diff --git a/src/client/mesh.cpp b/src/client/mesh.cpp
diff --git a/src/client/mesh.h b/src/client/mesh.h
@@ -133,10 +133,3 @@ void recalculateBoundingBox(scene::IMesh *src_mesh);
 	We assume normal to be valid when it's 0 < length < Inf. and not NaN
  */
 bool checkMeshNormals(scene::IMesh *mesh);
-
-/*
-	Vertex cache optimization according to the Forsyth paper:
-	http://home.comcast.net/~tom_forsyth/papers/fast_vert_cache_opt.html
-	Ported from irrlicht 1.8
-*/
-scene::IMesh* createForsythOptimizedMesh(const scene::IMesh *mesh);
diff --git a/src/clientiface.cpp b/src/clientiface.cpp
@@ -714,31 +714,6 @@ void ClientInterface::sendToAll(NetworkPacket *pkt)
 	}
 }
 
-void ClientInterface::sendToAllCompat(NetworkPacket *pkt, NetworkPacket *legacypkt,
-		u16 min_proto_ver)
-{
-	RecursiveMutexAutoLock clientslock(m_clients_mutex);
-	for (auto &client_it : m_clients) {
-		RemoteClient *client = client_it.second;
-		NetworkPacket *pkt_to_send = nullptr;
-
-		if (client->net_proto_version >= min_proto_ver) {
-			pkt_to_send = pkt;
-		} else if (client->net_proto_version != 0) {
-			pkt_to_send = legacypkt;
-		} else {
-			warningstream << "Client with unhandled version to handle: '"
-				<< client->net_proto_version << "'";
-			continue;
-		}
-
-		m_con->Send(client->peer_id,
-			clientCommandFactoryTable[pkt_to_send->getCommand()].channel,
-			pkt_to_send,
-			clientCommandFactoryTable[pkt_to_send->getCommand()].reliable);
-	}
-}
-
 RemoteClient* ClientInterface::getClientNoEx(session_t peer_id, ClientState state_min)
 {
 	RecursiveMutexAutoLock clientslock(m_clients_mutex);

diff --git a/src/clientiface.h b/src/clientiface.h
@@ -465,7 +465,6 @@ class ClientInterface {
 
 	/* send to all clients */
 	void sendToAll(NetworkPacket *pkt);
-	void sendToAllCompat(NetworkPacket *pkt, NetworkPacket *legacypkt, u16 min_proto_ver);
 
 	/* delete a client */
 	void DeleteClient(session_t peer_id);

diff --git a/src/emerge.cpp b/src/emerge.cpp
@@ -367,12 +367,6 @@ bool EmergeManager::isBlockInQueue(v3s16 pos)
 //
 
 
-// TODO(hmmmm): Move this to ServerMap
-v3s16 EmergeManager::getContainingChunk(v3s16 blockpos)
-{
-	return getContainingChunk(blockpos, mgparams->chunksize);
-}
-
 // TODO(hmmmm): Move this to ServerMap
 v3s16 EmergeManager::getContainingChunk(v3s16 blockpos, s16 chunksize)
 {
@@ -396,17 +390,6 @@ int EmergeManager::getSpawnLevelAtPoint(v2s16 p)
 }
 
 
-int EmergeManager::getGroundLevelAtPoint(v2s16 p)
-{
-	if (m_mapgens.empty() || !m_mapgens[0]) {
-		errorstream << "EmergeManager: getGroundLevelAtPoint() called"
-			" before mapgen init" << std::endl;
-		return 0;
-	}
-
-	return m_mapgens[0]->getGroundLevelAtPoint(p);
-}
-
 // TODO(hmmmm): Move this to ServerMap
 bool EmergeManager::isBlockUnderground(v3s16 blockpos)
 {

diff --git a/src/emerge.h b/src/emerge.h
@@ -176,13 +176,10 @@ class EmergeManager {
 
 	bool isBlockInQueue(v3s16 pos);
 
-	v3s16 getContainingChunk(v3s16 blockpos);
-
 	Mapgen *getCurrentMapgen();
 
 	// Mapgen helpers methods
 	int getSpawnLevelAtPoint(v2s16 p);
-	int getGroundLevelAtPoint(v2s16 p);
 	bool isBlockUnderground(v3s16 blockpos);
 
 	static v3s16 getContainingChunk(v3s16 blockpos, s16 chunksize);

diff --git a/src/inventory.cpp b/src/inventory.cpp
@@ -560,11 +560,6 @@ u32 InventoryList::getUsedSlots() const
 	return num;
 }
 
-u32 InventoryList::getFreeSlots() const
-{
-	return getSize() - getUsedSlots();
-}
-
 const ItemStack& InventoryList::getItem(u32 i) const
 {
 	assert(i < m_size); // Pre-condition

diff --git a/src/inventory.h b/src/inventory.h
@@ -211,7 +211,6 @@ class InventoryList
 	u32 getWidth() const;
 	// Count used slots
 	u32 getUsedSlots() const;
-	u32 getFreeSlots() const;
 
