diff --git a/asm/non_matchings/overlays/actors/ovl_Bg_Gate_Shutter/BgGateShutter_Destroy.s b/asm/non_matchings/overlays/actors/ovl_Bg_Gate_Shutter/BgGateShutter_Destroy.s
deleted file mode 100644
index 6fb3929a19..0000000000
--- a/asm/non_matchings/overlays/actors/ovl_Bg_Gate_Shutter/BgGateShutter_Destroy.s
+++ /dev/null
@@ -1,16 +0,0 @@
-glabel BgGateShutter_Destroy
-/* 000FC 8087825C 27BDFFE8 */  addiu   $sp, $sp, 0xFFE8           ## $sp = FFFFFFE8
-/* 00100 80878260 AFA40018 */  sw      $a0, 0x0018($sp)           
-/* 00104 80878264 8FAE0018 */  lw      $t6, 0x0018($sp)           
-/* 00108 80878268 AFBF0014 */  sw      $ra, 0x0014($sp)           
-/* 0010C 8087826C 00A02025 */  or      $a0, $a1, $zero            ## $a0 = 00000000
-/* 00110 80878270 24A50810 */  addiu   $a1, $a1, 0x0810           ## $a1 = 00000810
-/* 00114 80878274 0C00FB56 */  jal     DynaPolyInfo_Free
-              ## DynaPolyInfo_delReserve
-/* 00118 80878278 8DC6014C */  lw      $a2, 0x014C($t6)           ## 0000014C
-/* 0011C 8087827C 8FBF0014 */  lw      $ra, 0x0014($sp)           
-/* 00120 80878280 27BD0018 */  addiu   $sp, $sp, 0x0018           ## $sp = 00000000
-/* 00124 80878284 03E00008 */  jr      $ra                        
-/* 00128 80878288 00000000 */  nop
-
-
diff --git a/asm/non_matchings/overlays/actors/ovl_Bg_Gate_Shutter/BgGateShutter_Draw.s b/asm/non_matchings/overlays/actors/ovl_Bg_Gate_Shutter/BgGateShutter_Draw.s
deleted file mode 100644
index bbc1eb91aa..0000000000
--- a/asm/non_matchings/overlays/actors/ovl_Bg_Gate_Shutter/BgGateShutter_Draw.s
+++ /dev/null
@@ -1,54 +0,0 @@
-glabel BgGateShutter_Draw
-/* 00360 808784C0 27BDFFC0 */  addiu   $sp, $sp, 0xFFC0           ## $sp = FFFFFFC0
-/* 00364 808784C4 AFBF001C */  sw      $ra, 0x001C($sp)           
-/* 00368 808784C8 AFB00018 */  sw      $s0, 0x0018($sp)           
-/* 0036C 808784CC AFA40040 */  sw      $a0, 0x0040($sp)           
-/* 00370 808784D0 AFA50044 */  sw      $a1, 0x0044($sp)           
-/* 00374 808784D4 8CA50000 */  lw      $a1, 0x0000($a1)           ## 00000000
-/* 00378 808784D8 3C068088 */  lui     $a2, %hi(D_808785E0)       ## $a2 = 80880000
-/* 0037C 808784DC 24C685E0 */  addiu   $a2, $a2, %lo(D_808785E0)  ## $a2 = 808785E0
-/* 00380 808784E0 27A4002C */  addiu   $a0, $sp, 0x002C           ## $a0 = FFFFFFEC
-/* 00384 808784E4 24070143 */  addiu   $a3, $zero, 0x0143         ## $a3 = 00000143
-/* 00388 808784E8 0C031AB1 */  jal     func_800C6AC4              
-/* 0038C 808784EC 00A08025 */  or      $s0, $a1, $zero            ## $s0 = 00000000
-/* 00390 808784F0 8FAF0044 */  lw      $t7, 0x0044($sp)           
-/* 00394 808784F4 0C024F46 */  jal     func_80093D18              
-/* 00398 808784F8 8DE40000 */  lw      $a0, 0x0000($t7)           ## 00000000
-/* 0039C 808784FC 8E0202C0 */  lw      $v0, 0x02C0($s0)           ## 000002C0
-/* 003A0 80878500 3C19DA38 */  lui     $t9, 0xDA38                ## $t9 = DA380000
-/* 003A4 80878504 37390003 */  ori     $t9, $t9, 0x0003           ## $t9 = DA380003
-/* 003A8 80878508 24580008 */  addiu   $t8, $v0, 0x0008           ## $t8 = 00000008
-/* 003AC 8087850C AE1802C0 */  sw      $t8, 0x02C0($s0)           ## 000002C0
-/* 003B0 80878510 AC590000 */  sw      $t9, 0x0000($v0)           ## 00000000
-/* 003B4 80878514 8FA80044 */  lw      $t0, 0x0044($sp)           
-/* 003B8 80878518 3C058088 */  lui     $a1, %hi(D_808785F8)       ## $a1 = 80880000
-/* 003BC 8087851C 24A585F8 */  addiu   $a1, $a1, %lo(D_808785F8)  ## $a1 = 808785F8
-/* 003C0 80878520 8D040000 */  lw      $a0, 0x0000($t0)           ## 00000000
-/* 003C4 80878524 24060148 */  addiu   $a2, $zero, 0x0148         ## $a2 = 00000148
-/* 003C8 80878528 0C0346A2 */  jal     Matrix_NewMtx              
-/* 003CC 8087852C AFA20028 */  sw      $v0, 0x0028($sp)           
-/* 003D0 80878530 8FA30028 */  lw      $v1, 0x0028($sp)           
-/* 003D4 80878534 3C0B0600 */  lui     $t3, 0x0600                ## $t3 = 06000000
-/* 003D8 80878538 256B1CD0 */  addiu   $t3, $t3, 0x1CD0           ## $t3 = 06001CD0
-/* 003DC 8087853C AC620004 */  sw      $v0, 0x0004($v1)           ## 00000004
-/* 003E0 80878540 8E0202C0 */  lw      $v0, 0x02C0($s0)           ## 000002C0
