diff --git a/lib/micropython-microbit-v2 b/lib/micropython-microbit-v2
index 87f726ce..0b06914c 160000
--- a/lib/micropython-microbit-v2
+++ b/lib/micropython-microbit-v2
@@ -1 +1 @@
-Subproject commit 87f726cec9feeffcaee6e953d85fea14b28c404f
+Subproject commit 0b06914c71c18533da90df85230ac198578669bf
diff --git a/src/jshal.h b/src/jshal.h
index 320af1a5..c83bca65 100644
--- a/src/jshal.h
+++ b/src/jshal.h
@@ -56,7 +56,6 @@ int mp_js_hal_pin_set_analog_period_us(int pin, int period);
 
 int mp_js_hal_display_get_pixel(int x, int y);
 void mp_js_hal_display_set_pixel(int x, int y, int value);
-void mp_js_hal_display_clear(void);
 int mp_js_hal_display_read_light_level(void);
 
 int mp_js_hal_accelerometer_get_x(void);
diff --git a/src/jshal.js b/src/jshal.js
index c313dada..62c0f7a2 100644
--- a/src/jshal.js
+++ b/src/jshal.js
@@ -163,10 +163,6 @@ mergeInto(LibraryManager.library, {
     Module.board.display.setPixel(x, y, value);
   },
 
-  mp_js_hal_display_clear: function () {
-    Module.board.display.clear();
-  },
-
   mp_js_hal_display_read_light_level: function () {
     return Module.board.display.lightLevel.value;
   },
diff --git a/src/microbithal_js.c b/src/microbithal_js.c
index a938352f..22fbfd97 100644
--- a/src/microbithal_js.c
+++ b/src/microbithal_js.c
@@ -318,10 +318,6 @@ void microbit_hal_display_enable(int value) {
     */
 }
 
-void microbit_hal_display_clear(void) {
-    mp_js_hal_display_clear();
-}
-
 int microbit_hal_display_get_pixel(int x, int y) {
     return mp_js_hal_display_get_pixel(x, y);
 }
diff --git a/src/mpconfigport.h b/src/mpconfigport.h
index a5064046..e80fac5a 100644
--- a/src/mpconfigport.h
+++ b/src/mpconfigport.h
@@ -87,6 +87,8 @@
 #define MICROPY_PY_TIME                         (1)
 #define MICROPY_PY_MACHINE_PULSE                (1)
 
+#define MICROPY_PY_SPEECH_DEFAULT_MODE          (3)
+
 #define MICROPY_HW_ENABLE_RNG                   (1)
 
 // The simulator provides its own version of the relevant mbfs methods.