diff --git a/configs/open5gs/amf.yaml.in b/configs/open5gs/amf.yaml.in
index eebd45a93..df4b08d73 100644
--- a/configs/open5gs/amf.yaml.in
+++ b/configs/open5gs/amf.yaml.in
@@ -324,30 +324,6 @@ parameter:
 #
 max:
 
-#
-# pool:
-#
-# o The default memory pool size was set assuming 1024 UEs.
-#   To connect more UEs, you need to increase the size further.
-#
-#   - Pool-size 128         => 65536 Number
-#   - Pool-size 256         => 16384 Number
-#   - Pool-size 512         => 4096 Number
-#   - Pool-size 1024        => 1024 Number
-#   - Pool-size 2048        => 512 Number
-#   - Pool-size 8192        => 128 Number
-#   - Pool-size 1024*1024   => 8 Number
-#
-#    128:  65536
-#    256:  16384
-#    512:  4096
-#    1024: 1024
-#    2048: 512
-#    8192: 128
-#    big:  8
-#
-pool:
-
 #
 # usrsctp:
 #    udp_port : 9899
diff --git a/configs/open5gs/ausf.yaml.in b/configs/open5gs/ausf.yaml.in
index 053824bb8..240fb7550 100644
--- a/configs/open5gs/ausf.yaml.in
+++ b/configs/open5gs/ausf.yaml.in
@@ -162,30 +162,6 @@ parameter:
 #
 max:
 
-#
-# pool:
-#
-# o The default memory pool size was set assuming 1024 UEs.
-#   To connect more UEs, you need to increase the size further.
-#
-#   - Pool-size 128         => 65536 Number
-#   - Pool-size 256         => 16384 Number
-#   - Pool-size 512         => 4096 Number
-#   - Pool-size 1024        => 1024 Number
-#   - Pool-size 2048        => 512 Number
-#   - Pool-size 8192        => 128 Number
-#   - Pool-size 1024*1024   => 8 Number
-#
-#    128:  65536
-#    256:  16384
-#    512:  4096
-#    1024: 1024
-#    2048: 512
-#    8192: 128
-#    big:  8
-#
-pool:
-
 #
 # time:
 #
diff --git a/configs/open5gs/bsf.yaml.in b/configs/open5gs/bsf.yaml.in
index 63584e416..33c4392b8 100644
--- a/configs/open5gs/bsf.yaml.in
+++ b/configs/open5gs/bsf.yaml.in
@@ -164,30 +164,6 @@ parameter:
 #
 max:
 
-#
-# pool:
-#
-# o The default memory pool size was set assuming 1024 UEs.
-#   To connect more UEs, you need to increase the size further.
-#
-#   - Pool-size 128         => 65536 Number
-#   - Pool-size 256         => 16384 Number
-#   - Pool-size 512         => 4096 Number
-#   - Pool-size 1024        => 1024 Number
-#   - Pool-size 2048        => 512 Number
-#   - Pool-size 8192        => 128 Number
-#   - Pool-size 1024*1024   => 8 Number
-#
-#    128:  65536
-#    256:  16384
-#    512:  4096
-#    1024: 1024
-#    2048: 512
-#    8192: 128
-#    big:  8
-#
-pool:
-
 #
 # time:
 #
diff --git a/configs/open5gs/hss.yaml.in b/configs/open5gs/hss.yaml.in
index 26627dcc5..6030b0caa 100644
--- a/configs/open5gs/hss.yaml.in
+++ b/configs/open5gs/hss.yaml.in
@@ -52,27 +52,3 @@ parameter:
 #    gnb: 64
 #
 max:
-
-#
-# pool:
-#
-# o The default memory pool size was set assuming 1024 UEs.
-#   To connect more UEs, you need to increase the size further.
-#
-#   - Pool-size 128         => 65536 Number
-#   - Pool-size 256         => 16384 Number
-#   - Pool-size 512         => 4096 Number
-#   - Pool-size 1024        => 1024 Number
-#   - Pool-size 2048        => 512 Number
-#   - Pool-size 8192        => 128 Number
-#   - Pool-size 1024*1024   => 8 Number
-#
-#    128:  65536
-#    256:  16384
-#    512:  4096
-#    1024: 1024
-#    2048: 512
-#    8192: 128
-#    big:  8
-#
-pool:
diff --git a/configs/open5gs/mme.yaml.in b/configs/open5gs/mme.yaml.in
index 0345bbbaf..1675c52b4 100644
--- a/configs/open5gs/mme.yaml.in
+++ b/configs/open5gs/mme.yaml.in
@@ -398,30 +398,6 @@ parameter:
 #
 max:
 
