diff --git a/extmod/modonewire.c b/extmod/modonewire.c
index 6abe3dfad..8b3426815 100644
--- a/extmod/modonewire.c
+++ b/extmod/modonewire.c
@@ -30,6 +30,8 @@
 #include "py/obj.h"
 #include "py/mphal.h"
 
+#if MICROPY_PY_ONEWIRE
+
 /******************************************************************************/
 // Low-level 1-Wire routines
 
@@ -160,3 +162,5 @@ const mp_obj_module_t mp_module_onewire = {
     .base = { &mp_type_module },
     .globals = (mp_obj_dict_t *)&onewire_module_globals,
 };
+
+#endif // MICROPY_PY_ONEWIRE
diff --git a/ports/esp32/mpconfigport.h b/ports/esp32/mpconfigport.h
index f8b26bfe8..b306be937 100644
--- a/ports/esp32/mpconfigport.h
+++ b/ports/esp32/mpconfigport.h
@@ -182,6 +182,7 @@
 #define MICROPY_PY_WEBREPL                  (1)
 #define MICROPY_PY_FRAMEBUF                 (1)
 #define MICROPY_PY_BTREE                    (1)
+#define MICROPY_PY_ONEWIRE                  (1)
 #define MICROPY_PY_USOCKET_EVENTS           (MICROPY_PY_WEBREPL)
 #define MICROPY_PY_BLUETOOTH_RANDOM_ADDR    (1)
 #define MICROPY_PY_BLUETOOTH_DEFAULT_GAP_NAME ("ESP32")
diff --git a/ports/esp8266/mpconfigport.h b/ports/esp8266/mpconfigport.h
index 5364dd58b..78263efec 100644
--- a/ports/esp8266/mpconfigport.h
+++ b/ports/esp8266/mpconfigport.h
@@ -86,6 +86,7 @@
 #define MICROPY_PY_MACHINE_SPI      (1)
 #define MICROPY_PY_MACHINE_SOFTSPI  (1)
 #define MICROPY_PY_UWEBSOCKET       (1)
+#define MICROPY_PY_ONEWIRE          (1)
 #define MICROPY_PY_WEBREPL          (1)
 #define MICROPY_PY_WEBREPL_DELAY    (20)
 #define MICROPY_PY_WEBREPL_STATIC_FILEBUF (1)
diff --git a/ports/mimxrt/mpconfigport.h b/ports/mimxrt/mpconfigport.h
index 88e1872cf..be2b87e6a 100644
--- a/ports/mimxrt/mpconfigport.h
+++ b/ports/mimxrt/mpconfigport.h
@@ -130,6 +130,7 @@ uint32_t trng_random_u32(void);
 #define MICROPY_PY_MACHINE_SPI              (1)
 #define MICROPY_PY_MACHINE_SOFTSPI          (1)
 #define MICROPY_PY_FRAMEBUF                 (1)
+#define MICROPY_PY_ONEWIRE                  (1)
 
 // Use VfsLfs2's types for fileio/textio
 #define mp_type_fileio mp_type_vfs_lfs2_fileio
diff --git a/ports/rp2/mpconfigport.h b/ports/rp2/mpconfigport.h
index ad3de396b..4da34cd03 100644
--- a/ports/rp2/mpconfigport.h
+++ b/ports/rp2/mpconfigport.h
@@ -138,6 +138,7 @@
 #define MICROPY_PY_MACHINE_SPI_LSB              (SPI_LSB_FIRST)
 #define MICROPY_PY_MACHINE_SOFTSPI              (1)
 #define MICROPY_PY_FRAMEBUF                     (1)
+#define MICROPY_PY_ONEWIRE                      (1)
 #define MICROPY_VFS                             (1)
 #define MICROPY_VFS_LFS2                        (1)
 #define MICROPY_VFS_FAT                         (1)
diff --git a/py/mpconfig.h b/py/mpconfig.h
index 288b10537..1b41b6bd0 100644
--- a/py/mpconfig.h
+++ b/py/mpconfig.h
@@ -1517,6 +1517,11 @@ typedef double mp_float_t;
 #define MICROPY_PY_BTREE (0)
 #endif
 
+// Whether to provide the low-level "_onewire" module
+#ifndef MICROPY_PY_ONEWIRE
+#define MICROPY_PY_ONEWIRE (0)
+#endif
+
 /*****************************************************************************/
 /* Hooks for a port to add builtins                                          */