-/* 003E4 80878544 3C0ADE00 */  lui     $t2, 0xDE00                ## $t2 = DE000000
-/* 003E8 80878548 3C068088 */  lui     $a2, %hi(D_80878610)       ## $a2 = 80880000
-/* 003EC 8087854C 24490008 */  addiu   $t1, $v0, 0x0008           ## $t1 = 00000008
-/* 003F0 80878550 AE0902C0 */  sw      $t1, 0x02C0($s0)           ## 000002C0
-/* 003F4 80878554 AC4B0004 */  sw      $t3, 0x0004($v0)           ## 00000004
-/* 003F8 80878558 AC4A0000 */  sw      $t2, 0x0000($v0)           ## 00000000
-/* 003FC 8087855C 8FAC0044 */  lw      $t4, 0x0044($sp)           
-/* 00400 80878560 24C68610 */  addiu   $a2, $a2, %lo(D_80878610)  ## $a2 = 80878610
-/* 00404 80878564 27A4002C */  addiu   $a0, $sp, 0x002C           ## $a0 = FFFFFFEC
-/* 00408 80878568 2407014D */  addiu   $a3, $zero, 0x014D         ## $a3 = 0000014D
-/* 0040C 8087856C 0C031AD5 */  jal     func_800C6B54              
-/* 00410 80878570 8D850000 */  lw      $a1, 0x0000($t4)           ## 00000000
-/* 00414 80878574 8FBF001C */  lw      $ra, 0x001C($sp)           
-/* 00418 80878578 8FB00018 */  lw      $s0, 0x0018($sp)           
-/* 0041C 8087857C 27BD0040 */  addiu   $sp, $sp, 0x0040           ## $sp = 00000000
-/* 00420 80878580 03E00008 */  jr      $ra                        
-/* 00424 80878584 00000000 */  nop
-/* 00428 80878588 00000000 */  nop
-/* 0042C 8087858C 00000000 */  nop
-
diff --git a/asm/non_matchings/overlays/actors/ovl_Bg_Gate_Shutter/BgGateShutter_Init.s b/asm/non_matchings/overlays/actors/ovl_Bg_Gate_Shutter/BgGateShutter_Init.s
deleted file mode 100644
index 314c0cf2a9..0000000000
--- a/asm/non_matchings/overlays/actors/ovl_Bg_Gate_Shutter/BgGateShutter_Init.s
+++ /dev/null
@@ -1,74 +0,0 @@
-glabel BgGateShutter_Init
-/* 00000 80878160 27BDFFD0 */  addiu   $sp, $sp, 0xFFD0           ## $sp = FFFFFFD0
-/* 00004 80878164 AFBF001C */  sw      $ra, 0x001C($sp)           
-/* 00008 80878168 AFB00018 */  sw      $s0, 0x0018($sp)           
-/* 0000C 8087816C AFA50034 */  sw      $a1, 0x0034($sp)           
-/* 00010 80878170 00808025 */  or      $s0, $a0, $zero            ## $s0 = 00000000
-/* 00014 80878174 AFA00020 */  sw      $zero, 0x0020($sp)         
-/* 00018 80878178 0C010D20 */  jal     DynaPolyInfo_SetActorMove
-              
-/* 0001C 8087817C 00002825 */  or      $a1, $zero, $zero          ## $a1 = 00000000
-/* 00020 80878180 3C040600 */  lui     $a0, 0x0600                ## $a0 = 06000000
-/* 00024 80878184 24841DA8 */  addiu   $a0, $a0, 0x1DA8           ## $a0 = 06001DA8
-/* 00028 80878188 0C010620 */  jal     DynaPolyInfo_Alloc
-              
-/* 0002C 8087818C 27A50020 */  addiu   $a1, $sp, 0x0020           ## $a1 = FFFFFFF0
-/* 00030 80878190 8FA40034 */  lw      $a0, 0x0034($sp)           
-/* 00034 80878194 02003025 */  or      $a2, $s0, $zero            ## $a2 = 00000000
-/* 00038 80878198 8FA70020 */  lw      $a3, 0x0020($sp)           
-/* 0003C 8087819C 0C00FA9D */  jal     DynaPolyInfo_RegisterActor
-              ## DynaPolyInfo_setActor
-/* 00040 808781A0 24850810 */  addiu   $a1, $a0, 0x0810           ## $a1 = 00000810
-/* 00044 808781A4 C6040024 */  lwc1    $f4, 0x0024($s0)           ## 00000024
-/* 00048 808781A8 C6060028 */  lwc1    $f6, 0x0028($s0)           ## 00000028
-/* 0004C 808781AC C608002C */  lwc1    $f8, 0x002C($s0)           ## 0000002C
-/* 00050 808781B0 3C038016 */  lui     $v1, 0x8016                ## $v1 = 80160000
-/* 00054 808781B4 2463E660 */  addiu   $v1, $v1, 0xE660           ## $v1 = 8015E660
-/* 00058 808781B8 AE02014C */  sw      $v0, 0x014C($s0)           ## 0000014C
-/* 0005C 808781BC E604016C */  swc1    $f4, 0x016C($s0)           ## 0000016C
-/* 00060 808781C0 E6060170 */  swc1    $f6, 0x0170($s0)           ## 00000170
-/* 00064 808781C4 E6080174 */  swc1    $f8, 0x0174($s0)           ## 00000174
-/* 00068 808781C8 946E0F06 */  lhu     $t6, 0x0F06($v1)           ## 8015F566
-/* 0006C 808781CC 8FA80034 */  lw      $t0, 0x0034($sp)           
-/* 00070 808781D0 31CF0040 */  andi    $t7, $t6, 0x0040           ## $t7 = 00000000
-/* 00074 808781D4 55E00006 */  bnel    $t7, $zero, .L808781F0     
-/* 00078 808781D8 850900A4 */  lh      $t1, 0x00A4($t0)           ## 000000A4
