diff --git a/code/modules/mob/living/simple_animal/hostile/mining_mobs/brimdemon.dm b/code/modules/mob/living/simple_animal/hostile/mining_mobs/brimdemon.dm
index f1cd6903d58..96a071e89ea 100644
--- a/code/modules/mob/living/simple_animal/hostile/mining_mobs/brimdemon.dm
+++ b/code/modules/mob/living/simple_animal/hostile/mining_mobs/brimdemon.dm
@@ -44,6 +44,10 @@
 	/// A list of all the beam parts.
 	var/list/beamparts = list()
 
+/mob/living/simple_animal/hostile/asteroid/brimdemon/Destroy()
+	QDEL_LIST(beamparts)
+	return ..()
+
 /mob/living/simple_animal/hostile/asteroid/brimdemon/Login()
 	ranged = TRUE
 	return ..()
diff --git a/html/changelogs/AutoChangeLog-pr-12673.yml b/html/changelogs/AutoChangeLog-pr-12673.yml
new file mode 100644
index 00000000000..65fc2b9d21b
--- /dev/null
+++ b/html/changelogs/AutoChangeLog-pr-12673.yml
@@ -0,0 +1,4 @@
+author: "SkyratBot"
+delete-after: True
+changes: 
+  - bugfix: "Fixes brimdemon lasers never disappearing if the demon was deleted while firing."