diff --git a/src/fen.c b/src/fen.c
index 9005986..58e923e 100644
--- a/src/fen.c
+++ b/src/fen.c
@@ -21,9 +21,7 @@
 #include <bug.h>
 
 #include "chessdefs.h"
-#include "util.h"
-//#include "piece.h"
-//#include "bitboard.h"
+#include "misc.h"
 #include "position.h"
 #include "fen.h"
 
diff --git a/src/hash.c b/src/hash.c
index dfdb50a..4fc5ba6 100644
--- a/src/hash.c
+++ b/src/hash.c
@@ -18,7 +18,7 @@
 #include <bitops.h>
 
 #include "chessdefs.h"
-#include "util.h"
+#include "misc.h"
 #include "position.h"
 #include "piece.h"
 #include "hash.h"
diff --git a/src/position.c b/src/position.c
index bf965d4..cd2f8f1 100644
--- a/src/position.c
+++ b/src/position.c
@@ -27,7 +27,7 @@
 #include "hyperbola-quintessence.h"
 #include "fen.h"
 #include "piece.h"
-#include "util.h"
+#include "misc.h"
 #include "board.h"
 #include "attack.h"
 
diff --git a/src/util.c b/src/util.c
deleted file mode 100644
index 6751b28..0000000
--- a/src/util.c
+++ /dev/null
@@ -1,18 +0,0 @@
-/* util.c - various util functions.
- *
- * Copyright (C) 2024 Bruno Raoult ("br")
- * Licensed under the GNU General Public License v3.0 or later.
- * Some rights reserved. See COPYING.
- *
- * You should have received a copy of the GNU General Public License along with this
- * program. If not, see <https://www.gnu.org/licenses/gpl-3.0-standalone.html>.
- *
- * SPDX-License-Identifier: GPL-3.0-or-later <https://spdx.org/licenses/GPL-3.0-or-later.html>
- *
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-
-#include "util.h"
-#include "bitboard.h"