From: Lennart Poettering <lennart@poettering.net>
Date: Fri, 30 Nov 2018 16:38:56 +0000 (+0100)
Subject: tree-wide: remove various unused functions
X-Git-Tag: v240~159
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5dd9527883e0aa8705cf81448bc4bdb0456382fb;p=thirdparty%2Fsystemd.git

tree-wide: remove various unused functions

All found with "cppcheck --enable=unusedFunction".
---

diff --git a/src/boot/efi/shim.c b/src/boot/efi/shim.c
index 73ff861cb6f..f6ffed143cd 100644
--- a/src/boot/efi/shim.c
+++ b/src/boot/efi/shim.c
@@ -205,35 +205,3 @@ EFI_STATUS security_policy_install(void) {
 
         return EFI_SUCCESS;
 }
-
-EFI_STATUS security_policy_uninstall(void) {
-        EFI_STATUS status;
-
-        if (esfas) {
-                EFI_SECURITY_PROTOCOL *security_protocol;
-
-                status = uefi_call_wrapper(BS->LocateProtocol, 3, (EFI_GUID*) &security_protocol_guid, NULL, (VOID**) &security_protocol);
-
-                if (status != EFI_SUCCESS)
-                        return status;
-
-                security_protocol->FileAuthenticationState = esfas;
-                esfas = NULL;
-        } else
-                /* nothing installed */
-                return EFI_NOT_STARTED;
-
-        if (es2fa) {
-                EFI_SECURITY2_PROTOCOL *security2_protocol;
-
-                status = uefi_call_wrapper(BS->LocateProtocol, 3, (EFI_GUID*) &security2_protocol_guid, NULL, (VOID**) &security2_protocol);
-
-                if (status != EFI_SUCCESS)
-                        return status;
-
-                security2_protocol->FileAuthentication = es2fa;
-                es2fa = NULL;
-        }
-
-        return EFI_SUCCESS;
-}
diff --git a/src/boot/efi/shim.h b/src/boot/efi/shim.h
index 6b3b78c1750..209c9d4cf05 100644
--- a/src/boot/efi/shim.h
+++ b/src/boot/efi/shim.h
@@ -14,5 +14,3 @@ BOOLEAN shim_loaded(void);
 BOOLEAN secure_boot_enabled(void);
 
 EFI_STATUS security_policy_install(void);
-
-EFI_STATUS security_policy_uninstall(void);
diff --git a/src/core/unit-printf.c b/src/core/unit-printf.c
index 547d9d88520..f57c099c395 100644
--- a/src/core/unit-printf.c
+++ b/src/core/unit-printf.c
@@ -286,35 +286,3 @@ int unit_full_printf(Unit *u, const char *format, char **ret) {
 
         return specifier_printf(format, table, u, ret);
 }
-
-int unit_full_printf_strv(Unit *u, char **l, char ***ret) {
-        size_t n;
-        char **r, **i, **j;
-        int q;
-
-        /* Applies unit_full_printf to every entry in l */
-
-        assert(u);
-
-        n = strv_length(l);
-        r = new(char*, n+1);
-        if (!r)
-                return -ENOMEM;
-
-        for (i = l, j = r; *i; i++, j++) {
-                q = unit_full_printf(u, *i, j);
-                if (q < 0)
-                        goto fail;
-        }
-
-        *j = NULL;
-        *ret = r;
-        return 0;
-
-fail:
-        for (j--; j >= r; j--)
-                free(*j);
-
-        free(r);
-        return q;
-}
diff --git a/src/core/unit-printf.h b/src/core/unit-printf.h
index 5bd1d77bb20..f3dae159d53 100644
--- a/src/core/unit-printf.h
+++ b/src/core/unit-printf.h
@@ -5,4 +5,3 @@
 
 int unit_name_printf(Unit *u, const char* text, char **ret);
 int unit_full_printf(Unit *u, const char *text, char **ret);
-int unit_full_printf_strv(Unit *u, char **l, char ***ret);
diff --git a/src/libsystemd/sd-bus/bus-internal.c b/src/libsystemd/sd-bus/bus-internal.c
index 1310cf91e5d..40acae21338 100644
--- a/src/libsystemd/sd-bus/bus-internal.c
+++ b/src/libsystemd/sd-bus/bus-internal.c
@@ -151,26 +151,6 @@ bool service_name_is_valid(const char *p) {
         return true;
 }
 
