diff --git a/code/__DEFINES/maths.dm b/code/__DEFINES/maths.dm
index 5adb1a5f6ec..f5b44b0f00f 100644
--- a/code/__DEFINES/maths.dm
+++ b/code/__DEFINES/maths.dm
@@ -16,7 +16,6 @@
 
 #define NUM_E 2.71828183
 
-#define SQRT_2 1.414214 //CLOSE ENOUGH!
 
 #define PI 3.1416
 #define INFINITY 1e31 //closer then enough
diff --git a/code/modules/mob/mob_movement.dm b/code/modules/mob/mob_movement.dm
index a07a241db13..ff0705fd867 100644
--- a/code/modules/mob/mob_movement.dm
+++ b/code/modules/mob/mob_movement.dm
@@ -125,7 +125,7 @@
 
 	//We are now going to move
 	var/add_delay = mob.cached_multiplicative_slowdown
-	var/new_glide_size = DELAY_TO_GLIDE_SIZE(add_delay * ( (NSCOMPONENT(direct) && EWCOMPONENT(direct)) ? SQRT_2 : 1 ) )
+	var/new_glide_size = DELAY_TO_GLIDE_SIZE(add_delay * ( (NSCOMPONENT(direct) && EWCOMPONENT(direct)) ? sqrt(2) : 1 ) )
 	mob.set_glide_size(new_glide_size) // set it now in case of pulled objects
 	//If the move was recent, count using old_move_delay
 	//We want fractional behavior and all
@@ -143,7 +143,7 @@
 	. = ..()
 
 	if((direct & (direct - 1)) && mob.loc == new_loc) //moved diagonally successfully
-		add_delay *= SQRT_2
+		add_delay *= sqrt(2)
 
 	var/after_glide = 0
 	if(visual_delay)
diff --git a/code/modules/mod/mod_ai.dm b/code/modules/mod/mod_ai.dm
index c0f2aabc683..2312f048740 100644
--- a/code/modules/mod/mod_ai.dm
+++ b/code/modules/mod/mod_ai.dm
@@ -77,7 +77,7 @@
 /obj/item/mod/control/relaymove(mob/user, direction)
 	if((!active && wearer) || get_charge() < CHARGE_PER_STEP  || user != ai || !COOLDOWN_FINISHED(src, cooldown_mod_move) || (wearer?.pulledby?.grab_state > GRAB_PASSIVE))
 		return FALSE
-	var/timemodifier = MOVE_DELAY * (ISDIAGONALDIR(direction) ? SQRT_2 : 1) * (wearer ? WEARER_DELAY : LONE_DELAY)
+	var/timemodifier = MOVE_DELAY * (ISDIAGONALDIR(direction) ? sqrt(2) : 1) * (wearer ? WEARER_DELAY : LONE_DELAY)
 	if(wearer && !wearer.Process_Spacemove(direction))
 		return FALSE
 	else if(!wearer && (!has_gravity() || !isturf(loc)))
diff --git a/modular_skyrat/modules/modsuit_pai/code/mod_pai.dm b/modular_skyrat/modules/modsuit_pai/code/mod_pai.dm
index 0f61322b3bd..0732d1dd459 100644
--- a/modular_skyrat/modules/modsuit_pai/code/mod_pai.dm
+++ b/modular_skyrat/modules/modsuit_pai/code/mod_pai.dm
@@ -91,7 +91,7 @@
 		return FALSE
 	if(wearer && (wearer.pulledby?.grab_state || wearer.incapacitated() || wearer.stat))
 		return FALSE
-	var/timemodifier = MOVE_DELAY * (ISDIAGONALDIR(direction) ? SQRT_2 : 1) * (wearer ? WEARER_DELAY : LONE_DELAY)
+	var/timemodifier = MOVE_DELAY * (ISDIAGONALDIR(direction) ? sqrt(2) : 1) * (wearer ? WEARER_DELAY : LONE_DELAY)
 	COOLDOWN_START(src, cooldown_mod_move, movedelay * timemodifier + slowdown)
 	playsound(src, 'sound/mecha/mechmove01.ogg', 25, TRUE)
 	core.subtract_charge(CELL_PER_STEP)