diff --git a/_maps/map_files/Deltastation/DeltaStation2.dmm b/_maps/map_files/Deltastation/DeltaStation2.dmm
index ace23902ddb..59c59c01067 100644
--- a/_maps/map_files/Deltastation/DeltaStation2.dmm
+++ b/_maps/map_files/Deltastation/DeltaStation2.dmm
@@ -20426,7 +20426,7 @@
 	},
 /obj/item/storage/box/shipping{
 	pixel_x = 4;
-	pixel_z = 4
+	pixel_y = 4
 	},
 /turf/open/floor/plasteel,
 /area/quartermaster/sorting)
diff --git a/_maps/map_files/IceBoxStation/IceBoxStation.dmm b/_maps/map_files/IceBoxStation/IceBoxStation.dmm
index b90b2c9a65b..c80e9e22983 100644
--- a/_maps/map_files/IceBoxStation/IceBoxStation.dmm
+++ b/_maps/map_files/IceBoxStation/IceBoxStation.dmm
@@ -52279,9 +52279,7 @@
 /turf/open/floor/plasteel/white,
 /area/medical/medbay)
 "hnW" = (
-/obj/effect/spawner/structure/window/reinforced{
-	pixel_w = 1
-	},
+/obj/effect/spawner/structure/window/reinforced,
 /turf/closed/wall,
 /area/maintenance/starboard/aft)
 "hox" = (
diff --git a/_maps/map_files/MetaStation/MetaStation.dmm b/_maps/map_files/MetaStation/MetaStation.dmm
index abf9e234d82..f7bc3aaa676 100644
--- a/_maps/map_files/MetaStation/MetaStation.dmm
+++ b/_maps/map_files/MetaStation/MetaStation.dmm
@@ -29983,7 +29983,7 @@
 "bro" = (
 /obj/structure/cable,
 /obj/machinery/firealarm{
-	pixel_z = -28
+	pixel_y = -28
 	},
 /obj/machinery/atmospherics/components/unary/vent_pump/on{
 	dir = 8
diff --git a/_maps/shuttles/emergency_luxury.dmm b/_maps/shuttles/emergency_luxury.dmm
index 9ebc91d7d3e..10c56a45fd3 100644
--- a/_maps/shuttles/emergency_luxury.dmm
+++ b/_maps/shuttles/emergency_luxury.dmm
@@ -262,8 +262,7 @@
 "aR" = (
 /obj/structure/mirror{
 	pixel_x = -23;
-	pixel_y = -4;
-	pixel_z = 2
+	pixel_y = -2
 	},
 /obj/structure/sink/greyscale{
 	dir = 4;
diff --git a/tools/travis/check_grep.sh b/tools/travis/check_grep.sh
index 744d7353ff9..2cf135a2a83 100755
--- a/tools/travis/check_grep.sh
+++ b/tools/travis/check_grep.sh
@@ -18,6 +18,10 @@ if grep -P 'step_[xy]' _maps/**/*.dmm;	then
     echo "ERROR: step_x/step_y variables detected in maps, please remove them."
     st=1
 fi;
+if grep -P 'pixel_[^xy]' _maps/**/*.dmm;	then
+    echo "ERROR: incorrect pixel offset variables detected in maps, please remove them."
+    st=1
+fi;
 if grep -P '\td[1-2] =' _maps/**/*.dmm;	then
     echo "ERROR: d1/d2 cable variables detected in maps, please remove them."
     st=1