diff --git a/src/main.rs b/src/main.rs
index e9d6771b6bc3e7a83b9b7dde1188caf5cf5a3837..c4e7ec0fb0a138daafb8e972dcd80cdd7df8e88d 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,13 +1,13 @@
 use anyhow::Context;
 use clap::Parser;
 use serde::Deserialize;
-use std::{collections::HashMap, error::Error, fs};
+use std::{collections::HashMap, error::Error};
 use tracing::{info, instrument, Level};
 use tracing_subscriber::{self, EnvFilter};
 use wasm_engine::wrapper::{config::EnvConfig, environment::Environment};
 use wasmtime::Module;
 mod function_store;
-use function_store::local_store::{FunctionEntry, FunctionStore};
+use function_store::local_store::FunctionStore;
 use function_store::module_store::ModuleStore;
 
 lazy_static::lazy_static! {
@@ -35,8 +35,6 @@ struct Args {
     preload_apps: Option<String>,
 }
 
-const PROJECT_DIR: &'static str = env!("WASM_ENGINE_PROJECT_DIR");
-
 #[instrument]
 #[tokio::main]
 async fn main() -> Result<(), Box<dyn Error + Send + Sync + 'static>> {