diff --git a/src/client/clientlauncher.cpp b/src/client/clientlauncher.cpp
index ddfb4fea6..eb4362348 100644
--- a/src/client/clientlauncher.cpp
+++ b/src/client/clientlauncher.cpp
@@ -108,13 +108,6 @@ bool ClientLauncher::run(GameStartData &start_data, const Settings &cmd_args)
 		return false;
 	}
 
-	// Speed tests (done after irrlicht is loaded to get timer)
-	if (cmd_args.getFlag("speedtests")) {
-		dstream << "Running speed tests" << std::endl;
-		speed_tests();
-		return true;
-	}
-
 	if (m_rendering_engine->get_video_driver() == NULL) {
 		errorstream << "Could not initialize video driver." << std::endl;
 		return false;
@@ -394,7 +387,7 @@ bool ClientLauncher::launch_game(std::string &error_message,
 	if (cmd_args.exists("password-file")) {
 		std::ifstream passfile(cmd_args.get("password-file"));
 		if (passfile.good()) {
-			getline(passfile, start_data.password);
+			std::getline(passfile, start_data.password);
 		} else {
 			error_message = gettext("Provided password file "
 					"failed to open: ")
@@ -451,8 +444,6 @@ bool ClientLauncher::launch_game(std::string &error_message,
 
 		int world_index = menudata.selected_world;
 		if (world_index >= 0 && world_index < (int)worldspecs.size()) {
-			g_settings->set("selected_world_path",
-					worldspecs[world_index].path);
 			start_data.world_spec = worldspecs[world_index];
 		}
 
@@ -524,15 +515,7 @@ bool ClientLauncher::launch_game(std::string &error_message,
 			return false;
 		}
 
-		if (porting::signal_handler_killstatus())
-			return true;
-
-		if (!start_data.game_spec.isValid()) {
-			error_message = gettext("Invalid gamespec.");
-			error_message += " (world.gameid=" + worldspec.gameid + ")";
-			errorstream << error_message << std::endl;
-			return false;
-		}
+		return true;
 	}
 
 	start_data.world_path = start_data.world_spec.path;
@@ -580,104 +563,3 @@ void ClientLauncher::main_menu(MainMenuData *menudata)
 	if (!g_settings_path.empty())
 		g_settings->updateConfigFile(g_settings_path.c_str());
 }
-
-void ClientLauncher::speed_tests()
-{
-	// volatile to avoid some potential compiler optimisations
-	volatile static s16 temp16;
-	volatile static f32 tempf;
-	// Silence compiler warning
-	(void)temp16;
-	static v3f tempv3f1;
-	static v3f tempv3f2;
-	static std::string tempstring;
-	static std::string tempstring2;
-
-	tempv3f1 = v3f();
-	tempv3f2 = v3f();
-	tempstring.clear();
-	tempstring2.clear();
-
-	{
-		infostream << "The following test should take around 20ms." << std::endl;
-		TimeTaker timer("Testing std::string speed");
-		const u32 jj = 10000;
-		for (u32 j = 0; j < jj; j++) {
-			tempstring.clear();
-			tempstring2.clear();
-			const u32 ii = 10;
-			for (u32 i = 0; i < ii; i++) {
-				tempstring2 += "asd";
-			}
-			for (u32 i = 0; i < ii+1; i++) {
-				tempstring += "asd";
-				if (tempstring == tempstring2)
-					break;
-			}
-		}
-	}
-
-	infostream << "All of the following tests should take around 100ms each."
-	           << std::endl;
-
-	{
-		TimeTaker timer("Testing floating-point conversion speed");
-		tempf = 0.001;
-		for (u32 i = 0; i < 4000000; i++) {
-			temp16 += tempf;
-			tempf += 0.001;
-		}
-	}
-
-	{
-		TimeTaker timer("Testing floating-point vector speed");
-
-		tempv3f1 = v3f(1, 2, 3);
-		tempv3f2 = v3f(4, 5, 6);
-		for (u32 i = 0; i < 10000000; i++) {
-			tempf += tempv3f1.dotProduct(tempv3f2);
-			tempv3f2 += v3f(7, 8, 9);
-		}
-	}
-
-	{
-		TimeTaker timer("Testing std::map speed");
-
-		std::map<v2s16, f32> map1;
-		tempf = -324;
-		const s16 ii = 300;
-		for (s16 y = 0; y < ii; y++) {
-			for (s16 x = 0; x < ii; x++) {
-				map1[v2s16(x, y)] =  tempf;
-				tempf += 1;
-			}
-		}
-		for (s16 y = ii - 1; y >= 0; y--) {
-			for (s16 x = 0; x < ii; x++) {
-				tempf = map1[v2s16(x, y)];
-			}
-		}
-	}
-
-	{
-		infostream << "Around 5000/ms should do well here." << std::endl;
-		TimeTaker timer("Testing mutex speed");
-
-		std::mutex m;
-		u32 n = 0;
-		u32 i = 0;
-		do {
-			n += 10000;
-			for (; i < n; i++) {
-				m.lock();
-				m.unlock();
-			}
-		}
-		// Do at least 10ms
-		while(timer.getTimerTime() < 10);
-
-		u32 dtime = timer.stop();
-		u32 per_ms = n / dtime;
-		infostream << "Done. " << dtime << "ms, " << per_ms << "/ms" << std::endl;
-	}
-}
diff --git a/src/client/clientlauncher.h b/src/client/clientlauncher.h
index d1fd9a258..395f83b9d 100644
--- a/src/client/clientlauncher.h
+++ b/src/client/clientlauncher.h
@@ -44,8 +44,6 @@ private:
 
 	void main_menu(MainMenuData *menudata);
 
-	void speed_tests();
-
 	bool skip_main_menu = false;
 	bool random_input = false;
 	RenderingEngine *m_rendering_engine = nullptr;
diff --git a/src/main.cpp b/src/main.cpp
index 6580613ba..d5d7269f1 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -379,8 +379,6 @@ static void set_allowed_options(OptionList *allowed_options)
 	allowed_options->insert(std::make_pair("recompress", ValueSpec(VALUETYPE_FLAG,
 			_("Recompress the blocks of the given map database."))));
 #ifndef SERVER
-	allowed_options->insert(std::make_pair("speedtests", ValueSpec(VALUETYPE_FLAG,
-			_("Run speed tests"))));
 	allowed_options->insert(std::make_pair("address", ValueSpec(VALUETYPE_STRING,
 			_("Address to connect to. ('' = local game)"))));
 	allowed_options->insert(std::make_pair("random-input", ValueSpec(VALUETYPE_FLAG,