3 files changed, 0 insertions, 6 deletions

diff --git a/include/linux/sched/signal.h b/include/linux/sched/signal.h
index 2cf446704cd4..c06d63b3a583 100644
--- a/include/linux/sched/signal.h
+++ b/include/linux/sched/signal.h
@@ -293,7 +293,6 @@ extern int kill_pid_info_as_cred(int, struct siginfo *, struct pid *,
                                 const struct cred *, u32);
 extern int kill_pgrp(struct pid *pid, int sig, int priv);
 extern int kill_pid(struct pid *pid, int sig, int priv);
-extern int kill_proc_info(int, struct siginfo *, pid_t);
 extern __must_check bool do_notify_parent(struct task_struct *, int);
 extern void __wake_up_parent(struct task_struct *p, struct task_struct *parent);
 extern void force_sig(int, struct task_struct *);
diff --git a/include/linux/signal.h b/include/linux/signal.h
index 94ad6eea9550..1f5a16620693 100644
--- a/include/linux/signal.h
+++ b/include/linux/signal.h
@@ -390,10 +390,6 @@ int unhandled_signal(struct task_struct *tsk, int sig);
 #define sig_kernel_ignore(sig)          siginmask(sig, SIG_KERNEL_IGNORE_MASK)
 #define sig_kernel_stop(sig)            siginmask(sig, SIG_KERNEL_STOP_MASK)
 
-#define sig_user_defined(t, signr) \
-        (((t)->sighand->action[(signr)-1].sa.sa_handler != SIG_DFL) &&  \
-         ((t)->sighand->action[(signr)-1].sa.sa_handler != SIG_IGN))
-
 #define sig_fatal(t, signr) \
         (!siginmask(signr, SIG_KERNEL_IGNORE_MASK|SIG_KERNEL_STOP_MASK) && \
          (t)->sighand->action[(signr)-1].sa.sa_handler == SIG_DFL)
diff --git a/include/linux/sysctl.h b/include/linux/sysctl.h
index b7e82049fec7..80d07816def0 100644
--- a/include/linux/sysctl.h
+++ b/include/linux/sysctl.h
@@ -180,7 +180,6 @@ extern void setup_sysctl_set(struct ctl_table_set *p,
         int (*is_seen)(struct ctl_table_set *));
 extern void retire_sysctl_set(struct ctl_table_set *set);
 
-void register_sysctl_root(struct ctl_table_root *root);
 struct ctl_table_header *__register_sysctl_table(
         struct ctl_table_set *set,
         const char *path, struct ctl_table *table);