diff --git a/src/lib/encrypter.c b/src/lib/encrypter.c
index a93ff7c..a225202 100644
--- a/src/lib/encrypter.c
+++ b/src/lib/encrypter.c
@@ -3,7 +3,6 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
-#include <math.h>
 #include <sys/time.h>
 #include <unistd.h>