X-Git-Url: https://git.notmuchmail.org/git?a=blobdiff_plain;f=lib%2Fthread.cc;h=fd0e1393be51f17011ca3b96b190f8a8159ce606;hb=e9206b5ed659baa4438e3be1e30c9e806450b59a;hp=c9c9398fd9d0788e2cebe86d43848ebc82a5a412;hpb=6682b4e686b7972883626c9b0f941ae4bf02dedb;p=notmuch

diff --git a/lib/thread.cc b/lib/thread.cc
index c9c9398f..fd0e1393 100644
--- a/lib/thread.cc
+++ b/lib/thread.cc
@@ -30,8 +30,6 @@
 #define THREAD_DEBUG(format, ...) do {} while (0) /* ignored */
 #endif
 
-#define EMPTY_STRING(s) ((s)[0] == '\0')
-
 struct _notmuch_thread {
     notmuch_database_t *notmuch;
     char *thread_id;