-#
-# pool:
-#
-# o The default memory pool size was set assuming 1024 UEs.
-#   To connect more UEs, you need to increase the size further.
-#
-#   - Pool-size 128         => 65536 Number
-#   - Pool-size 256         => 16384 Number
-#   - Pool-size 512         => 4096 Number
-#   - Pool-size 1024        => 1024 Number
-#   - Pool-size 2048        => 512 Number
-#   - Pool-size 8192        => 128 Number
-#   - Pool-size 1024*1024   => 8 Number
-#
-#    128:  65536
-#    256:  16384
-#    512:  4096
-#    1024: 1024
-#    2048: 512
-#    8192: 128
-#    big:  8
-#
-pool:
-
 #
 # usrsctp:
 #    udp_port : 9899
diff --git a/configs/open5gs/nrf.yaml.in b/configs/open5gs/nrf.yaml.in
index 86ac5716e..cc7d62b53 100644
--- a/configs/open5gs/nrf.yaml.in
+++ b/configs/open5gs/nrf.yaml.in
@@ -111,30 +111,6 @@ parameter:
 #
 max:
 
-#
-# pool:
-#
-# o The default memory pool size was set assuming 1024 UEs.
-#   To connect more UEs, you need to increase the size further.
-#
-#   - Pool-size 128         => 65536 Number
-#   - Pool-size 256         => 16384 Number
-#   - Pool-size 512         => 4096 Number
-#   - Pool-size 1024        => 1024 Number
-#   - Pool-size 2048        => 512 Number
-#   - Pool-size 8192        => 128 Number
-#   - Pool-size 1024*1024   => 8 Number
-#
-#    128:  65536
-#    256:  16384
-#    512:  4096
-#    1024: 1024
-#    2048: 512
-#    8192: 128
-#    big:  8
-#
-pool:
-
 #
 # time:
 #
diff --git a/configs/open5gs/nssf.yaml.in b/configs/open5gs/nssf.yaml.in
index c581304b4..0ae44bb16 100644
--- a/configs/open5gs/nssf.yaml.in
+++ b/configs/open5gs/nssf.yaml.in
@@ -204,30 +204,6 @@ parameter:
 #
 max:
 
-#
-# pool:
-#
-# o The default memory pool size was set assuming 1024 UEs.
-#   To connect more UEs, you need to increase the size further.
-#
-#   - Pool-size 128         => 65536 Number
-#   - Pool-size 256         => 16384 Number
-#   - Pool-size 512         => 4096 Number
-#   - Pool-size 1024        => 1024 Number
-#   - Pool-size 2048        => 512 Number
-#   - Pool-size 8192        => 128 Number
-#   - Pool-size 1024*1024   => 8 Number
-#
-#    128:  65536
-#    256:  16384
-#    512:  4096
-#    1024: 1024
-#    2048: 512
-#    8192: 128
-#    big:  8
-#
-pool:
-
 #
 # time:
 #
diff --git a/configs/open5gs/pcf.yaml.in b/configs/open5gs/pcf.yaml.in
index aa0efb389..955578e91 100644
--- a/configs/open5gs/pcf.yaml.in
+++ b/configs/open5gs/pcf.yaml.in
@@ -164,30 +164,6 @@ parameter:
 #
 max:
 
