diff --git a/Cargo.toml b/Cargo.toml
index c848f37344c..e06b115f443 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -167,6 +167,7 @@ doc_lazy_continuation = { level = "allow", priority = 1 }
 needless_return = { level = "allow", priority = 1 }
 doc_overindented_list_items = { level = "allow", priority = 1 }
 needless_range_loop = { level = "allow", priority = 1 }
+doc_paragraphs_missing_punctuation = { level = "allow", priority = 1 }
 # complexity-lints
 precedence = { level = "allow", priority = 1 }
 manual_div_ceil = { level = "allow", priority = 1 }
diff --git a/src/data_structures/binary_search_tree.rs b/src/data_structures/binary_search_tree.rs
index 05e8614ea1a..5ff05f432ea 100644
--- a/src/data_structures/binary_search_tree.rs
+++ b/src/data_structures/binary_search_tree.rs
@@ -212,8 +212,8 @@ where
             None
         } else {
             let node = self.stack.pop().unwrap();
-            if node.right.is_some() {
-                self.stack.push(node.right.as_ref().unwrap().deref());
+            if let Some(right_node) = &node.right {
+                self.stack.push(right_node.deref());
                 self.stack_push_left();
             }
             node.value.as_ref()
diff --git a/src/lib.rs b/src/lib.rs
index 2267721cc11..c913a5b8714 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -19,22 +19,3 @@ pub mod searching;
 pub mod signal_analysis;
 pub mod sorting;
 pub mod string;
-
-#[cfg(test)]
-mod tests {
-    use super::sorting;
-    #[test]
-    fn quick_sort() {
-        //descending
-        let mut ve1 = vec![6, 5, 4, 3, 2, 1];
-        sorting::quick_sort(&mut ve1);
-
-        assert!(sorting::is_sorted(&ve1));
-
-        //pre-sorted
-        let mut ve2 = vec![1, 2, 3, 4, 5, 6];
-        sorting::quick_sort(&mut ve2);
-
-        assert!(sorting::is_sorted(&ve2));
-    }
-}