diff --git a/src/script/cpp_api/s_server.cpp b/src/script/cpp_api/s_server.cpp
@@ -33,7 +33,7 @@ bool ScriptApiServer::getAuth(const std::string &playername,
 	getAuthHandler();
 	lua_getfield(L, -1, "get_auth");
 	if(lua_type(L, -1) != LUA_TFUNCTION)
-		throw LuaError(L, "Authentication handler missing get_auth");
+		throw LuaError(NULL, "Authentication handler missing get_auth");
 	lua_pushstring(L, playername.c_str());
 	if(lua_pcall(L, 1, 1, errorhandler))
 		scriptError();
@@ -48,13 +48,13 @@ bool ScriptApiServer::getAuth(const std::string &playername,
 	std::string password;
 	bool found = getstringfield(L, -1, "password", password);
 	if(!found)
-		throw LuaError(L, "Authentication handler didn't return password");
+		throw LuaError(NULL, "Authentication handler didn't return password");
 	if(dst_password)
 		*dst_password = password;
 
 	lua_getfield(L, -1, "privileges");
 	if(!lua_istable(L, -1))
-		throw LuaError(L, "Authentication handler didn't return privilege table");
+		throw LuaError(NULL, "Authentication handler didn't return privilege table");
 	if(dst_privs)
 		readPrivileges(-1, *dst_privs);
 	lua_pop(L, 1);
@@ -74,7 +74,7 @@ void ScriptApiServer::getAuthHandler()
 	}
 	lua_remove(L, -2); // Remove minetest
 	if(lua_type(L, -1) != LUA_TTABLE)
-		throw LuaError(L, "Authentication handler table not valid");
+		throw LuaError(NULL, "Authentication handler table not valid");
 }
 
 void ScriptApiServer::readPrivileges(int index, std::set<std::string> &result)
@@ -108,7 +108,7 @@ void ScriptApiServer::createAuth(const std::string &playername,
 	lua_getfield(L, -1, "create_auth");
 	lua_remove(L, -2); // Remove auth handler
 	if(lua_type(L, -1) != LUA_TFUNCTION)
-		throw LuaError(L, "Authentication handler missing create_auth");
+		throw LuaError(NULL, "Authentication handler missing create_auth");
 	lua_pushstring(L, playername.c_str());
 	lua_pushstring(L, password.c_str());
 	if(lua_pcall(L, 2, 0, errorhandler))
@@ -128,7 +128,7 @@ bool ScriptApiServer::setPassword(const std::string &playername,
 	lua_getfield(L, -1, "set_password");
 	lua_remove(L, -2); // Remove auth handler
 	if(lua_type(L, -1) != LUA_TFUNCTION)
-		throw LuaError(L, "Authentication handler missing set_password");
+		throw LuaError(NULL, "Authentication handler missing set_password");
 	lua_pushstring(L, playername.c_str());
 	lua_pushstring(L, password.c_str());
 	if(lua_pcall(L, 2, 1, errorhandler))

diff --git a/src/script/lua_api/l_base.h b/src/script/lua_api/l_base.h
@@ -48,7 +48,7 @@ class ModApiBase {
 		ScriptApiBase *scriptIface = getScriptApiBase(L);
 		T *scriptIfaceDowncast = dynamic_cast<T*>(scriptIface);
 		if (!scriptIfaceDowncast) {
-			throw LuaError(L, "Requested unavailable ScriptApi - core engine bug!");
+			throw LuaError(NULL, "Requested unavailable ScriptApi - core engine bug!");
 		}
 		return scriptIfaceDowncast;
 	}

diff --git a/src/script/lua_api/l_craft.cpp b/src/script/lua_api/l_craft.cpp
@@ -150,24 +150,24 @@ int ModApiCraft::l_register_craft(lua_State *L)
 	if(type == "shaped"){
 		std::string output = getstringfield_default(L, table, "output", "");
 		if(output == "")
-			throw LuaError(L, "Crafting definition is missing an output");
+			throw LuaError(NULL, "Crafting definition is missing an output");
 
 		int width = 0;
 		std::vector<std::string> recipe;
 		lua_getfield(L, table, "recipe");
 		if(lua_isnil(L, -1))
-			throw LuaError(L, "Crafting definition is missing a recipe"
+			throw LuaError(NULL, "Crafting definition is missing a recipe"
 					" (output=\"" + output + "\")");
 		if(!readCraftRecipeShaped(L, -1, width, recipe))
-			throw LuaError(L, "Invalid crafting recipe"
+			throw LuaError(NULL, "Invalid crafting recipe"
 					" (output=\"" + output + "\")");
 
 		CraftReplacements replacements;
 		lua_getfield(L, table, "replacements");
 		if(!lua_isnil(L, -1))
 		{
 			if(!readCraftReplacements(L, -1, replacements))
-				throw LuaError(L, "Invalid replacements"
+				throw LuaError(NULL, "Invalid replacements"
 						" (output=\"" + output + "\")");
 		}
 
@@ -181,25 +181,25 @@ int ModApiCraft::l_register_craft(lua_State *L)
 	else if(type == "shapeless"){
 		std::string output = getstringfield_default(L, table, "output", "");
 		if(output == "")
-			throw LuaError(L, "Crafting definition (shapeless)"
+			throw LuaError(NULL, "Crafting definition (shapeless)"
 					" is missing an output");
 
 		std::vector<std::string> recipe;
 		lua_getfield(L, table, "recipe");
 		if(lua_isnil(L, -1))
-			throw LuaError(L, "Crafting definition (shapeless)"
+			throw LuaError(NULL, "Crafting definition (shapeless)"
 					" is missing a recipe"
 					" (output=\"" + output + "\")");
 		if(!readCraftRecipeShapeless(L, -1, recipe))
-			throw LuaError(L, "Invalid crafting recipe"
+			throw LuaError(NULL, "Invalid crafting recipe"
 					" (output=\"" + output + "\")");
 
