diff --git a/src/btstack_ring_buffer.c b/src/btstack_ring_buffer.c
index bef680159..b9277a932 100644
--- a/src/btstack_ring_buffer.c
+++ b/src/btstack_ring_buffer.c
@@ -44,11 +44,10 @@
 
 #include <string.h>
 
+#include "bluetooth.h"
 #include "btstack_ring_buffer.h"
 #include "btstack_util.h"
 
-#define ERROR_CODE_MEMORY_CAPACITY_EXCEEDED 0x07
-
 
 // init ring buffer
 void btstack_ring_buffer_init(btstack_ring_buffer_t * ring_buffer, uint8_t * storage, uint32_t storage_size){