-#
-# pool:
-#
-# o The default memory pool size was set assuming 1024 UEs.
-#   To connect more UEs, you need to increase the size further.
-#
-#   - Pool-size 128         => 65536 Number
-#   - Pool-size 256         => 16384 Number
-#   - Pool-size 512         => 4096 Number
-#   - Pool-size 1024        => 1024 Number
-#   - Pool-size 2048        => 512 Number
-#   - Pool-size 8192        => 128 Number
-#   - Pool-size 1024*1024   => 8 Number
-#
-#    128:  65536
-#    256:  16384
-#    512:  4096
-#    1024: 1024
-#    2048: 512
-#    8192: 128
-#    big:  8
-#
-pool:
-
 #
 # time:
 #
diff --git a/configs/open5gs/pcrf.yaml.in b/configs/open5gs/pcrf.yaml.in
index 118f15c76..9f3904d11 100644
--- a/configs/open5gs/pcrf.yaml.in
+++ b/configs/open5gs/pcrf.yaml.in
@@ -51,27 +51,3 @@ parameter:
 #    gnb: 64
 #
 max:
-
-#
-# pool:
-#
-# o The default memory pool size was set assuming 1024 UEs.
-#   To connect more UEs, you need to increase the size further.
-#
-#   - Pool-size 128         => 65536 Number
-#   - Pool-size 256         => 16384 Number
-#   - Pool-size 512         => 4096 Number
-#   - Pool-size 1024        => 1024 Number
-#   - Pool-size 2048        => 512 Number
-#   - Pool-size 8192        => 128 Number
-#   - Pool-size 1024*1024   => 8 Number
-#
-#    128:  65536
-#    256:  16384
-#    512:  4096
-#    1024: 1024
-#    2048: 512
-#    8192: 128
-#    big:  8
-#
-pool:
diff --git a/configs/open5gs/sgwc.yaml.in b/configs/open5gs/sgwc.yaml.in
index 750e66c7d..f38f7314c 100644
--- a/configs/open5gs/sgwc.yaml.in
+++ b/configs/open5gs/sgwc.yaml.in
@@ -152,30 +152,6 @@ parameter:
 #
 max:
 
-#
-# pool:
-#
-# o The default memory pool size was set assuming 1024 UEs.
-#   To connect more UEs, you need to increase the size further.
-#
-#   - Pool-size 128         => 65536 Number
-#   - Pool-size 256         => 16384 Number
-#   - Pool-size 512         => 4096 Number
-#   - Pool-size 1024        => 1024 Number
-#   - Pool-size 2048        => 512 Number
-#   - Pool-size 8192        => 128 Number
-#   - Pool-size 1024*1024   => 8 Number
-#
-#    128:  65536
-#    256:  16384
-#    512:  4096
-#    1024: 1024
-#    2048: 512
-#    8192: 128
-#    big:  8
-#
-pool:
-
 #
 # time:
 #
diff --git a/configs/open5gs/sgwu.yaml.in b/configs/open5gs/sgwu.yaml.in
index e87d27885..87194d737 100644
--- a/configs/open5gs/sgwu.yaml.in
+++ b/configs/open5gs/sgwu.yaml.in
@@ -141,30 +141,6 @@ parameter:
 #
 max:
 
