diff --git a/examples/CMakeLists.txt b/examples/CMakeLists.txt
index 0a701993d..42306a4d1 100644
--- a/examples/CMakeLists.txt
+++ b/examples/CMakeLists.txt
@@ -16,13 +16,6 @@ file(GLOB files "${CMAKE_CURRENT_SOURCE_DIR}/*.c")
 
 foreach(file ${files})
     get_filename_component(target ${file} NAME_WE)
-
-    # Exclude some examples if UNSTABLE feature is disabled
-    if(NOT(ZENOHC_BUILD_WITH_UNSTABLE_API))
-        if(${target} STREQUAL "z_info")
-            continue()
-        endif()
-    endif()
     # Exclude SHM examples if SHM feature is disabled
     if(NOT(ZENOHC_BUILD_WITH_SHARED_MEMORY AND (ZENOHC_BUILD_WITH_UNSTABLE_API)))
         if(${target} MATCHES "^.*_shm.*$")
diff --git a/examples/z_scout.c b/examples/z_scout.c
index 547a90600..1013e30a5 100644
--- a/examples/z_scout.c
+++ b/examples/z_scout.c
@@ -15,7 +15,6 @@
 
 #include "zenoh.h"
 
-#if defined(Z_FEATURE_UNSTABLE_API)
 void fprintpid(FILE *stream, z_id_t pid) {
     int len = 0;
     for (int i = 0; i < 16; i++) {
@@ -33,7 +32,6 @@ void fprintpid(FILE *stream, z_id_t pid) {
         fprintf(stream, ")");
     }
 }
-#endif
 
 void fprintwhatami(FILE *stream, z_whatami_t whatami) {
     z_view_string_t whatami_str;
@@ -57,9 +55,8 @@ void fprintlocators(FILE *stream, const z_loaned_string_array_t *locs) {
 
 void fprinthello(FILE *stream, const z_loaned_hello_t *hello) {
     fprintf(stream, "Hello { pid: ");
-#if defined(Z_FEATURE_UNSTABLE_API)
+
     fprintpid(stream, z_hello_zid(hello));
-#endif
     fprintf(stream, ", whatami: ");
     fprintwhatami(stream, z_hello_whatami(hello));
 
diff --git a/include/zenoh_commons.h b/include/zenoh_commons.h
index d0ad0eeea..143cb9950 100644
--- a/include/zenoh_commons.h
+++ b/include/zenoh_commons.h
@@ -506,14 +506,6 @@ typedef struct z_owned_closure_sample_t {
 typedef struct z_moved_closure_sample_t {
   struct z_owned_closure_sample_t _this;
 } z_moved_closure_sample_t;
-/**
- * @brief A Zenoh ID.
- *
- * In general, valid Zenoh IDs are LSB-first 128bit unsigned and non-zero integers.
- */
-typedef struct ALIGN(1) z_id_t {
-  uint8_t id[16];
-} z_id_t;
 /**
  * @brief A zenoh id-processing closure.
  *
@@ -2527,13 +2519,9 @@ void z_hello_locators(const struct z_loaned_hello_t *this_,
  */
 ZENOHC_API enum z_whatami_t z_hello_whatami(const struct z_loaned_hello_t *this_);
 /**
- * @warning This API has been marked as unstable: it works as advertised, but it may be changed in a future release.
  * @brief Returns id of Zenoh entity that transmitted hello message.
  */
-#if defined(Z_FEATURE_UNSTABLE_API)
-ZENOHC_API
-struct z_id_t z_hello_zid(const struct z_loaned_hello_t *this_);
-#endif
+ZENOHC_API struct z_id_t z_hello_zid(const struct z_loaned_hello_t *this_);
 /**
  * @brief Formats the `z_id_t` into 16-digit hex string (LSB-first order)
  */
@@ -2651,7 +2639,8 @@ ZENOHC_API bool z_internal_closure_zid_check(const struct z_owned_closure_zid_t
 /**
  * @brief Constructs a null closure.
  */
-ZENOHC_API void z_internal_closure_zid_null(struct z_owned_closure_zid_t *this_);
+ZENOHC_API
+void z_internal_closure_zid_null(struct z_owned_closure_zid_t *this_);
 /**
  * Returns ``true`` if conditional variable is valid, ``false`` otherwise.
  */
@@ -4382,13 +4371,9 @@ ZENOHC_API
 const char *z_time_now_as_str(const char *buf,
                               size_t len);
 /**
- * @warning This API has been marked as unstable: it works as advertised, but it may be changed in a future release.
  * @brief Returns id associated with this timestamp.
  */
-#if defined(Z_FEATURE_UNSTABLE_API)
-ZENOHC_API
-struct z_id_t z_timestamp_id(const struct z_timestamp_t *this_);
-#endif
+ZENOHC_API struct z_id_t z_timestamp_id(const struct z_timestamp_t *this_);
 /**
  * Create uhlc timestamp from session id.
  */
diff --git a/splitguide.yaml b/splitguide.yaml
index 0efe48406..b1f5c3d29 100644
--- a/splitguide.yaml
+++ b/splitguide.yaml
@@ -47,7 +47,7 @@ zenoh_opaque.h:
   - z_owned_source_info_t!#unstable
   - z_loaned_source_info_t!#unstable
   - z_entity_global_id_t!#unstable
-  - z_id_t!#unstable
+  - z_id_t!
   - z_timestamp_t!
   - z_owned_publisher_t!
   - z_loaned_publisher_t!
diff --git a/src/commons.rs b/src/commons.rs
index 9009609bb..1eb2d22a4 100644
--- a/src/commons.rs
+++ b/src/commons.rs
@@ -32,13 +32,11 @@ use zenoh::{
 #[cfg(feature = "unstable")]
 use crate::transmute::IntoCType;
 #[cfg(feature = "unstable")]
-use crate::z_id_t;
-#[cfg(feature = "unstable")]
 use crate::z_moved_source_info_t;
 use crate::{
     result,
     transmute::{CTypeRef, LoanedCTypeRef, RustTypeRef, RustTypeRefUninit, TakeRustType},
-    z_loaned_bytes_t, z_loaned_encoding_t, z_loaned_keyexpr_t, z_loaned_session_t,
+    z_id_t, z_loaned_bytes_t, z_loaned_encoding_t, z_loaned_keyexpr_t, z_loaned_session_t,
 };
 
