diff --git a/extensions-builtin/multidiffusion-upscaler-for-automatic1111 b/extensions-builtin/multidiffusion-upscaler-for-automatic1111
deleted file mode 160000
index b9af9312e..000000000
--- a/extensions-builtin/multidiffusion-upscaler-for-automatic1111
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit b9af9312ef62fed2bbc70d35ed02f73b110ec88d