diff --git a/src/exchangedb/exchangedb_denomkeys.c b/src/exchangedb/exchangedb_denomkeys.c
index be2ee66b2..fad15cd54 100644
--- a/src/exchangedb/exchangedb_denomkeys.c
+++ b/src/exchangedb/exchangedb_denomkeys.c
@@ -164,7 +164,7 @@ TALER_EXCHANGEDB_denomination_key_read (const char *filename,
         (GNUNET_TIME_absolute_ntoh (
           dki->issue.properties.expire_withdraw)).rel_value_us)
   {
-    if (0 != UNLINK (filename))
+    if (0 != unlink (filename))
     {
       GNUNET_log_strerror_file (GNUNET_ERROR_TYPE_ERROR,
                                 "unlink",
diff --git a/src/exchangedb/exchangedb_signkeys.c b/src/exchangedb/exchangedb_signkeys.c
index 10e4f7a65..0c46c1ff1 100644
--- a/src/exchangedb/exchangedb_signkeys.c
+++ b/src/exchangedb/exchangedb_signkeys.c
@@ -78,7 +78,7 @@ signkeys_iterate_dir_iter (void *cls,
   if (0 == GNUNET_TIME_absolute_get_remaining
         (GNUNET_TIME_absolute_ntoh (issue.issue.expire)).rel_value_us)
   {
-    if (0 != UNLINK (filename))
+    if (0 != unlink (filename))
     {
       GNUNET_log_strerror_file (GNUNET_ERROR_TYPE_ERROR,
                                 "unlink",