diff --git a/code/modules/surgery/tools.dm b/code/modules/surgery/tools.dm
index 596d2392f5e..5cf68c14938 100644
--- a/code/modules/surgery/tools.dm
+++ b/code/modules/surgery/tools.dm
@@ -6,7 +6,7 @@
 	inhand_icon_state = "retractor"
 	lefthand_file = 'icons/mob/inhands/equipment/medical_lefthand.dmi'
 	righthand_file = 'icons/mob/inhands/equipment/medical_righthand.dmi'
-	custom_materials = list(/datum/material/iron = 6000, /datum/material/glass = 3000, /datum/material/silver = 3000)
+	custom_materials = list(/datum/material/iron = 6000, /datum/material/glass = 3000)
 	flags_1 = CONDUCT_1
 	item_flags = SURGICAL_TOOL
 	w_class = WEIGHT_CLASS_TINY
@@ -26,7 +26,7 @@
 	inhand_icon_state = "hemostat"
 	lefthand_file = 'icons/mob/inhands/equipment/medical_lefthand.dmi'
 	righthand_file = 'icons/mob/inhands/equipment/medical_righthand.dmi'
-	custom_materials = list(/datum/material/iron = 5000, /datum/material/glass = 2500, /datum/material/silver = 2500)
+	custom_materials = list(/datum/material/iron = 5000, /datum/material/glass = 2500)
 	flags_1 = CONDUCT_1
 	item_flags = SURGICAL_TOOL
 	w_class = WEIGHT_CLASS_TINY
@@ -48,7 +48,7 @@
 	inhand_icon_state = "cautery"
 	lefthand_file = 'icons/mob/inhands/equipment/medical_lefthand.dmi'
 	righthand_file = 'icons/mob/inhands/equipment/medical_righthand.dmi'
-	custom_materials = list(/datum/material/iron = 2500, /datum/material/glass = 750, /datum/material/silver = 1250)
+	custom_materials = list(/datum/material/iron = 2500, /datum/material/glass = 750)
 	flags_1 = CONDUCT_1
 	item_flags = SURGICAL_TOOL
 	w_class = WEIGHT_CLASS_TINY
@@ -116,7 +116,7 @@
 	lefthand_file = 'icons/mob/inhands/equipment/medical_lefthand.dmi'
 	righthand_file = 'icons/mob/inhands/equipment/medical_righthand.dmi'
 	hitsound = 'sound/weapons/circsawhit.ogg'
-	custom_materials = list(/datum/material/iron = 10000, /datum/material/glass = 6000, /datum/material/silver = 5000)
+	custom_materials = list(/datum/material/iron = 10000, /datum/material/glass = 6000)
 	flags_1 = CONDUCT_1
 	item_flags = SURGICAL_TOOL
 	force = 15
@@ -164,7 +164,7 @@
 	throwforce = 5
 	throw_speed = 3
 	throw_range = 5
-	custom_materials = list(/datum/material/iron = 4000, /datum/material/glass = 1000, /datum/material/silver = 2000)
+	custom_materials = list(/datum/material/iron = 4000, /datum/material/glass = 1000)
 	attack_verb_continuous = list("attacks", "slashes", "stabs", "slices", "tears", "lacerates", "rips", "dices", "cuts")
 	attack_verb_simple = list("attack", "slash", "stab", "slice", "tear", "lacerate", "rip", "dice", "cut")
 	hitsound = 'sound/weapons/bladeslice.ogg'
@@ -209,7 +209,7 @@
 	throwforce = 9
 	throw_speed = 2
 	throw_range = 5
-	custom_materials = list(/datum/material/iron = 10000, /datum/material/glass = 6000, /datum/material/silver = 5000)
+	custom_materials = list(/datum/material/iron = 10000, /datum/material/glass = 6000)
 	attack_verb_continuous = list("attacks", "slashes", "saws", "cuts")
 	attack_verb_simple = list("attack", "slash", "saw", "cut")
 	sharpness = SHARP_EDGED