diff --git a/code/modules/lighting/lighting_atom.dm b/code/modules/lighting/lighting_atom.dm
index 6229fa5b044..679f6fb86ef 100644
--- a/code/modules/lighting/lighting_atom.dm
+++ b/code/modules/lighting/lighting_atom.dm
@@ -20,11 +20,6 @@
 
 	update_light()
 
-/atom/proc/flash_light(l_range, l_power, l_color = NONSENSICAL_VALUE, time = 2)
-	set_light(l_range, l_power, l_color)
-	spawn(time)
-		set_light(0)
-
 #undef NONSENSICAL_VALUE
 
 /atom/proc/update_light()