5 files changed, 9 insertions, 0 deletions
diff --git a/extmod/modubinascii.c b/extmod/modubinascii.c
index 57aa2c2ce2..de8b5d9aeb 100644
--- a/extmod/modubinascii.c
+++ b/extmod/modubinascii.c
@@ -35,6 +35,7 @@
 #if MICROPY_PY_UBINASCII
 
 STATIC mp_obj_t mod_binascii_hexlify(mp_uint_t n_args, const mp_obj_t *args) {
+    (void)n_args;
     mp_buffer_info_t bufinfo;
     mp_get_buffer_raise(args[0], &bufinfo, MP_BUFFER_READ);
 
diff --git a/extmod/moductypes.c b/extmod/moductypes.c
index 923d34488e..7e7128a269 100644
--- a/extmod/moductypes.c
+++ b/extmod/moductypes.c
@@ -122,6 +122,7 @@ STATIC NORETURN void syntax_error(void) {
 }
 
 STATIC mp_obj_t uctypes_struct_make_new(mp_obj_t type_in, mp_uint_t n_args, mp_uint_t n_kw, const mp_obj_t *args) {
+    (void)n_kw;
     if (n_args < 2 || n_args > 3) {
         syntax_error();
     }
@@ -137,6 +138,7 @@ STATIC mp_obj_t uctypes_struct_make_new(mp_obj_t type_in, mp_uint_t n_args, mp_u
 }
 
 STATIC void uctypes_struct_print(void (*print)(void *env, const char *fmt, ...), void *env, mp_obj_t self_in, mp_print_kind_t kind) {
+    (void)kind;
     mp_obj_uctypes_struct_t *self = self_in;
     const char *typen = "unk";
     if (MP_OBJ_IS_TYPE(self->desc, &mp_type_dict)) {
diff --git a/extmod/moduhashlib.c b/extmod/moduhashlib.c
index d4d05c3e95..40a0f06094 100644
--- a/extmod/moduhashlib.c
+++ b/extmod/moduhashlib.c
@@ -71,6 +71,7 @@ STATIC mp_obj_t hash_digest(mp_obj_t self_in) {
 MP_DEFINE_CONST_FUN_OBJ_1(hash_digest_obj, hash_digest);
 
 STATIC mp_obj_t hash_hexdigest(mp_obj_t self_in) {
+    (void)self_in;
     mp_not_implemented("");
 #if 0
     mp_obj_hash_t *self = self_in;
diff --git a/extmod/modure.c b/extmod/modure.c
index fa7ae67740..d192585f5d 100644
--- a/extmod/modure.c
+++ b/extmod/modure.c
@@ -52,6 +52,7 @@ typedef struct _mp_obj_match_t {
 
 
 STATIC void match_print(void (*print)(void *env, const char *fmt, ...), void *env, mp_obj_t self_in, mp_print_kind_t kind) {
+    (void)kind;
     mp_obj_match_t *self = self_in;
     print(env, "<match num=%d @%p>", self->num_matches);
 }
@@ -82,11 +83,13 @@ STATIC const mp_obj_type_t match_type = {
 };
 
 STATIC void re_print(void (*print)(void *env, const char *fmt, ...), void *env, mp_obj_t self_in, mp_print_kind_t kind) {
+    (void)kind;
     mp_obj_re_t *self = self_in;
     print(env, "<re %p>", self);
 }
 
 STATIC mp_obj_t re_exec(bool is_anchored, uint n_args, const mp_obj_t *args) {
+    (void)n_args;
     mp_obj_re_t *self = args[0];
     Subject subj;
     mp_uint_t len;
@@ -192,6 +195,7 @@ STATIC mp_obj_t mod_re_compile(uint n_args, const mp_obj_t *args) {
 MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(mod_re_compile_obj, 1, 2, mod_re_compile);
 
 STATIC mp_obj_t mod_re_exec(bool is_anchored, uint n_args, const mp_obj_t *args) {
+    (void)n_args;
     mp_obj_re_t *self = mod_re_compile(1, args);
 
     const mp_obj_t args2[] = {self, args[1]};
diff --git a/extmod/moduzlib.c b/extmod/moduzlib.c
index 680b5c1b8e..821f300dab 100644
--- a/extmod/moduzlib.c
+++ b/extmod/moduzlib.c
@@ -55,6 +55,7 @@ STATIC int mod_uzlib_grow_buf(TINF_DATA *d, unsigned alloc_req) {
 }
 
 STATIC mp_obj_t mod_uzlib_decompress(mp_uint_t n_args, const mp_obj_t *args) {
+    (void)n_args;
     mp_obj_t data = args[0];
     mp_buffer_info_t bufinfo;
     mp_get_buffer_raise(data, &bufinfo, MP_BUFFER_READ);