-char* service_name_startswith(const char *a, const char *b) {
-        const char *p;
-
-        if (!service_name_is_valid(a) ||
-            !service_name_is_valid(b))
-                return NULL;
-
-        p = startswith(a, b);
-        if (!p)
-                return NULL;
-
-        if (*p == 0)
-                return (char*) p;
-
-        if (*p == '.')
-                return (char*) p + 1;
-
-        return NULL;
-}
-
 bool member_name_is_valid(const char *p) {
         const char *q;
 
diff --git a/src/libsystemd/sd-bus/bus-internal.h b/src/libsystemd/sd-bus/bus-internal.h
index 4bc945d9eea..b352f0bfe5e 100644
--- a/src/libsystemd/sd-bus/bus-internal.h
+++ b/src/libsystemd/sd-bus/bus-internal.h
@@ -305,8 +305,6 @@ struct sd_bus {
         sd_bus **default_bus_ptr;
         pid_t tid;
 
-        char *cgroup_root;
-
         char *description;
         char *patch_sender;
 
@@ -346,7 +344,6 @@ struct sd_bus {
 
 bool interface_name_is_valid(const char *p) _pure_;
 bool service_name_is_valid(const char *p) _pure_;
-char* service_name_startswith(const char *a, const char *b);
 bool member_name_is_valid(const char *p) _pure_;
 bool object_path_is_valid(const char *p) _pure_;
 char *object_path_startswith(const char *a, const char *b) _pure_;
@@ -397,8 +394,6 @@ int bus_set_address_user(sd_bus *bus);
 int bus_set_address_system_remote(sd_bus *b, const char *host);
 int bus_set_address_system_machine(sd_bus *b, const char *machine);
 
-int bus_get_root_path(sd_bus *bus);
-
 int bus_maybe_reply_error(sd_bus_message *m, int r, sd_bus_error *error);
 
 #define bus_assert_return(expr, r, error)                               \
diff --git a/src/libsystemd/sd-bus/bus-match.c b/src/libsystemd/sd-bus/bus-match.c
index 37b851b94ce..6812c28904a 100644
--- a/src/libsystemd/sd-bus/bus-match.c
+++ b/src/libsystemd/sd-bus/bus-match.c
@@ -542,43 +542,6 @@ fail:
         return r;
 }
 
-static int bus_match_find_compare_value(
-                struct bus_match_node *where,
-                enum bus_match_node_type t,
-                uint8_t value_u8,
-                const char *value_str,
-                struct bus_match_node **ret) {
-
-        struct bus_match_node *c, *n;
-
-        assert(where);
-        assert(IN_SET(where->type, BUS_MATCH_ROOT, BUS_MATCH_VALUE));
-        assert(BUS_MATCH_IS_COMPARE(t));
-        assert(ret);
-
-        for (c = where->child; c && c->type != t; c = c->next)
-                ;
-
-        if (!c)
-                return 0;
-
-        if (t == BUS_MATCH_MESSAGE_TYPE)
-                n = hashmap_get(c->compare.children, UINT_TO_PTR(value_u8));
-        else if (BUS_MATCH_CAN_HASH(t))
-                n = hashmap_get(c->compare.children, value_str);
-        else {
-                for (n = c->child; n && !value_node_same(n, t, value_u8, value_str); n = n->next)
-                        ;
-        }
-
-        if (n) {
-                *ret = n;
-                return 1;
-        }
-
-        return 0;
-}
-
 static int bus_match_add_leaf(
                 struct bus_match_node *where,
                 struct match_callback *callback) {
@@ -607,34 +570,6 @@ static int bus_match_add_leaf(
         return 1;
 }
 
-static int bus_match_find_leaf(
-                struct bus_match_node *where,
-                sd_bus_message_handler_t callback,
-                void *userdata,
-                struct bus_match_node **ret) {
-
-        struct bus_match_node *c;
-
-        assert(where);
-        assert(IN_SET(where->type, BUS_MATCH_ROOT, BUS_MATCH_VALUE));
-        assert(ret);
-
-        for (c = where->child; c; c = c->next) {
-                sd_bus_slot *s;
-
-                s = container_of(c->leaf.callback, sd_bus_slot, match_callback);
-
-                if (c->type == BUS_MATCH_LEAF &&
-                    c->leaf.callback->callback == callback &&
-                    s->userdata == userdata) {
-                        *ret = c;
-                        return 1;
-                }
-        }
-
-        return 0;
-}
-
 enum bus_match_node_type bus_match_node_type_from_string(const char *k, size_t n) {
         assert(k);
 
