diff --git a/src/floppy/fdd.c b/src/floppy/fdd.c
index 8ab8c315a..1ea1ca9ff 100644
--- a/src/floppy/fdd.c
+++ b/src/floppy/fdd.c
@@ -383,6 +383,14 @@ fdd_is_dd(int drive)
     return (drive_types[fdd[drive].type].flags & 0x70) == 0x10;
 }
 
+#if 0
+int
+fdd_is_hd(int drive)
+{
+    return drive_types[fdd[drive].type].flags & FLAG_HOLE1;
+}
+#endif
+
 int
 fdd_is_ed(int drive)
 {
diff --git a/src/include/86box/fdd.h b/src/include/86box/fdd.h
index 92efd9fd5..5d8da47a0 100644
--- a/src/include/86box/fdd.h
+++ b/src/include/86box/fdd.h
@@ -42,6 +42,9 @@ extern int  fdd_can_read_medium(int drive);
 extern int  fdd_doublestep_40(int drive);
 extern int  fdd_is_525(int drive);
 extern int  fdd_is_dd(int drive);
+#if 0
+extern int  fdd_is_hd(int drive);
+#endif
 extern int  fdd_is_ed(int drive);
 extern int  fdd_is_double_sided(int drive);
 extern void fdd_set_head(int drive, int head);