diff --git a/libc/include/sys/linux-syscalls.h b/libc/include/sys/linux-syscalls.h
index 5f03863..9e2aa2f 100644
--- a/libc/include/sys/linux-syscalls.h
+++ b/libc/include/sys/linux-syscalls.h
@@ -104,6 +104,7 @@
 #define __NR_nanosleep                    (__NR_SYSCALL_BASE + 162)
 #define __NR_getitimer                    (__NR_SYSCALL_BASE + 105)
 #define __NR_setitimer                    (__NR_SYSCALL_BASE + 104)
+#define __NR_sigaction                    (__NR_SYSCALL_BASE + 67)
 #define __NR_sigprocmask                  (__NR_SYSCALL_BASE + 126)
 #define __NR_sigsuspend                   (__NR_SYSCALL_BASE + 72)
 #define __NR_rt_sigaction                 (__NR_SYSCALL_BASE + 174)
@@ -156,7 +157,6 @@
 #define __NR_timer_getoverrun             (__NR_SYSCALL_BASE + 260)
 #define __NR_timer_delete                 (__NR_SYSCALL_BASE + 261)
 #define __NR_utimes                       (__NR_SYSCALL_BASE + 269)
-#define __NR_sigaction                    (__NR_SYSCALL_BASE + 67)
 #define __NR_socket                       (__NR_SYSCALL_BASE + 281)
 #define __NR_socketpair                   (__NR_SYSCALL_BASE + 288)
 #define __NR_bind                         (__NR_SYSCALL_BASE + 282)
@@ -213,7 +213,6 @@
 #define __NR_timer_getoverrun             (__NR_SYSCALL_BASE + 262)
 #define __NR_timer_delete                 (__NR_SYSCALL_BASE + 263)
 #define __NR_utimes                       (__NR_SYSCALL_BASE + 271)
-#define __NR_sigaction                    (__NR_SYSCALL_BASE + 67)
 #define __NR_socketcall                   (__NR_SYSCALL_BASE + 102)
 #define __NR_ioprio_set                   (__NR_SYSCALL_BASE + 289)
 #define __NR_ioprio_get                   (__NR_SYSCALL_BASE + 290)
@@ -255,7 +254,6 @@
 #define __NR_timer_getoverrun             (__NR_SYSCALL_BASE + 262)
 #define __NR_timer_delete                 (__NR_SYSCALL_BASE + 263)
 #define __NR_utimes                       (__NR_SYSCALL_BASE + 271)
-#define __NR_sigaction                    (__NR_SYSCALL_BASE + 67)
 #define __NR_socketcall                   (__NR_SYSCALL_BASE + 102)
 #define __NR_socketcall                   (__NR_SYSCALL_BASE + 102)
 #define __NR_socketcall                   (__NR_SYSCALL_BASE + 102)
diff --git a/libc/include/sys/linux-unistd.h b/libc/include/sys/linux-unistd.h
index 3f151f9..6bd9ac7 100644
--- a/libc/include/sys/linux-unistd.h
+++ b/libc/include/sys/linux-unistd.h
@@ -142,7 +142,6 @@
 int              __rt_sigprocmask (int  how, const sigset_t *set, sigset_t *oset, size_t sigsetsize);
 int              __rt_sigtimedwait (const sigset_t *set, struct siginfo_t  *info, struct timespec_t  *timeout, size_t  sigset_size);
 int              sigpending (sigset_t *);
-int              __sigaction (int, const struct sigaction *, struct sigaction *);
 int              socket (int, int, int);
 int              socketpair (int, int, int, int*);
 int              bind (int, struct sockaddr *, int);