diff --git a/code/_onclick/hud/screen/screen_intent.dm b/code/_onclick/hud/screen/screen_intent.dm
index f3fba3b8563f..3c99a3d77487 100644
--- a/code/_onclick/hud/screen/screen_intent.dm
+++ b/code/_onclick/hud/screen/screen_intent.dm
@@ -70,7 +70,7 @@
 	requires_ui_style    = FALSE
 	apply_screen_overlay = FALSE
 	var/intent_width     = 16
-	var/intent_height    = 16
+	var/intent_height    = 16 // currently unused
 	var/list/intent_selectors
 
 /obj/screen/intent/Initialize(mapload, mob/_owner, decl/ui_style/ui_style, ui_color, ui_alpha, ui_cat)
diff --git a/code/modules/backgrounds/citizenship/_citizenship.dm b/code/modules/backgrounds/citizenship/_citizenship.dm
index e16cc9455ac7..e2fc47164f9b 100644
--- a/code/modules/backgrounds/citizenship/_citizenship.dm
+++ b/code/modules/backgrounds/citizenship/_citizenship.dm
@@ -1,7 +1,7 @@
 /decl/background_detail/citizenship
 	abstract_type = /decl/background_detail/citizenship
 	category = /decl/background_category/citizenship
-	var/ruling_body = "Other Faction"
+	var/ruling_body = "Other Faction" // currently unused? todo: display this or remove it? nothing seems to actually set it...
 	var/capital
 	var/size_heading = "Systems"
 	var/size_value
diff --git a/code/modules/maps/template_types/random_exoplanet/planetoid_data.dm b/code/modules/maps/template_types/random_exoplanet/planetoid_data.dm
index 95df86b82f93..06bc29a8462c 100644
--- a/code/modules/maps/template_types/random_exoplanet/planetoid_data.dm
+++ b/code/modules/maps/template_types/random_exoplanet/planetoid_data.dm
@@ -17,7 +17,7 @@
 	///Preferred height for all the planet z-levels. Null means it's up to each z-levels. Not reliable for telling the height of the levels under this planet.
 	var/height
 	///Preferred amount of vertically connected z-levels for this planets. Null means it's up to each z-levels.
-	var/tallness = 1
+	var/tallness = 1 // unused, seems to be made redundant by /datum/map_template/planetoid/tallness
 	///Topmost level data datum id of the root z stack (ID only, because this datum has an uncontrolled lifetime, and we don't want dangling refs)
 	var/topmost_level_id
 	///Level data id for the level that's considered to be the planet's surface. In other words, the topmost firm ground level of the root z stack.
diff --git a/code/modules/projectiles/projectile.dm b/code/modules/projectiles/projectile.dm
index d36ec1783cc9..48adb41fa7ce 100644
--- a/code/modules/projectiles/projectile.dm
+++ b/code/modules/projectiles/projectile.dm
@@ -78,9 +78,9 @@
 	var/fire_sound
 	var/fire_sound_vol = 50
 	var/fire_sound_vol_silenced = 10
-	var/miss_sounds
-	var/ricochet_sounds
-	var/list/impact_sounds	//for different categories, IMPACT_MEAT etc
+	var/miss_sounds // CURRENTLY UNUSED
+	var/ricochet_sounds // CURRENTLY UNUSED
+	var/list/impact_sounds	//for different categories, IMPACT_MEAT etc. CURRENTLY UNUSED
 	var/shrapnel_type = /obj/item/shard/shrapnel
 
 	var/vacuum_traversal = 1 //Determines if the projectile can exist in vacuum, if false, the projectile will be deleted if it enters vacuum.
diff --git a/code/modules/salvage/structure.dm b/code/modules/salvage/structure.dm
index 1d71f206157a..330f6083737c 100644
--- a/code/modules/salvage/structure.dm
+++ b/code/modules/salvage/structure.dm
@@ -4,7 +4,7 @@
 	tool_interaction_flags = TOOL_INTERACTION_DECONSTRUCT
 	material = /decl/material/solid/metal/steel
 	var/frame_type = /obj/machinery/constructable_frame/machine_frame
-	var/work_skill = SKILL_CONSTRUCTION
+	var/work_skill = SKILL_CONSTRUCTION // currently unused
 
 /obj/structure/salvage/proc/get_salvageable_components()
 	return