diff --git a/src/bellos.rs b/src/bellos.rs
index dfe751b..b449924 100644
--- a/src/bellos.rs
+++ b/src/bellos.rs
@@ -16,17 +16,14 @@
 #[allow(dead_code)]
 pub mod Interpreter {
     mod interpreter;
-    pub use self::interpreter::*;
 }
 
 pub mod Lexer {
     mod lexer;
-    pub use self::lexer::*;
 }
 
 pub mod Parser {
     mod parser;
-    pub use self::parser::*;
 }
 pub mod utilities;
 use std::env;
diff --git a/src/utilities.rs b/src/utilities.rs
index 298af62..6058066 100644
--- a/src/utilities.rs
+++ b/src/utilities.rs
@@ -13,6 +13,7 @@
 // You should have received a copy of the GNU General Public License
 // along with this program.  If not, see <https://www.gnu.org/licenses/>.
 
+use super::utilities::*;
 use std::fs::File;
 use std::io::{self, BufRead, Write};
 
@@ -145,11 +146,3 @@ fn run_interactive_mode(interpreter: &mut Interpreter) -> Result<(), String> {
         }
     }
 }
-
-impl Iterator for Lexer {
-    type Item = Token;
-
-    fn next(&mut self) -> Option<Self::Item> {
-        self.next_token()
-    }
-}