-/* 0007C 808781DC 94780EDC */  lhu     $t8, 0x0EDC($v1)           ## 8015F53C
-/* 00080 808781E0 33190020 */  andi    $t9, $t8, 0x0020           ## $t9 = 00000000
-/* 00084 808781E4 5320000B */  beql    $t9, $zero, .L80878214     
-/* 00088 808781E8 3C013F80 */  lui     $at, 0x3F80                ## $at = 3F800000
-/* 0008C 808781EC 850900A4 */  lh      $t1, 0x00A4($t0)           ## 000000A4
-.L808781F0:
-/* 00090 808781F0 24010052 */  addiu   $at, $zero, 0x0052         ## $at = 00000052
-/* 00094 808781F4 15210006 */  bne     $t1, $at, .L80878210       
-/* 00098 808781F8 3C01C2B2 */  lui     $at, 0xC2B2                ## $at = C2B20000
-/* 0009C 808781FC 44815000 */  mtc1    $at, $f10                  ## $f10 = -89.00
-/* 000A0 80878200 3C018088 */  lui     $at, %hi(D_80878628)       ## $at = 80880000
-/* 000A4 80878204 E60A0024 */  swc1    $f10, 0x0024($s0)          ## 00000024
-/* 000A8 80878208 C4308628 */  lwc1    $f16, %lo(D_80878628)($at) 
-/* 000AC 8087820C E610002C */  swc1    $f16, 0x002C($s0)          ## 0000002C
-.L80878210:
-/* 000B0 80878210 3C013F80 */  lui     $at, 0x3F80                ## $at = 3F800000
-.L80878214:
-/* 000B4 80878214 44810000 */  mtc1    $at, $f0                   ## $f0 = 1.00
-/* 000B8 80878218 3C048088 */  lui     $a0, %hi(D_808785B0)       ## $a0 = 80880000
-/* 000BC 8087821C 248485B0 */  addiu   $a0, $a0, %lo(D_808785B0)  ## $a0 = 808785B0
-/* 000C0 80878220 E6000050 */  swc1    $f0, 0x0050($s0)           ## 00000050
-/* 000C4 80878224 E6000054 */  swc1    $f0, 0x0054($s0)           ## 00000054
-/* 000C8 80878228 0C00084C */  jal     osSyncPrintf
-              
-/* 000CC 8087822C E6000058 */  swc1    $f0, 0x0058($s0)           ## 00000058
-/* 000D0 80878230 3C048088 */  lui     $a0, %hi(D_808785B4)       ## $a0 = 80880000
-/* 000D4 80878234 0C00084C */  jal     osSyncPrintf
-              
-/* 000D8 80878238 248485B4 */  addiu   $a0, $a0, %lo(D_808785B4)  ## $a0 = 808785B4
-/* 000DC 8087823C 3C0A8088 */  lui     $t2, %hi(func_8087828C)    ## $t2 = 80880000
-/* 000E0 80878240 254A828C */  addiu   $t2, $t2, %lo(func_8087828C) ## $t2 = 8087828C
-/* 000E4 80878244 AE0A0164 */  sw      $t2, 0x0164($s0)           ## 00000164
-/* 000E8 80878248 8FBF001C */  lw      $ra, 0x001C($sp)           
-/* 000EC 8087824C 8FB00018 */  lw      $s0, 0x0018($sp)           
-/* 000F0 80878250 27BD0030 */  addiu   $sp, $sp, 0x0030           ## $sp = 00000000
-/* 000F4 80878254 03E00008 */  jr      $ra                        
-/* 000F8 80878258 00000000 */  nop
-
-
diff --git a/asm/non_matchings/overlays/actors/ovl_Bg_Gate_Shutter/BgGateShutter_Update.s b/asm/non_matchings/overlays/actors/ovl_Bg_Gate_Shutter/BgGateShutter_Update.s
deleted file mode 100644
index 935caa05c2..0000000000
--- a/asm/non_matchings/overlays/actors/ovl_Bg_Gate_Shutter/BgGateShutter_Update.s
+++ /dev/null
@@ -1,17 +0,0 @@
-glabel BgGateShutter_Update
-/* 0032C 8087848C 27BDFFE8 */  addiu   $sp, $sp, 0xFFE8           ## $sp = FFFFFFE8
-/* 00330 80878490 AFBF0014 */  sw      $ra, 0x0014($sp)           
-/* 00334 80878494 84820178 */  lh      $v0, 0x0178($a0)           ## 00000178
-/* 00338 80878498 10400002 */  beq     $v0, $zero, .L808784A4     
-/* 0033C 8087849C 244EFFFF */  addiu   $t6, $v0, 0xFFFF           ## $t6 = FFFFFFFF
-/* 00340 808784A0 A48E0178 */  sh      $t6, 0x0178($a0)           ## 00000178
-.L808784A4:
-/* 00344 808784A4 8C990164 */  lw      $t9, 0x0164($a0)           ## 00000164
-/* 00348 808784A8 0320F809 */  jalr    $ra, $t9                   
-/* 0034C 808784AC 00000000 */  nop
-/* 00350 808784B0 8FBF0014 */  lw      $ra, 0x0014($sp)           
-/* 00354 808784B4 27BD0018 */  addiu   $sp, $sp, 0x0018           ## $sp = 00000000
-/* 00358 808784B8 03E00008 */  jr      $ra                        
-/* 0035C 808784BC 00000000 */  nop
-
-
diff --git a/asm/non_matchings/overlays/actors/ovl_Bg_Gate_Shutter/func_8087828C.s b/asm/non_matchings/overlays/actors/ovl_Bg_Gate_Shutter/func_8087828C.s
deleted file mode 100644
index 297619a72e..0000000000
--- a/asm/non_matchings/overlays/actors/ovl_Bg_Gate_Shutter/func_8087828C.s
+++ /dev/null
@@ -1,35 +0,0 @@
-glabel func_8087828C
