diff --git a/gflib/malloc.h b/gflib/malloc.h
index 8d49e0be7..851db83a6 100644
--- a/gflib/malloc.h
+++ b/gflib/malloc.h
@@ -2,13 +2,10 @@
 #define GUARD_ALLOC_H
 
 #define HEAP_SIZE 0x1C000
-#define malloc Alloc
-#define calloc(ct, sz) AllocZeroed((ct) * (sz))
-#define free Free
 
 #define FREE_AND_SET_NULL(ptr)          \
 {                                       \
-    free(ptr);                          \
+    Free(ptr);                          \
     ptr = NULL;                         \
 }
 
diff --git a/src/battle_pike.c b/src/battle_pike.c
index 139ea497b..4f9af98ea 100644
--- a/src/battle_pike.c
+++ b/src/battle_pike.c
@@ -1084,7 +1084,7 @@ static u8 GetNextRoomType(void)
     }
 
     nextRoomType = roomCandidates[Random() % numRoomCandidates];
-    free(roomCandidates);
+    Free(roomCandidates);
     if (nextRoomType == PIKE_ROOM_STATUS)
         TryInflictRandomStatus();
 
@@ -1363,7 +1363,7 @@ static void SetHintedRoom(void)
         }
 
         gSaveBlock2Ptr->frontier.pikeHintedRoomType = roomCandidates[Random() % count];
-        free(roomCandidates);
+        Free(roomCandidates);
         if (gSaveBlock2Ptr->frontier.pikeHintedRoomType == PIKE_ROOM_STATUS && !AtLeastOneHealthyMon())
             gSaveBlock2Ptr->frontier.pikeHintedRoomType = PIKE_ROOM_NPC;
         if (gSaveBlock2Ptr->frontier.pikeHintedRoomType == PIKE_ROOM_DOUBLE_BATTLE && !AtLeastTwoAliveMons())
diff --git a/src/battle_pyramid.c b/src/battle_pyramid.c
index 6e8c6a37e..cbc1589bd 100644
--- a/src/battle_pyramid.c
+++ b/src/battle_pyramid.c
@@ -1568,7 +1568,7 @@ void GenerateBattlePyramidFloorLayout(u16 *backupMapData, bool8 setPlayerPositio
         }
     }
     RunOnLoadMapScript();
-    free(floorLayoutOffsets);
+    Free(floorLayoutOffsets);
 }
 
 void LoadBattlePyramidObjectEventTemplates(void)
@@ -1697,7 +1697,7 @@ static void SetPyramidObjectPositionsUniformly(u8 objType)
         } while (!(bits & 4) && TrySetPyramidObjectEventPositionInSquare(objType, floorLayoutOffsets, squareId, objectStartIndex + i));
         bits &= 1;
     }
-    free(floorLayoutOffsets);
+    Free(floorLayoutOffsets);
 }
 
 static bool8 SetPyramidObjectPositionsInAndNearSquare(u8 objType, u8 squareId)
@@ -1760,7 +1760,7 @@ static bool8 SetPyramidObjectPositionsInAndNearSquare(u8 objType, u8 squareId)
         r7 &= 1;
     }
     #ifdef BUGFIX
-    free(floorLayoutOffsets);
+    Free(floorLayoutOffsets);
     #endif
 
     return (numObjects / 2) > numPlacedObjects;
@@ -1814,7 +1814,7 @@ static bool8 SetPyramidObjectPositionsNearSquare(u8 objType, u8 squareId)
             break;
     }
     #ifdef BUGFIX
-    free(floorLayoutOffsets);
+    Free(floorLayoutOffsets);
     #endif
 
     return (numObjects / 2) > numPlacedObjects;
diff --git a/src/decoration.c b/src/decoration.c
index c5c7c02c3..cd3e185da 100644
--- a/src/decoration.c
+++ b/src/decoration.c
@@ -1000,7 +1000,7 @@ static void HandleDecorationItemsMenuInput(u8 taskId)
             DestroyListMenuTask(tMenuTaskId, &sDecorationsScrollOffset, &sDecorationsCursorPos);
             RemoveDecorationWindow(WINDOW_DECORATION_CATEGORIES);
             RemoveDecorationItemsOtherWindows();
-            free(sDecorationItemsMenu);
+            Free(sDecorationItemsMenu);
             sSecretBasePC_SelectedDecorationActions[tDecorationMenuCommand][0](taskId);
             break;
         }
@@ -1161,7 +1161,7 @@ static void DecorationItemsMenuAction_Cancel(u8 taskId)
     RemoveDecorationItemsScrollIndicators();
     RemoveDecorationItemsOtherWindows();
     DestroyListMenuTask(tMenuTaskId, NULL, NULL);
-    free(sDecorationItemsMenu);
+    Free(sDecorationItemsMenu);
     ReinitDecorationCategoriesWindow(taskId);
 }
 
