These declarations are never implemented since beginning of git history.

Signed-off-by: Yue Haibing <redacted>
---
 include/net/sctp/sm.h      | 3 ---
 include/net/sctp/structs.h | 2 --
 2 files changed, 5 deletions(-)

diff --git a/include/net/sctp/sm.h b/include/net/sctp/sm.h
index f37c7a558d6d..64c42bd56bb2 100644
--- a/include/net/sctp/sm.h
+++ b/include/net/sctp/sm.h

@@ -156,7 +156,6 @@ sctp_state_fn_t sctp_sf_do_6_2_sack;
 sctp_state_fn_t sctp_sf_autoclose_timer_expire;

 /* Prototypes for utility support functions.  */
-__u8 sctp_get_chunk_type(struct sctp_chunk *chunk);
 const struct sctp_sm_table_entry *sctp_sm_lookup_event(
                                        struct net *net,
                                        enum sctp_event_type event_type,

@@ -166,8 +165,6 @@ int sctp_chunk_iif(const struct sctp_chunk *);
 struct sctp_association *sctp_make_temp_asoc(const struct sctp_endpoint *,
                                             struct sctp_chunk *,
                                             gfp_t gfp);
-__u32 sctp_generate_verification_tag(void);
-void sctp_populate_tie_tags(__u8 *cookie, __u32 curTag, __u32 hisTag);

 /* Prototypes for chunk-building functions.  */
 struct sctp_chunk *sctp_make_init(const struct sctp_association *asoc,

diff --git a/include/net/sctp/structs.h b/include/net/sctp/structs.h
index 5c72d1864dd6..5a24d6d8522a 100644
--- a/include/net/sctp/structs.h
+++ b/include/net/sctp/structs.h

@@ -1122,8 +1122,6 @@ void sctp_outq_free(struct sctp_outq*);
 void sctp_outq_tail(struct sctp_outq *, struct sctp_chunk *chunk, gfp_t);
 int sctp_outq_sack(struct sctp_outq *, struct sctp_chunk *);
 int sctp_outq_is_empty(const struct sctp_outq *);
-void sctp_outq_restart(struct sctp_outq *);
-
 void sctp_retransmit(struct sctp_outq *q, struct sctp_transport *transport,
                     enum sctp_retransmit_reason reason);
 void sctp_retransmit_mark(struct sctp_outq *, struct sctp_transport *, __u8);
--

2.34.1