diff --git a/code/datums/traits/good.dm b/code/datums/traits/good.dm
index aacbbf3f812..36bb8d27e3b 100644
--- a/code/datums/traits/good.dm
+++ b/code/datums/traits/good.dm
@@ -59,7 +59,7 @@
 	lose_text = "<span class='danger'>You feel isolated from others.</span>"
 	medical_record_text = "Patient is highly perceptive of and sensitive to social cues, or may possibly have ESP. Further testing needed."
 
-datum/quirk/fan_clown
+/datum/quirk/fan_clown
 	name = "Clown Fan"
 	desc = "You enjoy clown antics and get a mood boost from wearing your clown pin."
 	value = 1
@@ -79,7 +79,7 @@ datum/quirk/fan_clown
 	var/datum/atom_hud/fan = GLOB.huds[DATA_HUD_FAN]
 	fan.add_hud_to(H)
 
-datum/quirk/fan_mime
+/datum/quirk/fan_mime
 	name = "Mime Fan"
 	desc = "You enjoy mime antics and get a mood boost from wearing your mime pin."
 	value = 1
diff --git a/code/game/objects/items/dice.dm b/code/game/objects/items/dice.dm
index 205caa3f600..4b599292f09 100644
--- a/code/game/objects/items/dice.dm
+++ b/code/game/objects/items/dice.dm
@@ -93,7 +93,7 @@
 /obj/item/dice/d6
 	name = "d6"
 
-obj/item/dice/d6/ebony
+/obj/item/dice/d6/ebony
 	name = "ebony die"
 	desc = "A die with six sides made of dense black wood. It feels cold and heavy in your hand."
 	icon_state = "de6"
diff --git a/code/modules/atmospherics/gasmixtures/reactions.dm b/code/modules/atmospherics/gasmixtures/reactions.dm
index e6774f35cfc..5fc436c7ca3 100644
--- a/code/modules/atmospherics/gasmixtures/reactions.dm
+++ b/code/modules/atmospherics/gasmixtures/reactions.dm
@@ -260,7 +260,7 @@ nobiliumsuppression = INFINITY
 	return cached_results["fire"] ? REACTING : NO_REACTION
 
 //freon reaction (is not a fire yet)
-datum/gas_reaction/freonfire
+/datum/gas_reaction/freonfire
 	priority = -4
 	name = "Freon combustion"
 	id = "freonfire"
diff --git a/code/modules/cargo/coupon.dm b/code/modules/cargo/coupon.dm
index 80df3684ef4..ac77a994a03 100644
--- a/code/modules/cargo/coupon.dm
+++ b/code/modules/cargo/coupon.dm
@@ -1,6 +1,6 @@
 #define COUPON_OMEN "omen"
 
-obj/item/coupon
+/obj/item/coupon
 	name = "coupon"
 	desc = "It doesn't matter if you didn't want it before, what matters now is that you've got a coupon for it!"
 	icon_state = "data_1"
diff --git a/code/modules/food_and_drinks/recipes/tablecraft/recipes_pastry.dm b/code/modules/food_and_drinks/recipes/tablecraft/recipes_pastry.dm
index 8dfcb5b9097..94419a58c28 100644
--- a/code/modules/food_and_drinks/recipes/tablecraft/recipes_pastry.dm
+++ b/code/modules/food_and_drinks/recipes/tablecraft/recipes_pastry.dm
@@ -23,7 +23,7 @@
 	)
 	result = /obj/item/reagent_containers/food/snacks/donut/chaos
 
-datum/crafting_recipe/food/donut/meat
+/datum/crafting_recipe/food/donut/meat
 	time = 15
 	name = "Meat donut"
 	reqs = list(
diff --git a/code/modules/mining/aux_base_camera.dm b/code/modules/mining/aux_base_camera.dm
index 21d45652a79..b013bc42e62 100644
--- a/code/modules/mining/aux_base_camera.dm
+++ b/code/modules/mining/aux_base_camera.dm
@@ -209,7 +209,7 @@
 	B.RCD.change_airlock_setting()
 
 
-datum/action/innate/aux_base/window_type
+/datum/action/innate/aux_base/window_type
 	name = "Select Window Type"
 	button_icon_state = "window_select"
 
@@ -218,7 +218,7 @@ datum/action/innate/aux_base/window_type
 		return
 	B.RCD.toggle_window_type()
 
-datum/action/innate/aux_base/place_fan
+/datum/action/innate/aux_base/place_fan
 	name = "Place Tiny Fan"
 	button_icon_state = "build_fan"
 
diff --git a/code/modules/mob/living/simple_animal/hostile/bear.dm b/code/modules/mob/living/simple_animal/hostile/bear.dm
index 7260db5b885..a126e93d013 100644
--- a/code/modules/mob/living/simple_animal/hostile/bear.dm
+++ b/code/modules/mob/living/simple_animal/hostile/bear.dm
@@ -128,7 +128,7 @@
 		to_chat(user, "<span class='info'>You strap the armor plating to [A] and sharpen [A.p_their()] claws with the nail filer. This was a great idea.</span>")
 		qdel(src)
 
-mob/living/simple_animal/hostile/bear/butter //The mighty companion to Cak. Several functions used from it.
+/mob/living/simple_animal/hostile/bear/butter //The mighty companion to Cak. Several functions used from it.
 	name = "Terrygold"
 	icon_state = "butterbear"
 	icon_living = "butterbear"
diff --git a/code/modules/mob/living/simple_animal/hostile/megafauna/drake.dm b/code/modules/mob/living/simple_animal/hostile/megafauna/drake.dm
index 761578c030a..d9f3340e3f6 100644
--- a/code/modules/mob/living/simple_animal/hostile/megafauna/drake.dm
+++ b/code/modules/mob/living/simple_animal/hostile/megafauna/drake.dm
@@ -520,7 +520,7 @@ Difficulty: Medium
 	else
 		animate(src, pixel_x = -16, pixel_z = 0, time = 5)
 
-obj/effect/temp_visual/fireball
+/obj/effect/temp_visual/fireball
 	icon = 'icons/obj/wizard.dmi'
 	icon_state = "fireball"
 	name = "fireball"
diff --git a/code/modules/photography/photos/album.dm b/code/modules/photography/photos/album.dm
index 4d12d0c8565..b09805c3cb6 100644
--- a/code/modules/photography/photos/album.dm
+++ b/code/modules/photography/photos/album.dm
@@ -96,10 +96,10 @@
 	name = "photo album (Library)"
 	persistence_id = "library"
 
-obj/item/storage/photo_album/chapel
+/obj/item/storage/photo_album/chapel
 	name = "photo album (Chapel)"
 	persistence_id = "chapel"
 
-obj/item/storage/photo_album/prison
+/obj/item/storage/photo_album/prison
 	name = "photo album (Prison)"
 	persistence_id = "prison"