-#
-# pool:
-#
-# o The default memory pool size was set assuming 1024 UEs.
-#   To connect more UEs, you need to increase the size further.
-#
-#   - Pool-size 128         => 65536 Number
-#   - Pool-size 256         => 16384 Number
-#   - Pool-size 512         => 4096 Number
-#   - Pool-size 1024        => 1024 Number
-#   - Pool-size 2048        => 512 Number
-#   - Pool-size 8192        => 128 Number
-#   - Pool-size 1024*1024   => 8 Number
-#
-#    128:  65536
-#    256:  16384
-#    512:  4096
-#    1024: 1024
-#    2048: 512
-#    8192: 128
-#    big:  8
-#
-pool:
-
 #
 # time:
 #
diff --git a/configs/open5gs/smf.yaml.in b/configs/open5gs/smf.yaml.in
index f9fce1dc3..311ef8397 100644
--- a/configs/open5gs/smf.yaml.in
+++ b/configs/open5gs/smf.yaml.in
@@ -522,30 +522,6 @@ parameter:
 #
 max:
 
-#
-# pool:
-#
-# o The default memory pool size was set assuming 1024 UEs.
-#   To connect more UEs, you need to increase the size further.
-#
-#   - Pool-size 128         => 65536 Number
-#   - Pool-size 256         => 16384 Number
-#   - Pool-size 512         => 4096 Number
-#   - Pool-size 1024        => 1024 Number
-#   - Pool-size 2048        => 512 Number
-#   - Pool-size 8192        => 128 Number
-#   - Pool-size 1024*1024   => 8 Number
-#
-#    128:  65536
-#    256:  16384
-#    512:  4096
-#    1024: 1024
-#    2048: 512
-#    8192: 128
-#    big:  8
-#
-pool:
-
 #
 # time:
 #
diff --git a/configs/open5gs/udm.yaml.in b/configs/open5gs/udm.yaml.in
index bb7a5b580..c4b8a6f6e 100644
--- a/configs/open5gs/udm.yaml.in
+++ b/configs/open5gs/udm.yaml.in
@@ -162,30 +162,6 @@ parameter:
 #
 max:
 
-#
-# pool:
-#
-# o The default memory pool size was set assuming 1024 UEs.
-#   To connect more UEs, you need to increase the size further.
-#
-#   - Pool-size 128         => 65536 Number
-#   - Pool-size 256         => 16384 Number
-#   - Pool-size 512         => 4096 Number
-#   - Pool-size 1024        => 1024 Number
-#   - Pool-size 2048        => 512 Number
-#   - Pool-size 8192        => 128 Number
-#   - Pool-size 1024*1024   => 8 Number
-#
-#    128:  65536
-#    256:  16384
-#    512:  4096
-#    1024: 1024
-#    2048: 512
-#    8192: 128
-#    big:  8
-#
-pool:
-
 #
 # time:
 #
diff --git a/configs/open5gs/udr.yaml.in b/configs/open5gs/udr.yaml.in
index bf3a250e3..d08c81a21 100644
--- a/configs/open5gs/udr.yaml.in
+++ b/configs/open5gs/udr.yaml.in
@@ -164,30 +164,6 @@ parameter:
 #
 max:
 
-#
-# pool:
-#
-# o The default memory pool size was set assuming 1024 UEs.
-#   To connect more UEs, you need to increase the size further.
-#
-#   - Pool-size 128         => 65536 Number
-#   - Pool-size 256         => 16384 Number
-#   - Pool-size 512         => 4096 Number
-#   - Pool-size 1024        => 1024 Number
-#   - Pool-size 2048        => 512 Number
-#   - Pool-size 8192        => 128 Number
-#   - Pool-size 1024*1024   => 8 Number
-#
-#    128:  65536
-#    256:  16384
-#    512:  4096
-#    1024: 1024
-#    2048: 512
-#    8192: 128
-#    big:  8
-#
-pool:
-
 #
 # time:
 #
diff --git a/configs/open5gs/upf.yaml.in b/configs/open5gs/upf.yaml.in
index db520cf0d..efa6dcebb 100644
--- a/configs/open5gs/upf.yaml.in
+++ b/configs/open5gs/upf.yaml.in
@@ -212,30 +212,6 @@ parameter:
 #
 max:
 
