diff --git a/linker_scripts/us/symbol_addrs.txt b/linker_scripts/us/symbol_addrs.txt
index 54b7d4f..4e89f66 100644
--- a/linker_scripts/us/symbol_addrs.txt
+++ b/linker_scripts/us/symbol_addrs.txt
@@ -86,7 +86,7 @@ D_879060C4 = 0x879060C4;
 miniHudTransparency = 0x879060C8;
 gShowCPUProfiler = 0x80068BC0;
 gShowMEMProfiler = 0x80068BC4;
-gDisplayListHead = 0x800A7420;
+gDisplayListHead = 0x800A7420; // defined:true size:0x4
 gMemPool = 0x800A6070;
 text_bss_VRAM = 0x8007ED80;
 gHeap = 0x80104BB0;
@@ -247,7 +247,8 @@ D_87A01178 = 0x87A01178;
 D_87A01180 = 0x87A01180;
 D_87A01190 = 0x87A01190;
 D_87A011A4 = 0x87A011A4;
-D_800A7428 = 0x800A7428;
+D_800A7428 = 0x800A7428; // defined:true size:0x12
+D_800A7440 = 0x800A7440; // defined:true size:0x8
 D_80079014 = 0x80079014;
 D_3004000 = 0x3004000;
 D_8780FCB8 = 0x8780FCB8; // size:0x20
diff --git a/src/6A40.c b/src/6A40.c
index 5d5a097..3184570 100644
--- a/src/6A40.c
+++ b/src/6A40.c
@@ -1,15 +1,17 @@
 #include "global.h"
 #include "6A40.h"
 
-struct UnkStruct800A7428 {
+typedef struct UnkStruct800A7428 {
     u32* unk0;
     u32* unk4;
     u32 unk8;
     s32 unkC;
     s16 unk10;
-};
+} UnkStruct800A7428; // size = 0x12
 
-extern struct UnkStruct800A7428 D_800A7428;
+Gfx* gDisplayListHead;
+UnkStruct800A7428 D_800A7428;
+unk_D_800A7440 D_800A7440;
 
 void func_80005EDC(void);
 
diff --git a/src/profiler.c b/src/profiler.c
index 9db1c35..4c05802 100644
--- a/src/profiler.c
+++ b/src/profiler.c
@@ -2,8 +2,6 @@
 #include "profiler.h"
 #include "5580.h"
 
-extern Gfx* gDisplayListHead;
-
 struct Profiler gProfiler;
 
 /*
diff --git a/yamls/us/rom.yaml b/yamls/us/rom.yaml
index 0b490db..3e5d0f6 100644
--- a/yamls/us/rom.yaml
+++ b/yamls/us/rom.yaml
@@ -504,7 +504,7 @@
     - {vram: 0x800A62E0, type: .bss, name: 5580}
     - {vram: 0x800A6D20, type: .bss, name: reset}
     - {vram: 0x800A7320, type: .bss, name: controller}
-    - {vram: 0x800A7420, type:  bss, name: unk_bss_3} # 6A40
+    - {vram: 0x800A7420, type: .bss, name: 6A40}
     - {vram: 0x800A7450, type: .bss, name: stage_loader}
     - {vram: 0x800A74C0, type: .bss, name: crash_screen}
     - {vram: 0x800A7EA0, type: .bss, name: profiler}