-/* 0012C 8087828C AFA50004 */  sw      $a1, 0x0004($sp)           
-/* 00130 80878290 84820168 */  lh      $v0, 0x0168($a0)           ## 00000168
-/* 00134 80878294 24010001 */  addiu   $at, $zero, 0x0001         ## $at = 00000001
-/* 00138 80878298 3C0E8016 */  lui     $t6, 0x8016                ## $t6 = 80160000
-/* 0013C 8087829C 1441000B */  bne     $v0, $at, .L808782CC       
-/* 00140 808782A0 24030002 */  addiu   $v1, $zero, 0x0002         ## $v1 = 00000002
-/* 00144 808782A4 95CEF566 */  lhu     $t6, -0x0A9A($t6)          ## 8015F566
-/* 00148 808782A8 3C188088 */  lui     $t8, %hi(func_80878300)    ## $t8 = 80880000
-/* 0014C 808782AC 27188300 */  addiu   $t8, $t8, %lo(func_80878300) ## $t8 = 80878300
-/* 00150 808782B0 31CF0040 */  andi    $t7, $t6, 0x0040           ## $t7 = 00000000
-/* 00154 808782B4 15E00005 */  bne     $t7, $zero, .L808782CC     
-/* 00158 808782B8 00000000 */  nop
-/* 0015C 808782BC 24030002 */  addiu   $v1, $zero, 0x0002         ## $v1 = 00000002
-/* 00160 808782C0 A4830178 */  sh      $v1, 0x0178($a0)           ## 00000178
-/* 00164 808782C4 03E00008 */  jr      $ra                        
-/* 00168 808782C8 AC980164 */  sw      $t8, 0x0164($a0)           ## 00000164
-.L808782CC:
-/* 0016C 808782CC 14620005 */  bne     $v1, $v0, .L808782E4       
-/* 00170 808782D0 3C198088 */  lui     $t9, %hi(func_80878300)    ## $t9 = 80880000
-/* 00174 808782D4 27398300 */  addiu   $t9, $t9, %lo(func_80878300) ## $t9 = 80878300
-/* 00178 808782D8 A4830178 */  sh      $v1, 0x0178($a0)           ## 00000178
-/* 0017C 808782DC 03E00008 */  jr      $ra                        
-/* 00180 808782E0 AC990164 */  sw      $t9, 0x0164($a0)           ## 00000164
-.L808782E4:
-/* 00184 808782E4 04410004 */  bgez    $v0, .L808782F8            
-/* 00188 808782E8 3C088088 */  lui     $t0, %hi(func_808783D4)    ## $t0 = 80880000
-/* 0018C 808782EC 250883D4 */  addiu   $t0, $t0, %lo(func_808783D4) ## $t0 = 808783D4
-/* 00190 808782F0 A4830178 */  sh      $v1, 0x0178($a0)           ## 00000178
-/* 00194 808782F4 AC880164 */  sw      $t0, 0x0164($a0)           ## 00000164
-.L808782F8:
-/* 00198 808782F8 03E00008 */  jr      $ra                        
-/* 0019C 808782FC 00000000 */  nop
-
-
diff --git a/asm/non_matchings/overlays/actors/ovl_Bg_Gate_Shutter/func_80878300.s b/asm/non_matchings/overlays/actors/ovl_Bg_Gate_Shutter/func_80878300.s
deleted file mode 100644
index dcc9629abf..0000000000
--- a/asm/non_matchings/overlays/actors/ovl_Bg_Gate_Shutter/func_80878300.s
+++ /dev/null
@@ -1,50 +0,0 @@
-glabel func_80878300
-/* 001A0 80878300 27BDFFE0 */  addiu   $sp, $sp, 0xFFE0           ## $sp = FFFFFFE0
-/* 001A4 80878304 AFBF001C */  sw      $ra, 0x001C($sp)           
-/* 001A8 80878308 AFB00018 */  sw      $s0, 0x0018($sp)           
-/* 001AC 8087830C AFA50024 */  sw      $a1, 0x0024($sp)           
-/* 001B0 80878310 848E0178 */  lh      $t6, 0x0178($a0)           ## 00000178
-/* 001B4 80878314 00808025 */  or      $s0, $a0, $zero            ## $s0 = 00000000
-/* 001B8 80878318 55C00020 */  bnel    $t6, $zero, .L8087839C     
-/* 001BC 8087831C 8FBF001C */  lw      $ra, 0x001C($sp)           
-/* 001C0 80878320 0C00BE0A */  jal     Audio_PlayActorSound2
-              
-/* 001C4 80878324 24052067 */  addiu   $a1, $zero, 0x2067         ## $a1 = 00002067
-/* 001C8 80878328 3C014000 */  lui     $at, 0x4000                ## $at = 40000000
-/* 001CC 8087832C 44813000 */  mtc1    $at, $f6                   ## $f6 = 2.00
-/* 001D0 80878330 C6040024 */  lwc1    $f4, 0x0024($s0)           ## 00000024
-/* 001D4 80878334 3C05C4AB */  lui     $a1, 0xC4AB                ## $a1 = C4AB0000
-/* 001D8 80878338 3C063F4C */  lui     $a2, 0x3F4C                ## $a2 = 3F4C0000
-/* 001DC 8087833C 46062201 */  sub.s   $f8, $f4, $f6              
-/* 001E0 80878340 3C073E99 */  lui     $a3, 0x3E99                ## $a3 = 3E990000
-/* 001E4 80878344 34E7999A */  ori     $a3, $a3, 0x999A           ## $a3 = 3E99999A
-/* 001E8 80878348 34C6CCCD */  ori     $a2, $a2, 0xCCCD           ## $a2 = 3F4CCCCD
-/* 001EC 8087834C E6080024 */  swc1    $f8, 0x0024($s0)           ## 00000024
-/* 001F0 80878350 34A5E000 */  ori     $a1, $a1, 0xE000           ## $a1 = C4ABE000
