diff --git a/charmap.txt b/charmap.txt
index 7271c621ca..c26c07e78b 100644
--- a/charmap.txt
+++ b/charmap.txt
@@ -61,13 +61,6 @@ UP_ARROW    = 79
 DOWN_ARROW  = 7A
 LEFT_ARROW  = 7B
 RIGHT_ARROW = 7C
-@ Case-fixing/unfixing chars
-@ These are 1-2 pixel spaces in vanilla.
-@ 7D collides with 'ヲ' in JP,
-@ but that kana is practically unused in JP text.
-FIXED_CASE  = 7D
-UNFIX_CASE  = 7E
-
 SUPER_E     = 84
 '<'         = 85
 '>'         = 86
@@ -354,10 +347,6 @@ ARCHIE         = FD 0A
 MAXIE          = FD 0B
 KYOGRE         = FD 0C
 GROUDON        = FD 0D
-@ Like STR_VAR_X, but prepends CHAR_FIXED_CASE
-STR_VAR_1_FIXED  = FD 82
-STR_VAR_2_FIXED  = FD 83
-STR_VAR_3_FIXED  = FD 84
 
 @ battle string placeholders
 
diff --git a/data/text/pc_transfer.inc b/data/text/pc_transfer.inc
index 01fe80a426..3fa255340b 100644
--- a/data/text/pc_transfer.inc
+++ b/data/text/pc_transfer.inc
@@ -1,11 +1,11 @@
 gText_PkmnTransferredSomeonesPC::
-	.string "{STR_VAR_2_FIXED} was transferred to\n"
+	.string "{STR_VAR_2} was transferred to\n"
 	.string "SOMEONE'S PC.\p"
 	.string "It was placed in \n"
 	.string "BOX “{STR_VAR_1}.”$"
 
 gText_PkmnTransferredLanettesPC::
-	.string "{STR_VAR_2_FIXED} was transferred to\n"
+	.string "{STR_VAR_2} was transferred to\n"
 	.string "LANETTE'S PC.\p"
 	.string "It was placed in \n"
 	.string "BOX “{STR_VAR_1}.”$"
@@ -13,13 +13,13 @@ gText_PkmnTransferredLanettesPC::
 gText_PkmnTransferredSomeonesPCBoxFull::
 	.string "BOX “{STR_VAR_3}” on\n"
 	.string "SOMEONE'S PC was full.\p"
-	.string "{STR_VAR_2_FIXED} was transferred to\n"
+	.string "{STR_VAR_2} was transferred to\n"
 	.string "BOX “{STR_VAR_1}.”$"
 
 gText_PkmnTransferredLanettesPCBoxFull::
 	.string "BOX “{STR_VAR_3}” on\n"
 	.string "LANETTE'S PC was full.\p"
-	.string "{STR_VAR_2_FIXED} was transferred to\n"
+	.string "{STR_VAR_2} was transferred to\n"
 	.string "BOX “{STR_VAR_1}.”$"
 
 gText_NoMoreRoomForPokemon::
diff --git a/data/text/save.inc b/data/text/save.inc
index 4c16fd2fe6..4d17327c9b 100644
--- a/data/text/save.inc
+++ b/data/text/save.inc
@@ -7,14 +7,14 @@ gText_AlreadySavedFile::
 	.string "Is it okay to overwrite it?$"
 
 gText_SavingDontTurnOff::
-	.fixstr "SAVING…\n"
+	.string "SAVING…\n"
 	.string "DON'T TURN OFF THE POWER.$"
 
 gText_PlayerSavedGame::
 	.string "{PLAYER} saved the game.$"
 
 gText_DifferentSaveFile::
-	.string "{FIXED_CASE}WARNING!{UNFIX_CASE}\p"
+	.string "WARNING!\p"
 	.string "There is a different game file that\n"
 	.string "is already saved.\p"
 	.string "If you save now, the other file's\n"
@@ -29,5 +29,5 @@ gText_SaveError::
 	.string "backup memory.$"
 
 gText_SavingDontTurnOffPower::
-	.fixstr "SAVING…\n"
+	.string "SAVING…\n"
 	.string "DON'T TURN OFF THE POWER.$"
diff --git a/gflib/characters.h b/gflib/characters.h
index 3b00fa1eea..8ed440e63a 100644
--- a/gflib/characters.h
+++ b/gflib/characters.h
@@ -77,9 +77,6 @@
 #define CHAR_DOWN_ARROW        0x7A
 #define CHAR_LEFT_ARROW        0x7B
 #define CHAR_RIGHT_ARROW       0x7C
-// Case-fixing characters
-#define CHAR_FIXED_CASE        0x7D
-#define CHAR_UNFIX_CASE        0x7E
 //
 #define CHAR_SUPER_E           0x84
 #define CHAR_LESS_THAN         0x85
@@ -265,10 +262,6 @@
 #define PLACEHOLDER_ID_MAXIE         0xB
 #define PLACEHOLDER_ID_KYOGRE        0xC
 #define PLACEHOLDER_ID_GROUDON       0xD
-// Fixed-case placeholders
-// These behave the same as their (id & 0x7F),
-// but prepend CHAR_FIXED_CASE
-#define PLACEHOLDER_FIXED_MASK       0x80
 
 // battle placeholders are located in battle_message.h
 
diff --git a/gflib/string_util.c b/gflib/string_util.c
index 6720299a82..0fde2cb861 100644
--- a/gflib/string_util.c
+++ b/gflib/string_util.c
@@ -26,29 +26,11 @@ static const s32 sPowersOfTen[] =
     1000000000,
 };
 
-// Tries to determine whether `str` is safe to prepend a ctrl char to
-// gStringVarX are always safe, as well as stack allocated IWRAM
-// (if `length mod 4` is 1 or 2)
-bool32 IsStringAddrSafe(u8 *str, u32 length)
-{
-    if (((u32)str) >> 24 == 3)
-        return (str >= gStackBase && (length & 3) && (length & 3) <= 2);
-    return (str >= gStringVar1 && str < sUnknownStringVar);
-}
-
 u8 *StringCopy_Nickname(u8 *dest, const u8 *src)
 {
-    u32 i;
+    u8 i;
     u32 limit = POKEMON_NAME_LENGTH;
 
-    if (DECAP_ENABLED && !DECAP_NICKNAMES)
-    {
-        if (IsStringAddrSafe(dest, limit) && *src != CHAR_FIXED_CASE)
-            *dest++ = CHAR_FIXED_CASE;
-        else if (*src == CHAR_FIXED_CASE)
-            *dest++ = *src++;
-    }
-
     for (i = 0; i < limit; i++)
     {
         dest[i] = src[i];
@@ -66,9 +48,6 @@ u8 *StringGet_Nickname(u8 *str)
     u32 i;
     u32 limit = POKEMON_NAME_LENGTH;
 
-    if (DECAP_ENABLED && !DECAP_NICKNAMES && *str == CHAR_FIXED_CASE)
-        str++;
-
     for (i = 0; i < limit; i++)
         if (str[i] == EOS)
             return &str[i];
@@ -82,9 +61,6 @@ u8 *StringCopy_PlayerName(u8 *dest, const u8 *src)
     s32 i;
     s32 limit = PLAYER_NAME_LENGTH;
 
