--- gcc-5.3.0.old/libsanitizer/sanitizer_common/sanitizer_platform_limits_posix.cc
+++ gcc-5.3.0/libsanitizer/sanitizer_common/sanitizer_platform_limits_posix.cc
@@ -143,7 +143,6 @@
 #include <sys/statvfs.h>
 #include <sys/timex.h>
 #include <sys/user.h>
-#include <sys/ustat.h>
 #include <linux/cyclades.h>
 #include <linux/if_eql.h>
 #include <linux/if_plip.h>
@@ -236,7 +235,6 @@
 #endif  // SANITIZER_LINUX || SANITIZER_FREEBSD
 
 #if SANITIZER_LINUX && !SANITIZER_ANDROID
-  unsigned struct_ustat_sz = sizeof(struct ustat);
   unsigned struct_rlimit64_sz = sizeof(struct rlimit64);
   unsigned struct_statvfs64_sz = sizeof(struct statvfs64);
 #endif  // SANITIZER_LINUX && !SANITIZER_ANDROID