diff --git a/include/carthandle.h b/include/carthandle.h
new file mode 100644
index 0000000000..72d0821e56
--- /dev/null
+++ b/include/carthandle.h
@@ -0,0 +1,8 @@
+#ifndef CARTHANDLE_H
+#define CARTHANDLE_H
+
+#include "ultra64.h"
+
+extern OSPiHandle* gCartHandle;
+
+#endif
diff --git a/include/variables.h b/include/variables.h
index 2b088fa0c0..7b13134158 100644
--- a/include/variables.h
+++ b/include/variables.h
@@ -10,7 +10,6 @@ extern u16 gFramebuffer1[SCREEN_HEIGHT][SCREEN_WIDTH]; // at 0x80000500
 extern u8 D_80025D00[];
 
 // data
-extern OSPiHandle* gCartHandle;
 extern size_t gDmaMgrDmaBuffSize;
 extern vs32 gIrqMgrResetStatus;
 extern volatile OSTime sIrqMgrResetTime;
diff --git a/spec b/spec
index 9a2a669083..1344fcadee 100644
--- a/spec
+++ b/spec
@@ -17,7 +17,7 @@ beginseg
     include "build/data/boot/rspboot.data.o"
     include "build/src/boot/idle.o"
     include "build/src/boot/viconfig.o"
-    include "build/data/boot/viconfig.data.o"
+    include "build/src/boot/carthandle.o"
     include "build/src/boot/z_std_dma.o"
     include "build/src/boot/yaz0.o"
     include "build/src/boot/irqmgr.o"
@@ -42,7 +42,7 @@ beginseg
     include "build/src/boot/O2/system_malloc.o"
     include "build/src/boot/O2/rand.o"
     include "build/src/boot/O2/__osMalloc.o"
-    include "build/src/libultra/libc/sprintf.o"
+    include "build/src/boot/O2/sprintf.o"
     include "build/src/boot/O2/printutils.o"
     include "build/src/boot/O2/sleep.o"
     include "build/asm/boot/setcause.text.o"
diff --git a/src/libultra/libc/sprintf.c b/src/boot/O2/sprintf.c
similarity index 100%
rename from src/libultra/libc/sprintf.c
rename to src/boot/O2/sprintf.c
diff --git a/src/boot/boot_main.c b/src/boot/boot_main.c
index cc2097f0f6..0f95871eaf 100644
--- a/src/boot/boot_main.c
+++ b/src/boot/boot_main.c
@@ -1,5 +1,5 @@
 #include "prevent_bss_reordering.h"
-#include "global.h"
+#include "carthandle.h"
 #include "idle.h"
 #include "stack.h"
 #include "stackcheck.h"
diff --git a/src/boot/carthandle.c b/src/boot/carthandle.c
new file mode 100644
index 0000000000..9a4cf542d8
--- /dev/null
+++ b/src/boot/carthandle.c
@@ -0,0 +1,3 @@
+#include "carthandle.h"
+
+OSPiHandle* gCartHandle = NULL;
diff --git a/src/boot/viconfig.c b/src/boot/viconfig.c
index ccba4e9324..1b9f1135c5 100644
--- a/src/boot/viconfig.c
+++ b/src/boot/viconfig.c
@@ -1,4 +1,4 @@
-#include "global.h"
+#include "libc/stdbool.h"
 #include "idle.h"
 
 void ViConfig_UpdateVi(u32 black) {
diff --git a/src/boot/z_std_dma.c b/src/boot/z_std_dma.c
index ac49922645..5b52656295 100644
--- a/src/boot/z_std_dma.c
+++ b/src/boot/z_std_dma.c
@@ -1,8 +1,10 @@
 #include "prevent_bss_reordering.h"
 #include "global.h"
+#include "carthandle.h"
 #include "fault.h"
 #include "stack.h"
 #include "stackcheck.h"
+#include "z64dma.h"
 #include "z64thread.h"
 
 size_t gDmaMgrDmaBuffSize = 0x2000;
diff --git a/tools/disasm/files.txt b/tools/disasm/files.txt
index 23539f5f0d..e170e97e33 100644
--- a/tools/disasm/files.txt
+++ b/tools/disasm/files.txt
@@ -247,7 +247,7 @@
             # .data section
             0x800969C0 : "rspboot",
             0x80096B20 : "idle",
-            0x80096B40 : "viconfig",
+            0x80096B40 : "carthandle",
             0x80096B50 : "z_std_dma",
             0x80096B60 : "irqmgr",
             0x80096B80 : "fault",