diff --git a/code/__DEFINES/dcs/signals.dm b/code/__DEFINES/dcs/signals.dm
index 2662caa63a..65194b26f8 100644
--- a/code/__DEFINES/dcs/signals.dm
+++ b/code/__DEFINES/dcs/signals.dm
@@ -49,30 +49,6 @@
 
 //////////////////////////////////////////////////////////////////
 
-// /Subystem signals
-
-///From base of datum/controller/subsystem/Initialize: (start_timeofday)
-#define COMSIG_SUBSYSTEM_POST_INITIALIZE "subsystem_post_initialize"
-
-///Called when the ticker enters the pre-game phase
-#define COMSIG_TICKER_ENTER_PREGAME "comsig_ticker_enter_pregame"
-
-///Called when the ticker sets up the game for start
-#define COMSIG_TICKER_ENTER_SETTING_UP "comsig_ticker_enter_setting_up"
-
-///Called when the ticker fails to set up the game for start
-#define COMSIG_TICKER_ERROR_SETTING_UP "comsig_ticker_error_setting_up"
-
-/// Called when the round has started, but before GAME_STATE_PLAYING
-#define COMSIG_TICKER_ROUND_STARTING "comsig_ticker_round_starting"
-
-// Point of interest signals
-/// Sent from base of /datum/controller/subsystem/points_of_interest/proc/on_poi_element_added : (atom/new_poi)
-#define COMSIG_ADDED_POINT_OF_INTEREST "added_point_of_interest"
-/// Sent from base of /datum/controller/subsystem/points_of_interest/proc/on_poi_element_removed : (atom/old_poi)
-#define COMSIG_REMOVED_POINT_OF_INTEREST "removed_point_of_interest"
-
-
 // /datum signals
 /// when a component is added to a datum: (/datum/component)
 #define COMSIG_COMPONENT_ADDED "component_added"