 	// Get reference to item
 	const ItemStack& getItem(u32 i) const;

diff --git a/src/map.cpp b/src/map.cpp
@@ -139,13 +139,6 @@ MapBlock * Map::getBlockNoCreate(v3s16 p3d)
 	return block;
 }
 
-bool Map::isNodeUnderground(v3s16 p)
-{
-	v3s16 blockpos = getNodeBlockPos(p);
-	MapBlock *block = getBlockNoCreateNoEx(blockpos);
-	return block && block->getIsUnderground();
-}
-
 bool Map::isValidPosition(v3s16 p)
 {
 	v3s16 blockpos = getNodeBlockPos(p);

diff --git a/src/map.h b/src/map.h
@@ -167,9 +167,6 @@ class Map /*: public NodeContainer*/
 
 	inline const NodeDefManager * getNodeDefManager() { return m_nodedef; }
 
-	// Returns InvalidPositionException if not found
-	bool isNodeUnderground(v3s16 p);
-
 	bool isValidPosition(v3s16 p);
 
 	// throws InvalidPositionException if not found

diff --git a/src/mapblock.cpp b/src/mapblock.cpp
@@ -218,31 +218,6 @@ void MapBlock::expireDayNightDiff()
 	m_day_night_differs_expired = true;
 }
 
-s16 MapBlock::getGroundLevel(v2s16 p2d)
-{
-	if(isDummy())
-		return -3;
-	try
-	{
-		s16 y = MAP_BLOCKSIZE-1;
-		for(; y>=0; y--)
-		{
-			MapNode n = getNodeRef(p2d.X, y, p2d.Y);
-			if (m_gamedef->ndef()->get(n).walkable) {
-				if(y == MAP_BLOCKSIZE-1)
-					return -2;
-
-				return y;
-			}
-		}
-		return -1;
-	}
-	catch(InvalidPositionException &e)
-	{
-		return -3;
-	}
-}
-
 /*
 	Serialization
 */

diff --git a/src/mapblock.h b/src/mapblock.h
@@ -363,20 +363,6 @@ class MapBlock
 		return m_day_night_differs;
 	}
 
-	////
-	//// Miscellaneous stuff
-	////
-
-	/*
-		Tries to measure ground level.
-		Return value:
-			-1 = only air
-			-2 = only ground
-			-3 = random fail
-			0...MAP_BLOCKSIZE-1 = ground level
-	*/
-	s16 getGroundLevel(v2s16 p2d);
-
 	////
 	//// Timestamp (see m_timestamp)
 	////

diff --git a/src/mapgen/mapgen_v6.cpp b/src/mapgen/mapgen_v6.cpp
@@ -360,19 +360,6 @@ int MapgenV6::getSpawnLevelAtPoint(v2s16 p)
 
 //////////////////////// Noise functions
 
-float MapgenV6::getMudAmount(v2s16 p)
-{
-	int index = (p.Y - node_min.Z) * ystride + (p.X - node_min.X);
-	return getMudAmount(index);
-}
-
-
-bool MapgenV6::getHaveBeach(v2s16 p)
-{
-	int index = (p.Y - node_min.Z) * ystride + (p.X - node_min.X);
-	return getHaveBeach(index);
-}
-
 
 BiomeV6Type MapgenV6::getBiome(v2s16 p)
 {

diff --git a/src/mapgen/mapgen_v6.h b/src/mapgen/mapgen_v6.h
@@ -154,9 +154,7 @@ class MapgenV6 : public Mapgen {
 	float getHumidity(v2s16 p);
 	float getTreeAmount(v2s16 p);
 	bool getHaveAppleTree(v2s16 p);
-	float getMudAmount(v2s16 p);
-	virtual float getMudAmount(int index);
-	bool getHaveBeach(v2s16 p);
+	float getMudAmount(int index);
 	bool getHaveBeach(int index);
 	BiomeV6Type getBiome(v2s16 p);
 	BiomeV6Type getBiome(int index, v2s16 p);

diff --git a/src/noise.cpp b/src/noise.cpp
@@ -312,51 +312,6 @@ float noise2d_perlin(float x, float y, s32 seed,
 }
 
