diff --git a/keyboards/helix/rev3_4rows/config.h b/keyboards/helix/rev3_4rows/config.h
index 712d95ebcd..b1167ca56b 100644
--- a/keyboards/helix/rev3_4rows/config.h
+++ b/keyboards/helix/rev3_4rows/config.h
@@ -17,8 +17,6 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 #pragma once
 
-#include <stdio.h>
-
 /* key matrix size */
 #define MATRIX_ROWS 8
 #define MATRIX_COLS 7
diff --git a/keyboards/helix/rev3_4rows/keymaps/default/oled_display.c b/keyboards/helix/rev3_4rows/keymaps/default/oled_display.c
index e951f627c8..ee5277a7df 100644
--- a/keyboards/helix/rev3_4rows/keymaps/default/oled_display.c
+++ b/keyboards/helix/rev3_4rows/keymaps/default/oled_display.c
@@ -16,6 +16,8 @@
 
 #include QMK_KEYBOARD_H
 
+#include <stdio.h>
+
 // Defines names for use in layer keycodes and the keymap
 enum layer_names {
   _QWERTY = 0,
diff --git a/keyboards/helix/rev3_4rows/keymaps/via/oled_display.c b/keyboards/helix/rev3_4rows/keymaps/via/oled_display.c
index e951f627c8..ee5277a7df 100644
--- a/keyboards/helix/rev3_4rows/keymaps/via/oled_display.c
+++ b/keyboards/helix/rev3_4rows/keymaps/via/oled_display.c
@@ -16,6 +16,8 @@
 
 #include QMK_KEYBOARD_H
 
+#include <stdio.h>
+
 // Defines names for use in layer keycodes and the keymap
 enum layer_names {
   _QWERTY = 0,
diff --git a/keyboards/helix/rev3_5rows/config.h b/keyboards/helix/rev3_5rows/config.h
index 658b3bcd4c..b4b2dac0ba 100644
--- a/keyboards/helix/rev3_5rows/config.h
+++ b/keyboards/helix/rev3_5rows/config.h
@@ -17,8 +17,6 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 #pragma once
 
-#include <stdio.h>
-
 /* key matrix size */
 #define MATRIX_ROWS 10
 #define MATRIX_COLS 7
diff --git a/keyboards/helix/rev3_5rows/keymaps/default/oled_display.c b/keyboards/helix/rev3_5rows/keymaps/default/oled_display.c
index e951f627c8..ee5277a7df 100644
--- a/keyboards/helix/rev3_5rows/keymaps/default/oled_display.c
+++ b/keyboards/helix/rev3_5rows/keymaps/default/oled_display.c
@@ -16,6 +16,8 @@
 
 #include QMK_KEYBOARD_H
 
+#include <stdio.h>
+
 // Defines names for use in layer keycodes and the keymap
 enum layer_names {
   _QWERTY = 0,
diff --git a/keyboards/helix/rev3_5rows/keymaps/via/oled_display.c b/keyboards/helix/rev3_5rows/keymaps/via/oled_display.c
index e951f627c8..ee5277a7df 100644
--- a/keyboards/helix/rev3_5rows/keymaps/via/oled_display.c
+++ b/keyboards/helix/rev3_5rows/keymaps/via/oled_display.c
@@ -16,6 +16,8 @@
 
 #include QMK_KEYBOARD_H
 
+#include <stdio.h>
+
 // Defines names for use in layer keycodes and the keymap
 enum layer_names {
   _QWERTY = 0,