgen->makeChunk(&data);
-		//mapgen::make_block(&data);
-
-		if(enable_mapgen_debug_info == false)
-			t.stop(true); // Hide output
-	}
-
-	/*
-		Blit data back on map, update lighting, add mobs and whatever this does
-	*/
-	finishBlockMake(&data, modified_blocks);
-
-	/*
-		Get central block
-	*/
-	MapBlock *block = getBlockNoCreateNoEx(p);
-
-#if 0
-	/*
-		Check result
-	*/
-	if(block)
-	{
-		bool erroneus_content = false;
-		for(s16 z0=0; z0<MAP_BLOCKSIZE; z0++)
-		for(s16 y0=0; y0<MAP_BLOCKSIZE; y0++)
-		for(s16 x0=0; x0<MAP_BLOCKSIZE; x0++)
-		{
-			v3s16 p(x0,y0,z0);
-			MapNode n = block->getNode(p);
-			if(n.getContent() == CONTENT_IGNORE)
-			{
-				infostream<<"CONTENT_IGNORE at "
-						<<"("<<p.X<<","<<p.Y<<","<<p.Z<<")"
-						<<std::endl;
-				erroneus_content = true;
-				assert(0);
-			}
-		}
-		if(erroneus_content)
-		{
-			assert(0);
-		}
-	}
-#endif
-
-#if 0
-	/*
-		Generate a completely empty block
-	*/
-	if(block)
-	{
-		for(s16 z0=0; z0<MAP_BLOCKSIZE; z0++)
-		for(s16 x0=0; x0<MAP_BLOCKSIZE; x0++)
-		{
-			for(s16 y0=0; y0<MAP_BLOCKSIZE; y0++)
-			{
-				MapNode n;
-				n.setContent(CONTENT_AIR);
-				block->setNode(v3s16(x0,y0,z0), n);
-			}
-		}
-	}
-#endif
-
-	if(enable_mapgen_debug_info == false)
-		timer.stop(true); // Hide output
-
-	return block;
-}
-#endif
-
 MapBlock * ServerMap::createBlock(v3s16 p)
 {
 	/*
diff --git a/src/map.h b/src/map.h
index c8bae9451..e68795c4a 100644
--- a/src/map.h
+++ b/src/map.h
@@ -417,13 +417,7 @@ private:
 	bool m_map_saving_enabled;
 
 	int m_map_compression_level;
-#if 0
-	// Chunk size in MapSectors
-	// If 0, chunks are disabled.
-	s16 m_chunksize;
-	// Chunks
-	core::map<v2s16, MapChunk*> m_chunks;
-#endif
+
 	std::set<v3s16> m_chunks_in_progress;
 
 	/*
diff --git a/src/mapblock.h b/src/mapblock.h
index 641a1b69b..7b82301e9 100644
--- a/src/mapblock.h
+++ b/src/mapblock.h
@@ -340,15 +340,6 @@ public:
 	// is not valid on this MapBlock.
 	bool isValidPositionParent(v3s16 p);
 	MapNode getNodeParent(v3s16 p, bool *is_valid_position = NULL);
-	void setNodeParent(v3s16 p, MapNode & n);
-
-	inline void drawbox(s16 x0, s16 y0, s16 z0, s16 w, s16 h, s16 d, MapNode node)
-	{
-		for (u16 z = 0; z < d; z++)
-		for (u16 y = 0; y < h; y++)
-		for (u16 x = 0; x < w; x++)
-			setNode(x0 + x, y0 + y, z0 + z, node);
-	}
 
