diff --git a/extensions-builtin/sd-dynamic-thresholding b/extensions-builtin/sd-dynamic-thresholding
deleted file mode 160000
index 55ca687fb..000000000
--- a/extensions-builtin/sd-dynamic-thresholding
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 55ca687fb8f23044666414b7478fd52a8ec85a55