-#
-# pool:
-#
-# o The default memory pool size was set assuming 1024 UEs.
-#   To connect more UEs, you need to increase the size further.
-#
-#   - Pool-size 128         => 65536 Number
-#   - Pool-size 256         => 16384 Number
-#   - Pool-size 512         => 4096 Number
-#   - Pool-size 1024        => 1024 Number
-#   - Pool-size 2048        => 512 Number
-#   - Pool-size 8192        => 128 Number
-#   - Pool-size 1024*1024   => 8 Number
-#
-#    128:  65536
-#    256:  16384
-#    512:  4096
-#    1024: 1024
-#    2048: 512
-#    8192: 128
-#    big:  8
-#
-pool:
-
 #
 # time:
 #
diff --git a/lib/app/ogs-context.c b/lib/app/ogs-context.c
index a76d02f28..95a3c6d0c 100644
--- a/lib/app/ogs-context.c
+++ b/lib/app/ogs-context.c
@@ -439,43 +439,6 @@ int ogs_app_context_parse_config(void)
             }
 
             recalculate_pool_size();
-        } else if (!strcmp(root_key, "pool")) {
-            ogs_yaml_iter_t pool_iter;
-            ogs_yaml_iter_recurse(&root_iter, &pool_iter);
-            while (ogs_yaml_iter_next(&pool_iter)) {
-                const char *pool_key = ogs_yaml_iter_key(&pool_iter);
-                ogs_assert(pool_key);
-                if (!strcmp(pool_key, "128")) {
-                    const char *v = ogs_yaml_iter_value(&pool_iter);
-                    if (v)
-                        self.pool.defconfig.cluster_128_pool = atoi(v);
-                } else if (!strcmp(pool_key, "256")) {
-                    const char *v = ogs_yaml_iter_value(&pool_iter);
-                    if (v)
-                        self.pool.defconfig.cluster_256_pool = atoi(v);
-                } else if (!strcmp(pool_key, "512")) {
-                    const char *v = ogs_yaml_iter_value(&pool_iter);
-                    if (v)
-                        self.pool.defconfig.cluster_512_pool = atoi(v);
-                } else if (!strcmp(pool_key, "1024")) {
-                    const char *v = ogs_yaml_iter_value(&pool_iter);
-                    if (v)
-                        self.pool.defconfig.cluster_1024_pool = atoi(v);
-                } else if (!strcmp(pool_key, "2048")) {
-                    const char *v = ogs_yaml_iter_value(&pool_iter);
-                    if (v)
-                        self.pool.defconfig.cluster_2048_pool = atoi(v);
-                } else if (!strcmp(pool_key, "8192")) {
-                    const char *v = ogs_yaml_iter_value(&pool_iter);
-                    if (v)
-                        self.pool.defconfig.cluster_8192_pool = atoi(v);
-                } else if (!strcmp(pool_key, "big")) {
-                    const char *v = ogs_yaml_iter_value(&pool_iter);
-                    if (v)
-                        self.pool.defconfig.cluster_big_pool = atoi(v);
-                } else
-                    ogs_warn("unknown key `%s`", pool_key);
-            }
         } else if (!strcmp(root_key, "time")) {
             ogs_yaml_iter_t time_iter;
             ogs_yaml_iter_recurse(&root_iter, &time_iter);
diff --git a/lib/core/ogs-pkbuf.c b/lib/core/ogs-pkbuf.c
index 87f233793..a231ca8ef 100644
--- a/lib/core/ogs-pkbuf.c
+++ b/lib/core/ogs-pkbuf.c
@@ -22,6 +22,7 @@
 #undef OGS_LOG_DOMAIN
 #define OGS_LOG_DOMAIN __ogs_mem_domain
 
+#if OGS_USE_TALLOC == 0
 #define OGS_CLUSTER_128_SIZE    128
 #define OGS_CLUSTER_256_SIZE    256
 #define OGS_CLUSTER_512_SIZE    512
@@ -64,7 +65,6 @@ typedef struct ogs_pkbuf_pool_s {
 static OGS_POOL(pkbuf_pool, ogs_pkbuf_pool_t);
 static ogs_pkbuf_pool_t *default_pool = NULL;
 