 	// Copies data to VoxelManipulator to getPosRelative()
 	void copyTo(VoxelManipulator &dst);
diff --git a/src/mapgen/mapgen_v6.cpp b/src/mapgen/mapgen_v6.cpp
index e04180f96..bce9cee81 100644
--- a/src/mapgen/mapgen_v6.cpp
+++ b/src/mapgen/mapgen_v6.cpp
@@ -792,7 +792,7 @@ void MapgenV6::flowMud(s16 &mudflow_minpos, s16 &mudflow_maxpos)
 		v3s16(0, 0, -1), // Front
 		v3s16(-1, 0, 0), // Left
 	};
-	
+
 	// Iterate twice
 	for (s16 k = 0; k < 2; k++) {
 		for (s16 z = mudflow_minpos; z <= mudflow_maxpos; z++)
@@ -1055,7 +1055,6 @@ void MapgenV6::growGrass() // Add surface nodes
 	MapNode n_dirt_with_grass(c_dirt_with_grass);
 	MapNode n_dirt_with_snow(c_dirt_with_snow);
 	MapNode n_snowblock(c_snowblock);
-	MapNode n_snow(c_snow);
 	const v3s16 &em = vm->m_area.getExtent();
 
 	u32 index = 0;
diff --git a/src/network/networkexceptions.h b/src/network/networkexceptions.h
index f4913928c..58a3bb490 100644
--- a/src/network/networkexceptions.h
+++ b/src/network/networkexceptions.h
@@ -56,12 +56,6 @@ public:
 	InvalidIncomingDataException(const char *s) : BaseException(s) {}
 };
 
-class InvalidOutgoingDataException : public BaseException
-{
-public:
-	InvalidOutgoingDataException(const char *s) : BaseException(s) {}
-};
-
 class NoIncomingDataException : public BaseException
 {
 public:
@@ -103,4 +97,4 @@ class SendFailedException : public BaseException
 {
 public:
 	SendFailedException(const std::string &s) : BaseException(s) {}
-};
\ No newline at end of file
+};
diff --git a/src/pathfinder.cpp b/src/pathfinder.cpp
index 3f0b98c10..1cb84997a 100644
--- a/src/pathfinder.cpp
+++ b/src/pathfinder.cpp
@@ -157,9 +157,8 @@ public:
 
 	ArrayGridNodeContainer(Pathfinder *pathf, v3s16 dimensions);
 	virtual PathGridnode &access(v3s16 p);
-private:
-	v3s16 m_dimensions;
 
+private:
 	int m_x_stride;
 	int m_y_stride;
 	std::vector<PathGridnode> m_nodes_array;
@@ -306,8 +305,6 @@ private:
 	int m_max_index_y = 0;            /**< max index of search area in y direction  */
 	int m_max_index_z = 0;            /**< max index of search area in z direction  */
 
-
-	int m_searchdistance = 0;         /**< max distance to search in each direction */
 	int m_maxdrop = 0;                /**< maximum number of blocks a path may drop */
 	int m_maxjump = 0;                /**< maximum number of blocks a path may jump */
 	int m_min_target_distance = 0;    /**< current smalest path to target           */
@@ -619,7 +616,6 @@ std::vector<v3s16> Pathfinder::getPath(v3s16 source,
 	std::vector<v3s16> retval;
 
 	//initialization
-	m_searchdistance = searchdistance;
 	m_maxjump = max_jump;
 	m_maxdrop = max_drop;
 	m_start       = source;
diff --git a/src/script/cpp_api/s_async.cpp b/src/script/cpp_api/s_async.cpp
index 5f1f9297e..0619b32c0 100644
--- a/src/script/cpp_api/s_async.cpp
+++ b/src/script/cpp_api/s_async.cpp
@@ -157,35 +157,6 @@ void AsyncEngine::step(lua_State *L)
 	lua_pop(L, 2); // Pop core and error handler
 }
 
-/******************************************************************************/
-void AsyncEngine::pushFinishedJobs(lua_State* L) {
-	// Result Table
-	MutexAutoLock l(resultQueueMutex);
-
-	unsigned int index = 1;
-	lua_createtable(L, resultQueue.size(), 0);
-	int top = lua_gettop(L);
-
-	while (!resultQueue.empty()) {
-		LuaJobInfo jobDone = resultQueue.front();
-		resultQueue.pop_front();
-
-		lua_createtable(L, 0, 2);  // Pre-allocate space for two map fields
-		int top_lvl2 = lua_gettop(L);
-
-		lua_pushstring(L, "jobid");
-		lua_pushnumber(L, jobDone.id);
-		lua_settable(L, top_lvl2);
-
-		lua_pushstring(L, "retval");
-		lua_pushlstring(L, jobDone.serializedResult.data(),
-			jobDone.serializedResult.size());
-		lua_settable(L, top_lvl2);
-
-		lua_rawseti(L, top, index++);
-	}
-}
-
 /******************************************************************************/
 void AsyncEngine::prepareEnvironment(lua_State* L, int top)
 {
diff --git a/src/script/cpp_api/s_async.h b/src/script/cpp_api/s_async.h
index b1f4bf45f..99a4f891c 100644
--- a/src/script/cpp_api/s_async.h
+++ b/src/script/cpp_api/s_async.h
@@ -98,12 +98,6 @@ public:
 	 */
 	void step(lua_State *L);
 
