diff --git a/src/dem.rs b/src/dem.rs
index 16ed4e9..f4584eb 100644
--- a/src/dem.rs
+++ b/src/dem.rs
@@ -1,13 +1,8 @@
 
 
 use std::borrow::{Borrow, BorrowMut};
-use std::cell::RefCell;
 use std::collections::HashMap;
-use std::hash::Hash;
-use std::path::Path;
-use std::rc::Rc;
-use std::sync::{Arc, RwLock};
-use tokio::sync::{Mutex, OnceCell};
+use std::sync::{Arc};
 
 use gdal::errors::GdalError;
 use gdal::Dataset;
@@ -95,16 +90,6 @@ pub async fn elevation_from_coordinates(dsc: DSC, lat: f64, lon: f64) -> f64 {
     println!("file for {lat} {lon} is {full_filename}");
 
 
-    //#let ds = dsc.lock().unwrap().get_dataset_for_filename(full_filename);
-    //let ds: &Dataset;
-    //{
-    //    //let dd = dsc.lock().await.get_dataset_for_filename(full_filename).clone();
-    //    let dd = dsc.lock().await.db.get(&full_filename).unwrap();
-    //    ds = dd;
-    //    //ds = cache.await.get_dataset_for_filename(full_filename);
-    //}
-    //let x = dsc.get_dataset_for_filename(full_filename);
-
     if !dsc.contains_key(&full_filename) {
         println!(">>> WILL GET {full_filename} because not in cache!");
         let ds = Arc::new(MyDataset{ds:Dataset::open(full_filename.clone()).unwrap()});
@@ -114,10 +99,6 @@ pub async fn elevation_from_coordinates(dsc: DSC, lat: f64, lon: f64) -> f64 {
     let ds = &dsc.get(&full_filename).await.unwrap().ds;
     
 
-    //let ds = dsc.get_dataset_for_filename(full_filename);
-
-
-    //let ds = Dataset::open(full_filename).unwrap();
     println!("This {} is in '{}' and has {} bands.", ds.driver().long_name(), ds.spatial_ref().unwrap().name().unwrap(), ds.raster_count());
     println!("PRojection: {}", ds.projection());
 
diff --git a/src/main.rs b/src/main.rs
index 379e5fa..b9c47a6 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,17 +1,15 @@
 
 mod dem;
-use std::{borrow::Borrow, collections::HashMap, io::{self, BufRead}, sync::{Arc, RwLock}};
-use tokio::sync::Mutex;
-use tracing_subscriber::registry::Data;
 
 
+use std::sync::Arc;
+
 use axum_macros::debug_handler;
 use axum::{
-    body::Bytes, extract::{Path, State}, http::StatusCode, routing::{get, post}, Json, Router
+    extract::{Path, State}, http::StatusCode, routing::{get}, Router
 };
-use dem::{DatasetCache, MyDataset};
+use dem::{MyDataset};
 
-use gdal::Dataset;
 use moka::future::Cache;
 
 
@@ -54,14 +52,9 @@ async fn root() -> &'static str {
 }
 
 
-//async fn get_elevation(State(data_set_cache): State<Arc<RwLock<DatasetCache>>>, Path((lat, lon)): Path<(f64, f64)>) -> String{
 #[debug_handler]
 async fn get_elevation(State(shared): State<DSC>, Path((lat, lon)): Path<(f64, f64)>) -> String{
 
-//   let x = AppState::default();
- //   x.db.get("hello");
-
-
     let ele = dem::elevation_from_coordinates(shared, lat, lon);
     let myele = ele.await;
     format!("{lat} {lon} {myele}")