diff --git a/.gitignore b/.gitignore
index 28d22ed..8171171 100644
--- a/.gitignore
+++ b/.gitignore
@@ -40,3 +40,4 @@ output.txt
 
 # Python scripts (dev tools)
 *.py
+webfun-reference/
diff --git a/webfun-reference b/webfun-reference
deleted file mode 160000
index 2a16d74..0000000
--- a/webfun-reference
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 2a16d749372980138e2823511d62d896cf1cfe49