diff --git a/software/boards/RPI_PICO_W/mpconfigboard.cmake b/software/boards/RPI_PICO_W/mpconfigboard.cmake
index b589490..937e648 100644
--- a/software/boards/RPI_PICO_W/mpconfigboard.cmake
+++ b/software/boards/RPI_PICO_W/mpconfigboard.cmake
@@ -20,5 +20,3 @@ set(GEN_PINS_CSV_ARG --board-csv "${GEN_PINS_BOARD_CSV}")
 
 add_link_options("-Wl,--print-memory-usage")
 set(PICO_USE_FASTEST_SUPPORTED_CLOCK 1)
-
-set(MICROPY_C_HEAP_SIZE 8192)
diff --git a/software/lib/micropython b/software/lib/micropython
index e3e6040..4ecb409 160000
--- a/software/lib/micropython
+++ b/software/lib/micropython
@@ -1 +1 @@
-Subproject commit e3e6040101e1ccdaacc81bb5993cd9e30f2ef884
+Subproject commit 4ecb4099cf3a966bdc6edcb6ffd05e17de019a72