diff --git a/src/addresses.h b/src/addresses.h
index 2238a58c3a..c94b2327ba 100644
--- a/src/addresses.h
+++ b/src/addresses.h
@@ -208,7 +208,6 @@
 #define RCT2_ADDRESS_SPRITE_LISTS_HEAD				0x013573BC
 #define RCT2_ADDRESS_SPRITE_LISTS_COUNT				0x013573C8
 #define RCT2_ADDRESS_LOAN_HASH						0x013587C4
-#define RCT2_ADDRESS_LAST_RESEARCHED_ITEM_SUBJECT	0x01357CF4
 #define RCT2_ADDRESS_CURRENT_PARK_VALUE				0x0135853C
 #define RCT2_ADDRESS_AWARD_LIST						0x01358760
 #define RCT2_ADDRESS_SAME_PRICE_THROUGHOUT			0x01358838
@@ -220,21 +219,9 @@
 
 #define RCT2_ADDRESS_PEEP_SPAWNS					0x013573F2
 
-#define RCT2_ADDRESS_CURRENT_RESEARCH_LEVEL			0x013573FF
-
 #define RCT2_ADDRESS_HANDYMAN_COLOUR				0x01357BCD
 #define RCT2_ADDRESS_MECHANIC_COLOUR				0x01357BCE
 #define RCT2_ADDRESS_SECURITY_COLOUR				0x01357BCF
-#define RCT2_ADDRESS_RESEARCHED_SCENERY_ITEMS		0x01357BD0
-
-#define RCT2_ADDRESS_ACTIVE_RESEARCH_TYPES			0x01357CF2
-#define RCT2_ADDRESS_RESEARH_PROGRESS_STAGE			0x01357CF3
-
-#define RCT2_ADDRESS_NEXT_RESEARCH_ITEM				0x013580E0
-#define RCT2_ADDRESS_RESEARH_PROGRESS				0x013580E4
-#define RCT2_ADDRESS_NEXT_RESEARCH_CATEGORY			0x013580E6
-#define RCT2_ADDRESS_NEXT_RESEARCH_EXPECTED_DAY		0x013580E7
-#define RCT2_ADDRESS_NEXT_RESEARCH_EXPECTED_MONTH	0x013580E8
 
 #define RCT2_ADDRESS_MAP_SIZE_UNITS					0x01358830
 #define RCT2_ADDRESS_MAP_SIZE_MINUS_2				0x01358832
@@ -245,7 +232,6 @@
 #define RCT2_TOTAL_RIDE_VALUE						0x013580EE
 
 #define RCT2_ADDRESS_PARK_RATING_WARNING_DAYS		0x0135883E
-#define RCT2_RESEARCH_ITEMS							0x01358844
 
 #define RCT2_ADDRESS_SCENARIO_NAME					0x0135920A
 #define RCT2_ADDRESS_SCENARIO_DETAILS				0x0135924A
@@ -257,10 +243,6 @@
 
 #define RCT2_ADDRESS_CURRENT_TICKS					0x013628F4
 #define RCT2_ADDRESS_RIDE_LIST						0x013628F8
-#define RCT2_ADDRESS_RESEARCHED_RIDE_TYPES			0x01357404
-#define RCT2_ADDRESS_RESEARCHED_RIDE_ENTRIES		0x01357424
-#define RCT2_ADDRESS_RESEARCHED_TRACK_TYPES_A		0x01357444
-#define RCT2_ADDRESS_RESEARCHED_TRACK_TYPES_B		0x01357644
 
 #define RCT2_ADDRESS_RIDE_COUNT						0x013587C8
 #define RCT2_ADDRESS_RIDE_FLAGS						0x0097CF40
@@ -590,6 +572,24 @@
 #define RCT2_ADDRESS_GUEST_INITIAL_HUNGER			0x013580F6
 #define RCT2_ADDRESS_GUEST_INITIAL_THIRST			0x013580F7
 
+#define RCT2_ADDRESS_CURRENT_RESEARCH_LEVEL			0x013573FF
+#define RCT2_ADDRESS_ACTIVE_RESEARCH_TYPES			0x01357CF2
+#define RCT2_ADDRESS_RESEARH_PROGRESS_STAGE			0x01357CF3
+#define RCT2_ADDRESS_LAST_RESEARCHED_ITEM_SUBJECT	0x01357CF4
+
+#define RCT2_ADDRESS_NEXT_RESEARCH_ITEM				0x013580E0
+#define RCT2_ADDRESS_RESEARH_PROGRESS				0x013580E4
+#define RCT2_ADDRESS_NEXT_RESEARCH_CATEGORY			0x013580E6
+#define RCT2_ADDRESS_NEXT_RESEARCH_EXPECTED_DAY		0x013580E7
+#define RCT2_ADDRESS_NEXT_RESEARCH_EXPECTED_MONTH	0x013580E8
+
+#define RCT2_RESEARCH_ITEMS							0x01358844
+#define RCT2_ADDRESS_RESEARCHED_RIDE_TYPES			0x01357404
+#define RCT2_ADDRESS_RESEARCHED_RIDE_ENTRIES		0x01357424
+#define RCT2_ADDRESS_RESEARCHED_TRACK_TYPES_A		0x01357444
+#define RCT2_ADDRESS_RESEARCHED_TRACK_TYPES_B		0x01357644
+#define RCT2_ADDRESS_RESEARCHED_SCENERY_ITEMS		0x01357BD0
+
 #define RCT2_ADDRESS_CLIMATE						0x013CA746
 #define RCT2_ADDRESS_CURRENT_WEATHER				0x013CA74A
 #define RCT2_ADDRESS_NEXT_WEATHER					0x013CA74B
diff --git a/src/management/research.c b/src/management/research.c
index 7eb108b58f..5584f5d0c3 100644
--- a/src/management/research.c
+++ b/src/management/research.c
@@ -33,17 +33,27 @@
 
 const int _researchRate[] = { 0, 160, 250, 400 };
 
