diff --git a/src/cpHastySpace.c b/src/cpHastySpace.c

index 8dca425..101d6d5 100644

--- a/src/cpHastySpace.c

+++ b/src/cpHastySpace.c

@@ -8,7 +8,6 @@

 //#include <sys/param.h >

 #ifndef _WIN32

-#include <sys/sysctl.h>

 #include <pthread.h>

 #else

 #ifndef WIN32_LEAN_AND_MEAN