diff --git a/include/mbedtls/hkdf.h b/include/mbedtls/hkdf.h
index 2e6b363..81a6270 100644
--- a/include/mbedtls/hkdf.h
+++ b/include/mbedtls/hkdf.h
@@ -25,11 +25,7 @@
 #ifndef MBEDTLS_HKDF_H
 #define MBEDTLS_HKDF_H
 
-#if !defined(MBEDTLS_CONFIG_FILE)
-#include "mbedtls/config.h"
-#else
-#include MBEDTLS_CONFIG_FILE
-#endif
+#include "mbedtls/build_info.h"
 
 #include "mbedtls/md.h"