-#if OGS_USE_TALLOC == 0
 static ogs_cluster_t *cluster_alloc(
         ogs_pkbuf_pool_t *pool, unsigned int size);
 static void cluster_free(ogs_pkbuf_pool_t *pool, ogs_cluster_t *cluster);
@@ -81,16 +81,21 @@ void *ogs_pkbuf_put_data(
 
 void ogs_pkbuf_init(void)
 {
+#if OGS_USE_TALLOC == 0
     ogs_pool_init(&pkbuf_pool, ogs_core()->pkbuf.pool);
+#endif
 }
 
 void ogs_pkbuf_final(void)
 {
+#if OGS_USE_TALLOC == 0
     ogs_pool_final(&pkbuf_pool);
+#endif
 }
 
 void ogs_pkbuf_default_init(ogs_pkbuf_config_t *config)
 {
+#if OGS_USE_TALLOC == 0
     ogs_assert(config);
     memset(config, 0, sizeof *config);
 
@@ -101,21 +106,27 @@ void ogs_pkbuf_default_init(ogs_pkbuf_config_t *config)
     config->cluster_2048_pool = 1024;
     config->cluster_8192_pool = 512;
     config->cluster_big_pool = 8;
+#endif
 }
 
 void ogs_pkbuf_default_create(ogs_pkbuf_config_t *config)
 {
+#if OGS_USE_TALLOC == 0
     default_pool = ogs_pkbuf_pool_create(config);
+#endif
 }
 
 void ogs_pkbuf_default_destroy(void)
 {
+#if OGS_USE_TALLOC == 0
     ogs_pkbuf_pool_destroy(default_pool);
+#endif
 }
 
 ogs_pkbuf_pool_t *ogs_pkbuf_pool_create(ogs_pkbuf_config_t *config)
 {
     ogs_pkbuf_pool_t *pool = NULL;
+#if OGS_USE_TALLOC == 0
     int tmp = 0;
 
     ogs_assert(config);
@@ -141,6 +152,7 @@ ogs_pkbuf_pool_t *ogs_pkbuf_pool_create(ogs_pkbuf_config_t *config)
     ogs_pool_init(&pool->cluster_2048, config->cluster_2048_pool);
     ogs_pool_init(&pool->cluster_8192, config->cluster_8192_pool);
     ogs_pool_init(&pool->cluster_big, config->cluster_big_pool);
+#endif
 
     return pool;
 }
@@ -165,6 +177,7 @@ ogs_pkbuf_pool_t *ogs_pkbuf_pool_create(ogs_pkbuf_config_t *config)
 
 void ogs_pkbuf_pool_destroy(ogs_pkbuf_pool_t *pool)
 {
+#if OGS_USE_TALLOC == 0
     ogs_assert(pool);
 
     ogs_pkbuf_pool_final(&pool->pkbuf);
@@ -181,6 +194,7 @@ void ogs_pkbuf_pool_destroy(ogs_pkbuf_pool_t *pool)
     ogs_thread_mutex_destroy(&pool->mutex);
 
     ogs_pool_free(&pkbuf_pool, pool);
+#endif
 }
 
 ogs_pkbuf_t *ogs_pkbuf_alloc_debug(
@@ -189,7 +203,7 @@ ogs_pkbuf_t *ogs_pkbuf_alloc_debug(
 #if OGS_USE_TALLOC
     ogs_pkbuf_t *pkbuf = NULL;
 