-/* 001F4 80878354 0C01E107 */  jal     Math_SmoothScaleMaxF
-              
-/* 001F8 80878358 2604002C */  addiu   $a0, $s0, 0x002C           ## $a0 = 0000002C
-/* 001FC 8087835C 3C01C2B2 */  lui     $at, 0xC2B2                ## $at = C2B20000
-/* 00200 80878360 44818000 */  mtc1    $at, $f16                  ## $f16 = -89.00
-/* 00204 80878364 C60A0024 */  lwc1    $f10, 0x0024($s0)          ## 00000024
-/* 00208 80878368 02002025 */  or      $a0, $s0, $zero            ## $a0 = 00000000
-/* 0020C 8087836C 4610503C */  c.lt.s  $f10, $f16                 
-/* 00210 80878370 00000000 */  nop
-/* 00214 80878374 45020009 */  bc1fl   .L8087839C                 
-/* 00218 80878378 8FBF001C */  lw      $ra, 0x001C($sp)           
-/* 0021C 8087837C 0C00BE0A */  jal     Audio_PlayActorSound2
-              
-/* 00220 80878380 2405280E */  addiu   $a1, $zero, 0x280E         ## $a1 = 0000280E
-/* 00224 80878384 3C188088 */  lui     $t8, %hi(func_808783AC)    ## $t8 = 80880000
-/* 00228 80878388 240F001E */  addiu   $t7, $zero, 0x001E         ## $t7 = 0000001E
-/* 0022C 8087838C 271883AC */  addiu   $t8, $t8, %lo(func_808783AC) ## $t8 = 808783AC
-/* 00230 80878390 A60F0178 */  sh      $t7, 0x0178($s0)           ## 00000178
-/* 00234 80878394 AE180164 */  sw      $t8, 0x0164($s0)           ## 00000164
-/* 00238 80878398 8FBF001C */  lw      $ra, 0x001C($sp)           
-.L8087839C:
-/* 0023C 8087839C 8FB00018 */  lw      $s0, 0x0018($sp)           
-/* 00240 808783A0 27BD0020 */  addiu   $sp, $sp, 0x0020           ## $sp = 00000000
-/* 00244 808783A4 03E00008 */  jr      $ra                        
-/* 00248 808783A8 00000000 */  nop
-
-
diff --git a/asm/non_matchings/overlays/actors/ovl_Bg_Gate_Shutter/func_808783AC.s b/asm/non_matchings/overlays/actors/ovl_Bg_Gate_Shutter/func_808783AC.s
deleted file mode 100644
index 375c43f2dd..0000000000
--- a/asm/non_matchings/overlays/actors/ovl_Bg_Gate_Shutter/func_808783AC.s
+++ /dev/null
@@ -1,14 +0,0 @@
-glabel func_808783AC
-/* 0024C 808783AC AFA50004 */  sw      $a1, 0x0004($sp)           
-/* 00250 808783B0 848E0178 */  lh      $t6, 0x0178($a0)           ## 00000178
-/* 00254 808783B4 3C0F8088 */  lui     $t7, %hi(func_8087828C)    ## $t7 = 80880000
-/* 00258 808783B8 25EF828C */  addiu   $t7, $t7, %lo(func_8087828C) ## $t7 = 8087828C
-/* 0025C 808783BC 15C00003 */  bne     $t6, $zero, .L808783CC     
-/* 00260 808783C0 00000000 */  nop
-/* 00264 808783C4 A4800168 */  sh      $zero, 0x0168($a0)         ## 00000168
-/* 00268 808783C8 AC8F0164 */  sw      $t7, 0x0164($a0)           ## 00000164
-.L808783CC:
-/* 0026C 808783CC 03E00008 */  jr      $ra                        
-/* 00270 808783D0 00000000 */  nop
-
-
diff --git a/asm/non_matchings/overlays/actors/ovl_Bg_Gate_Shutter/func_808783D4.s b/asm/non_matchings/overlays/actors/ovl_Bg_Gate_Shutter/func_808783D4.s
deleted file mode 100644
index 838cb21690..0000000000
--- a/asm/non_matchings/overlays/actors/ovl_Bg_Gate_Shutter/func_808783D4.s
+++ /dev/null
@@ -1,53 +0,0 @@
-glabel func_808783D4
-/* 00274 808783D4 27BDFFE0 */  addiu   $sp, $sp, 0xFFE0           ## $sp = FFFFFFE0
-/* 00278 808783D8 AFBF001C */  sw      $ra, 0x001C($sp)           
-/* 0027C 808783DC AFB00018 */  sw      $s0, 0x0018($sp)           
-/* 00280 808783E0 AFA50024 */  sw      $a1, 0x0024($sp)           
-/* 00284 808783E4 848E0178 */  lh      $t6, 0x0178($a0)           ## 00000178
-/* 00288 808783E8 00808025 */  or      $s0, $a0, $zero            ## $s0 = 00000000
-/* 0028C 808783EC 55C00023 */  bnel    $t6, $zero, .L8087847C     
-/* 00290 808783F0 8FBF001C */  lw      $ra, 0x001C($sp)           
-/* 00294 808783F4 0C00BE0A */  jal     Audio_PlayActorSound2
-              
-/* 00298 808783F8 24052067 */  addiu   $a1, $zero, 0x2067         ## $a1 = 00002067
-/* 0029C 808783FC 3C014000 */  lui     $at, 0x4000                ## $at = 40000000
-/* 002A0 80878400 44813000 */  mtc1    $at, $f6                   ## $f6 = 2.00
-/* 002A4 80878404 C6040024 */  lwc1    $f4, 0x0024($s0)           ## 00000024
-/* 002A8 80878408 3C05C4A8 */  lui     $a1, 0xC4A8                ## $a1 = C4A80000
-/* 002AC 8087840C 3C063F4C */  lui     $a2, 0x3F4C                ## $a2 = 3F4C0000
