diff --git a/samples/cgroup/memcg_event_listener.c b/samples/cgroup/memcg_event_listener.c
index a1667fe2489a..41425edbd88a 100644
--- a/samples/cgroup/memcg_event_listener.c
+++ b/samples/cgroup/memcg_event_listener.c
@@ -18,8 +18,6 @@
 #include <sys/inotify.h>
 #include <unistd.h>
 
-#define MEMCG_EVENTS "memory.events"
-
 /* Size of buffer to use when reading inotify events */
 #define INOTIFY_BUFFER_SIZE 8192