diff --git a/zephyr/Makefile b/zephyr/Makefile
index 1d247af1a1a8727ce18cb608abd382acf0f27548..ae707ff75f6635b42d81c4d62733cc9eb2c9b9f6 100644
--- a/zephyr/Makefile
+++ b/zephyr/Makefile
@@ -44,7 +44,6 @@ SRC_C = main.c \
 	lib/utils/printf.c \
 	lib/utils/pyexec.c \
 	lib/utils/interrupt_char.c \
-	lib/utils/pyhelp.c \
 	lib/mp-readline/readline.c \
 	$(SRC_MOD)
 
diff --git a/zephyr/help.c b/zephyr/help.c
index e40a11781d0e3189e7d3af1c3dd8bd4336e552bd..0c7f279406da64df1119a40ea25fb8d0e0232757 100644
--- a/zephyr/help.c
+++ b/zephyr/help.c
@@ -24,11 +24,9 @@
  * THE SOFTWARE.
  */
 
-#include <stdio.h>
+#include "py/builtin.h"
 
-#include "lib/utils/pyhelp.h"
-
-STATIC const char *help_text =
+const char *zephyr_help_text =
 "Welcome to MicroPython!\n"
 "\n"
 "Control commands:\n"
@@ -40,17 +38,3 @@ STATIC const char *help_text =
 "\n"
 "For further help on a specific object, type help(obj)\n"
 ;
-
-STATIC mp_obj_t builtin_help(size_t n_args, const mp_obj_t *args) {
-    if (n_args == 0) {
-        // print a general help message
-        printf("%s", help_text);
-
-    } else {
-        // try to print something sensible about the given object
-        pyhelp_print_obj(args[0]);
-    }
-
-    return mp_const_none;
-}
-MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(mp_builtin_help_obj, 0, 1, builtin_help);
diff --git a/zephyr/mpconfigport.h b/zephyr/mpconfigport.h
index 26fb1410fecbb56c9a5a4f078d35a30a3b708a12..2cd5ffcecccf81bca7a5db4b7ca7966cc0a53389 100644
--- a/zephyr/mpconfigport.h
+++ b/zephyr/mpconfigport.h
@@ -48,6 +48,8 @@
 #define MICROPY_PY_BUILTINS_RANGE_ATTRS (0)
 #define MICROPY_PY_BUILTINS_REVERSED (0)
 #define MICROPY_PY_BUILTINS_SET     (0)
+#define MICROPY_PY_BUILTINS_HELP    (1)
+#define MICROPY_PY_BUILTINS_HELP_TEXT zephyr_help_text
 #define MICROPY_PY_ARRAY            (0)
 #define MICROPY_PY_COLLECTIONS      (0)
 #define MICROPY_PY_CMATH            (0)
@@ -114,5 +116,4 @@ extern const struct _mp_obj_module_t mp_module_time;
 
 // extra built in names to add to the global namespace
 #define MICROPY_PORT_BUILTINS \
-    { MP_OBJ_NEW_QSTR(MP_QSTR_help), (mp_obj_t)&mp_builtin_help_obj }, \