-    pkbuf = ogs_talloc_zero_size(NULL, sizeof(*pkbuf) + size, file_line);
+    pkbuf = ogs_talloc_zero_size(pool, sizeof(*pkbuf) + size, file_line);
     if (!pkbuf) {
         ogs_error("ogs_pkbuf_alloc() failed [size=%d]", size);
         return NULL;
diff --git a/lib/core/ogs-pkbuf.h b/lib/core/ogs-pkbuf.h
index cd33d313e..1bb1aeb6c 100644
--- a/lib/core/ogs-pkbuf.h
+++ b/lib/core/ogs-pkbuf.h
@@ -35,7 +35,11 @@ typedef struct ogs_cluster_s {
     unsigned int ref;
 } ogs_cluster_t;
 
+#if OGS_USE_TALLOC
+typedef void ogs_pkbuf_pool_t;
+#else
 typedef struct ogs_pkbuf_pool_s ogs_pkbuf_pool_t;
+#endif
 typedef struct ogs_pkbuf_s {
     ogs_lnode_t lnode;
 
@@ -158,15 +162,8 @@ static ogs_inline void *ogs_pkbuf_pull_inline(
 
 static ogs_inline void *ogs_pkbuf_pull(ogs_pkbuf_t *pkbuf, unsigned int len)
 {
-#if 0
-    if (ogs_unlikely(len > pkbuf->len))
-        ogs_assert_if_reached();
-
-    return ogs_pkbuf_pull_inline(pkbuf, len);
-#else
     return ogs_unlikely(len > pkbuf->len) ?
         NULL : ogs_pkbuf_pull_inline(pkbuf, len);
-#endif
 }
 
 static ogs_inline int ogs_pkbuf_trim(ogs_pkbuf_t *pkbuf, int len)
diff --git a/lib/sbi/message.c b/lib/sbi/message.c
index d32436b80..45aa3be38 100644
--- a/lib/sbi/message.c
+++ b/lib/sbi/message.c
@@ -330,29 +330,6 @@ ogs_sbi_request_t *ogs_sbi_build_request(ogs_sbi_message_t *message)
         ogs_sbi_header_set(request->http.params, OGS_SBI_PARAM_SNSSAI, v);
         ogs_free(v);
     }
-    if (message->param.plmn_id_presence) {
-        OpenAPI_plmn_id_t plmn_id;
-
-        plmn_id.mnc = ogs_plmn_id_mnc_string(&message->param.plmn_id);
-        plmn_id.mcc = ogs_plmn_id_mcc_string(&message->param.plmn_id);
-
-        if (plmn_id.mnc && plmn_id.mcc) {
-            char *v = NULL;
-            cJSON *item = NULL;
-
-            item = OpenAPI_plmn_id_convertToJSON(&plmn_id);
-            ogs_expect_or_return_val(item, NULL);
-            if (plmn_id.mnc) ogs_free(plmn_id.mnc);
-            if (plmn_id.mcc) ogs_free(plmn_id.mcc);
-
-            v = cJSON_Print(item);
-            ogs_expect_or_return_val(v, NULL);
-            cJSON_Delete(item);
-
-            ogs_sbi_header_set(request->http.params, OGS_SBI_PARAM_PLMN_ID, v);
-            ogs_free(v);
-        }
-    }
     if (message->param.slice_info_request_for_pdu_session_presence) {
         OpenAPI_slice_info_for_pdu_session_t SliceInfoForPDUSession;
         OpenAPI_snssai_t sNSSAI;
diff --git a/lib/tun/tunio.c b/lib/tun/tunio.c
index 7bc1aeb0d..befbcb9da 100644
--- a/lib/tun/tunio.c
+++ b/lib/tun/tunio.c
@@ -28,7 +28,6 @@ ogs_pkbuf_t *ogs_tun_read(ogs_socket_t fd, ogs_pkbuf_pool_t *packet_pool)
     int n;
 
     ogs_assert(fd != INVALID_SOCKET);
-    ogs_assert(packet_pool);
 
     recvbuf = ogs_pkbuf_alloc(packet_pool, OGS_MAX_PKT_LEN);
     ogs_assert(recvbuf);