@@ -1014,43 +949,6 @@ int bus_match_remove(
         return 1;
 }
 
-int bus_match_find(
-                struct bus_match_node *root,
-                struct bus_match_component *components,
-                unsigned n_components,
-                sd_bus_message_handler_t callback,
-                void *userdata,
-                struct match_callback **ret) {
-
-        struct bus_match_node *n, **gc;
-        unsigned i;
-        int r;
-
-        assert(root);
-        assert(ret);
-
-        gc = newa(struct bus_match_node*, n_components);
-
-        n = root;
-        for (i = 0; i < n_components; i++) {
-                r = bus_match_find_compare_value(
-                                n, components[i].type,
-                                components[i].value_u8, components[i].value_str,
-                                &n);
-                if (r <= 0)
-                        return r;
-
-                gc[i] = n;
-        }
-
-        r = bus_match_find_leaf(n, callback, userdata, &n);
-        if (r <= 0)
-                return r;
-
-        *ret = n->leaf.callback;
-        return 1;
-}
-
 void bus_match_free(struct bus_match_node *node) {
         struct bus_match_node *c;
 
diff --git a/src/libsystemd/sd-bus/bus-match.h b/src/libsystemd/sd-bus/bus-match.h
index b9c0fcec906..a6f67ce0897 100644
--- a/src/libsystemd/sd-bus/bus-match.h
+++ b/src/libsystemd/sd-bus/bus-match.h
@@ -66,8 +66,6 @@ int bus_match_run(sd_bus *bus, struct bus_match_node *root, sd_bus_message *m);
 int bus_match_add(struct bus_match_node *root, struct bus_match_component *components, unsigned n_components, struct match_callback *callback);
 int bus_match_remove(struct bus_match_node *root, struct match_callback *callback);
 
-int bus_match_find(struct bus_match_node *root, struct bus_match_component *components, unsigned n_components, sd_bus_message_handler_t callback, void *userdata, struct match_callback **ret);
-
 void bus_match_free(struct bus_match_node *node);
 
 void bus_match_dump(struct bus_match_node *node, unsigned level);
diff --git a/src/libsystemd/sd-bus/bus-message.c b/src/libsystemd/sd-bus/bus-message.c
index f25db359981..bb7e09c945a 100644
--- a/src/libsystemd/sd-bus/bus-message.c
+++ b/src/libsystemd/sd-bus/bus-message.c
@@ -5829,16 +5829,6 @@ int bus_message_remarshal(sd_bus *bus, sd_bus_message **m) {
         return 0;
 }
 
-int bus_message_append_sender(sd_bus_message *m, const char *sender) {
-        assert(m);
-        assert(sender);
-
-        assert_return(!m->sealed, -EPERM);
-        assert_return(!m->sender, -EPERM);
-
-        return message_append_field_string(m, BUS_MESSAGE_HEADER_SENDER, SD_BUS_TYPE_STRING, sender, &m->sender);
-}
-
 _public_ int sd_bus_message_get_priority(sd_bus_message *m, int64_t *priority) {
         assert_return(m, -EINVAL);
         assert_return(priority, -EINVAL);
diff --git a/src/libsystemd/sd-bus/bus-message.h b/src/libsystemd/sd-bus/bus-message.h
index ef6ddc1cc0a..0115437d26b 100644
--- a/src/libsystemd/sd-bus/bus-message.h
+++ b/src/libsystemd/sd-bus/bus-message.h
@@ -209,7 +209,5 @@ int bus_message_new_synthetic_error(sd_bus *bus, uint64_t serial, const sd_bus_e
 
 int bus_message_remarshal(sd_bus *bus, sd_bus_message **m);
 
-int bus_message_append_sender(sd_bus_message *m, const char *sender);
-
 void bus_message_set_sender_driver(sd_bus *bus, sd_bus_message *m);
 void bus_message_set_sender_local(sd_bus *bus, sd_bus_message *m);
diff --git a/src/libsystemd/sd-bus/bus-type.c b/src/libsystemd/sd-bus/bus-type.c
index 63eed99d282..18564a53834 100644
--- a/src/libsystemd/sd-bus/bus-type.c
+++ b/src/libsystemd/sd-bus/bus-type.c
@@ -30,32 +30,6 @@ bool bus_type_is_valid(char c) {
         return !!memchr(valid, c, sizeof(valid));
 }
 