@@ -2060,13 +2060,13 @@ static u8 AddDecorationIconObjectFromIconTable(u16 tilesTag, u16 paletteTag, u8
     palette.data = GetDecorationIconPicOrPalette(decor, 1);
     palette.tag = paletteTag;
     LoadCompressedSpritePalette(&palette);
-    template = malloc(sizeof(struct SpriteTemplate));
+    template = Alloc(sizeof(struct SpriteTemplate));
     *template = gItemIconSpriteTemplate;
     template->tileTag = tilesTag;
     template->paletteTag = paletteTag;
     spriteId = CreateSprite(template, 0, 0, 0);
     FreeItemIconTemporaryBuffers();
-    free(template);
+    Free(template);
     return spriteId;
 }
 
@@ -2105,7 +2105,7 @@ static u8 AddDecorationIconObjectFromObjectEvent(u16 tilesTag, u16 paletteTag, u
         template->tileTag = tilesTag;
         template->paletteTag = paletteTag;
         spriteId = CreateSprite(template, 0, 0, 0);
-        free(template);
+        Free(template);
     }
     else
     {
diff --git a/src/diploma.c b/src/diploma.c
index ce31578dc..a30d71554 100644
--- a/src/diploma.c
+++ b/src/diploma.c
@@ -73,7 +73,7 @@ void CB2_ShowDiploma(void)
     ResetPaletteFade();
     FreeAllSpritePalettes();
     LoadPalette(sDiplomaPalettes, 0, 64);
-    sDiplomaTilemapPtr = malloc(0x1000);
+    sDiplomaTilemapPtr = Alloc(0x1000);
     InitDiplomaBg();
     InitDiplomaWindow();
     ResetTempTileDataBuffers();
diff --git a/src/easy_chat.c b/src/easy_chat.c
index ebc843b3c..054c65c0f 100644
--- a/src/easy_chat.c
+++ b/src/easy_chat.c
@@ -1627,7 +1627,7 @@ static bool8 InitEasyChatScreenStruct(u8 type, u16 *words, u8 displayedPersonTyp
     u8 templateId;
     int i;
 
-    sEasyChatScreen = malloc(sizeof(*sEasyChatScreen));
+    sEasyChatScreen = Alloc(sizeof(*sEasyChatScreen));
     if (sEasyChatScreen == NULL)
         return FALSE;
 
diff --git a/src/event_object_movement.c b/src/event_object_movement.c
index a63eeb22b..1e8668d55 100644
--- a/src/event_object_movement.c
+++ b/src/event_object_movement.c
@@ -1537,13 +1537,13 @@ u8 CreateObjectGraphicsSprite(u16 graphicsId, void (*callback)(struct Sprite *),
     struct Sprite *sprite;
     u8 spriteId;
 
-    spriteTemplate = malloc(sizeof(struct SpriteTemplate));
+    spriteTemplate = Alloc(sizeof(struct SpriteTemplate));
     CopyObjectGraphicsInfoToSpriteTemplate(graphicsId, callback, spriteTemplate, &subspriteTables);
     if (spriteTemplate->paletteTag != TAG_NONE)
         LoadObjectEventPalette(spriteTemplate->paletteTag);
 
     spriteId = CreateSprite(spriteTemplate, x, y, subpriority);
-    free(spriteTemplate);
+    Free(spriteTemplate);
 
     if (spriteId != MAX_SPRITES && subspriteTables != NULL)
     {
diff --git a/src/field_region_map.c b/src/field_region_map.c
index 5e14920fb..43055174f 100644
--- a/src/field_region_map.c
+++ b/src/field_region_map.c
@@ -92,7 +92,7 @@ static const struct WindowTemplate sFieldRegionMapWindowTemplates[] =
 void FieldInitRegionMap(MainCallback callback)
 {
     SetVBlankCallback(NULL);
-    sFieldRegionMapHandler = malloc(sizeof(*sFieldRegionMapHandler));
+    sFieldRegionMapHandler = Alloc(sizeof(*sFieldRegionMapHandler));
     sFieldRegionMapHandler->state = 0;
     sFieldRegionMapHandler->callback = callback;
     SetMainCallback2(MCB2_InitRegionMapRegisters);
diff --git a/src/frontier_util.c b/src/frontier_util.c
index f5dde452f..686b69388 100644
--- a/src/frontier_util.c
+++ b/src/frontier_util.c
@@ -2271,7 +2271,7 @@ static void Fill1PRecords(struct RankingHall1P *dst, s32 hallFacilityId, s32 lvl
 {
     s32 i, j;
     struct RankingHall1P record1P[HALL_RECORDS_COUNT + 1];
-    struct PlayerHallRecords *playerHallRecords = calloc(1, sizeof(struct PlayerHallRecords));
+    struct PlayerHallRecords *playerHallRecords = AllocZeroed(sizeof(struct PlayerHallRecords));
     GetPlayerHallRecords(playerHallRecords);
 