 
-float noise2d_perlin_abs(float x, float y, s32 seed,
-	int octaves, float persistence, bool eased)
-{
-	float a = 0;
-	float f = 1.0;
-	float g = 1.0;
-	for (int i = 0; i < octaves; i++) {
-		a += g * std::fabs(noise2d_gradient(x * f, y * f, seed + i, eased));
-		f *= 2.0;
-		g *= persistence;
-	}
-	return a;
-}
-
-
-float noise3d_perlin(float x, float y, float z, s32 seed,
-	int octaves, float persistence, bool eased)
-{
-	float a = 0;
-	float f = 1.0;
-	float g = 1.0;
-	for (int i = 0; i < octaves; i++) {
-		a += g * noise3d_gradient(x * f, y * f, z * f, seed + i, eased);
-		f *= 2.0;
-		g *= persistence;
-	}
-	return a;
-}
-
-
-float noise3d_perlin_abs(float x, float y, float z, s32 seed,
-	int octaves, float persistence, bool eased)
-{
-	float a = 0;
-	float f = 1.0;
-	float g = 1.0;
-	for (int i = 0; i < octaves; i++) {
-		a += g * std::fabs(noise3d_gradient(x * f, y * f, z * f, seed + i, eased));
-		f *= 2.0;
-		g *= persistence;
-	}
-	return a;
-}
-
-
 float contour(float v)
 {
 	v = std::fabs(v);

diff --git a/src/noise.h b/src/noise.h
@@ -224,15 +224,6 @@ float noise3d_gradient(float x, float y, float z, s32 seed, bool eased=false);
 float noise2d_perlin(float x, float y, s32 seed,
 		int octaves, float persistence, bool eased=true);
 
-float noise2d_perlin_abs(float x, float y, s32 seed,
-		int octaves, float persistence, bool eased=true);
-
-float noise3d_perlin(float x, float y, float z, s32 seed,
-		int octaves, float persistence, bool eased=false);
-
-float noise3d_perlin_abs(float x, float y, float z, s32 seed,
-		int octaves, float persistence, bool eased=false);
-
 inline float easeCurve(float t)
 {
 	return t * t * t * (t * (6.f * t - 15.f) + 10.f);

diff --git a/src/rollback.cpp b/src/rollback.cpp
@@ -941,12 +941,6 @@ void RollbackManager::addAction(const RollbackAction & action)
 	}
 }
 
-std::list<RollbackAction> RollbackManager::getEntriesSince(time_t first_time)
-{
-	flush();
-	return getActionsSince(first_time);
-}
-
 std::list<RollbackAction> RollbackManager::getNodeActors(v3s16 pos, int range,
 		time_t seconds, int limit)
 {

diff --git a/src/rollback.h b/src/rollback.h
@@ -46,7 +46,6 @@ class RollbackManager: public IRollbackManager
 	void flush();
 
 	void addAction(const RollbackAction & action);
-	std::list<RollbackAction> getEntriesSince(time_t first_time);
 	std::list<RollbackAction> getNodeActors(v3s16 pos, int range,
 			time_t seconds, int limit);
 	std::list<RollbackAction> getRevertActions(

diff --git a/src/script/lua_api/l_inventory.cpp b/src/script/lua_api/l_inventory.cpp
@@ -421,19 +421,6 @@ void InvRef::create(lua_State *L, const InventoryLocation &loc)
 	luaL_getmetatable(L, className);
 	lua_setmetatable(L, -2);
 }
-void InvRef::createPlayer(lua_State *L, RemotePlayer *player)
-{
-	NO_MAP_LOCK_REQUIRED;
-	InventoryLocation loc;
-	loc.setPlayer(player->getName());
-	create(L, loc);
-}
-void InvRef::createNodeMeta(lua_State *L, v3s16 p)
-{
-	InventoryLocation loc;
-	loc.setNodeMeta(p);
-	create(L, loc);
-}
 
 void InvRef::Register(lua_State *L)
 {

diff --git a/src/script/lua_api/l_inventory.h b/src/script/lua_api/l_inventory.h
@@ -111,8 +111,6 @@ class InvRef : public ModApiBase {
 	// Creates an InvRef and leaves it on top of stack
 	// Not callable from Lua; all references are created on the C side.
 	static void create(lua_State *L, const InventoryLocation &loc);
-	static void createPlayer(lua_State *L, RemotePlayer *player);
-	static void createNodeMeta(lua_State *L, v3s16 p);
 	static void Register(lua_State *L);
 };
 

diff --git a/src/script/lua_api/l_nodemeta.cpp b/src/script/lua_api/l_nodemeta.cpp
@@ -89,7 +89,10 @@ int NodeMetaRef::l_get_inventory(lua_State *L)
 
 	NodeMetaRef *ref = checkobject(L, 1);
 	ref->getmeta(true);  // try to ensure the metadata exists
-	InvRef::createNodeMeta(L, ref->m_p);
+
+	InventoryLocation loc;
+	loc.setNodeMeta(ref->m_p);
+	InvRef::create(L, loc);
 	return 1;
 }
 

diff --git a/src/settings.cpp b/src/settings.cpp
@@ -104,8 +104,7 @@ Settings *Settings::createLayer(SettingsLayer sl, const std::string &end_tag)
 
 Settings *Settings::getLayer(SettingsLayer sl)
 {
-	sanity_check((int)sl >= 0 && sl < SL_TOTAL_COUNT);
-	return g_hierarchy.layers[(int)sl];
+	return g_hierarchy.getLayer(sl);
 }