diff --git a/py/obj.c b/py/obj.c
index 555a4a8b96..34ecdab848 100644
--- a/py/obj.c
+++ b/py/obj.c
@@ -33,6 +33,7 @@
 #include "py/obj.h"
 #include "py/objtype.h"
 #include "py/objint.h"
+#include "py/objstr.h"
 #include "py/runtime0.h"
 #include "py/runtime.h"
 #include "py/stackctrl.h"
@@ -422,7 +423,8 @@ mp_obj_t mp_obj_len_maybe(mp_obj_t o_in) {
         MP_OBJ_IS_STR(o_in) ||
 #endif
         MP_OBJ_IS_TYPE(o_in, &mp_type_bytes)) {
-        return MP_OBJ_NEW_SMALL_INT(mp_obj_str_get_len(o_in));
+        GET_STR_LEN(o_in, l);
+        return MP_OBJ_NEW_SMALL_INT(l);
     } else {
         mp_obj_type_t *type = mp_obj_get_type(o_in);
         if (type->unary_op != NULL) {
diff --git a/py/obj.h b/py/obj.h
index 10a678e83b..08fc334c97 100644
--- a/py/obj.h
+++ b/py/obj.h
@@ -560,8 +560,6 @@ void mp_init_emergency_exception_buf(void);
 
 // str
 bool mp_obj_str_equal(mp_obj_t s1, mp_obj_t s2);
-mp_uint_t mp_obj_str_get_hash(mp_obj_t self_in);
-mp_uint_t mp_obj_str_get_len(mp_obj_t self_in);
 qstr mp_obj_str_get_qstr(mp_obj_t self_in); // use this if you will anyway convert the string to a qstr
 const char *mp_obj_str_get_str(mp_obj_t self_in); // use this only if you need the string to be null terminated
 const char *mp_obj_str_get_data(mp_obj_t self_in, mp_uint_t *len);
diff --git a/py/objstr.c b/py/objstr.c
index f1e4e6b7bf..42a1d5c5d4 100644
--- a/py/objstr.c
+++ b/py/objstr.c
@@ -1996,16 +1996,6 @@ STATIC void bad_implicit_conversion(mp_obj_t self_in) {
     }
 }
 
-mp_uint_t mp_obj_str_get_len(mp_obj_t self_in) {
-    // TODO This has a double check for the type, one in obj.c and one here
-    if (MP_OBJ_IS_STR_OR_BYTES(self_in)) {
-        GET_STR_LEN(self_in, l);
-        return l;
-    } else {
-        bad_implicit_conversion(self_in);
-    }
-}
-
 // use this if you will anyway convert the string to a qstr
 // will be more efficient for the case where it's already a qstr
 qstr mp_obj_str_get_qstr(mp_obj_t self_in) {