     for (i = 0; i < HALL_RECORDS_COUNT; i++)
@@ -2298,14 +2298,14 @@ static void Fill1PRecords(struct RankingHall1P *dst, s32 hallFacilityId, s32 lvl
         record1P[highestId].winStreak = 0;
     }
 
-    free(playerHallRecords);
+    Free(playerHallRecords);
 }
 
 static void Fill2PRecords(struct RankingHall2P *dst, s32 lvlMode)
 {
     s32 i, j;
     struct RankingHall2P record2P[HALL_RECORDS_COUNT + 1];
-    struct PlayerHallRecords *playerHallRecords = calloc(1, sizeof(struct PlayerHallRecords));
+    struct PlayerHallRecords *playerHallRecords = AllocZeroed(sizeof(struct PlayerHallRecords));
     GetPlayerHallRecords(playerHallRecords);
 
     for (i = 0; i < HALL_RECORDS_COUNT; i++)
@@ -2332,7 +2332,7 @@ static void Fill2PRecords(struct RankingHall2P *dst, s32 lvlMode)
         record2P[highestId].winStreak = 0;
     }
 
-    free(playerHallRecords);
+    Free(playerHallRecords);
 }
 
 static void PrintHallRecords(s32 hallFacilityId, s32 lvlMode)
@@ -2421,7 +2421,7 @@ void ClearRankingHallRecords(void)
 void SaveGameFrontier(void)
 {
     s32 i;
-    struct Pokemon *monsParty = calloc(PARTY_SIZE, sizeof(struct Pokemon));
+    struct Pokemon *monsParty = AllocZeroed(sizeof(struct Pokemon) * PARTY_SIZE);
 
     for (i = 0; i < PARTY_SIZE; i++)
         monsParty[i] = gPlayerParty[i];
@@ -2436,7 +2436,7 @@ void SaveGameFrontier(void)
     for (i = 0; i < PARTY_SIZE; i++)
         gPlayerParty[i] = monsParty[i];
 
-    free(monsParty);
+    Free(monsParty);
 }
 
 // Frontier Brain functions.
diff --git a/src/link.c b/src/link.c
index 57e33c811..b01be9d89 100644
--- a/src/link.c
+++ b/src/link.c
@@ -1608,7 +1608,7 @@ void CB2_LinkError(void)
     SetVBlankCallback(VBlankCB_LinkError);
     ResetBgsAndClearDma3BusyFlags(0);
     InitBgsFromTemplates(0, sLinkErrorBgTemplates, ARRAY_COUNT(sLinkErrorBgTemplates));
-    sLinkErrorBgTilemapBuffer = tilemapBuffer = malloc(BG_SCREEN_SIZE);
+    sLinkErrorBgTilemapBuffer = tilemapBuffer = Alloc(BG_SCREEN_SIZE);
     SetBgTilemapBuffer(1, tilemapBuffer);
     if (InitWindows(sLinkErrorWindowTemplates))
     {
diff --git a/src/link_rfu_3.c b/src/link_rfu_3.c
index 0825daea2..0d028cd48 100644
--- a/src/link_rfu_3.c
+++ b/src/link_rfu_3.c
@@ -913,7 +913,7 @@ void SaveLinkTrainerNames(void)
         s32 j;
         s32 nextSpace;
         s32 connectedTrainerRecordIndices[MAX_RFU_PLAYERS];
-        struct TrainerNameRecord *newRecords = calloc(ARRAY_COUNT(gSaveBlock1Ptr->trainerNameRecords), sizeof(struct TrainerNameRecord));
+        struct TrainerNameRecord *newRecords = AllocZeroed(sizeof(gSaveBlock1Ptr->trainerNameRecords));
 
         // Check if we already have a record saved for connected trainers.
         for (i = 0; i < GetLinkPlayerCount(); i++)
@@ -955,7 +955,7 @@ void SaveLinkTrainerNames(void)
 