-    if (DECAP_ENABLED && !DECAP_NICKNAMES && IsStringAddrSafe(dest, limit) && *src != CHAR_FIXED_CASE)
-        *dest++ = CHAR_FIXED_CASE;
-
     for (i = 0; i < limit; i++)
     {
         dest[i] = src[i];
@@ -99,10 +75,6 @@ u8 *StringCopy_PlayerName(u8 *dest, const u8 *src)
 
 u8 *StringCopy(u8 *dest, const u8 *src)
 {
-    // If `src` is mirrored, prepend fixed-case char
-    if (DECAP_ENABLED && DECAP_MIRRORING && IsMirrorPtr(src) && *src != CHAR_FIXED_CASE)
-        *dest++ = CHAR_FIXED_CASE;
-
     while (*src != EOS)
     {
         *dest = *src;
@@ -152,14 +124,6 @@ u16 StringLength(const u8 *str)
 
 s32 StringCompare(const u8 *str1, const u8 *str2)
 {
-    // Ignore leading fixed-case char
-    if (DECAP_ENABLED)
-    {
-        if (*str1 == CHAR_FIXED_CASE)
-            str1++;
-        if (*str2 == CHAR_FIXED_CASE)
-            str2++;
-    }
     while (*str1 == *str2)
     {
         if (*str1 == EOS)
@@ -173,14 +137,6 @@ s32 StringCompare(const u8 *str1, const u8 *str2)
 
 s32 StringCompareN(const u8 *str1, const u8 *str2, u32 n)
 {
-    // Ignore leading fixed-case char
-    if (DECAP_ENABLED)
-    {
-        if (*str1 == CHAR_FIXED_CASE)
-            str1++;
-        if (*str2 == CHAR_FIXED_CASE)
-            str2++;
-    }
     while (*str1 == *str2)
     {
         if (*str1 == EOS)
@@ -379,7 +335,6 @@ u8 *ConvertIntToHexStringN(u8 *dest, s32 value, enum StringConvertMode mode, u8
 
 u8 *StringExpandPlaceholders(u8 *dest, const u8 *src)
 {
-    bool32 fixedCase = FALSE;
     for (;;)
     {
         u8 c = *src++;
@@ -390,20 +345,7 @@ u8 *StringExpandPlaceholders(u8 *dest, const u8 *src)
         {
         case PLACEHOLDER_BEGIN:
             placeholderId = *src++;
-            if (DECAP_ENABLED)
-            {
-                // Handle fixed-case versions of placeholders
-                if (!fixedCase && (placeholderId & PLACEHOLDER_FIXED_MASK || placeholderId == PLACEHOLDER_ID_PLAYER))
-                {
-                    *dest++ = CHAR_FIXED_CASE;
-                    expandedString = GetExpandedPlaceholder(placeholderId & ~PLACEHOLDER_FIXED_MASK);
-                    dest = StringExpandPlaceholders(dest, expandedString);
-                    *dest++ = CHAR_UNFIX_CASE;
-                    *dest = EOS;
-                    break;
-                }
-            }
-            expandedString = GetExpandedPlaceholder(placeholderId & ~PLACEHOLDER_FIXED_MASK);
+            expandedString = GetExpandedPlaceholder(placeholderId);
             dest = StringExpandPlaceholders(dest, expandedString);
             break;
         case EXT_CTRL_CODE_BEGIN:
@@ -430,19 +372,8 @@ u8 *StringExpandPlaceholders(u8 *dest, const u8 *src)
             }
             break;
         case EOS:
-            if (DECAP_ENABLED && fixedCase)
-                *dest++ = CHAR_UNFIX_CASE;
             *dest = EOS;
             return dest;
-        #if DECAP_ENABLED
-        case CHAR_UNFIX_CASE:
-            fixedCase = FALSE;
-            *dest++ = c;
-            break;
-        case CHAR_FIXED_CASE:
-            fixedCase = TRUE;
-        // fallthrough
-        #endif
         case CHAR_PROMPT_SCROLL:
         case CHAR_PROMPT_CLEAR:
         case CHAR_NEWLINE:
@@ -769,9 +700,6 @@ static const u8 *SkipExtCtrlCode(const u8 *s)
         s += GetExtCtrlCodeLength(*s);
     }
 
-    while (DECAP_ENABLED && (*s == CHAR_FIXED_CASE || *s == CHAR_UNFIX_CASE))
-        s++;
-
     return s;
 }
 
diff --git a/gflib/string_util.h b/gflib/string_util.h
index 75d2ada0a3..9e5dfffd57 100644
--- a/gflib/string_util.h
+++ b/gflib/string_util.h
@@ -13,7 +13,6 @@ enum StringConvertMode
     STR_CONV_MODE_LEADING_ZEROS
 };
 
-bool32 IsStringAddrSafe(u8 *ptr, u32 length);
 u8 *StringCopy_Nickname(u8 *dest, const u8 *src);
 u8 *StringGet_Nickname(u8 *str);
 u8 *StringCopy_PlayerName(u8 *dest, const u8 *src);
diff --git a/gflib/text.c b/gflib/text.c
index cc6a6e90f2..20927e4f80 100644
--- a/gflib/text.c
+++ b/gflib/text.c
@@ -241,35 +241,6 @@ static void SetFontsPointer(const struct FontInfo *fonts)
     gFonts = fonts;
 }
 
-// Any ROM address must have bit 27 set (0x8000000)
-// so this is used to check if a pointer points to ROM
-#define IS_ROM_PTR(ptr) (((u32)ptr) >> 27)
-
-void * MirrorPtr(const void *ptr)
-{
-    if (IS_ROM_PTR(ptr)) // ROM
-        return ROM_MIRROR_PTR(ptr);
-    else // RAM
-        return RAM_MIRROR_PTR(ptr);
-}
-
-void * UnmirrorPtr(const void *ptr)
-{
-    u32 value = (u32) ptr;
-    if (IS_ROM_PTR(ptr)) // ROM
-        return (void*)(value & ~ROM_MIRROR_MASK);
-    else // RAM
-        return (void*)(value & ~RAM_MIRROR_MASK);
-}
-
-bool32 IsMirrorPtr(const void *ptr)
-{
-    if (IS_ROM_PTR(ptr))
-        return ((u32)ptr) & ROM_MIRROR_MASK;
-    else
-        return ((u32)ptr) & RAM_MIRROR_MASK;
-}
-
 void DeactivateAllTextPrinters(void)
 {
     int printer;
@@ -297,11 +268,6 @@ u16 AddTextPrinterParameterized(u8 windowId, u8 fontId, const u8 *str, u8 x, u8
     return AddTextPrinter(&printerTemplate, speed, callback);
 }
 
