diff --git a/code/modules/mob/living/simple_animal/hostile/terror_spiders/black.dm b/code/modules/mob/living/simple_animal/hostile/terror_spiders/black.dm
index 5b6d89f9a25..68d25a29492 100644
--- a/code/modules/mob/living/simple_animal/hostile/terror_spiders/black.dm
+++ b/code/modules/mob/living/simple_animal/hostile/terror_spiders/black.dm
@@ -6,7 +6,6 @@
 // -------------: AI: attacks to inject its venom, then retreats. Will inject its enemies multiple times then hang back to ensure they die.
 // -------------: SPECIAL: venom that does more damage the more of it is in you
 // -------------: TO FIGHT IT: if bitten once, retreat, get charcoal/etc treatment, and come back with a gun.
-// -------------: CONCEPT: http://tvtropes.org/pmwiki/pmwiki.php/Main/GradualGrinder
 // -------------: SPRITES FROM: FoS, http://nanotrasen.se/phpBB3/memberlist.php?mode=viewprofile&u=386
 
 /mob/living/simple_animal/hostile/poison/terror_spider/black
diff --git a/code/modules/mob/living/simple_animal/hostile/terror_spiders/prince.dm b/code/modules/mob/living/simple_animal/hostile/terror_spiders/prince.dm
index 531fad1f330..669449a6ae3 100644
--- a/code/modules/mob/living/simple_animal/hostile/terror_spiders/prince.dm
+++ b/code/modules/mob/living/simple_animal/hostile/terror_spiders/prince.dm
@@ -6,8 +6,6 @@
 // -------------: AI: no special ai
 // -------------: SPECIAL: massive health
 // -------------: TO FIGHT IT: a squad of at least 4 people with laser rifles.
-// -------------: CONCEPT: http://tvtropes.org/pmwiki/pmwiki.php/Main/LightningBruiser
-// -------------: CONCEPT: http://tvtropes.org/pmwiki/pmwiki.php/Main/WakeupCallBoss
 // -------------: SPRITES FROM: Travelling Merchant, http://nanotrasen.se/phpBB3/memberlist.php?mode=viewprofile&u=2766
 
 /mob/living/simple_animal/hostile/poison/terror_spider/prince
diff --git a/code/modules/mob/living/simple_animal/hostile/terror_spiders/red.dm b/code/modules/mob/living/simple_animal/hostile/terror_spiders/red.dm
index 0ac164c2e56..33480f9509c 100644
--- a/code/modules/mob/living/simple_animal/hostile/terror_spiders/red.dm
+++ b/code/modules/mob/living/simple_animal/hostile/terror_spiders/red.dm
@@ -7,7 +7,6 @@
 // -------------: AI: uses very powerful fangs to wreck people in melee
 // -------------: SPECIAL: the more you hurt it, the harder it bites you
 // -------------: TO FIGHT IT: shoot it from range. Kite it.
-// -------------: CONCEPT: http://tvtropes.org/pmwiki/pmwiki.php/Main/MightyGlacier
 // -------------: SPRITES FROM: FoS, http://nanotrasen.se/phpBB3/memberlist.php?mode=viewprofile&u=386
 
 /mob/living/simple_animal/hostile/poison/terror_spider/red