         // Finalize the new list, and clean up.
         memcpy(gSaveBlock1Ptr->trainerNameRecords, newRecords, sizeof(gSaveBlock1Ptr->trainerNameRecords));
-        free(newRecords);
+        Free(newRecords);
     }
 }
 
diff --git a/src/mail.c b/src/mail.c
index 651fcbb84..f1e4fbedf 100644
--- a/src/mail.c
+++ b/src/mail.c
@@ -448,7 +448,7 @@ void ReadMail(struct Mail *mail, void (*exitCallback)(void), bool8 hasText)
     u16 buffer[2];
     u16 species;
 
-    sMailRead = calloc(1, sizeof(*sMailRead));
+    sMailRead = AllocZeroed(sizeof(*sMailRead));
     sMailRead->language = GAME_LANGUAGE;
     sMailRead->international = TRUE;
     sMailRead->parserSingle = CopyEasyChatWord;
diff --git a/src/record_mixing.c b/src/record_mixing.c
index c899db25e..5d75f3fc8 100644
--- a/src/record_mixing.c
+++ b/src/record_mixing.c
@@ -315,8 +315,8 @@ static void Task_RecordMixing_Main(u8 taskId)
     switch (tState)
     {
     case 0: // init
-        sSentRecord = malloc(sizeof(*sSentRecord));
-        sReceivedRecords = malloc(sizeof(*sReceivedRecords) * MAX_LINK_PLAYERS);
+        sSentRecord = Alloc(sizeof(*sSentRecord));
+        sReceivedRecords = Alloc(sizeof(*sReceivedRecords) * MAX_LINK_PLAYERS);
         SetLocalLinkPlayerId(gSpecialVar_0x8005);
         VarSet(VAR_TEMP_0, 1);
         sReadyToReceive = FALSE;
@@ -358,8 +358,8 @@ static void Task_RecordMixing_Main(u8 taskId)
     case 5: // Wait for the task created by CreateTask_ReestablishCableClubLink
         if (!gTasks[tLinkTaskId].isActive)
         {
-            free(sReceivedRecords);
-            free(sSentRecord);
+            Free(sReceivedRecords);
+            Free(sSentRecord);
             SetLinkWaitingForScript();
             if (gWirelessCommType != 0)
                 CreateTask(Task_ReturnToFieldRecordMixing, 10);
@@ -689,7 +689,7 @@ static void ReceiveLilycoveLadyData(LilycoveLady *records, size_t recordSize, u8
 
     if (GetLilycoveLadyId() == 0)
     {
-        lilycoveLady = malloc(sizeof(*lilycoveLady));
+        lilycoveLady = Alloc(sizeof(*lilycoveLady));
         if (lilycoveLady == NULL)
             return;
 
@@ -705,7 +705,7 @@ static void ReceiveLilycoveLadyData(LilycoveLady *records, size_t recordSize, u8
     if (lilycoveLady != NULL)
     {
         QuizLadyClearQuestionForRecordMix(lilycoveLady);
-        free(lilycoveLady);
+        Free(lilycoveLady);
     }
 }
 
diff --git a/src/recorded_battle.c b/src/recorded_battle.c
index e8785b5f8..dead1dd7e 100644
--- a/src/recorded_battle.c
+++ b/src/recorded_battle.c
@@ -475,8 +475,8 @@ bool32 MoveRecordedBattleToSaveData(void)
             break;
     }
 
-    free(battleSave);
-    free(savSection);
+    Free(battleSave);
+    Free(savSection);
     return ret;
 }
 