-u16 AddTextPrinterFixedCaseParameterized(u8 windowId, u8 fontId, const u8 *str, u8 x, u8 y, u8 speed, void (*callback)(struct TextPrinterTemplate *, u16))
-{
-    return AddTextPrinterParameterized(windowId, fontId, MirrorPtr(str), x, y, speed, callback);
-}
-
 bool32 AddTextPrinter(struct TextPrinterTemplate *printerTemplate, u8 speed, void (*callback)(struct TextPrinterTemplate *, u16))
 {
     int i;
@@ -315,16 +281,6 @@ bool32 AddTextPrinter(struct TextPrinterTemplate *printerTemplate, u8 speed, voi
     sTempTextPrinter.textSpeed = speed;
     sTempTextPrinter.delayCounter = 0;
     sTempTextPrinter.scrollDistance = 0;
-    if (DECAP_ENABLED)
-    {
-        // string address is mirrored; treat it as a fixed-case string
-        // Technically, unmirroring isn't necessary;
-        // but older emulators may not support mirroring
-        // printerTemplate->currentChar = UnmirrorPtr(printerTemplate->currentChar);
-        if (DECAP_MIRRORING && IsMirrorPtr(printerTemplate->currentChar))
-            sTempTextPrinter.lastChar = CHAR_FIXED_CASE;
-        sTempTextPrinter.lastChar = 0;
-    }
 
     for (i = 0; i < (int)ARRAY_COUNT(sTempTextPrinter.subStructFields); i++)
         sTempTextPrinter.subStructFields[i] = 0;
@@ -975,30 +931,10 @@ void DrawDownArrow(u8 windowId, u16 x, u16 y, u8 bgColor, bool32 drawArrow, u8 *
     }
 }
 
-// if table[char] & 0xFF == 0, character is not uppercase
-const u16 gLowercaseDiffTable[] = {
-    // English
-    [CHAR_SPACE]                            = 0,
-    [CHAR_SPACER]                           = 0,
-    [CHAR_A ... CHAR_Z]                     = CHAR_a - CHAR_A,
-    // é treated as uppercase so POKéDEX, POKéMON, etc. decapped
-    [CHAR_e_ACUTE]                          = 0 | MARK_UPPER_FLAG,
-    [CHAR_SGL_QUOTE_RIGHT]                  = 0 | MARK_UPPER_FLAG,
-    // International
-    [CHAR_A_GRAVE ... CHAR_A_ACUTE]         = CHAR_a_GRAVE - CHAR_A_GRAVE,
-    [CHAR_A_CIRCUMFLEX]                     = CHAR_a_CIRCUMFLEX,
-    [CHAR_C_CEDILLA ... CHAR_I_GRAVE]       = CHAR_c_CEDILLA - CHAR_C_CEDILLA,
-    [CHAR_I_ACUTE]                          = CHAR_i_ACUTE,
-    [CHAR_I_CIRCUMFLEX ... CHAR_N_TILDE]    = CHAR_i_CIRCUMFLEX - CHAR_I_CIRCUMFLEX,
-    [CHAR_A_DIAERESIS ... CHAR_U_DIAERESIS] = CHAR_a_DIAERESIS - CHAR_A_DIAERESIS,
-    [EOS]                                   = 0,
-};
-
 static u16 RenderText(struct TextPrinter *textPrinter)
 {
     struct TextPrinterSubStruct *subStruct = (struct TextPrinterSubStruct *)(&textPrinter->subStructFields);
-    u32 currChar;
-    u32 lastChar;
+    u16 currChar;
     s32 width;
     s32 widthHelper;
 
@@ -1026,12 +962,6 @@ static u16 RenderText(struct TextPrinter *textPrinter)
 
         currChar = *textPrinter->printerTemplate.currentChar;
         textPrinter->printerTemplate.currentChar++;
-        if (DECAP_ENABLED)
-        {
-            lastChar = textPrinter->lastChar;
-            if (lastChar != CHAR_FIXED_CASE)
-                textPrinter->lastChar = currChar;
-        }
 
         switch (currChar)
         {
@@ -1187,47 +1117,7 @@ static u16 RenderText(struct TextPrinter *textPrinter)
             textPrinter->printerTemplate.currentX += gCurGlyph.width + textPrinter->printerTemplate.letterSpacing;
             return RENDER_PRINT;
         case EOS:
-            if (DECAP_ENABLED)
-                // Clear fixed case
-                textPrinter->lastChar = currChar;
             return RENDER_FINISH;
-    #if DECAP_ENABLED
-        // Disable/enable decapitalization
-        // In vanilla these are 1-2 pixel spaces
-        case CHAR_FIXED_CASE:
-        case CHAR_UNFIX_CASE:
-            textPrinter->lastChar = currChar;
-            if (!textPrinter->japanese)
-                return RENDER_REPEAT;
-            break;
-        // common decap exceptions
-        case CHAR_V:
-            if (lastChar == CHAR_T) // TV
-                lastChar = 0;
-            break;
-        case CHAR_M:
-            if (lastChar == CHAR_T) { // TM
-                lastChar = 0;
-                break;
-            }
-        case CHAR_P:
-            if (lastChar == CHAR_H) { // HP, HM
-                lastChar = 0;
-                break;
-            }
-        case CHAR_C:
-            if (lastChar == CHAR_P) // PC, PP, PM
-                lastChar = 0;
-            break;
-    #endif
-        }
-
-        // If not Japanese or fixed case, try to decap
-        if (DECAP_ENABLED && !textPrinter->japanese && lastChar != CHAR_FIXED_CASE)
-        {
-            // Two consecutive uppercase chars; lowercase this one
-            if (IS_UPPER(currChar) && IS_UPPER(lastChar))
-                currChar = TO_LOWER(currChar);
         }
 
         switch (subStruct->fontId)
diff --git a/gflib/text.h b/gflib/text.h
index 7e1d7bfb11..76d140d86c 100644
--- a/gflib/text.h
+++ b/gflib/text.h
@@ -7,14 +7,6 @@
 // loaded at once but not copied to vram yet.
 #define TEXT_SKIP_DRAW 0xFF
 
-// See include/config/decap.h for decap configuration
-#if DECAP_MIRRORING
-#define ROM_MIRROR_MASK (0x02000000)
-#define RAM_MIRROR_MASK (0x00800000)
-#define ROM_MIRROR_PTR(x) ((void*)(((u32)(x)) | ROM_MIRROR_MASK))
-#define RAM_MIRROR_PTR(x) ((void*)(((u32)(x)) | RAM_MIRROR_MASK))
-#endif
-
 enum {
     FONT_SMALL,
     FONT_NORMAL,
@@ -100,7 +92,6 @@ struct TextPrinter
     u8 scrollDistance;
     u8 minLetterSpacing;  // 0x20
     u8 japanese;
-    u8 lastChar; // used to determine whether to decap strings
 };
 
 struct FontInfo
@@ -144,19 +135,6 @@ extern TextFlags gTextFlags;
 extern u8 gDisableTextPrinters;
 extern struct TextGlyph gCurGlyph;
 
