diff --git a/.gitignore b/.gitignore
index 7e6b9e44c..2064f2f8a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -18,6 +18,9 @@ __pycache__
 /train/log/**/*
 /tmp
 
+# subrepos
+/extensions-builtin-sd-extension-system-info
+
 # unexcluded so folders get created
 !/repositories/.placeholder
 !/extensions/.placeholder
diff --git a/extensions-builtin/sd-extension-system-info b/extensions-builtin/sd-extension-system-info
deleted file mode 160000
index 3e3df19ed..000000000
--- a/extensions-builtin/sd-extension-system-info
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 3e3df19ed8e75de8ef3f2131a1d9174d7ae3cac3