 		CraftReplacements replacements;
 		lua_getfield(L, table, "replacements");
 		if(!lua_isnil(L, -1))
 		{
 			if(!readCraftReplacements(L, -1, replacements))
-				throw LuaError(L, "Invalid replacements"
+				throw LuaError(NULL, "Invalid replacements"
 						" (output=\"" + output + "\")");
 		}
 
@@ -224,12 +224,12 @@ int ModApiCraft::l_register_craft(lua_State *L)
 	else if(type == "cooking"){
 		std::string output = getstringfield_default(L, table, "output", "");
 		if(output == "")
-			throw LuaError(L, "Crafting definition (cooking)"
+			throw LuaError(NULL, "Crafting definition (cooking)"
 					" is missing an output");
 
 		std::string recipe = getstringfield_default(L, table, "recipe", "");
 		if(recipe == "")
-			throw LuaError(L, "Crafting definition (cooking)"
+			throw LuaError(NULL, "Crafting definition (cooking)"
 					" is missing a recipe"
 					" (output=\"" + output + "\")");
 
@@ -240,7 +240,7 @@ int ModApiCraft::l_register_craft(lua_State *L)
 		if(!lua_isnil(L, -1))
 		{
 			if(!readCraftReplacements(L, -1, replacements))
-				throw LuaError(L, "Invalid replacements"
+				throw LuaError(NULL, "Invalid replacements"
 						" (cooking output=\"" + output + "\")");
 		}
 
@@ -254,7 +254,7 @@ int ModApiCraft::l_register_craft(lua_State *L)
 	else if(type == "fuel"){
 		std::string recipe = getstringfield_default(L, table, "recipe", "");
 		if(recipe == "")
-			throw LuaError(L, "Crafting definition (fuel)"
+			throw LuaError(NULL, "Crafting definition (fuel)"
 					" is missing a recipe");
 
 		float burntime = getfloatfield_default(L, table, "burntime", 1.0);
@@ -264,7 +264,7 @@ int ModApiCraft::l_register_craft(lua_State *L)
 		if(!lua_isnil(L, -1))
 		{
 			if(!readCraftReplacements(L, -1, replacements))
-				throw LuaError(L, "Invalid replacements"
+				throw LuaError(NULL, "Invalid replacements"
 						" (fuel recipe=\"" + recipe + "\")");
 		}
 
@@ -274,7 +274,7 @@ int ModApiCraft::l_register_craft(lua_State *L)
 	}
 	else
 	{
-		throw LuaError(L, "Unknown crafting definition type: \"" + type + "\"");
+		throw LuaError(NULL, "Unknown crafting definition type: \"" + type + "\"");
 	}
 
 	lua_pop(L, 1);

diff --git a/src/script/lua_api/l_item.cpp b/src/script/lua_api/l_item.cpp
@@ -470,7 +470,7 @@ int ModApiItemMod::l_register_item_raw(lua_State *L)
 		name = lua_tostring(L, -1);
 		verbosestream<<"register_item_raw: "<<name<<std::endl;
 	} else {
-		throw LuaError(L, "register_item_raw: name is not defined or not a string");
+		throw LuaError(NULL, "register_item_raw: name is not defined or not a string");
 	}
 
 	// Check if on_use is defined
@@ -500,7 +500,7 @@ int ModApiItemMod::l_register_item_raw(lua_State *L)
 		content_t id = ndef->set(f.name, f);
 
 		if(id > MAX_REGISTERED_CONTENT){
-			throw LuaError(L, "Number of registerable nodes ("
+			throw LuaError(NULL, "Number of registerable nodes ("
 					+ itos(MAX_REGISTERED_CONTENT+1)
 					+ ") exceeded (" + name + ")");
 		}

diff --git a/src/script/lua_api/l_noise.cpp b/src/script/lua_api/l_noise.cpp
@@ -330,10 +330,10 @@ int LuaPseudoRandom::l_next(lua_State *L)
 		max = luaL_checkinteger(L, 3);
 	if(max < min){
 		errorstream<<"PseudoRandom.next(): max="<<max<<" min="<<min<<std::endl;
-		throw LuaError(L, "PseudoRandom.next(): max < min");
+		throw LuaError(NULL, "PseudoRandom.next(): max < min");
 	}
 	if(max - min != 32767 && max - min > 32767/5)
-		throw LuaError(L, "PseudoRandom.next() max-min is not 32767"
+		throw LuaError(NULL, "PseudoRandom.next() max-min is not 32767"
 				" and is > 32768/5. This is disallowed due to"
 				" the bad random distribution the"
 				" implementation would otherwise make.");

diff --git a/src/server.h b/src/server.h
@@ -55,23 +55,6 @@ class ServerEnvironment;
 struct SimpleSoundSpec;
 
 
-class ServerError : public std::exception
-{
-public:
-	ServerError(const std::string &s)
-	{
-		m_s = "ServerError: ";
-		m_s += s;
-	}
-	virtual ~ServerError() throw()
-	{}
-	virtual const char * what() const throw()
-	{
-		return m_s.c_str();
-	}
-	std::string m_s;
-};
-
 /*
 	Some random functions
 */