-	/**
-	 * Push a list of finished jobs onto the stack
-	 * @param L The Lua stack
-	 */
-	void pushFinishedJobs(lua_State *L);
-
 protected:
 	/**
 	 * Get a Job from queue to be processed
diff --git a/src/server.h b/src/server.h
index 4b3ac5cf7..a7e85d0e1 100644
--- a/src/server.h
+++ b/src/server.h
@@ -564,9 +564,6 @@ private:
 	// Craft definition manager
 	IWritableCraftDefManager *m_craftdef;
 
-	// Event manager
-	EventManager *m_event;
-
 	// Mods
 	std::unique_ptr<ServerModManager> m_modmgr;
 
diff --git a/src/server/player_sao.h b/src/server/player_sao.h
index 6aee8d5aa..8e2d8803f 100644
--- a/src/server/player_sao.h
+++ b/src/server/player_sao.h
@@ -114,7 +114,6 @@ public:
 	void rightClick(ServerActiveObject *clicker);
 	void setHP(s32 hp, const PlayerHPChangeReason &reason);
 	void setHPRaw(u16 hp) { m_hp = hp; }
-	s16 readDamage();
 	u16 getBreath() const { return m_breath; }
 	void setBreath(const u16 breath, bool send = true);
 
diff --git a/src/server/serveractiveobject.h b/src/server/serveractiveobject.h
index 25653a1ad..51f445914 100644
--- a/src/server/serveractiveobject.h
+++ b/src/server/serveractiveobject.h
@@ -162,8 +162,6 @@ public:
 	{}
 	virtual const ItemGroupList &getArmorGroups() const
 	{ static ItemGroupList rv; return rv; }
-	virtual void setPhysicsOverride(float physics_override_speed, float physics_override_jump, float physics_override_gravity)
-	{}
 	virtual void setAnimation(v2f frames, float frame_speed, float frame_blend, bool frame_loop)
 	{}
 	virtual void getAnimation(v2f *frames, float *frame_speed, float *frame_blend, bool *frame_loop)
@@ -206,7 +204,6 @@ public:
 	}
 
 	std::string generateUpdateInfantCommand(u16 infant_id, u16 protocol_version);
-	std::string generateUpdateNametagAttributesCommand(const video::SColor &color) const;
 
 	void dumpAOMessagesToQueue(std::queue<ActiveObjectMessage> &queue);
 
diff --git a/src/serverenvironment.h b/src/serverenvironment.h
index c76d34a37..a11c814ed 100644
--- a/src/serverenvironment.h
+++ b/src/serverenvironment.h
@@ -190,14 +190,6 @@ enum ClearObjectsMode {
 		CLEAR_OBJECTS_MODE_QUICK,
 };
 
-/*
-	The server-side environment.
-
-	This is not thread-safe. Server uses an environment mutex.
-*/
-
-typedef std::unordered_map<u16, ServerActiveObject *> ServerActiveObjectMap;
-
 class ServerEnvironment : public Environment
 {
 public:
@@ -331,7 +323,7 @@ public:
 	{
 		return m_ao_manager.getObjectsInsideRadius(pos, radius, objects, include_obj_cb);
 	}
-	
+
 	// Find all active objects inside a box
 	void getObjectsInArea(std::vector<ServerActiveObject *> &objects, const aabb3f &box,
 			std::function<bool(ServerActiveObject *obj)> include_obj_cb)