-bool bus_type_is_valid_in_signature(char c) {
-        static const char valid[] = {
-                SD_BUS_TYPE_BYTE,
-                SD_BUS_TYPE_BOOLEAN,
-                SD_BUS_TYPE_INT16,
-                SD_BUS_TYPE_UINT16,
-                SD_BUS_TYPE_INT32,
-                SD_BUS_TYPE_UINT32,
-                SD_BUS_TYPE_INT64,
-                SD_BUS_TYPE_UINT64,
-                SD_BUS_TYPE_DOUBLE,
-                SD_BUS_TYPE_STRING,
-                SD_BUS_TYPE_OBJECT_PATH,
-                SD_BUS_TYPE_SIGNATURE,
-                SD_BUS_TYPE_ARRAY,
-                SD_BUS_TYPE_VARIANT,
-                SD_BUS_TYPE_STRUCT_BEGIN,
-                SD_BUS_TYPE_STRUCT_END,
-                SD_BUS_TYPE_DICT_ENTRY_BEGIN,
-                SD_BUS_TYPE_DICT_ENTRY_END,
-                SD_BUS_TYPE_UNIX_FD
-        };
-
-        return !!memchr(valid, c, sizeof(valid));
-}
-
 bool bus_type_is_basic(char c) {
         static const char valid[] = {
                 SD_BUS_TYPE_BYTE,
diff --git a/src/libsystemd/sd-bus/bus-type.h b/src/libsystemd/sd-bus/bus-type.h
index b518461b16f..0ecd8513fd2 100644
--- a/src/libsystemd/sd-bus/bus-type.h
+++ b/src/libsystemd/sd-bus/bus-type.h
@@ -6,7 +6,6 @@
 #include "macro.h"
 
 bool bus_type_is_valid(char c) _const_;
-bool bus_type_is_valid_in_signature(char c) _const_;
 bool bus_type_is_basic(char c) _const_;
 /* "trivial" is systemd's term for what the D-Bus Specification calls
  * a "fixed type": that is, a basic type of fixed length */
diff --git a/src/libsystemd/sd-bus/sd-bus.c b/src/libsystemd/sd-bus/sd-bus.c
index f086d13898f..3b00bc81572 100644
--- a/src/libsystemd/sd-bus/sd-bus.c
+++ b/src/libsystemd/sd-bus/sd-bus.c
@@ -194,7 +194,6 @@ static sd_bus* bus_free(sd_bus *b) {
         free(b->auth_buffer);
         free(b->address);
         free(b->machine);
-        free(b->cgroup_root);
         free(b->description);
         free(b->patch_sender);
 
@@ -3929,24 +3928,6 @@ _public_ int sd_bus_get_description(sd_bus *bus, const char **description) {
         return 0;
 }
 
-int bus_get_root_path(sd_bus *bus) {
-        int r;
-
-        if (bus->cgroup_root)
-                return 0;
-
-        r = cg_get_root_path(&bus->cgroup_root);
-        if (r == -ENOENT) {
-                bus->cgroup_root = strdup("/");
-                if (!bus->cgroup_root)
-                        return -ENOMEM;
-
-                r = 0;
-        }
-
-        return r;
-}
-
 _public_ int sd_bus_get_scope(sd_bus *bus, const char **scope) {
         assert_return(bus, -EINVAL);
         assert_return(bus = bus_resolve(bus), -ENOPKG);
diff --git a/src/nspawn/nspawn-patch-uid.c b/src/nspawn/nspawn-patch-uid.c
index 4a46a25eac7..db2f5467b50 100644
--- a/src/nspawn/nspawn-patch-uid.c
+++ b/src/nspawn/nspawn-patch-uid.c
@@ -479,10 +479,6 @@ finish:
         return r;
 }
 
-int fd_patch_uid(int fd, uid_t shift, uid_t range) {
-        return fd_patch_uid_internal(fd, false, shift, range);
-}
-
 int path_patch_uid(const char *path, uid_t shift, uid_t range) {
         int fd;
 
diff --git a/src/nspawn/nspawn-patch-uid.h b/src/nspawn/nspawn-patch-uid.h
index 31d2491234b..b7c6ce2b730 100644
--- a/src/nspawn/nspawn-patch-uid.h
+++ b/src/nspawn/nspawn-patch-uid.h
@@ -4,5 +4,4 @@
 
