diff --git a/tests/z_api_liveliness.c b/tests/z_api_liveliness.c
index 7fe13dc6c..c7465132a 100644
--- a/tests/z_api_liveliness.c
+++ b/tests/z_api_liveliness.c
@@ -30,7 +30,7 @@ typedef struct context_t {
 const char* token1_expr = "zenoh/liveliness/test/1";
 const char* token2_expr = "zenoh/liveliness/test/2";
 
-void on_receive(const z_loaned_sample_t* s, void* context) {
+void on_receive(z_loaned_sample_t* s, void* context) {
     context_t* c = (context_t*)context;
     const z_loaned_keyexpr_t* k = z_sample_keyexpr(s);
     z_view_string_t ks;
diff --git a/tests/z_int_pub_cache_query_sub_test.c b/tests/z_int_pub_cache_query_sub_test.c
index ea2babd1f..695b939cd 100644
--- a/tests/z_int_pub_cache_query_sub_test.c
+++ b/tests/z_int_pub_cache_query_sub_test.c
@@ -91,7 +91,7 @@ int run_publisher() {
     return 0;
 }
 
-void data_handler(const z_loaned_sample_t *sample, void *arg) {
+void data_handler(z_loaned_sample_t *sample, void *arg) {
     static int val_num = 0;
     z_view_string_t keystr;
     z_keyexpr_as_view_string(z_sample_keyexpr(sample), &keystr);