diff --git a/keyboards/helix/rev2/keymaps/five_rows/config.h b/keyboards/helix/rev2/keymaps/five_rows/config.h
index 4d70cbce23..10d9fc1c4b 100644
--- a/keyboards/helix/rev2/keymaps/five_rows/config.h
+++ b/keyboards/helix/rev2/keymaps/five_rows/config.h
@@ -119,12 +119,4 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
   #define USB_MAX_POWER_CONSUMPTION 100
 #endif
 
-#define SERIAL_DEBUG_MODE_WATCH_OUTMODE 0
-#define SERIAL_DEBUG_MODE_WATCH_RCVSAMPLE 1
-#define SERIAL_DEBUG_MODE_WATCH_SYNC 2
-//#define SERIAL_DEBUG_MODE SERIAL_DEBUG_MODE_WATCH_OUTMODE
-//#define SERIAL_DEBUG_MODE SERIAL_DEBUG_MODE_WATCH_RCVSAMPLE
-//#define SERIAL_DEBUG_MODE SERIAL_DEBUG_MODE_WATCH_SYNC
-#define SERIAL_DEBUG_MODE (SERIAL_DEBUG_MODE_WATCH_RCVSAMPLE|SERIAL_DEBUG_MODE_WATCH_SYNC)
-
 #endif /* CONFIG_USER_H */
diff --git a/keyboards/helix/serial.h b/keyboards/helix/serial.h
index 8e48f5e094..5f185f3137 100644
--- a/keyboards/helix/serial.h
+++ b/keyboards/helix/serial.h
@@ -24,12 +24,6 @@
 #define SERIAL_MASTER_BUFFER_LENGTH MATRIX_ROWS/2
 #endif
 
-#ifdef SERIAL_DEBUG_MODE
-#define SERIAL_DBGPIN_DDR DDRB
-#define SERIAL_DBGPIN_PORT PORTB
-#define SERIAL_DBGPIN_MASK _BV(PB5)
-#endif
-
 // Buffers for master - slave communication
 extern volatile uint8_t serial_slave_buffer[SERIAL_SLAVE_BUFFER_LENGTH];
 extern volatile uint8_t serial_master_buffer[SERIAL_MASTER_BUFFER_LENGTH];
@@ -39,4 +33,24 @@ void serial_slave_init(void);
 int serial_update_buffers(void);
 bool serial_slave_data_corrupt(void);
 
+#define SERIAL_DEBUG_MODE_WATCH_OUTMODE 1
+#define SERIAL_DEBUG_MODE_WATCH_RCVSAMPLE 2
+#define SERIAL_DEBUG_MODE_WATCH_BYTEWIDTH 4
+#define SERIAL_DEBUG_MODE_WATCH_SYNC 8
+#define SERIAL_DEBUG_MODE_WATCH_IOCHG 16
+
+//#define SERIAL_DEBUG_MODE SERIAL_DEBUG_MODE_WATCH_OUTMODE
+#define SERIAL_DEBUG_MODE SERIAL_DEBUG_MODE_WATCH_RCVSAMPLE
+//#define SERIAL_DEBUG_MODE SERIAL_DEBUG_MODE_WATCH_BYTEWIDTH
+//#define SERIAL_DEBUG_MODE (SERIAL_DEBUG_MODE_WATCH_RCVSAMPLE|SERIAL_DEBUG_MODE_WATCH_BYTEWIDTH)
+//#define SERIAL_DEBUG_MODE SERIAL_DEBUG_MODE_WATCH_SYNC
+//#define SERIAL_DEBUG_MODE (SERIAL_DEBUG_MODE_WATCH_RCVSAMPLE|SERIAL_DEBUG_MODE_WATCH_SYNC)
+//#define SERIAL_DEBUG_MODE SERIAL_DEBUG_MODE_WATCH_IOCHG
+
+#ifdef SERIAL_DEBUG_MODE
+#define SERIAL_DBGPIN_DDR DDRB
+#define SERIAL_DBGPIN_PORT PORTB
+#define SERIAL_DBGPIN_MASK _BV(PB5)
+#endif
+
 #endif