diff --git a/trie/trie.c b/trie/trie.c
index de7146e..8d2b463 100644
--- a/trie/trie.c
+++ b/trie/trie.c
@@ -1,6 +1,5 @@
 #include "trie.h"
 
-#define RULE_NOT_FOUND -1
 #define GET_BIT(key, bit) ( ( key.s[ bit / 16 ] & (1u << (15 - bit % 16)) ) != 0 )
 
 trie_node_t create_node() {