diff --git a/nix-index-https.patch b/nix-index-https.patch
deleted file mode 100644
index 796b07c..0000000
--- a/nix-index-https.patch
+++ /dev/null
@@ -1,10 +0,0 @@
-diff --git a/src/lib.rs b/src/lib.rs
-index 4393e4b..4a84fc0 100644
---- a/src/lib.rs
-+++ b/src/lib.rs
-@@ -23,4 +23,4 @@ pub mod workset;
- /// The URL of the binary cache that we use to fetch file listings and references.
- ///
- /// Hardcoded for now, but may be made a configurable option in the future.
--pub const CACHE_URL: &str = "http://cache.nixos.org";
-+pub const CACHE_URL: &str = "https://cache.nixos.org";