diff --git a/configure.ac b/configure.ac
index 1eb7b41a..5dd68b2d 100644
--- a/configure.ac
+++ b/configure.ac
@@ -43,7 +43,6 @@ case $host_os in
      SRC_OS="darwin"
      AC_DEFINE(DARWIN,[],[running on MacOS X])
      AC_DEFINE(SIGAR_TEST_OS_DARWIN, [1], [for the tests])
-     SIGAR_INCLUDES="-I /Developer/Headers/FlatCarbon/"
      SIGAR_LIBS="-framework IOKit -framework CoreServices"
      ;;
      *netbsd*)
diff --git a/src/os/darwin/darwin_sigar.c b/src/os/darwin/darwin_sigar.c
index c820162c..127b9a9f 100644
--- a/src/os/darwin/darwin_sigar.c
+++ b/src/os/darwin/darwin_sigar.c
@@ -50,9 +50,8 @@
 #endif
 #include <mach-o/dyld.h>
 #define __OPENTRANSPORTPROVIDERS__
-#include <Gestalt.h>
-#include <CFString.h>
 #include <CoreFoundation/CoreFoundation.h>
+#include <CoreServices/CoreServices.h>
 #include <IOKit/IOBSD.h>
 #include <IOKit/IOKitLib.h>
 #include <IOKit/IOTypes.h>