diff --git a/zsnes/src/cpu/execute.asm b/zsnes/src/cpu/execute.asm
index 74757c48..64474113 100644
--- a/zsnes/src/cpu/execute.asm
+++ b/zsnes/src/cpu/execute.asm
@@ -115,7 +115,6 @@ EXTSYM SfxPBR,SCBRrel,SfxSCBR,SfxCOLR,hdmaearlstart,SFXCounter
 EXTSYM fxbit01,fxbit01pcal,fxbit23,fxbit23pcal,fxbit45,fxbit45pcal,fxbit67,fxbit67pcal
 EXTSYM SfxSFR,nosprincr
 EXTSYM cpucycle,debstop,switchtovirqdeb,debstop3,switchtonmideb
-EXTSYM ReadSPC7110log,WriteSPC7110log
 EXTSYM NetPlayNoMore
 EXTSYM statefileloc
 
@@ -1157,7 +1156,6 @@ reexecuteb2:
     call UpdateDPage
     call SA1UpdateDPage
     call Makemode7Table
-    call ReadSPC7110log
     cmp byte[SFXEnable],0
     je .nosfxud
     call UpdateSFX
@@ -1263,8 +1261,6 @@ reexecuteb2:
     call DeInitPostGame
 .skippostgame
 
-    call WriteSPC7110log
-
     ; clear all keys
     call Check_Key
     cmp al,0
diff --git a/zsnes/src/cpu/memory.asm b/zsnes/src/cpu/memory.asm
index 98096770..e510e991 100644
--- a/zsnes/src/cpu/memory.asm
+++ b/zsnes/src/cpu/memory.asm
@@ -4148,16 +4148,6 @@ NEWSYM membank0w16SA1
 ;*******************************************************
 ; ROM Only Access Banks (40 - 6F) / (C0 - FF)
 ;*******************************************************
-%macro TestSDD1 0
-    cmp ebx,0DAh
-    jne %%nobank
-    cmp ecx,1C01h
-    jbe %%nobank
-    cmp ecx,[LatestBank]
-    ja %%nobank
-    mov [LatestBank],ecx
-%%nobank
-%endmacro
 
 NEWSYM memaccessspc7110r8
 
@@ -4220,14 +4210,12 @@ NEWSYM memaccessspc7110w16
     ret
 
 NEWSYM memaccessbankr8
-;    TestSDD1
     mov ebx,[snesmmap+ebx*4]
     mov al,[ebx+ecx]
     xor ebx,ebx
     ret
 
 NEWSYM memaccessbankr16
-;    TestSDD1
     mov ebx,[snesmmap+ebx*4]
     mov ax,[ebx+ecx]
     xor ebx,ebx
diff --git a/zsnes/src/dos/debug.asm b/zsnes/src/dos/debug.asm
index 667c7f17..66d706f5 100644
--- a/zsnes/src/dos/debug.asm
+++ b/zsnes/src/dos/debug.asm
@@ -252,43 +252,6 @@ NEWSYM debstop3, db 0
 NEWSYM debstop4, db 0
 SECTION .text
 
-NEWSYM WriteSPC7110log
-    cmp byte[SPC7110Enable],0
-    je .nospc7110
-    mov edx,SPC7110fn
-    call Create_File
-    mov bx,ax
-    mov ecx,8
-    mov edx,DecompAPtr
-    call Write_File
-    mov edx,CurPtrVal
-    mov ecx,[DecompAPtr]
-    shl ecx,3
-    add ecx,27
-    call Write_File
-    call Close_File
-.nospc7110
-    ret
-NEWSYM ReadSPC7110log
-    cmp byte[SPC7110Enable],0
-    je .nospc7110
-    mov edx,SPC7110fn
-    call Open_File
-    jc .nospc7110
-    mov bx,ax
-    mov ecx,8
-    mov edx,DecompAPtr
-    call Read_File
-    mov edx,CurPtrVal
-    mov ecx,[DecompAPtr]
-    shl ecx,3
-    add ecx,27
-    call Read_File
-    call Close_File
-.nospc7110
-    ret
-SPC7110fn db 'SPC7110.dat',0
-
 NEWSYM loadtempstuff
     ; Load stuff
     mov edx,.spcfname