diff --git a/include/mbedtls/chacha20.h b/include/mbedtls/chacha20.h
index 441aaa4..25e1a26 100644
--- a/include/mbedtls/chacha20.h
+++ b/include/mbedtls/chacha20.h
@@ -33,11 +33,7 @@
 #define MBEDTLS_CHACHA20_H
 #include "mbedtls/private_access.h"
 
-#if !defined(MBEDTLS_CONFIG_FILE)
-#include "mbedtls/config.h"
-#else
-#include MBEDTLS_CONFIG_FILE
-#endif
+#include "mbedtls/build_info.h"
 
 #include <stdint.h>
 #include <stddef.h>