diff --git a/EncryptInplace.cpp b/EncryptInplace.cpp
index 9aa2a21..4ffb8cd 100644
--- a/EncryptInplace.cpp
+++ b/EncryptInplace.cpp
@@ -18,7 +18,6 @@
 
 #include <stdio.h>
 #include <stdint.h>
-#include <stdbool.h>
 #include <inttypes.h>
 #include <time.h>
 #include <sys/types.h>