diff --git a/src/kdtree/mod.rs b/src/kdtree/mod.rs
index 2987a78..eb53f62 100644
--- a/src/kdtree/mod.rs
+++ b/src/kdtree/mod.rs
@@ -54,7 +54,7 @@ impl<KdtreePoint: KdtreePointTrait> Kdtree<KdtreePoint> {
     /// Can be used if you are sure that the tree is degenerated or if you will never again insert the nodes into the tree.
     pub fn gather_points_and_rebuild(&mut self) {
         let mut points : Vec<KdtreePoint> = vec![];
-        let nodes = self.gather_points(0,&mut points);
+        self.gather_points(0,&mut points);
 
         self.rebuild_tree(&mut points);
     }
diff --git a/tests/integration_tests.rs b/tests/integration_tests.rs
index 5a9a248..0d085c3 100644
--- a/tests/integration_tests.rs
+++ b/tests/integration_tests.rs
@@ -10,10 +10,6 @@ fn gen_random() -> f64 {
     rand::thread_rng().gen_range(0., 10000.)
 }
 
-fn gen_random_usize( max_value : usize) -> usize {
-    rand::thread_rng().gen_range(0usize, max_value)
-}
-
 fn find_nn_with_linear_search<'a>(points : &'a Vec<Point3WithId>, find_for : Point3WithId) -> &Point3WithId {
     let distance_fun = kdtree::kdtree::distance::squared_euclidean;