diff --git a/STM32/CM7/Core/Inc/ring_buffer.h b/STM32/CM7/Core/Inc/ring_buffer.h
index 17590d7..294462f 100644
--- a/STM32/CM7/Core/Inc/ring_buffer.h
+++ b/STM32/CM7/Core/Inc/ring_buffer.h
@@ -1,7 +1,7 @@
 // Copyright (C) 2026 Hector van der Aa <hector@h3cx.dev>
 // Copyright (C) 2026 Association Exergie <association.exergie@gmail.com>
 // SPDX-License-Identifier: GPL-3.0-or-later
-
+#pragma once
 #include <stdint.h>
 typedef struct ring_buffer_t {
   uint32_t buffer[256];
diff --git a/STM32/CM7/Core/Src/ring_buffer.c b/STM32/CM7/Core/Src/ring_buffer.c
index c55b86c..eea6da1 100644
--- a/STM32/CM7/Core/Src/ring_buffer.c
+++ b/STM32/CM7/Core/Src/ring_buffer.c
@@ -6,12 +6,12 @@
 #include <ring_buffer.h>
 #include <stdbool.h>
 
-inline void ringBufferPush(ring_buffer_t *rb, uint32_t value) {
+void ringBufferPush(ring_buffer_t *rb, uint32_t value) {
   rb->buffer[rb->w_head] = value;
   rb->w_head++;
   return;
 }
 
-inline uint32_t ringBufferRead(ring_buffer_t *rb, uint8_t idx) {
+uint32_t ringBufferRead(ring_buffer_t *rb, uint8_t idx) {
   return rb->buffer[rb->w_head - 1 - idx];
 }