diff --git a/crates/dagger-codegen/rust-toolchain b/crates/dagger-codegen/rust-toolchain
deleted file mode 100644
index bf867e0..0000000
--- a/crates/dagger-codegen/rust-toolchain
+++ /dev/null
@@ -1 +0,0 @@
-nightly
diff --git a/rust-toolchain b/rust-toolchain
deleted file mode 100644
index bf867e0..0000000
--- a/rust-toolchain
+++ /dev/null
@@ -1 +0,0 @@
-nightly