diff --git a/.cargo/config.toml b/.cargo/config.toml
deleted file mode 100644
index 1d21b6b..0000000
--- a/.cargo/config.toml
+++ /dev/null
@@ -1,2 +0,0 @@
-[env]
-LLVM_SYS_150_PREFIX = "/opt/clang+llvm-15.0.0-x86_64-linux-gnu-rhel-8.4"
\ No newline at end of file
diff --git a/build.rs b/build.rs
index 3cb28c0..e144bc0 100644
--- a/build.rs
+++ b/build.rs
@@ -1,5 +1,3 @@
-use std::env;
-
 fn main() {
     let llvm_version = "15.0.0";
     let target = format!("clang+llvm-{}-x86_64-linux-gnu-rhel-8.4", llvm_version);