-extern const u16 gLowercaseDiffTable[];
-// in gLowercaseDiffTable, 0x100 represents a character treated as uppercase,
-// but that maps to itself; only the lower 8 bits are used for mapping
-#define MARK_UPPER_FLAG 0x100
-#define LOWERCASE_DIFF_MASK 0xFF
-#define IS_UPPER(x) (gLowercaseDiffTable[(x) & LOWERCASE_DIFF_MASK])
-#define TO_LOWER(x) (((x) + gLowercaseDiffTable[(x)]) & LOWERCASE_DIFF_MASK)
-
-void * UnmirrorPtr(const void * ptr);
-void * MirrorPtr(const void * ptr);
-bool32 IsMirrorPtr(const void *ptr);
-u16 AddTextPrinterFixedCaseParameterized(u8 windowId, u8 fontId, const u8 *str, u8 x, u8 y, u8 speed, void (*callback)(struct TextPrinterTemplate *, u16));
-
 void DeactivateAllTextPrinters(void);
 u16 AddTextPrinterParameterized(u8 windowId, u8 fontId, const u8 *str, u8 x, u8 y, u8 speed, void (*callback)(struct TextPrinterTemplate *, u16));
 bool32 AddTextPrinter(struct TextPrinterTemplate *template, u8 speed, void (*callback)(struct TextPrinterTemplate *, u16));
diff --git a/include/config/decap.h b/include/config/decap.h
deleted file mode 100644
index 60168d0a27..0000000000
--- a/include/config/decap.h
+++ /dev/null
@@ -1,35 +0,0 @@
-#ifndef GUARD_CONFIG_DECAP_H
-#define GUARD_CONFIG_DECAP_H
-
-/*
-Enable automatic decapitalization of *all* text
-Exceptions:
-- Several bigrams: TV, TM, HP, HM, PC, PP, PM
-- Player names, nicknames, box names
-- Strings beginning with {FIXED_CASE}
-- C strings that use `_C` or `__C`
-- ASM strings that use `.fixstr`
-- If mirroring enabled, string addresses passed through MirrorPtr
-*/
-#define DECAP_ENABLED FALSE
-// Enables signaling that a string's case should be preserved
-// by *mirroring* its address: i.e 08xxxxxx to 0Axxxxxx
-// Unless you are targeting a different platform than the GBA,
-// there aren't many reasons to disable this
-#define DECAP_MIRRORING TRUE
-
-// If TRUE, *all* Pokemon nicknames and player names will be decapitalized.
-// Otherwise, their case will be preserved. Default FALSE
-#define DECAP_NICKNAMES     FALSE
-
-#define DECAP_MAIN_MENU     TRUE // Main menu text.
-#define DECAP_OPTION_MENU   TRUE // Option menu text.
-#define DECAP_START_MENU    TRUE // Start menu options & Save menu text.
-#define DECAP_PARTY_MENU    TRUE // Party menu text.
-#define DECAP_MAP_NAMES     TRUE // Map and location names.
-#define DECAP_EASY_CHAT     TRUE // Easy Chat words and interface.
-#define DECAP_FIELD_MSG     TRUE // Field messages (including scripts!).
-#define DECAP_SUMMARY       TRUE // Summary interface text.
-#define DECAP_ITEM_NAMES    TRUE // Item names (obtained via ItemId_GetName).
-
-#endif // GUARD_CONFIG_DECAP_H
diff --git a/include/constants/global.h b/include/constants/global.h
index bcbf37e2d7..b6d553f8c9 100644
--- a/include/constants/global.h
+++ b/include/constants/global.h
@@ -7,7 +7,6 @@
 #include "config/level_caps.h"
 #include "config/pokemon.h"
 #include "config/overworld.h"
-#include "config/decap.h"
 
 // Invalid Versions show as "----------" in Gen 4 and Gen 5's summary screen.
 // In Gens 6 and 7, invalid versions instead show "a distant land" in the summary screen.
diff --git a/include/global.h b/include/global.h
index 83bff49c0c..7db040697d 100644
--- a/include/global.h
+++ b/include/global.h
@@ -32,9 +32,6 @@
 // We define these when using certain IDEs to fool preproc
 #define _(x)        {x}
 #define __(x)       {x}
-// Like the above, but prepends a fixed-case character
-#define _C(x)       {x}
-#define __C(x)      {x}
 #define INCBIN(...) {0}
 #define INCBIN_U8   INCBIN
 #define INCBIN_U16  INCBIN
@@ -1094,6 +1091,4 @@ struct MapPosition
     s8 elevation;
 };
 
-extern u8 gStackBase[]; // Start of stack-allocated IWRAM
-
 #endif // GUARD_GLOBAL_H
diff --git a/ld_script.ld b/ld_script.ld
index f54272499c..e9cbae8957 100644
--- a/ld_script.ld
+++ b/ld_script.ld
@@ -56,7 +56,6 @@ SECTIONS {
         /* COMMON starts at 0x30022A8 */
         INCLUDE "sym_common.ld"
         *libc.a:sbrkr.o(COMMON);
-        gStackBase = .;
     } > IWRAM
 
     /* BEGIN ROM DATA */
diff --git a/ld_script_modern.ld b/ld_script_modern.ld
index d5724ebf84..fd35a1ca31 100644
--- a/ld_script_modern.ld
+++ b/ld_script_modern.ld
@@ -52,7 +52,6 @@ SECTIONS {
         gflib/*.o(COMMON);
         *libc.a:*.o(COMMON);
         *libnosys.a:*.o(COMMON);
-        gStackBase = .;
     } > IWRAM
 
     /* BEGIN ROM DATA */
diff --git a/ld_script_test.ld b/ld_script_test.ld
index e05971dfde..ec99609a7e 100644
--- a/ld_script_test.ld
+++ b/ld_script_test.ld
@@ -55,7 +55,6 @@ SECTIONS {
         data/*.o(COMMON);
         test/*.o(COMMON);
         *libc.a:sbrkr.o(COMMON);
-        gStackBase = .;
 
 	/* .persistent starts at 0x3007F00 */
 	/* WARNING: This is the end of the IRQ stack, if there's too
diff --git a/src/battle_message.c b/src/battle_message.c
index a54aba645e..0da0cba0e7 100644
--- a/src/battle_message.c
+++ b/src/battle_message.c
@@ -3182,13 +3182,6 @@ static const u8 *BattleStringGetPlayerName(u8 *text, u8 battler)
         break;
     }
 
-    if (DECAP_ENABLED && !DECAP_NICKNAMES && toCpy != text && *toCpy != CHAR_FIXED_CASE)
-    {
-        *text = CHAR_FIXED_CASE;
-        StringCopyN(text+1, toCpy, PLAYER_NAME_LENGTH + 1);
-        toCpy = text;
-    }
-
     return toCpy;
 }
 
