diff --git a/src/bitmap.h b/src/bitmap.h
index b5a3457..912c645 100644
--- a/src/bitmap.h
+++ b/src/bitmap.h
@@ -5,6 +5,9 @@
 #define BITMAP_SIZE (BITMAP_SIDE * (BITMAP_SIDE / 8))
 #define BITMAP_BITS (BITMAP_SIZE * 8)
 
+#define CHAR_USED '@'
+#define CHAR_NONE '-'
+
 typedef unsigned char bitmap_t[BITMAP_SIZE];
 
 int
diff --git a/src/database.c b/src/database.c
index c03f708..26b8519 100644
--- a/src/database.c
+++ b/src/database.c
@@ -42,9 +42,6 @@
     return -1; \
   }
 
-#define CHAR_USED '@'
-#define CHAR_NONE '-'
-
 const char *imdb_hdr_fmt = "IMDB v%02u, CAPS: %s;";
 
 int imdb_init(imdb_t *db, const char *path)
diff --git a/src/util.c b/src/util.c
index ec75e3d..a27196f 100644
--- a/src/util.c
+++ b/src/util.c
@@ -21,9 +21,6 @@
 #include <unistd.h>
 #include <getopt.h>
 
-#define CHAR_USED '@'
-#define CHAR_NONE '-'
-
 void usage(int exitcode) {
     printf(
 "Usage: imdb-util <opts>\n"