diff --git a/bindings/ruby/rbsigar.c b/bindings/ruby/rbsigar.c
index 2dd20b9e..37db95cd 100644
--- a/bindings/ruby/rbsigar.c
+++ b/bindings/ruby/rbsigar.c
@@ -29,8 +29,6 @@
 #include "sigar_log.h"
 #include "sigar_format.h"
 #include "sigar_ptql.h"
-#include "sigar_private.h"
-#include "sigar_util.h"
 
 #define RB_SIGAR_RAISE(msg) rb_raise(rb_eArgError, "%s", msg)
 #define RB_SIGAR_CROAK RB_SIGAR_RAISE(sigar_strerror(sigar, status))