@@ -3245,7 +3238,7 @@ u32 BattleStringExpandPlaceholders(const u8 *src, u8 *dst)
         if (*src == PLACEHOLDER_BEGIN)
         {
             src++;
-            switch (*src & ~PLACEHOLDER_FIXED_MASK)
+            switch (*src)
             {
             case B_TXT_BUFF1:
                 if (gBattleTextBuff1[0] == B_BUFF_PLACEHOLDER_BEGIN)
@@ -3620,28 +3613,11 @@ u32 BattleStringExpandPlaceholders(const u8 *src, u8 *dst)
 
             if (toCpy != NULL)
             {
-                if (DECAP_ENABLED)
+                while (*toCpy != EOS)
                 {
-                    bool32 fixedCase = *src & PLACEHOLDER_FIXED_MASK;
-
-                    if (fixedCase)
-                        dst[dstID++] = CHAR_FIXED_CASE;
-
-                    while (*toCpy != EOS)
-                    {
-                        if (*toCpy == CHAR_FIXED_CASE)
-                            fixedCase = TRUE;
-                        else if (*toCpy == CHAR_UNFIX_CASE)
-                            fixedCase = FALSE;
-                        dst[dstID++] = *toCpy++;
-                    }
-                    if (fixedCase)
-                        dst[dstID++] = CHAR_UNFIX_CASE;
-                }
-                else
-                {
-                    while (*toCpy != EOS)
-                        dst[dstID++] = *toCpy++;
+                    dst[dstID] = *toCpy;
+                    dstID++;
+                    toCpy++;
                 }
             }
 
diff --git a/src/easy_chat.c b/src/easy_chat.c
index dbdd80be63..ce3b4fe907 100644
--- a/src/easy_chat.c
+++ b/src/easy_chat.c
@@ -3954,8 +3954,6 @@ static void PrintTitle(void)
 
 static void PrintEasyChatText(u8 windowId, u8 fontId, const u8 *str, u8 x, u8 y, u8 speed, void (*callback)(struct TextPrinterTemplate *, u16))
 {
-    if (DECAP_ENABLED && DECAP_MIRRORING && !DECAP_EASY_CHAT)
-        str = MirrorPtr(str);
     AddTextPrinterParameterized(windowId, fontId, str, x, y, speed, callback);
 }
 
@@ -5242,9 +5240,6 @@ u8 *ConvertEasyChatWordsToString(u8 *dest, const u16 *src, u16 columns, u16 rows
     u16 i, j;
     u16 numColumns = columns - 1;
 
-    if (DECAP_ENABLED && !DECAP_EASY_CHAT)
-        *dest++ = CHAR_FIXED_CASE;
-
     for (i = 0; i < rows; i++)
     {
         for (j = 0; j < numColumns; j++)
diff --git a/src/field_message_box.c b/src/field_message_box.c
index 46f0f2898d..b797e1d353 100755
--- a/src/field_message_box.c
+++ b/src/field_message_box.c
@@ -117,15 +117,7 @@ bool8 ShowFieldMessageFromBuffer(void)
 
 static void ExpandStringAndStartDrawFieldMessage(const u8 *str, bool32 allowSkippingDelayWithButtonPress)
 {
-    if (DECAP_ENABLED && DECAP_MIRRORING && !DECAP_FIELD_MSG)
-    {
-        gStringVar4[0] = CHAR_FIXED_CASE;
-        StringExpandPlaceholders(gStringVar4+1, str);
-    }
-    else
-    {
-        StringExpandPlaceholders(gStringVar4, str);
-    }
+    StringExpandPlaceholders(gStringVar4, str);
     AddTextPrinterForMessage(allowSkippingDelayWithButtonPress);
     CreateTask_DrawFieldMessage();
 }
diff --git a/src/fonts.c b/src/fonts.c
index 72de054b73..381fd795e9 100644
--- a/src/fonts.c
+++ b/src/fonts.c
@@ -9,7 +9,7 @@ ALIGNED(4) const u8 gFontSmallNarrowLatinGlyphWidths[] = {
     3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,
     5,  5,  3,  8,  8,  8,  8,  8,  8,  8,  4,  5,  4,  4,  3,  3,
     3,  3,  3,  3,  3,  3,  3,  3,  5,  3,  3,  3,  3,  3,  3,  4,
-    3,  3,  3,  3,  3,  3,  3,  5,  3,  8,  8,  8,  8,  0,  0,  3,
+    3,  3,  3,  3,  3,  3,  3,  5,  3,  8,  8,  8,  8,  1,  2,  3,
     4,  5,  6,  7,  5,  5,  5,  3,  3,  3,  3,  3,  3,  3,  3,  3,
     3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,
     7,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  4,  5,  3,  5,  5,
@@ -45,7 +45,7 @@ ALIGNED(4) const u8 gFontSmallLatinGlyphWidths[] = {
     3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,
     5,  5,  5,  8,  8,  8,  8,  8,  8,  8,  4,  7,  5,  5,  3,  3,
     3,  3,  3,  3,  3,  3,  3,  3,  5,  3,  3,  3,  3,  3,  3,  4,
-    3,  3,  3,  3,  3,  3,  3,  5,  3,  8,  8,  8,  8,  0,  0,  3,
+    3,  3,  3,  3,  3,  3,  3,  5,  3,  8,  8,  8,  8,  1,  2,  3,
     4,  5,  6,  7,  5,  7,  7,  3,  3,  3,  3,  3,  3,  3,  3,  3,
     3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,
     8,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  4,  5,  5,  5,  5,
@@ -81,7 +81,7 @@ ALIGNED(4) const u8 gFontNarrowLatinGlyphWidths[] = {
     3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,
     5,  5,  4,  8,  8,  8,  7,  8,  8,  4,  4,  6,  4,  4,  3,  3,
     3,  3,  3,  3,  3,  3,  3,  3,  5,  3,  3,  3,  3,  3,  3,  4,
-    3,  3,  3,  3,  3,  3,  3,  5,  3,  7,  7,  7,  7,  0,  0,  3,
+    3,  3,  3,  3,  3,  3,  3,  5,  3,  7,  7,  7,  7,  1,  2,  3,
     4,  5,  6,  7,  5,  6,  6,  3,  3,  3,  3,  3,  3,  3,  3,  3,
     3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,
     8,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  4,  5,  3,  5,  3,
@@ -117,7 +117,7 @@ ALIGNED(4) const u8 gFontShortLatinGlyphWidths[] = {
     3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,
     6,  6,  6,  8,  8,  8,  8,  8,  8,  4,  6,  8,  5,  5,  3,  3,
     3,  3,  3,  3,  3,  3,  3,  3,  6,  3,  3,  3,  3,  3,  3,  6,
-    3,  3,  3,  3,  3,  3,  3,  6,  3, 12, 12, 12, 12,  0,  0,  3,
+    3,  3,  3,  3,  3,  3,  3,  6,  3, 12, 12, 12, 12,  1,  2,  3,
     4,  5,  6,  7,  8,  8,  8,  3,  3,  3,  3,  3,  3,  3,  3,  3,
     3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,
     8,  6,  6,  6,  6,  6,  6,  6,  6,  6,  6,  6,  6,  5,  6,  5,
@@ -153,7 +153,7 @@ ALIGNED(4) const u8 gFontNormalLatinGlyphWidths[] = {
     3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,
     6,  6,  4,  8,  8,  8,  7,  8,  8,  4,  6,  6,  4,  4,  3,  3,
     3,  3,  3,  3,  3,  3,  3,  3,  6,  3,  3,  3,  3,  3,  3,  6,
-    3,  3,  3,  3,  3,  3,  3,  6,  3,  7,  7,  7,  7,  0,  0,  3,
+    3,  3,  3,  3,  3,  3,  3,  6,  3,  7,  7,  7,  7,  1,  2,  3,
     4,  5,  6,  7,  6,  6,  6,  3,  3,  3,  3,  3,  3,  3,  3,  3,
     3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,
     8,  6,  6,  6,  6,  6,  6,  6,  6,  6,  6,  4,  6,  3,  6,  3,
diff --git a/src/item.c b/src/item.c
index c9318ee4a7..3fcafccc02 100644
--- a/src/item.c
+++ b/src/item.c
@@ -848,10 +848,7 @@ static u16 SanitizeItemId(u16 itemId)
 
