diff --git a/src/cmd/source_file.rs b/src/cmd/source_file.rs
index 68c3578..0642900 100644
--- a/src/cmd/source_file.rs
+++ b/src/cmd/source_file.rs
@@ -1,13 +1,11 @@
-use std::sync::Arc;
-
 use crate::{
     error::{CommandError, to_shell_err},
-    globals::{get_pwd, get_vfs, print_to_console, set_pwd},
+    globals::{get_pwd, print_to_console, set_pwd},
 };
 use nu_engine::{CallExt, get_eval_block_with_early_return};
 use nu_parser::parse;
 use nu_protocol::{
-    Category, PipelineData, ShellError, Signature, Span, SyntaxShape, Type, Value,
+    Category, PipelineData, ShellError, Signature, SyntaxShape, Type,
     engine::{Command, EngineState, Stack, StateWorkingSet},
 };
 
@@ -77,7 +75,6 @@ pub fn eval(
     let start_offset = working_set.next_span_start();
     let _ = working_set.add_file(filename.into(), contents.as_bytes());
 
-    // we dont need the block here just the delta
     let block = parse(&mut working_set, Some(filename), contents.as_bytes(), false);
 
     if let Some(err) = working_set.parse_errors.into_iter().next() {
diff --git a/www/src/worker.ts b/www/src/worker.ts
index f8750c4..3540354 100644
--- a/www/src/worker.ts
+++ b/www/src/worker.ts
@@ -11,13 +11,7 @@ import init, {
 
 // Initialize WASM
 await init();
-try {
-  await init_engine();
-} catch (error) {
-  console.error(error);
-}
 
-// Setup Callbacks to proxy messages back to Main Thread
 register_console_callback((msg: string, isCmd: boolean) => {
   self.postMessage({ type: "console", payload: { msg, isCmd } });
 });
@@ -26,7 +20,12 @@ register_task_count_callback((count: number) => {
   self.postMessage({ type: "task_count", payload: count });
 });
 
-// Handle messages from Main Thread
+try {
+  await init_engine();
+} catch (error) {
+  console.error(error);
+}
+
 self.onmessage = async (e) => {
   const { id, type, payload } = e.data;
 
@@ -51,7 +50,7 @@ self.onmessage = async (e) => {
         result = get_pwd_string();
         break;
       default:
-        throw new Error(`Unknown message type: ${type}`);
+        throw new Error(`unknown message type: ${type}`);
     }
     self.postMessage({ id, type: `${type}_result`, payload: result });
   } catch (err) {