-/* 002B0 80878410 46062200 */  add.s   $f8, $f4, $f6              
-/* 002B4 80878414 3C073E99 */  lui     $a3, 0x3E99                ## $a3 = 3E990000
-/* 002B8 80878418 34E7999A */  ori     $a3, $a3, 0x999A           ## $a3 = 3E99999A
-/* 002BC 8087841C 34C6CCCD */  ori     $a2, $a2, 0xCCCD           ## $a2 = 3F4CCCCD
-/* 002C0 80878420 E6080024 */  swc1    $f8, 0x0024($s0)           ## 00000024
-/* 002C4 80878424 34A5C000 */  ori     $a1, $a1, 0xC000           ## $a1 = C4A8C000
-/* 002C8 80878428 0C01E107 */  jal     Math_SmoothScaleMaxF
-              
-/* 002CC 8087842C 2604002C */  addiu   $a0, $s0, 0x002C           ## $a0 = 0000002C
-/* 002D0 80878430 3C0142B4 */  lui     $at, 0x42B4                ## $at = 42B40000
-/* 002D4 80878434 44815000 */  mtc1    $at, $f10                  ## $f10 = 90.00
-/* 002D8 80878438 C6100024 */  lwc1    $f16, 0x0024($s0)          ## 00000024
-/* 002DC 8087843C 3C0142B6 */  lui     $at, 0x42B6                ## $at = 42B60000
-/* 002E0 80878440 02002025 */  or      $a0, $s0, $zero            ## $a0 = 00000000
-/* 002E4 80878444 4610503C */  c.lt.s  $f10, $f16                 
-/* 002E8 80878448 00000000 */  nop
-/* 002EC 8087844C 4502000B */  bc1fl   .L8087847C                 
-/* 002F0 80878450 8FBF001C */  lw      $ra, 0x001C($sp)           
-/* 002F4 80878454 44819000 */  mtc1    $at, $f18                  ## $f18 = 91.00
-/* 002F8 80878458 2405280E */  addiu   $a1, $zero, 0x280E         ## $a1 = 0000280E
-/* 002FC 8087845C 0C00BE0A */  jal     Audio_PlayActorSound2
-              
-/* 00300 80878460 E6120024 */  swc1    $f18, 0x0024($s0)          ## 00000024
-/* 00304 80878464 3C188088 */  lui     $t8, %hi(func_808783AC)    ## $t8 = 80880000
-/* 00308 80878468 240F001E */  addiu   $t7, $zero, 0x001E         ## $t7 = 0000001E
-/* 0030C 8087846C 271883AC */  addiu   $t8, $t8, %lo(func_808783AC) ## $t8 = 808783AC
-/* 00310 80878470 A60F0178 */  sh      $t7, 0x0178($s0)           ## 00000178
-/* 00314 80878474 AE180164 */  sw      $t8, 0x0164($s0)           ## 00000164
-/* 00318 80878478 8FBF001C */  lw      $ra, 0x001C($sp)           
-.L8087847C:
-/* 0031C 8087847C 8FB00018 */  lw      $s0, 0x0018($sp)           
-/* 00320 80878480 27BD0020 */  addiu   $sp, $sp, 0x0020           ## $sp = 00000000
-/* 00324 80878484 03E00008 */  jr      $ra                        
-/* 00328 80878488 00000000 */  nop
-
-
diff --git a/data/overlays/actors/z_bg_gate_shutter.data.s b/data/overlays/actors/z_bg_gate_shutter.data.s
deleted file mode 100644
index ad3a0bc524..0000000000
--- a/data/overlays/actors/z_bg_gate_shutter.data.s
+++ /dev/null
@@ -1,16 +0,0 @@
-.include "macro.inc"
-
- # assembler directives
- .set noat      # allow manual use of $at
- .set noreorder # don't insert nops after branches
- .set gp=64     # allow use of 64-bit general purposee registers
-
-.section .data
-
-glabel Bg_Gate_Shutter_InitVars
- .word 0x01000700, 0x00000000, 0x01810000, 0x0000017C
-.word BgGateShutter_Init
-.word BgGateShutter_Destroy
-.word BgGateShutter_Update
-.word BgGateShutter_Draw
-
diff --git a/data/overlays/actors/z_bg_gate_shutter.reloc.s b/data/overlays/actors/z_bg_gate_shutter.reloc.s
deleted file mode 100644
index 791f19b2db..0000000000
--- a/data/overlays/actors/z_bg_gate_shutter.reloc.s
+++ /dev/null
@@ -1,11 +0,0 @@
-.include "macro.inc"
-
- # assembler directives
- .set noat      # allow manual use of $at
- .set noreorder # don't insert nops after branches
- .set gp=64     # allow use of 64-bit general purposee registers
-
-.section .rodata
-glabel D_80878630
-
-.incbin "baserom/ovl_Bg_Gate_Shutter", 0x4D0, 0x00000090
diff --git a/data/overlays/actors/z_bg_gate_shutter.rodata.s b/data/overlays/actors/z_bg_gate_shutter.rodata.s
deleted file mode 100644
index dfbe7fefd7..0000000000
--- a/data/overlays/actors/z_bg_gate_shutter.rodata.s
+++ /dev/null
@@ -1,35 +0,0 @@
-.include "macro.inc"
-
- # assembler directives
- .set noat      # allow manual use of $at
- .set noreorder # don't insert nops after branches
- .set gp=64     # allow use of 64-bit general purposee registers
-
-.section .rodata
-
-glabel D_808785B0
- .word 0x0A0A0000
-glabel D_808785B4