 const u8 *ItemId_GetName(u16 itemId)
 {
-    if (DECAP_ENABLED && DECAP_MIRRORING && !DECAP_ITEM_NAMES)
-        return ROM_MIRROR_PTR(gItemsInfo[SanitizeItemId(itemId)].name);
-    else
-        return gItemsInfo[SanitizeItemId(itemId)].name;
+    return gItemsInfo[SanitizeItemId(itemId)].name;
 }
 
 u32 ItemId_GetPrice(u16 itemId)
diff --git a/src/main.c b/src/main.c
index 32e103b6e8..4bd9816398 100644
--- a/src/main.c
+++ b/src/main.c
@@ -93,14 +93,7 @@ void AgbMain()
 {
     *(vu16 *)BG_PLTT = RGB_WHITE; // Set the backdrop to white on startup
     InitGpuRegManager();
-    // Setup waitstates for all ROM mirrors
-    if (DECAP_ENABLED && DECAP_MIRRORING)
-        REG_WAITCNT = WAITCNT_PREFETCH_ENABLE
-            | WAITCNT_WS0_S_1 | WAITCNT_WS0_N_3
-            | WAITCNT_WS1_S_1 | WAITCNT_WS1_N_3
-            | WAITCNT_WS2_S_1 | WAITCNT_WS2_N_3;
-    else
-        REG_WAITCNT = WAITCNT_PREFETCH_ENABLE | WAITCNT_WS0_S_1 | WAITCNT_WS0_N_3;
+    REG_WAITCNT = WAITCNT_PREFETCH_ENABLE | WAITCNT_WS0_S_1 | WAITCNT_WS0_N_3;
     InitKeys();
     InitIntrHandlers();
     m4aSoundInit();
diff --git a/src/main_menu.c b/src/main_menu.c
index 6a225bf97d..c1f092b2ca 100644
--- a/src/main_menu.c
+++ b/src/main_menu.c
@@ -163,11 +163,6 @@
  *  - Destroys itself when done.
  */
 
-#if (DECAP_ENABLED) && (DECAP_MIRRORING) && !(DECAP_MAIN_MENU)
-#define AddTextPrinterParameterized3(a, b, c, d, e, f, str) AddTextPrinterParameterized3(a, b, c, d, e, f, MirrorPtr(str))
-#endif
-
-
 #define OPTION_MENU_FLAG (1 << 15)
 
 // Static type declarations
diff --git a/src/naming_screen.c b/src/naming_screen.c
index 848e5b1a48..0f2e2dbb7f 100644
--- a/src/naming_screen.c
+++ b/src/naming_screen.c
@@ -1856,18 +1856,7 @@ static void SaveInputText(void)
     {
         if (sNamingScreen->textBuffer[i] != CHAR_SPACE && sNamingScreen->textBuffer[i] != EOS)
         {
-            // If there is space, prepend fixed-case character
-            if (DECAP_ENABLED && !DECAP_NICKNAMES
-             && (sNamingScreen->templateNum == NAMING_SCREEN_PLAYER
-                || sNamingScreen->templateNum == NAMING_SCREEN_NICKNAME
-                || sNamingScreen->templateNum == NAMING_SCREEN_CAUGHT_MON)
-             && sNamingScreen->textBuffer[GetTextEntryPosition()] == EOS)
-            {
-                *sNamingScreen->destBuffer = CHAR_FIXED_CASE;
-                StringCopyN(sNamingScreen->destBuffer + 1, sNamingScreen->textBuffer, sNamingScreen->template->maxChars + 0);
-            }
-            else
-                StringCopyN(sNamingScreen->destBuffer, sNamingScreen->textBuffer, sNamingScreen->template->maxChars + 1);
+            StringCopyN(sNamingScreen->destBuffer, sNamingScreen->textBuffer, sNamingScreen->template->maxChars + 1);
             break;
         }
     }
@@ -2595,3 +2584,5 @@ static const struct SpritePalette sSpritePalettes[] =
     {gNamingScreenMenu_Pal[4], PALTAG_OK_BUTTON},
     {}
 };
+
+
diff --git a/src/option_menu.c b/src/option_menu.c
index 273353c22b..fda3a24c47 100644
--- a/src/option_menu.c
+++ b/src/option_menu.c
@@ -24,11 +24,6 @@
 #define tButtonMode data[5]
 #define tWindowFrameType data[6]
 
-#if (DECAP_ENABLED) && (DECAP_MIRRORING) && !(DECAP_OPTION_MENU)
-#define AddTextPrinterParameterized3(a, b, c, d, e, f, str) AddTextPrinterParameterized3(a, b, c, d, e, f, MirrorPtr(str))
-#define AddTextPrinterParameterized4(a, b, c, d, e, f, g, h, str) AddTextPrinterParameterized4(a, b, c, d, e, f, g, h, MirrorPtr(str))
-#endif
-
 enum
 {
     MENUITEM_TEXTSPEED,
diff --git a/src/party_menu.c b/src/party_menu.c
index 6b5926bdc0..7a14d0fb72 100644
--- a/src/party_menu.c
+++ b/src/party_menu.c
@@ -75,12 +75,6 @@
 #include "constants/rgb.h"
 #include "constants/songs.h"
 
-#if (DECAP_ENABLED) && (DECAP_MIRRORING) && !(DECAP_PARTY_MENU)
-#define gStringVar4 (MirrorPtr(gStringVar4))
-#define AddTextPrinterParameterized4(a, b, c, d, e, f, g, h, str) (AddTextPrinterParameterized4(a, b, c, d, e, f, g, h, MirrorPtr(str)))
-#define AddTextPrinterParameterized3(a, b, c, d, e, f, str) AddTextPrinterParameterized3(a, b, c, d, e, f, MirrorPtr(str))
-#endif
-
 enum {
     MENU_SUMMARY,
     MENU_SWITCH,
@@ -2752,10 +2746,7 @@ static void PrintMessage(const u8 *text)
 {
     DrawStdFrameWithCustomTileAndPalette(WIN_MSG, FALSE, 0x4F, 13);
     gTextFlags.canABSpeedUpPrint = TRUE;
-    if (DECAP_ENABLED && DECAP_MIRRORING && !DECAP_PARTY_MENU)
-        AddTextPrinterParameterized2(WIN_MSG, FONT_NORMAL, MirrorPtr(text), GetPlayerTextSpeedDelay(), 0, TEXT_COLOR_DARK_GRAY, TEXT_COLOR_WHITE, TEXT_COLOR_LIGHT_GRAY);
-    else
-        AddTextPrinterParameterized2(WIN_MSG, FONT_NORMAL, text, GetPlayerTextSpeedDelay(), 0, TEXT_COLOR_DARK_GRAY, TEXT_COLOR_WHITE, TEXT_COLOR_LIGHT_GRAY);
+    AddTextPrinterParameterized2(WIN_MSG, FONT_NORMAL, text, GetPlayerTextSpeedDelay(), 0, TEXT_COLOR_DARK_GRAY, TEXT_COLOR_WHITE, TEXT_COLOR_LIGHT_GRAY);
 }
 
