diff --git a/lib/Pico-PIO-USB b/lib/Pico-PIO-USB
deleted file mode 160000
index 53ec09168..000000000
--- a/lib/Pico-PIO-USB
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 53ec09168c5a3cd30d8dcb577fa97dc328d769d4