-
-    .asciz " ☆☆☆☆☆ 柵でたなぁ ☆☆☆☆☆ \n"
-    .balign 4
-
-glabel D_808785E0
-
-    .asciz "../z_bg_gate_shutter.c"
-    .balign 4
-
-glabel D_808785F8
-
-    .asciz "../z_bg_gate_shutter.c"
-    .balign 4
-
-glabel D_80878610
-
-    .asciz "../z_bg_gate_shutter.c"
-    .balign 4
-
-glabel D_80878628
- .word 0xC4ABE000, 0x00000000
-
-
diff --git a/spec b/spec
index 7cc90e17c2..1c5e4ba705 100644
--- a/spec
+++ b/spec
@@ -788,9 +788,7 @@ endseg
 beginseg
     name "ovl_Bg_Gate_Shutter"
     include "build/src/overlays/actors/ovl_Bg_Gate_Shutter/z_bg_gate_shutter.o"
-    include "build/data/overlays/actors/z_bg_gate_shutter.data.o"
-    include "build/data/overlays/actors/z_bg_gate_shutter.rodata.o"
-    include "build/data/overlays/actors/z_bg_gate_shutter.reloc.o"
+    include "build/src/overlays/actors/ovl_Bg_Gate_Shutter/z_bg_gate_shutter_reloc.o"
 endseg
 
 beginseg
diff --git a/src/overlays/actors/ovl_Bg_Gate_Shutter/z_bg_gate_shutter.c b/src/overlays/actors/ovl_Bg_Gate_Shutter/z_bg_gate_shutter.c
index baa83eb800..89d663788e 100644
--- a/src/overlays/actors/ovl_Bg_Gate_Shutter/z_bg_gate_shutter.c
+++ b/src/overlays/actors/ovl_Bg_Gate_Shutter/z_bg_gate_shutter.c
@@ -1,14 +1,26 @@
+/*
+ * File: z_bg_gate_shutter.c
+ * Overlay: Bg_Gate_Shutter
+ * Description:
+*/
+
 #include "z_bg_gate_shutter.h"
 
+#include <vt.h>
+
 #define ROOM  0x00
 #define FLAGS 0x00000000
 
-void BgGateShutter_Init(BgGateShutter* this, GlobalContext* globalCtx);
-void BgGateShutter_Destroy(BgGateShutter* this, GlobalContext* globalCtx);
-void BgGateShutter_Update(BgGateShutter* this, GlobalContext* globalCtx);
-void BgGateShutter_Draw(BgGateShutter* this, GlobalContext* globalCtx);
+static void BgGateShutter_Init(BgGateShutter* this, GlobalContext* globalCtx);
+static void BgGateShutter_Destroy(BgGateShutter* this, GlobalContext* globalCtx);
+static void BgGateShutter_Update(BgGateShutter* this, GlobalContext* globalCtx);
+static void BgGateShutter_Draw(BgGateShutter* this, GlobalContext* globalCtx);
+
+static void func_8087828C(BgGateShutter* this, GlobalContext* globalCtx);
+static void func_80878300(BgGateShutter* this, GlobalContext* globalCtx);
+static void func_808783AC(BgGateShutter* this, GlobalContext* globalCtx);
+static void func_808783D4(BgGateShutter* this, GlobalContext* globalCtx);
 
-/*
 const ActorInit Bg_Gate_Shutter_InitVars =
 {
     ACTOR_BG_GATE_SHUTTER,
@@ -22,19 +34,113 @@ const ActorInit Bg_Gate_Shutter_InitVars =
     (ActorFunc)BgGateShutter_Update,
     (ActorFunc)BgGateShutter_Draw,
 };
-*/
-#pragma GLOBAL_ASM("asm/non_matchings/overlays/actors/ovl_Bg_Gate_Shutter/BgGateShutter_Init.s")
 
-#pragma GLOBAL_ASM("asm/non_matchings/overlays/actors/ovl_Bg_Gate_Shutter/BgGateShutter_Destroy.s")
+extern UNK_PTR D_06001CD0;
+extern UNK_PTR D_06001DA8;
 
-#pragma GLOBAL_ASM("asm/non_matchings/overlays/actors/ovl_Bg_Gate_Shutter/func_8087828C.s")
+static void BgGateShutter_Init(BgGateShutter* this, GlobalContext* globalCtx) {
+    s32 pad[2];
+    Actor* thisx = &this->dyna.actor;
+    s32 local_c = 0;
 
-#pragma GLOBAL_ASM("asm/non_matchings/overlays/actors/ovl_Bg_Gate_Shutter/func_80878300.s")
+    DynaPolyInfo_SetActorMove(thisx, 0);
+    DynaPolyInfo_Alloc(&D_06001DA8, &local_c);
+    this->dyna.dynaPolyId = DynaPolyInfo_RegisterActor(globalCtx, &globalCtx->colCtx.dyna, thisx, local_c);
+    this->somePosX = thisx->posRot.pos.x;
+    this->somePosY = thisx->posRot.pos.y;
+    this->somePosZ = thisx->posRot.pos.z;
+    if ((gSaveContext.inf_table[7] & 0x40) || (gSaveContext.event_chk_inf[4] & 0x20)) {
+        if (globalCtx->sceneNum == SCENE_SPOT01) {
+            thisx->posRot.pos.x = -89.0f;
+            thisx->posRot.pos.z = -1375.0f;
+        }
+    }
+    thisx->scale.x = 1.0f;
+    thisx->scale.y = 1.0f;
+    thisx->scale.z = 1.0f;
+    osSyncPrintf("\n\n");
+    osSyncPrintf(VT_FGCOL(GREEN) " ☆☆☆☆☆ 柵でたなぁ ☆☆☆☆☆ \n" VT_RST);
+    this->actionFunc = (ActorFunc)func_8087828C;
+}
 
-#pragma GLOBAL_ASM("asm/non_matchings/overlays/actors/ovl_Bg_Gate_Shutter/func_808783AC.s")
+static void BgGateShutter_Destroy(BgGateShutter* this, GlobalContext* globalCtx) {
+    DynaPolyInfo_Free(globalCtx, &globalCtx->colCtx.dyna, this->dyna.dynaPolyId);