 static void PartyMenuDisplayYesNoMenu(void)
diff --git a/src/pokemon.c b/src/pokemon.c
index e7db64cd9a..b02eb87d93 100644
--- a/src/pokemon.c
+++ b/src/pokemon.c
@@ -2204,8 +2204,6 @@ u32 GetBoxMonData3(struct BoxPokemon *boxMon, s32 field, u8 *data)
             }
             else
             {
-                if (DECAP_ENABLED && !DECAP_NICKNAMES && IsStringAddrSafe(data, POKEMON_NAME_LENGTH))
-                        *data++ = CHAR_FIXED_CASE;
                 retVal = 0;
                 while (retVal < min(sizeof(boxMon->nickname), POKEMON_NAME_LENGTH))
                 {
@@ -2574,8 +2572,6 @@ u32 GetBoxMonData3(struct BoxPokemon *boxMon, s32 field, u8 *data)
             break;
         case MON_DATA_OT_NAME:
         {
-            if (DECAP_ENABLED && !DECAP_NICKNAMES && IsStringAddrSafe(data, PLAYER_NAME_LENGTH))
-                *data++ = CHAR_FIXED_CASE;
             retVal = 0;
 
             while (retVal < PLAYER_NAME_LENGTH)
diff --git a/src/pokemon_storage_system.c b/src/pokemon_storage_system.c
index 8f981ed854..88a7dee20e 100644
--- a/src/pokemon_storage_system.c
+++ b/src/pokemon_storage_system.c
@@ -5548,10 +5548,7 @@ static void InitBoxTitle(u8 boxId)
     sStorage->wallpaperPalBits |= (1 << 16) << tagIndex;
 
     StringCopyPadded(sStorage->boxTitleText, GetBoxNamePtr(boxId), 0, BOX_NAME_LENGTH);
-    if (DECAP_ENABLED && DECAP_MIRRORING)
-        DrawTextWindowAndBufferTiles(MirrorPtr(sStorage->boxTitleText), sStorage->boxTitleTiles, 0, 0, 2);
-    else
-        DrawTextWindowAndBufferTiles(sStorage->boxTitleText, sStorage->boxTitleTiles, 0, 0, 2);
+    DrawTextWindowAndBufferTiles(sStorage->boxTitleText, sStorage->boxTitleTiles, 0, 0, 2);
     LoadSpriteSheet(&spriteSheet);
     x = GetBoxTitleBaseX(GetBoxNamePtr(boxId));
 
@@ -9609,10 +9606,7 @@ struct BoxPokemon *GetBoxedMonPtr(u8 boxId, u8 boxPosition)
 u8 *GetBoxNamePtr(u8 boxId)
 {
     if (boxId < TOTAL_BOXES_COUNT)
-        if (DECAP_ENABLED && DECAP_MIRRORING)
-            return MirrorPtr(gPokemonStoragePtr->boxNames[boxId]);
-        else
-            return gPokemonStoragePtr->boxNames[boxId];
+        return gPokemonStoragePtr->boxNames[boxId];
     else
         return NULL;
 }
diff --git a/src/pokemon_summary_screen.c b/src/pokemon_summary_screen.c
index f5c2e7f6b7..d47d5d7f27 100644
--- a/src/pokemon_summary_screen.c
+++ b/src/pokemon_summary_screen.c
@@ -2797,10 +2797,7 @@ static void ResetWindows(void)
 
 static void PrintTextOnWindow(u8 windowId, const u8 *string, u8 x, u8 y, u8 lineSpacing, u8 colorId)
 {
-    if (DECAP_ENABLED && DECAP_MIRRORING && !DECAP_SUMMARY)
-        AddTextPrinterParameterized4(windowId, FONT_NORMAL, x, y, 0, lineSpacing, sTextColors[colorId], 0, MirrorPtr(string));
-    else
-        AddTextPrinterParameterized4(windowId, FONT_NORMAL, x, y, 0, lineSpacing, sTextColors[colorId], 0, string);
+    AddTextPrinterParameterized4(windowId, FONT_NORMAL, x, y, 0, lineSpacing, sTextColors[colorId], 0, string);
 }
 
 static void PrintMonInfo(void)
diff --git a/src/region_map.c b/src/region_map.c
index 36c6ae8fc6..8936e668ac 100644
--- a/src/region_map.c
+++ b/src/region_map.c
@@ -1570,9 +1570,6 @@ u8 *GetMapName(u8 *dest, u16 regionMapId, u16 padLength)
     u8 *str;
     u16 i;
 
-    if (DECAP_ENABLED && !DECAP_MAP_NAMES)
-        *dest++ = CHAR_FIXED_CASE;
-
     if (regionMapId == MAPSEC_SECRET_BASE)
     {
         str = GetSecretBaseMapName(dest);
diff --git a/src/start_menu.c b/src/start_menu.c
index 857eed168d..0525ccf70d 100644
--- a/src/start_menu.c
+++ b/src/start_menu.c
@@ -48,10 +48,6 @@
 #include "constants/rgb.h"
 #include "constants/songs.h"
 
-#if (DECAP_ENABLED) && (DECAP_MIRRORING) && !(DECAP_START_MENU)
-#define AddTextPrinterParameterized (AddTextPrinterFixedCaseParameterized)
-#endif
-
 // Menu actions
 enum
 {
diff --git a/src/strings.c b/src/strings.c
index 4fde380240..ff1c3dbed4 100644
--- a/src/strings.c
+++ b/src/strings.c
@@ -2,7 +2,6 @@
 #include "strings.h"
 #include "battle_pyramid_bag.h"
 #include "item_menu.h"
-#include "text.h"
 