 #include <sys/types.h>
 
-int fd_patch_uid(int fd, uid_t shift, uid_t range);
 int path_patch_uid(const char *path, uid_t shift, uid_t range);
diff --git a/src/resolve/resolved-dns-answer.c b/src/resolve/resolved-dns-answer.c
index 6767dca3020..d7252d3dac1 100644
--- a/src/resolve/resolved-dns-answer.c
+++ b/src/resolve/resolved-dns-answer.c
@@ -211,70 +211,6 @@ int dns_answer_match_key(DnsAnswer *a, const DnsResourceKey *key, DnsAnswerFlags
         return found;
 }
 
-int dns_answer_contains_rr(DnsAnswer *a, DnsResourceRecord *rr, DnsAnswerFlags *ret_flags) {
-        DnsAnswerFlags flags = 0, i_flags;
-        DnsResourceRecord *i;
-        bool found = false;
-        int r;
-
-        assert(rr);
-
-        DNS_ANSWER_FOREACH_FLAGS(i, i_flags, a) {
-                r = dns_resource_record_equal(i, rr);
-                if (r < 0)
-                        return r;
-                if (r == 0)
-                        continue;
-
-                if (!ret_flags)
-                        return 1;
-
-                if (found)
-                        flags &= i_flags;
-                else {
-                        flags = i_flags;
-                        found = true;
-                }
-        }
-
-        if (ret_flags)
-                *ret_flags = flags;
-
-        return found;
-}
-
-int dns_answer_contains_key(DnsAnswer *a, const DnsResourceKey *key, DnsAnswerFlags *ret_flags) {
-        DnsAnswerFlags flags = 0, i_flags;
-        DnsResourceRecord *i;
-        bool found = false;
-        int r;
-
-        assert(key);
-
-        DNS_ANSWER_FOREACH_FLAGS(i, i_flags, a) {
-                r = dns_resource_key_equal(i->key, key);
-                if (r < 0)
-                        return r;
-                if (r == 0)
-                        continue;
-
-                if (!ret_flags)
-                        return true;
-
-                if (found)
-                        flags &= i_flags;
-                else {
-                        flags = i_flags;
-                        found = true;
-                }
-        }
-
-        if (ret_flags)
-                *ret_flags = flags;
-
-        return found;
-}
-
 int dns_answer_contains_nsec_or_nsec3(DnsAnswer *a) {
         DnsResourceRecord *i;
 
diff --git a/src/resolve/resolved-dns-answer.h b/src/resolve/resolved-dns-answer.h
index 9ce7d62773c..97514c34089 100644
--- a/src/resolve/resolved-dns-answer.h
+++ b/src/resolve/resolved-dns-answer.h
@@ -43,8 +43,6 @@ int dns_answer_add_extend(DnsAnswer **a, DnsResourceRecord *rr, int ifindex, Dns
 int dns_answer_add_soa(DnsAnswer *a, const char *name, uint32_t ttl, int ifindex);
 
 int dns_answer_match_key(DnsAnswer *a, const DnsResourceKey *key, DnsAnswerFlags *combined_flags);
-int dns_answer_contains_rr(DnsAnswer *a, DnsResourceRecord *rr, DnsAnswerFlags *combined_flags);
-int dns_answer_contains_key(DnsAnswer *a, const DnsResourceKey *key, DnsAnswerFlags *combined_flags);
 int dns_answer_contains_nsec_or_nsec3(DnsAnswer *a);
 int dns_answer_contains_zone_nsec3(DnsAnswer *answer, const char *zone);
 
diff --git a/src/shared/bus-util.c b/src/shared/bus-util.c
index b9ef0243a3a..976643e4ce0 100644
--- a/src/shared/bus-util.c
+++ b/src/shared/bus-util.c
@@ -1237,44 +1237,6 @@ int bus_message_map_all_properties(
         return sd_bus_message_exit_container(m);
 }
 
