diff --git a/src/fundamental/sha256-fundamental.c b/src/fundamental/sha256-fundamental.c
index f8524bae69..03381835d6 100644
--- a/src/fundamental/sha256-fundamental.c
+++ b/src/fundamental/sha256-fundamental.c
@@ -21,14 +21,8 @@
    License along with the GNU C Library; if not, see
    <https://www.gnu.org/licenses/>.  */
 
-#include <stdbool.h>
-#if SD_BOOT
-#  include "efi-string.h"
-#else
-#  include <string.h>
-#endif
-
 #include "macro-fundamental.h"
+#include "memory-util-fundamental.h"
 #include "sha256-fundamental.h"
 #include "unaligned-fundamental.h"