diff --git a/build.rs b/build.rs
deleted file mode 100644
index b93c17793bf3..000000000000
--- a/build.rs
+++ /dev/null
@@ -1,6 +0,0 @@
-// TODO: remove this file and deps/libLLVM-18-rust-1.78.0-nightly.so when
-// https://github.com/rust-lang/rust/pull/121967 is merged.
-fn main() {
-    println!("cargo:rerun-if-changed=deps/libLLVM-18-rust-1.78.0-nightly.so");
-    println!("cargo:rustc-link-search=deps");
-}
diff --git a/deps/libLLVM-18-rust-1.78.0-nightly.so b/deps/libLLVM-18-rust-1.78.0-nightly.so
deleted file mode 100644
index c44ca790b4f8..000000000000
--- a/deps/libLLVM-18-rust-1.78.0-nightly.so
+++ /dev/null
@@ -1 +0,0 @@
-INPUT(libLLVM.so.18.1-rust-1.78.0-nightly)