-int bus_message_map_properties_changed(
-                sd_bus_message *m,
-                const struct bus_properties_map *map,
-                unsigned flags,
-                sd_bus_error *error,
-                void *userdata) {
-
-        const char *member;
-        int r, invalidated, i;
-
-        assert(m);
-        assert(map);
-
-        r = bus_message_map_all_properties(m, map, flags, error, userdata);
-        if (r < 0)
-                return r;
-
-        r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "s");
-        if (r < 0)
-                return r;
-
-        invalidated = 0;
-        while ((r = sd_bus_message_read_basic(m, SD_BUS_TYPE_STRING, &member)) > 0)
-                for (i = 0; map[i].member; i++)
-                        if (streq(map[i].member, member)) {
-                                ++invalidated;
-                                break;
-                        }
-        if (r < 0)
-                return r;
-
-        r = sd_bus_message_exit_container(m);
-        if (r < 0)
-                return r;
-
-        return invalidated;
-}
-
 int bus_map_all_properties(
                 sd_bus *bus,
                 const char *destination,
diff --git a/src/shared/bus-util.h b/src/shared/bus-util.h
index 3d3cdecb43e..71c248fe3c7 100644
--- a/src/shared/bus-util.h
+++ b/src/shared/bus-util.h
@@ -38,7 +38,6 @@ enum {
 int bus_map_id128(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata);
 
 int bus_message_map_all_properties(sd_bus_message *m, const struct bus_properties_map *map, unsigned flags, sd_bus_error *error, void *userdata);
-int bus_message_map_properties_changed(sd_bus_message *m, const struct bus_properties_map *map, unsigned flags, sd_bus_error *error, void *userdata);
 int bus_map_all_properties(sd_bus *bus, const char *destination, const char *path, const struct bus_properties_map *map,
                            unsigned flags, sd_bus_error *error, sd_bus_message **reply, void *userdata);
 
diff --git a/src/shared/cgroup-show.c b/src/shared/cgroup-show.c
index 36a611c3c10..26dcb0f151c 100644
--- a/src/shared/cgroup-show.c
+++ b/src/shared/cgroup-show.c
@@ -277,26 +277,6 @@ int show_cgroup_and_extra(
         return show_extra_pids(controller, path, prefix, n_columns, extra_pids, n_extra_pids, flags);
 }
 
-int show_cgroup_and_extra_by_spec(
-                const char *spec,
-                const char *prefix,
-                unsigned n_columns,
-                const pid_t extra_pids[],
-                unsigned n_extra_pids,
-                OutputFlags flags) {
-
-        _cleanup_free_ char *controller = NULL, *path = NULL;
-        int r;
-
-        assert(spec);
-
-        r = cg_split_spec(spec, &controller, &path);
-        if (r < 0)
-                return r;
-
-        return show_cgroup_and_extra(controller, path, prefix, n_columns, extra_pids, n_extra_pids, flags);
-}
-
 int show_cgroup_get_unit_path_and_warn(
                 sd_bus *bus,
                 const char *unit,
diff --git a/src/shared/cgroup-show.h b/src/shared/cgroup-show.h
index 4e510fb73c8..3593e9dcf43 100644
--- a/src/shared/cgroup-show.h
+++ b/src/shared/cgroup-show.h
@@ -12,7 +12,6 @@
 int show_cgroup_by_path(const char *path, const char *prefix, unsigned columns, OutputFlags flags);
 int show_cgroup(const char *controller, const char *path, const char *prefix, unsigned columns, OutputFlags flags);
 
-int show_cgroup_and_extra_by_spec(const char *spec, const char *prefix, unsigned n_columns, const pid_t extra_pids[], unsigned n_extra_pids, OutputFlags flags);
 int show_cgroup_and_extra(const char *controller, const char *path, const char *prefix, unsigned n_columns, const pid_t extra_pids[], unsigned n_extra_pids, OutputFlags flags);
 
 int show_cgroup_get_unit_path_and_warn(
diff --git a/src/shared/socket-protocol-list.c b/src/shared/socket-protocol-list.c
index 797f1e9507b..0a8570b7bea 100644
--- a/src/shared/socket-protocol-list.c
+++ b/src/shared/socket-protocol-list.c
@@ -34,7 +34,3 @@ int socket_protocol_from_name(const char *name) {
 
         return sc->id;
 }
-
-int socket_protocol_max(void) {
-        return ELEMENTSOF(socket_protocol_names);
-}
diff --git a/src/shared/socket-protocol-list.h b/src/shared/socket-protocol-list.h
index 458904dbb3e..08b36e1767e 100644
--- a/src/shared/socket-protocol-list.h
+++ b/src/shared/socket-protocol-list.h
@@ -3,5 +3,3 @@
 
 const char *socket_protocol_to_name(int id);
 int socket_protocol_from_name(const char *name);
-
-int socket_protocol_max(void);