 ALIGNED(4)
 const u8 gText_ExpandedPlaceholder_Empty[] = _("");
@@ -176,7 +175,7 @@ const u8 gText_Number[] = _("No. ");
 const u8 gText_Level[] = _("Lv. ");
 const u8 gText_IdNumberSlash[] = _("IDNo. /"); // Unused
 const u8 gText_Name[] = _("NAME");
-const u8 gText_IDNumber[] = _C("IDNo.");
+const u8 gText_IDNumber[] = _("IDNo.");
 const u8 gText_BirchInTrouble[] = _("PROF. BIRCH is in trouble!\nRelease a POKéMON and rescue him!");
 const u8 gText_ConfirmStarterChoice[] = _("Do you choose this POKéMON?");
 const u8 gText_Pokemon4[] = _("POKéMON"); // Unused
@@ -504,7 +503,7 @@ const u8 gText_SpDef4[] = _("SP. DEF");
 const u8 gText_Speed2[] = _("SPEED");
 const u8 gText_HP4[] = _("HP");
 const u8 gText_EmptyString8[] = _(""); // Unused
-const u8 gText_OTSlash[] = _C("OT/");
+const u8 gText_OTSlash[] = _("OT/");
 const u8 gText_RentalPkmn[] = _("RENTAL POKéMON");
 const u8 gText_TypeSlash[] = _("TYPE/");
 const u8 gText_Power[] = _("POWER");
@@ -521,7 +520,7 @@ const u8 gText_Switch[] = _("SWITCH");
 const u8 gText_PkmnInfo[] = _("POKéMON INFO");
 const u8 gText_PkmnSkills[] = _("POKéMON SKILLS");
 const u8 gText_BattleMoves[] = _("BATTLE MOVES");
-const u8 gText_ContestMoves[] = _("CONTEST MOVES");
+const u8 gText_ContestMoves[] = _("C0NTEST MOVES");
 const u8 gText_Info[] = _("INFO");
 const u8 gText_EggWillTakeALongTime[] = _("It looks like this EGG will\ntake a long time to hatch.");
 const u8 gText_EggWillTakeSomeTime[] = _("What will hatch from this?\nIt will take some time.");
@@ -1107,15 +1106,9 @@ const u8 gText_GamePlayCannotBeContinued[] = _("{COLOR RED}“Game play cannot b
 const u8 gText_CheckCompleted[] = _("Check completed.\nAttempting to save again.\nPlease wait.");
 const u8 gText_SaveCompleteGameCannotContinue[] = _("Save completed.\n{COLOR RED}“Game play cannot be continued.\nReturning to the title screen.”");
 const u8 gText_SaveCompletePressA[] = _("Save completed.\n{COLOR RED}“Please press the A Button.”");
-#if (DECAP_ENABLED) && !(DECAP_MAP_NAMES)
-const u8 gText_Ferry[] = _C("FERRY");
-const u8 gText_SecretBase[] = _C("SECRET BASE");
-const u8 gText_Hideout[] = _C("HIDEOUT");
-#else
 const u8 gText_Ferry[] = _("FERRY");
 const u8 gText_SecretBase[] = _("SECRET BASE");
 const u8 gText_Hideout[] = _("HIDEOUT");
-#endif
 const u8 gText_ResetRTCConfirmCancel[] = _("Reset RTC?\nA: Confirm, B: Cancel");
 const u8 gText_PresentTime[] = _("Present time in game");
 const u8 gText_PreviousTime[] = _("Previous time in game");
@@ -1213,7 +1206,7 @@ const u8 gText_PkmnFainted_FldPsn[] = _("{STR_VAR_1} survived the poisoning.\nTh
 #endif
 const u8 gText_Marco[] = _("MARCO");
 const u8 gText_TrainerCardName[] = _("NAME: ");
-const u8 gText_TrainerCardIDNo[] = _C("IDNo.");
+const u8 gText_TrainerCardIDNo[] = _("IDNo.");
 const u8 gText_TrainerCardMoney[] = _("MONEY");
 const u8 gText_PokeDollar[] = _("¥"); // Unused
 const u8 gText_TrainerCardPokedex[] = _("POKéDEX");
diff --git a/test/test_runner_battle.c b/test/test_runner_battle.c
index b800f9099f..30183a6dc8 100644
--- a/test/test_runner_battle.c
+++ b/test/test_runner_battle.c
@@ -12,7 +12,6 @@
 #include "random.h"
 #include "test/battle.h"
 #include "window.h"
-#include "text.h"
 #include "constants/trainers.h"
 
 #if defined(__INTELLISENSE__)
@@ -1186,13 +1185,6 @@ static s32 TryMessage(s32 i, s32 n, const u8 *string)
                 if (string[j] == CHAR_PROMPT_CLEAR)
                     j++;
             }
-            if (DECAP_ENABLED && (string[j] == CHAR_FIXED_CASE || string[j] == CHAR_UNFIX_CASE))
-            {
-                // Ignores case-fixing characters in string
-                // k will be incremented in 'continue'
-                k--;
-                continue;
-            }
             if (string[j] != event->pattern[k])
             {
                 break;
diff --git a/tools/preproc/asm_file.cpp b/tools/preproc/asm_file.cpp
index 95655f6ac9..04a7410e00 100644
--- a/tools/preproc/asm_file.cpp
+++ b/tools/preproc/asm_file.cpp
@@ -170,8 +170,6 @@ Directive AsmFile::GetDirective()
 
     if (CheckForDirective(".include"))
         return Directive::Include;
-    else if (CheckForDirective(".fixstr"))
-        return Directive::FixedString;
     else if (CheckForDirective(".string"))
         return Directive::String;
     else if (CheckForDirective(".braille"))
diff --git a/tools/preproc/asm_file.h b/tools/preproc/asm_file.h
index 9659c7264f..29435f76a4 100644
--- a/tools/preproc/asm_file.h
+++ b/tools/preproc/asm_file.h
@@ -31,7 +31,6 @@ enum class Directive
     Include,
     String,
     Braille,
-    FixedString,
     Unknown
 };
 
diff --git a/tools/preproc/c_file.cpp b/tools/preproc/c_file.cpp
index d400a75d04..508c628731 100644
--- a/tools/preproc/c_file.cpp
+++ b/tools/preproc/c_file.cpp
@@ -195,7 +195,6 @@ void CFile::TryConvertString()
     long oldPos = m_pos;
     long oldLineNum = m_lineNum;
     bool noTerminator = false;
-    bool fixedCase = false;
 
     if (m_buffer[m_pos] != '_' || (m_pos > 0 && IsIdentifierChar(m_buffer[m_pos - 1])))
         return;
@@ -208,13 +207,6 @@ void CFile::TryConvertString()
         m_pos++;
     }
 
-    // Fixed-case string
-    if (m_buffer[m_pos] == 'C')
-    {
-        fixedCase = true;
-        m_pos++;
-    }
-
     SkipWhitespace();
 
     if (m_buffer[m_pos] != '(')
@@ -242,13 +234,7 @@ void CFile::TryConvertString()
 
             try
             {
-                if (fixedCase) {
-                    s[0] = '\x7d'; // FIXED_CASE
-                    m_pos += stringParser.ParseString(m_pos, s+1, length);
-                    length++;
-                } else {
-                    m_pos += stringParser.ParseString(m_pos, s, length);
-                }
+                m_pos += stringParser.ParseString(m_pos, s, length);
             }
             catch (std::runtime_error& e)
             {
diff --git a/tools/preproc/preproc.cpp b/tools/preproc/preproc.cpp
index 554482dfb1..eb2d4c8a23 100644
--- a/tools/preproc/preproc.cpp
+++ b/tools/preproc/preproc.cpp
@@ -76,16 +76,6 @@ void PreprocAsmFile(std::string filename)
             PrintAsmBytes(s, length);
             break;
         }
-        // Like String, but prepends FIXED_CASE char
-        case Directive::FixedString:
-        {
-            unsigned char s[kMaxStringLength];
-            int length = 0;
-            s[length++] = '\x7d'; // FIXED_CASE
-            length += stack.top().ReadString(s+length);
-            PrintAsmBytes(s, length);
-            break;
-        }
         case Directive::Braille:
         {
             unsigned char s[kMaxStringLength];