diff --git a/libc/include/time.h b/libc/include/time.h
index c2c3ee8..3f2047c 100644
--- a/libc/include/time.h
+++ b/libc/include/time.h
@@ -32,11 +32,6 @@
 #include <sys/cdefs.h>
 #include <sys/time.h>
 
-/* For struct sigevent. */
-#define __ARCH_SI_UID_T __kernel_uid32_t
-#include <asm/siginfo.h>
-#undef __ARCH_SI_UID_T
-
 __BEGIN_DECLS
 
 #define CLOCKS_PER_SEC 1000000
@@ -45,6 +40,8 @@
 extern int daylight;
 extern long int timezone;
 
+struct sigevent;
+
 struct tm {
   int tm_sec;
   int tm_min;