diff --git a/src/object.c b/src/object.c
index bf73270680..c1658c264a 100644
--- a/src/object.c
+++ b/src/object.c
@@ -523,6 +523,7 @@ typedef struct object_type_vtable {
 // Ride (rct2: 0x006E6E2A)
 ///////////////////////////////////////////////////////////////////////////////
 
+#pragma pack(push, 1)
 /**
  * Ride type vehicle structure.
  * size: 0x65
@@ -573,6 +574,7 @@ typedef struct rct_ride_entry_vehicle_32bit {
 	uint8 special_frames;			// 0x60 , 0x7A
 	uint32 peep_loading_positions;	// 0x61 , 0x7B note: uint32
 } rct_ride_entry_vehicle_32bit;
+assert_struct_size(rct_ride_entry_vehicle_32bit, 0x65);
 
 /**
  * Ride type structure.
@@ -617,6 +619,8 @@ typedef struct rct_ride_entry_32bit {
 	uint8 shop_item;									// 0x1C0
 	uint8 shop_item_secondary;							// 0x1C1
 } rct_ride_entry_32bit;
+assert_struct_size(rct_ride_entry_32bit, 0x1c2);
+#pragma pack(pop)
 
 static uint8* object_type_ride_load(void *objectEntry, uint32 entryIndex, int *chunkSize)
 {
@@ -1317,6 +1321,7 @@ static const object_type_vtable object_type_ride_vtable[] = {
 // Small Scenery (rct2: 0x006E3466)
 ///////////////////////////////////////////////////////////////////////////////
 
+#pragma pack(push, 1)
 typedef struct rct_large_scenery_entry_32bit {
 	uint8 tool_id;			// 0x06
 	uint8 flags;			// 0x07
@@ -1328,6 +1333,7 @@ typedef struct rct_large_scenery_entry_32bit {
 	uint32 text;
 	uint32 text_image;
 } rct_large_scenery_entry_32bit;
+assert_struct_size(rct_large_scenery_entry_32bit, 20);
 
 typedef struct rct_small_scenery_entry_32bit {
 	uint32 flags;			// 0x06
@@ -1339,6 +1345,7 @@ typedef struct rct_small_scenery_entry_32bit {
 	uint8 pad_14[0x06];
 	uint8 scenery_tab_id;	// 0x1A
 } rct_small_scenery_entry_32bit;
+assert_struct_size(rct_small_scenery_entry_32bit, 21);
 
 typedef struct rct_scenery_entry_32bit {
 	rct_string_id name;		// 0x00
@@ -1351,6 +1358,8 @@ typedef struct rct_scenery_entry_32bit {
 		rct_banner_scenery_entry banner;
 	};
 } rct_scenery_entry_32bit;
+assert_struct_size(rct_scenery_entry_32bit, 6 + 21);
+#pragma pack(pop)
 
 static uint8* object_type_small_scenery_load(void *objectEntry, uint32 entryIndex, int *chunkSize)
 {
diff --git a/src/ride/ride.h b/src/ride/ride.h
index 3efc434c87..69809cbe7c 100644
--- a/src/ride/ride.h
+++ b/src/ride/ride.h
@@ -122,9 +122,7 @@ typedef struct rct_ride_entry {
 	uint8 shop_item;									// 0x1C0
 	uint8 shop_item_secondary;							// 0x1C1
 } rct_ride_entry;
-#ifdef PLATFORM_32BIT
-assert_struct_size(rct_ride_entry, 0x1c2);
-#endif
+// FIXME: unpack
 
 /**
  * Ride structure.
diff --git a/src/ride/vehicle.h b/src/ride/vehicle.h
index 424fd2e21f..df7eca6e86 100644
--- a/src/ride/vehicle.h
+++ b/src/ride/vehicle.h
@@ -77,9 +77,7 @@ typedef struct rct_ride_entry_vehicle {
 	uint8 special_frames;			// 0x60 , 0x7A
 	sint8* peep_loading_positions;	// 0x61 , 0x7B
 } rct_ride_entry_vehicle;
-#ifdef PLATFORM_32BIT
-assert_struct_size(rct_ride_entry_vehicle, 0x65);
-#endif
+// FIXME: unpack
 
 typedef struct rct_vehicle {
 	uint8 sprite_identifier;		// 0x00
diff --git a/src/world/scenery.h b/src/world/scenery.h
index 0f46018a55..5b83792066 100644
--- a/src/world/scenery.h
+++ b/src/world/scenery.h
@@ -21,7 +21,6 @@
 #include "../object.h"
 #include "../world/map.h"
 
-#pragma pack(push, 1)
 typedef struct rct_small_scenery_entry {
 	uint32 flags;			// 0x06
 	uint8 height;			// 0x0A
@@ -34,7 +33,6 @@ typedef struct rct_small_scenery_entry {
 	uint16 var_18;
 	uint8 scenery_tab_id;	// 0x1A
 } rct_small_scenery_entry;
-assert_struct_size(rct_small_scenery_entry, 21);
 
 typedef enum {
 	SMALL_SCENERY_FLAG_FULL_TILE = (1 << 0),					// 0x1
@@ -67,6 +65,7 @@ typedef enum {
 	SMALL_SCENERY_FLAG27 = (1 << 27),							// 0x8000000
 } SMALL_SCENERY_FLAGS;
 
+#pragma pack(push, 1)
 typedef struct rct_large_scenery_tile {
 	sint16 x_offset;
 	sint16 y_offset;
@@ -104,9 +103,7 @@ typedef struct rct_large_scenery_entry {
 	rct_large_scenery_text* text; // 0x12
 	uint32 text_image;	// 0x16
 } rct_large_scenery_entry;
-#ifdef PLATFORM_32BIT
-assert_struct_size(rct_large_scenery_entry, 20);
-#endif
+// FIXME: unpack
 
 typedef struct rct_wall_scenery_entry {
 	uint8 tool_id;			// 0x06
@@ -162,9 +159,7 @@ typedef struct rct_scenery_entry {
 		rct_banner_scenery_entry banner;
 	};
 } rct_scenery_entry;
-#ifdef PLATFORM_32BIT
-assert_struct_size(rct_scenery_entry, 6 + 21);
-#endif
+// FIXME: unpack?
 
 typedef struct rct_scenery_set_entry {
 	rct_string_id name;				// 0x00