 /// A zenoh unsigned integer
@@ -92,8 +90,6 @@ pub extern "C" fn z_timestamp_ntp64_time(this_: &z_timestamp_t) -> u64 {
     this_.as_rust_type_ref().get_time().0
 }
 
-#[cfg(feature = "unstable")]
-/// @warning This API has been marked as unstable: it works as advertised, but it may be changed in a future release.
 /// @brief Returns id associated with this timestamp.
 #[no_mangle]
 pub extern "C" fn z_timestamp_id(this_: &z_timestamp_t) -> z_id_t {
diff --git a/src/scouting.rs b/src/scouting.rs
index 09e8cc41d..14d1b4712 100644
--- a/src/scouting.rs
+++ b/src/scouting.rs
@@ -22,12 +22,10 @@ use zenoh::{
 pub use crate::opaque_types::{z_loaned_hello_t, z_moved_hello_t, z_owned_hello_t};
 use crate::{
     result::{self, Z_OK},
-    transmute::{LoanedCTypeRef, RustTypeRef, RustTypeRefUninit, TakeRustType},
-    z_closure_hello_call, z_closure_hello_loan, z_moved_closure_hello_t, z_moved_config_t,
+    transmute::{IntoCType, LoanedCTypeRef, RustTypeRef, RustTypeRefUninit, TakeRustType},
+    z_closure_hello_call, z_closure_hello_loan, z_id_t, z_moved_closure_hello_t, z_moved_config_t,
     z_owned_string_array_t, z_view_string_t, CString, CStringView, ZVector,
 };
-#[cfg(feature = "unstable")]
-use crate::{transmute::IntoCType, z_id_t};
 decl_c_type!(
     owned(z_owned_hello_t, option Hello ),
     loaned(z_loaned_hello_t),
@@ -70,8 +68,6 @@ pub extern "C" fn z_hello_clone(dst: &mut MaybeUninit<z_owned_hello_t>, this_: &
         .write(Some(this_.as_rust_type_ref().clone()));
 }
 
-#[cfg(feature = "unstable")]
-/// @warning This API has been marked as unstable: it works as advertised, but it may be changed in a future release.
 /// @brief Returns id of Zenoh entity that transmitted hello message.
 #[no_mangle]
 pub extern "C" fn z_hello_zid(this_: &z_loaned_hello_t) -> z_id_t {
diff --git a/tests/z_api_alignment_test.c b/tests/z_api_alignment_test.c
index c73a89855..cfc1df46a 100644
--- a/tests/z_api_alignment_test.c
+++ b/tests/z_api_alignment_test.c
@@ -26,14 +26,12 @@
 
 const char *value = "Test value";
 
-#if defined(Z_FEATURE_UNSTABLE_API)
 volatile unsigned int zids = 0;
 void zid_handler(const z_id_t *id, void *arg) {
     (void)(arg);
     (void)(id);
     zids++;
 }
-#endif
 
 volatile unsigned int hellos = 0;
 void hello_handler(z_loaned_hello_t *hello, void *arg) {
@@ -201,7 +199,6 @@ int main(int argc, char **argv) {
     assert(0 == z_open(&s1, z_move(_ret_config), NULL));
     assert(z_internal_check(s1));
 
-#if defined(Z_FEATURE_UNSTABLE_API)
     z_id_t _ret_zid = z_info_zid(z_loan(s1));
     z_owned_string_t str;
     z_id_to_string(&_ret_zid, &str);
@@ -221,7 +218,6 @@ int main(int argc, char **argv) {
 
     z_sleep_s(SLEEP);
     assert(zids == 1);
-#endif
 
 #ifdef ZENOH_PICO
     zp_task_read_options_t _ret_read_opt = zp_task_read_options_default();