diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..81b0869
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+_spm/
diff --git a/_spm/checkouts/swift-collections b/_spm/checkouts/swift-collections
deleted file mode 160000
index 7b847a3..0000000
--- a/_spm/checkouts/swift-collections
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 7b847a3b7008b2dc2f47ca3110d8c782fb2e5c7e