+uint8 gResearchFundingLevel;
+uint8 gResearchPriorities;
+uint16 gResearchProgress;
+uint8 gResearchProgressStage;
+uint32 gResearchLastItemSubject;
+uint8 gResearchExpectedMonth;
+uint8 gResearchExpectedDay;
+uint8 gResearchNextCategory;
+uint32 gResearchNextItem;
+
 // 0x01358844[500]
-rct_research_item *gResearchItems = RCT2_ADDRESS(RCT2_RESEARCH_ITEMS, rct_research_item);
+rct_research_item gResearchItems[500];
 
 // 0x00EE787C
 uint8 gResearchUncompletedCategories;
 
-uint32 *gResearchedRideTypes = RCT2_ADDRESS(RCT2_ADDRESS_RESEARCHED_RIDE_TYPES, uint32);
-uint32 *gResearchedRideEntries = RCT2_ADDRESS(RCT2_ADDRESS_RESEARCHED_RIDE_ENTRIES, uint32);
-uint32 *gResearchedTrackTypesA = RCT2_ADDRESS(RCT2_ADDRESS_RESEARCHED_TRACK_TYPES_A, uint32);
-uint32 *gResearchedTrackTypesB = RCT2_ADDRESS(RCT2_ADDRESS_RESEARCHED_TRACK_TYPES_B, uint32);
-uint32 *gResearchedSceneryItems = RCT2_ADDRESS(RCT2_ADDRESS_RESEARCHED_SCENERY_ITEMS, uint32);
+uint32 gResearchedRideTypes[8];
+uint32 gResearchedRideEntries[8];
+uint32 gResearchedTrackTypesA[128];
+uint32 gResearchedTrackTypesB[128];
+uint32 gResearchedSceneryItems[56];
 
 bool gSilentResearch = false;
 
diff --git a/src/management/research.h b/src/management/research.h
index bd46a59801..b15c97aa67 100644
--- a/src/management/research.h
+++ b/src/management/research.h
@@ -65,23 +65,23 @@ enum {
 	RESEARCH_CATEGORY_SCENERYSET
 };
 
-#define gResearchFundingLevel		RCT2_GLOBAL(RCT2_ADDRESS_CURRENT_RESEARCH_LEVEL, uint8)
-#define gResearchPriorities			RCT2_GLOBAL(RCT2_ADDRESS_ACTIVE_RESEARCH_TYPES, uint8)
-#define gResearchProgress			RCT2_GLOBAL(RCT2_ADDRESS_RESEARH_PROGRESS, uint16)
-#define gResearchProgressStage		RCT2_GLOBAL(RCT2_ADDRESS_RESEARH_PROGRESS_STAGE, uint8)
-#define gResearchLastItemSubject	RCT2_GLOBAL(RCT2_ADDRESS_LAST_RESEARCHED_ITEM_SUBJECT, uint32)
-#define gResearchExpectedMonth		RCT2_GLOBAL(RCT2_ADDRESS_NEXT_RESEARCH_EXPECTED_MONTH, uint8)
-#define gResearchExpectedDay		RCT2_GLOBAL(RCT2_ADDRESS_NEXT_RESEARCH_EXPECTED_DAY, uint8)
-#define gResearchNextCategory		RCT2_GLOBAL(RCT2_ADDRESS_NEXT_RESEARCH_CATEGORY, uint8)
-#define gResearchNextItem			RCT2_GLOBAL(RCT2_ADDRESS_NEXT_RESEARCH_ITEM, uint32)
+extern uint8 gResearchFundingLevel;
+extern uint8 gResearchPriorities;
+extern uint16 gResearchProgress;
+extern uint8 gResearchProgressStage;
+extern uint32 gResearchLastItemSubject;
+extern uint8 gResearchExpectedMonth;
+extern uint8 gResearchExpectedDay;
+extern uint8 gResearchNextCategory;
+extern uint32 gResearchNextItem;
 
-extern rct_research_item *gResearchItems;
+extern rct_research_item gResearchItems[500];
 extern uint8 gResearchUncompletedCategories;
-extern uint32 *gResearchedRideTypes;
-extern uint32 *gResearchedRideEntries;
-extern uint32 *gResearchedTrackTypesA;
-extern uint32 *gResearchedTrackTypesB;
-extern uint32 *gResearchedSceneryItems;
+extern uint32 gResearchedRideTypes[8];
+extern uint32 gResearchedRideEntries[8];
+extern uint32 gResearchedTrackTypesA[128];
+extern uint32 gResearchedTrackTypesB[128];
+extern uint32 gResearchedSceneryItems[56];
 extern bool gSilentResearch;
 
 void research_reset_items();