diff --git a/rtic-time/rust-toolchain.toml b/rtic-time/rust-toolchain.toml
deleted file mode 100644
index e28b55de64..0000000000
--- a/rtic-time/rust-toolchain.toml
+++ /dev/null
@@ -1,4 +0,0 @@
-[toolchain]
-channel = "nightly"
-components = [ "rust-src", "rustfmt", "llvm-tools-preview" ]
-targets = [ "thumbv6m-none-eabi", "thumbv7m-none-eabi" ]