diff --git a/micropython-1.25.0.tar.xz b/micropython-1.25.0.tar.xz
index 853a67e..26d8b2f 100644
--- a/micropython-1.25.0.tar.xz
+++ b/micropython-1.25.0.tar.xz
@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:c9028d4ac8389890329a717e6bc5d2a8fb3145d3526fa24387e418f531972d4a
-size 58476060
+oid sha256:5e5e93b9ee6f4be655c7a75d462853caccd21bba432a7bb0d8d2b8cc586be82e
+size 52794732
diff --git a/prepare.sh b/prepare.sh
index 85bf8b3..e492c86 100644
--- a/prepare.sh
+++ b/prepare.sh
@@ -13,6 +13,9 @@ tar xf "micropython-${version}.tar.xz"
 pushd "micropython-${version}"
 rm -rv "lib/fsp"
 rm -rv "lib/alif-security-toolkit"
+rm -rv "lib/alif_ensemble-cmsis-dfp"
+rm -rv "lib/asf4"
+rm -rv "lib/cyw43-driver"
 pushd "lib/btstack/port"
 find . -maxdepth 1 -type d | grep -v libusb | grep -v posix | grep -v qt- | xargs rm -rv || :
 popd