diff --git a/shared-bindings/usb/__init__.c b/shared-bindings/usb/__init__.c
index b22fce8011..1227db01e1 100644
--- a/shared-bindings/usb/__init__.c
+++ b/shared-bindings/usb/__init__.c
@@ -37,41 +37,10 @@
 //| The `usb` is a subset of PyUSB that allows you to communicate to USB devices.
 //| """
 //|
-//| def set_user_keymap(keymap: ReadableBuffer, /) -> None:
-//|     """Set the keymap used by a USB HID keyboard in kernel mode
-//|
-//|     The keymap consists of 256 or 384 1-byte entries that map from USB keycodes
-//|     to ASCII codes. The first 128 entries are for unmodified keys,
-//|     the next 128 entries are for shifted keys,and the next optional 128 entries are
-//|     for altgr-modified keys.
-//|
-//|     The values must all be ASCII (32 through 126 inclusive); other values are not valid.
-//|
-//|     The values at index 0, 128, and 256 (if the keymap has 384 entries) must be
-//|     0; other values are reserved for future expansion to indicate alternate
-//|     keymap formats.
-//|
-//|     At other indices, the value 0 is used to indicate that the normal
-//|     definition is still used. For instance, the entry for HID_KEY_ARROW_UP
-//|     (0x52) is usually 0 so that the default behavior of sending an escape code
-//|     is preserved.
-//|
-//|     This function is a CircuitPython extension not present in PyUSB
-//|     """
-//|
-STATIC mp_obj_t usb_set_user_keymap(mp_obj_t buf_in) {
-    mp_buffer_info_t bufinfo;
-    mp_get_buffer_raise(buf_in, &bufinfo, MP_BUFFER_READ);
-    usb_keymap_set(bufinfo.buf, bufinfo.len);
-    return mp_const_none;
-}
-
-MP_DEFINE_CONST_FUN_OBJ_1(usb_set_user_keymap_obj, usb_set_user_keymap);
 
 STATIC mp_rom_map_elem_t usb_module_globals_table[] = {
     { MP_ROM_QSTR(MP_QSTR___name__),        MP_OBJ_NEW_QSTR(MP_QSTR_usb) },
     { MP_ROM_QSTR(MP_QSTR_core),          MP_OBJ_FROM_PTR(&usb_core_module) },
-    { MP_ROM_QSTR(MP_QSTR_set_user_keymap),          MP_OBJ_FROM_PTR(&usb_set_user_keymap_obj) },
 };
 
 STATIC MP_DEFINE_CONST_DICT(usb_module_globals, usb_module_globals_table);
diff --git a/shared-bindings/usb_host/__init__.c b/shared-bindings/usb_host/__init__.c
index 5c884b3ec2..74ee78b3b3 100644
--- a/shared-bindings/usb_host/__init__.c
+++ b/shared-bindings/usb_host/__init__.c
@@ -30,16 +30,49 @@
 
 #include "shared-bindings/usb_host/__init__.h"
 #include "shared-bindings/usb_host/Port.h"
+#include "supervisor/usb.h"
 
 //| """USB Host
 //|
 //| The `usb_host` module allows you to manage USB host ports. To communicate
 //| with devices use the `usb` module that is a subset of PyUSB's API.
 //| """
+//|
+//| def set_user_keymap(keymap: ReadableBuffer, /) -> None:
+//|     """Set the keymap used by a USB HID keyboard in kernel mode
+//|
+//|     The keymap consists of 256 or 384 1-byte entries that map from USB keycodes
+//|     to ASCII codes. The first 128 entries are for unmodified keys,
+//|     the next 128 entries are for shifted keys,and the next optional 128 entries are
+//|     for altgr-modified keys.
+//|
+//|     The values must all be ASCII (32 through 126 inclusive); other values are not valid.
+//|
+//|     The values at index 0, 128, and 256 (if the keymap has 384 entries) must be
+//|     0; other values are reserved for future expansion to indicate alternate
+//|     keymap formats.
+//|
+//|     At other indices, the value 0 is used to indicate that the normal
+//|     definition is still used. For instance, the entry for HID_KEY_ARROW_UP
+//|     (0x52) is usually 0 so that the default behavior of sending an escape code
+//|     is preserved.
+//|
+//|     This function is a CircuitPython extension not present in PyUSB
+//|     """
+//|
+STATIC mp_obj_t usb_set_user_keymap(mp_obj_t buf_in) {
+    mp_buffer_info_t bufinfo;
+    mp_get_buffer_raise(buf_in, &bufinfo, MP_BUFFER_READ);
+    usb_keymap_set(bufinfo.buf, bufinfo.len);
+    return mp_const_none;
+}
+
+MP_DEFINE_CONST_FUN_OBJ_1(usb_set_user_keymap_obj, usb_set_user_keymap);
 
 STATIC mp_map_elem_t usb_host_module_globals_table[] = {
     { MP_ROM_QSTR(MP_QSTR___name__),        MP_OBJ_NEW_QSTR(MP_QSTR_usb_host) },
     { MP_ROM_QSTR(MP_QSTR_Port),          MP_OBJ_FROM_PTR(&usb_host_port_type) },
+    { MP_ROM_QSTR(MP_QSTR_set_user_keymap),          MP_OBJ_FROM_PTR(&usb_set_user_keymap_obj) },
 };
 
 STATIC MP_DEFINE_CONST_DICT(usb_host_module_globals, usb_host_module_globals_table);