+}
 
-#pragma GLOBAL_ASM("asm/non_matchings/overlays/actors/ovl_Bg_Gate_Shutter/func_808783D4.s")
+static void func_8087828C(BgGateShutter* this, GlobalContext* globalCtx) {
+    if (this->unk_168 == 1) {
+        if (!(gSaveContext.inf_table[7] & 0x40)) {
+            this->unk_178 = 2;
+            this->actionFunc = (ActorFunc)func_80878300;
+            return;
+        }
+    }
+    if (this->unk_168 == 2) {
+        this->unk_178 = 2;
+        this->actionFunc = (ActorFunc)func_80878300;
+        return;
+    }
+    if (this->unk_168 < 0) {
+        this->unk_178 = 2;
+        this->actionFunc = (ActorFunc)func_808783D4;
+    }
+}
 
-#pragma GLOBAL_ASM("asm/non_matchings/overlays/actors/ovl_Bg_Gate_Shutter/BgGateShutter_Update.s")
+static void func_80878300(BgGateShutter* this, GlobalContext* globalCtx) {
+    Actor* thisx = &this->dyna.actor;
 
-#pragma GLOBAL_ASM("asm/non_matchings/overlays/actors/ovl_Bg_Gate_Shutter/BgGateShutter_Draw.s")
+    if (this->unk_178 == 0) {
+        Audio_PlayActorSound2(thisx, 0x2067);
+        thisx->posRot.pos.x -= 2.0f;
+        Math_SmoothScaleMaxF(&thisx->posRot.pos.z, -1375.0f, 0.8f, 0.3f);
+        if (thisx->posRot.pos.x < -89.0f) {
+            Audio_PlayActorSound2(thisx, NA_SE_EV_BRIDGE_OPEN_STOP);
+            this->unk_178 = 0x1E;
+            this->actionFunc = (ActorFunc)func_808783AC;
+        }
+    }
+}
+
+static void func_808783AC(BgGateShutter* this, GlobalContext* globalCtx) {
+    if (this->unk_178 == 0) {
+        this->unk_168 = 0;
+        this->actionFunc = (ActorFunc)func_8087828C;
+    }
+}
+
+static void func_808783D4(BgGateShutter* this, GlobalContext* globalCtx) {
+    Actor* thisx = &this->dyna.actor;
+
+    if (this->unk_178 == 0) {
+        Audio_PlayActorSound2(thisx, 0x2067);
+        thisx->posRot.pos.x += 2.0f;
+        Math_SmoothScaleMaxF(&thisx->posRot.pos.z, -1350.0f, 0.8f, 0.3f);
+        if (thisx->posRot.pos.x > 90.0f) {
+            thisx->posRot.pos.x = 91.0f;
+            Audio_PlayActorSound2(thisx, NA_SE_EV_BRIDGE_OPEN_STOP);
+            this->unk_178 = 30;
+            this->actionFunc = (ActorFunc)func_808783AC;
+        }
+    }
+}
+
+static void BgGateShutter_Update(BgGateShutter* this, GlobalContext* globalCtx) {
+    if (this->unk_178 != 0) {
+        this->unk_178 -= 1;
+    }
+    this->actionFunc(this, globalCtx);
+}
+
+static void BgGateShutter_Draw(BgGateShutter* this, GlobalContext* globalCtx) {
+    GraphicsContext* gfxCtx = globalCtx->state.gfxCtx;
+    Gfx* gfxArr[4];
+
+    func_800C6AC4(gfxArr, globalCtx->state.gfxCtx, "../z_bg_gate_shutter.c", 323);
+    func_80093D18(globalCtx->state.gfxCtx);
+
+    gSPMatrix(gfxCtx->polyOpa.p++, Matrix_NewMtx(globalCtx->state.gfxCtx, "../z_bg_gate_shutter.c", 328),
+              G_MTX_NOPUSH | G_MTX_LOAD | G_MTX_MODELVIEW);
+    gSPDisplayList(gfxCtx->polyOpa.p++, &D_06001CD0);
+    
+    func_800C6B54(gfxArr, globalCtx->state.gfxCtx, "../z_bg_gate_shutter.c", 333);
+}
diff --git a/src/overlays/actors/ovl_Bg_Gate_Shutter/z_bg_gate_shutter.h b/src/overlays/actors/ovl_Bg_Gate_Shutter/z_bg_gate_shutter.h
index 0ba1fccc8b..a567112cfc 100644
--- a/src/overlays/actors/ovl_Bg_Gate_Shutter/z_bg_gate_shutter.h
+++ b/src/overlays/actors/ovl_Bg_Gate_Shutter/z_bg_gate_shutter.h
@@ -6,8 +6,15 @@
 
 typedef struct
 {
-    /* 0x0000 */ Actor actor;
-    /* 0x014C */ char unk_14C[0x30];
+    /* 0x0000 */ DynaPolyActor dyna;
+    /* 0x0164 */ ActorFunc actionFunc;
+    /* 0x0168 */ s16 unk_168;
+    /* 0x016A */ char unk_16A[0x2];
+    /* 0x016C */ f32 somePosX;
+    /* 0x0170 */ f32 somePosY;
+    /* 0x0174 */ f32 somePosZ;
+    /* 0x0178 */ s16 unk_178;
+    /* 0x017A */ char unk_17A[0x2];
 } BgGateShutter; // size = 0x017C
 
 extern const ActorInit Bg_Gate_Shutter_InitVars;
diff --git a/undefined_syms.txt b/undefined_syms.txt
index 1e6763936b..b55bcdce50 100644
--- a/undefined_syms.txt
+++ b/undefined_syms.txt
@@ -239,6 +239,10 @@ D_06000B70 = 0x06000B70;
 // z_effect_ss_extra
 D_06000DC0 = 0x06000DC0;
 
+// z_bg_gate_shutter
+D_06001CD0 = 0x06001CD0;
+D_06001DA8 = 0x06001DA8;
+
 // z_bg_gjyo_bridge
 D_06000600 = 0x06000600;
 D_06000DB8 = 0x06000DB8;