diff --git a/src/main.asm b/src/main.asm
index 66dfa6b..33f41c7 100644
--- a/src/main.asm
+++ b/src/main.asm
@@ -4613,11 +4613,6 @@ GetBlockBufferAddr:
 
 ;-------------------------------------------------------------------------------------
 
-; unused space
-    .byte $ff, $ff
-
-;-------------------------------------------------------------------------------------
-
 AreaDataOfsLoopback:
     .byte $12, $36, $0e, $0e, $0e, $32, $32, $32, $0a, $26, $40
 
@@ -5573,11 +5568,6 @@ L_WaterArea3:
 
 .segment "BANK0"
 
-; unused space
-    .byte $ff
-
-;-------------------------------------------------------------------------------------
-
 ; indirect jump routine called when
 ; $0770 is set to 1
 GameMode:
@@ -11728,11 +11718,6 @@ TooFar:
 ExScrnBd:
     rts                     ; leave
 
-;-------------------------------------------------------------------------------------
-
-; some unused space
-    .byte $ff, $ff, $ff
-
 ;-------------------------------------------------------------------------------------
 ; $01 - enemy buffer offset
 
@@ -13870,11 +13855,6 @@ RetYC:
     lda $03                    ; get saved content of block buffer
     rts                        ; and leave
 
-;-------------------------------------------------------------------------------------
-
-; unused byte
-    .byte $ff
-
 ;-------------------------------------------------------------------------------------
 ; $00 - offset to vine Y coordinate adder
 ; $02 - offset to sprite data
@@ -15898,11 +15878,6 @@ SetHFAt:
 
 ;-------------------------------------------------------------------------------------
 
-; unused space
-    .byte $ff, $ff, $ff, $ff, $ff, $ff
-
-;-------------------------------------------------------------------------------------
-
 .segment "SOUNDENGINE"
 
 SoundEngine:
@@ -17170,7 +17145,6 @@ WinLevelMusData:
     .byte $cd, $d5, $dd, $e3, $ed, $f5, $bb, $b5, $cf, $d5
     .byte $db, $e5, $ed, $f3, $bd, $b3, $d1, $d9, $df, $e9
     .byte $f1, $f7, $bf, $ff, $ff, $ff, $34
-    .byte $00                                              ; unused byte
 
     .byte $86, $04, $87, $14, $1c, $22, $86, $34, $84, $2c
     .byte $04, $04, $04, $87, $14, $1a, $24, $86, $32, $84
@@ -17248,9 +17222,6 @@ VictoryMusData:
     .byte $83, $12, $14, $04, $18, $1a, $1c, $14
     .byte $26, $22, $1e, $1c, $18, $1e, $22, $0c, $14
 
-; unused space
-    .byte $ff, $ff, $ff
-
 FreqRegLookupTbl:
     .byte $00, $88, $00, $2f, $00, $00
     .byte $02, $a6, $02, $80, $02, $5c, $02, $3a