diff --git a/src/parser/rules.rs b/src/parser/rules.rs
index 25b396d..364e07c 100644
--- a/src/parser/rules.rs
+++ b/src/parser/rules.rs
@@ -1,8 +1,23 @@
+/**
+ * Copyright 2020 Garrit Franke
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 use super::node_type::Statement;
 use super::node_type::*;
 use super::parser::Parser;
 use crate::lexer::Keyword;
-use crate::lexer::{Token, TokenKind, Value};
+use crate::lexer::{TokenKind, Value};
 use std::convert::TryFrom;
 
 impl Parser {
@@ -113,7 +128,7 @@ impl Parser {
             match &next.kind {
                 TokenKind::BraceClose => break,
                 TokenKind::Comma => {
-                    self.next();
+                    let _ = self.next();
                     continue;
                 }
                 TokenKind::Identifier(_) | TokenKind::Literal(_) => {
@@ -207,7 +222,7 @@ impl Parser {
 
         match self.peek()? {
             tok if tok.kind == TokenKind::Keyword(Keyword::Else) => {
-                self.next();
+                let _ = self.next();
 
                 let peeked = self.peek()?;