diff --git a/hb/common/include/debug_file.h b/hb/common/include/debug_file.h
index 29dbf689e..4660cd87b 100644
--- a/hb/common/include/debug_file.h
+++ b/hb/common/include/debug_file.h
@@ -20,9 +20,12 @@
 #define DEBUG_FILE_H
 
 #include "my_fat.h"
+#include "hex.h"
 
 u32 dbg_printf(const char* message);
-u32 dbg_hexa(u32 n);
-void enableDebug(aFile debugFileCluster);
+static inline u32 dbg_hexa(u32 n) {
+	return dbg_printf(tohex(n));
+}
+void enableDebug(const aFile* debugFileCluster);
 
 #endif // DEBUG_FILE_H
diff --git a/hb/common/source/debug_file.c b/hb/common/source/debug_file.c
index d409c00ea..cd85ecd2e 100644
--- a/hb/common/source/debug_file.c
+++ b/hb/common/source/debug_file.c
@@ -21,7 +21,6 @@
 #include <string.h>
 #include <nds/debug.h>
 #include "my_fat.h"
-#include "hex.h"
 
 static bool _debug = false;
 static aFile _debugFileCluster;
@@ -46,8 +45,4 @@ u32 dbg_printf(const char* message) {
 	return ret;
 }
 
-u32 dbg_hexa(u32 n) {
-	return dbg_printf(tohex(n));
-}
-
 #endif
\ No newline at end of file
diff --git a/retail/common/include_fat/debug_file.h b/retail/common/include_fat/debug_file.h
index cd683b4c7..4660cd87b 100644
--- a/retail/common/include_fat/debug_file.h
+++ b/retail/common/include_fat/debug_file.h
@@ -20,9 +20,12 @@
 #define DEBUG_FILE_H
 
 #include "my_fat.h"
+#include "hex.h"
 
 u32 dbg_printf(const char* message);
-u32 dbg_hexa(u32 n);
+static inline u32 dbg_hexa(u32 n) {
+	return dbg_printf(tohex(n));
+}
 void enableDebug(const aFile* debugFileCluster);
 
 #endif // DEBUG_FILE_H
diff --git a/retail/common/source/debug_file.c b/retail/common/source/debug_file.c
index 650939dae..da9c85e6f 100644
--- a/retail/common/source/debug_file.c
+++ b/retail/common/source/debug_file.c
@@ -19,7 +19,6 @@
 #include <string.h>
 #include <nds/debug.h>
 #include "my_fat.h"
-#include "hex.h"
 
 static bool _debug = false;
 static aFile _debugFileCluster;
@@ -45,7 +44,3 @@ u32 dbg_printf(const char* message) {
 
 	return ret;
 }
-
-u32 dbg_hexa(u32 n) {
-	return dbg_printf(tohex(n));
-}