diff --git a/code/game/objects/items/sharpener.dm b/code/game/objects/items/sharpener.dm
index b90a5b155a6..c221608024a 100644
--- a/code/game/objects/items/sharpener.dm
+++ b/code/game/objects/items/sharpener.dm
@@ -18,7 +18,7 @@
 	if(I.force >= max || I.throwforce >= max)//no esword sharpening
 		to_chat(user, "<span class='warning'>[I] is much too powerful to sharpen further!</span>")
 		return
-	if(requires_sharpness && !I.sharpness)
+	if(requires_sharpness && !I.is_sharp())
 		to_chat(user, "<span class='warning'>You can only sharpen items that are already sharp, such as knives!</span>")
 		return
 	if(istype(I, /obj/item/melee/transforming/energy))
diff --git a/code/game/objects/structures/flora.dm b/code/game/objects/structures/flora.dm
index f786ed3074a..d3bca881865 100644
--- a/code/game/objects/structures/flora.dm
+++ b/code/game/objects/structures/flora.dm
@@ -14,7 +14,7 @@
 
 /obj/structure/flora/tree/attackby(obj/item/W, mob/user, params)
 	if(log_amount && (!(flags_1 & NODECONSTRUCT_1)))
-		if(W.sharpness && W.force > 0)
+		if(W.is_sharp() && W.force > 0)
 			if(W.hitsound)
 				playsound(get_turf(src), W.hitsound, 100, 0, 0)
 			user.visible_message("<span class='notice'>[user] begins to cut down [src] with [W].</span>","<span class='notice'>You begin to cut down [src] with [W].</span>", "You hear the sound of sawing.")
diff --git a/code/game/turfs/simulated/wall/mineral_walls.dm b/code/game/turfs/simulated/wall/mineral_walls.dm
index 333146a5462..0d269bce75d 100644
--- a/code/game/turfs/simulated/wall/mineral_walls.dm
+++ b/code/game/turfs/simulated/wall/mineral_walls.dm
@@ -133,7 +133,7 @@
 	canSmoothWith = list(/turf/closed/wall/mineral/wood, /obj/structure/falsewall/wood, /turf/closed/wall/mineral/wood/nonmetal)
 
 /turf/closed/wall/mineral/wood/attackby(obj/item/W, mob/user)
-	if(W.sharpness && W.force)
+	if(W.is_sharp() && W.force)
 		var/duration = (48/W.force) * 2 //In seconds, for now.
 		if(istype(W, /obj/item/hatchet) || istype(W, /obj/item/twohanded/fireaxe))
 			duration /= 4 //Much better with hatchets and axes.
diff --git a/code/modules/hydroponics/grown/towercap.dm b/code/modules/hydroponics/grown/towercap.dm
index e5cba0e2087..570e11d2f79 100644
--- a/code/modules/hydroponics/grown/towercap.dm
+++ b/code/modules/hydroponics/grown/towercap.dm
@@ -50,7 +50,7 @@
 	/obj/item/reagent_containers/food/snacks/grown/wheat))
 
 /obj/item/grown/log/attackby(obj/item/W, mob/user, params)
-	if(W.sharpness)
+	if(W.is_sharp())
 		user.show_message("<span class='notice'>You make [plank_name] out of \the [src]!</span>", 1)
 		var/seed_modifier = 0
 		if(seed)
diff --git a/code/modules/mining/lavaland/ash_flora.dm b/code/modules/mining/lavaland/ash_flora.dm
index 260fe88a53d..2da3df26d7c 100644
--- a/code/modules/mining/lavaland/ash_flora.dm
+++ b/code/modules/mining/lavaland/ash_flora.dm
@@ -58,7 +58,7 @@
 	harvested = FALSE
 
 /obj/structure/flora/ash/attackby(obj/item/W, mob/user, params)
-	if(!harvested && needs_sharp_harvest && W.sharpness)
+	if(!harvested && needs_sharp_harvest && W.is_sharp())
 		user.visible_message("<span class='notice'>[user] starts to harvest from [src] with [W].</span>","<span class='notice'>You begin to harvest from [src] with [W].</span>")
 		if(do_after(user, harvest_time, target = src))
 			harvest(user)
diff --git a/code/modules/surgery/bodyparts/bodyparts.dm b/code/modules/surgery/bodyparts/bodyparts.dm
index 3e00349c829..1caaa1f0c2d 100644
--- a/code/modules/surgery/bodyparts/bodyparts.dm
+++ b/code/modules/surgery/bodyparts/bodyparts.dm
@@ -96,7 +96,7 @@
 	..()
 
 /obj/item/bodypart/attackby(obj/item/W, mob/user, params)
-	if(W.sharpness)
+	if(W.is_sharp())
 		add_fingerprint(user)
 		if(!contents.len)
 			to_chat(user, "<span class='warning'>There is nothing left inside [src]!</span>")