diff --git a/src/region_map.c b/src/region_map.c
index a4db1cb04..8157f8a4e 100644
--- a/src/region_map.c
+++ b/src/region_map.c
@@ -1664,7 +1664,7 @@ void CB2_OpenFlyMap(void)
         SetGpuReg(REG_OFFSET_BG2HOFS, 0);
         SetGpuReg(REG_OFFSET_BG3HOFS, 0);
         SetGpuReg(REG_OFFSET_BG3VOFS, 0);
-        sFlyMap = malloc(sizeof(*sFlyMap));
+        sFlyMap = Alloc(sizeof(*sFlyMap));
         if (sFlyMap == NULL)
         {
             SetMainCallback2(CB2_ReturnToFieldWithOpenMenu);
diff --git a/src/secret_base.c b/src/secret_base.c
index 74129d3ff..ea1999343 100644
--- a/src/secret_base.c
+++ b/src/secret_base.c
@@ -921,7 +921,7 @@ static void Task_ShowSecretBaseRegistryMenu(u8 taskId)
         tSelectedRow = 0;
         tScrollOffset = 0;
         ClearDialogWindowAndFrame(0, FALSE);
-        sRegistryMenu = calloc(1, sizeof(*sRegistryMenu));
+        sRegistryMenu = AllocZeroed(sizeof(*sRegistryMenu));
         tMainWindowId = AddWindow(&sRegistryWindowTemplates[0]);
         BuildRegistryMenuItems(taskId);
         FinalizeRegistryMenu(taskId);
@@ -1006,7 +1006,7 @@ static void HandleRegistryMenuInput(u8 taskId)
         ClearWindowTilemap(tMainWindowId);
         RemoveWindow(tMainWindowId);
         ScheduleBgCopyTilemapToVram(0);
-        free(sRegistryMenu);
+        Free(sRegistryMenu);
         GoToSecretBasePCRegisterMenu(taskId);
         break;
     default:
diff --git a/src/tv.c b/src/tv.c
index 0c394acf7..b32881d09 100644
--- a/src/tv.c
+++ b/src/tv.c
@@ -3450,7 +3450,7 @@ void ReceiveTvShowsData(void *src, u32 size, u8 playersLinkId)
     TVShow (*rmBuffer2)[MAX_LINK_PLAYERS][TV_SHOWS_COUNT];
     TVShow (*rmBuffer)[MAX_LINK_PLAYERS][TV_SHOWS_COUNT];
 
-    rmBuffer2 = malloc(MAX_LINK_PLAYERS * TV_SHOWS_COUNT * sizeof(TVShow));
+    rmBuffer2 = Alloc(MAX_LINK_PLAYERS * TV_SHOWS_COUNT * sizeof(TVShow));
     if (rmBuffer2 != NULL)
     {
         for (i = 0; i < MAX_LINK_PLAYERS; i++)
@@ -3488,7 +3488,7 @@ void ReceiveTvShowsData(void *src, u32 size, u8 playersLinkId)
         CompactTVShowArray(gSaveBlock1Ptr->tvShows);
         DeactivateShowsWithUnseenSpecies();
         DeactivateGameCompleteShowsIfNotUnlocked();
-        free(rmBuffer2);
+        Free(rmBuffer2);
     }
 }
 
@@ -3835,7 +3835,7 @@ void ReceivePokeNewsData(void *src, u32 size, u8 playersLinkId)
     PokeNews (*rmBuffer2)[MAX_LINK_PLAYERS][POKE_NEWS_COUNT];
     PokeNews (*rmBuffer)[MAX_LINK_PLAYERS][POKE_NEWS_COUNT];
 
-    rmBuffer2 = malloc(MAX_LINK_PLAYERS * POKE_NEWS_COUNT * sizeof(PokeNews));
+    rmBuffer2 = Alloc(MAX_LINK_PLAYERS * POKE_NEWS_COUNT * sizeof(PokeNews));
     if (rmBuffer2 != NULL)
     {
         for (i = 0; i < MAX_LINK_PLAYERS; i++)
@@ -3861,7 +3861,7 @@ void ReceivePokeNewsData(void *src, u32 size, u8 playersLinkId)
         }
         ClearInvalidPokeNews();
         ClearPokeNewsIfGameNotComplete();
-        free(rmBuffer2);
+        Free(rmBuffer2);
     }
 }
 
@@ -3966,7 +3966,7 @@ static void TranslateShowNames(TVShow *show, u32 language)
     int i;
     TVShow **shows;
 
-    shows = calloc(11, sizeof(TVShow *));
+    shows = AllocZeroed(sizeof(TVShow *) * 11);
     for (i = 0; i < LAST_TVSHOW_IDX; i++)
     {
         switch (show[i].common.kind)
@@ -4023,7 +4023,7 @@ static void TranslateShowNames(TVShow *show, u32 language)
             break;
         }
     }
-    free(shows);
+    Free(shows);
 }
 
 void SanitizeTVShowsForRuby(TVShow *shows)
diff --git a/src/union_room.c b/src/union_room.c
index 7d1417671..b47ddb41c 100644
--- a/src/union_room.c
+++ b/src/union_room.c
@@ -3365,12 +3365,12 @@ static void Task_InitUnionRoom(u8 taskId)
         }
         break;
     case 4:
-        free(data->spawnPlayer);
-        free(data->playerList);
-        free(data->incomingParentList);
-        free(data->incomingChildList);
+        Free(data->spawnPlayer);
+        Free(data->playerList);
+        Free(data->incomingParentList);
+        Free(data->incomingChildList);
         DestroyTask(data->searchTaskId);
-        free(sWirelessLinkMain.uRoom);
+        Free(sWirelessLinkMain.uRoom);
         LinkRfu_Shutdown();
         DestroyTask(taskId);
         break;