diff --git a/code/game/machinery/deployable.dm b/code/game/machinery/deployable.dm
index 040bd8b1359..4b268eb07c4 100644
--- a/code/game/machinery/deployable.dm
+++ b/code/game/machinery/deployable.dm
@@ -140,7 +140,7 @@
 	base_icon_state = "sandbags"
 	max_integrity = 280
 	proj_pass_rate = 20
-	pass_flags = LETPASSTHROW
+	pass_flags_self = LETPASSTHROW
 	bar_material = SAND
 	climbable = TRUE
 	smoothing_flags = SMOOTH_BITMASK
diff --git a/code/game/objects/items/sport.dm b/code/game/objects/items/sport.dm
index 5c96c579eb4..74c6e98e153 100644
--- a/code/game/objects/items/sport.dm
+++ b/code/game/objects/items/sport.dm
@@ -67,7 +67,7 @@
 	icon_state = "hoop"
 	anchored = TRUE
 	density = TRUE
-	pass_flags = LETPASSTHROW
+	pass_flags_self = LETPASSTHROW
 
 /obj/structure/holohoop/attackby(obj/item/W, mob/user, params)
 	if(istype(W, /obj/item/grab) && get_dist(src, user) <= 1)
diff --git a/code/game/objects/structures/holosigns.dm b/code/game/objects/structures/holosigns.dm
index a01546b39c7..2ef8f33659d 100644
--- a/code/game/objects/structures/holosigns.dm
+++ b/code/game/objects/structures/holosigns.dm
@@ -52,7 +52,7 @@
 	name = "holo barrier"
 	desc = "A short holographic barrier which can only be passed by walking."
 	icon_state = "holosign_sec"
-	pass_flags = LETPASSTHROW
+	pass_flags_self = LETPASSTHROW
 	density = TRUE
 	max_integrity = 20
 	var/allow_walk = TRUE //can we pass through it on walk intent
diff --git a/code/game/objects/structures/morgue.dm b/code/game/objects/structures/morgue.dm
index ba755ab3555..14b3731a686 100644
--- a/code/game/objects/structures/morgue.dm
+++ b/code/game/objects/structures/morgue.dm
@@ -255,7 +255,7 @@
 	layer = 2.0
 	var/obj/structure/morgue/connected = null
 	anchored = TRUE
-	pass_flags = LETPASSTHROW
+	pass_flags_self = LETPASSTHROW
 	max_integrity = 350
 
 /obj/structure/m_tray/attack_hand(mob/user as mob)
@@ -552,7 +552,7 @@ GLOBAL_LIST_EMPTY(crematoriums)
 	layer = 2.0
 	var/obj/structure/crematorium/connected = null
 	anchored = TRUE
-	pass_flags = LETPASSTHROW
+	pass_flags_self = LETPASSTHROW
 
 /obj/structure/c_tray/attack_hand(mob/user as mob)
 	if(connected)
diff --git a/code/game/objects/structures/railings.dm b/code/game/objects/structures/railings.dm
index efcd184fcbc..59bcaefc94f 100644
--- a/code/game/objects/structures/railings.dm
+++ b/code/game/objects/structures/railings.dm
@@ -5,7 +5,7 @@
 	icon_state = "railing"
 	density = TRUE
 	anchored = TRUE
-	pass_flags = LETPASSTHROW
+	pass_flags_self = LETPASSTHROW
 	climbable = TRUE
 	layer = ABOVE_MOB_LAYER
 	flags = ON_BORDER
diff --git a/code/game/objects/structures/tables_racks.dm b/code/game/objects/structures/tables_racks.dm
index 4fc3af78a53..4d376ffa374 100644
--- a/code/game/objects/structures/tables_racks.dm
+++ b/code/game/objects/structures/tables_racks.dm
@@ -21,7 +21,7 @@
 	density = TRUE
 	anchored = TRUE
 	layer = TABLE_LAYER
-	pass_flags = LETPASSTHROW
+	pass_flags_self = LETPASSTHROW
 	climbable = TRUE
 	max_integrity = 100
 	integrity_failure = 30
@@ -864,7 +864,7 @@
 	layer = TABLE_LAYER
 	density = TRUE
 	anchored = TRUE
-	pass_flags = LETPASSTHROW
+	pass_flags_self = LETPASSTHROW
 	max_integrity = 20
 
 /obj/structure/rack/examine(mob/user)
diff --git a/code/modules/fish/fishtank.dm b/code/modules/fish/fishtank.dm
index b3e541e6d31..6b423f9568d 100644
--- a/code/modules/fish/fishtank.dm
+++ b/code/modules/fish/fishtank.dm
@@ -35,8 +35,8 @@
 	icon_state = "bowl1"
 	density = FALSE				// Small enough to not block stuff
 	anchored = FALSE			// Small enough to move even when filled
-	pass_flags = PASSTABLE | LETPASSTHROW // Just like at the county fair, you can't seem to throw the ball in to win the goldfish, and it's small enough to pull onto a table
-
+	pass_flags_self = LETPASSTHROW // Just like at the county fair, you can't seem to throw the ball in to win the goldfish, and it's small enough to pull onto a table
+	pass_flags = PASSTABLE
 	tank_type = "bowl"
 	water_capacity = 50			// Not very big, therefore it can't hold much
 	max_fish = 1				// What a lonely fish
@@ -52,7 +52,7 @@
 	icon_state = "tank1"
 	density = TRUE
 	anchored = TRUE
-	pass_flags = LETPASSTHROW
+	pass_flags = null
 
 	tank_type = "tank"
 	water_capacity = 200		// Decent sized, holds almost 2 full buckets