diff --git a/examples/aes_gcm.rs b/examples/aes_gcm.rs
deleted file mode 100644
index 5ba12fdb..00000000
--- a/examples/aes_gcm.rs
+++ /dev/null
@@ -1,82 +0,0 @@
-//! This code example demonstrates the key feature of GCM cipher mode over CTR mode, which is
-//! authentication.
-
-#![allow(incomplete_features)]
-#![feature(generic_const_exprs)]
-
-use std::{fmt::Write, str};
-
-use rand::{thread_rng, Rng};
-use ronkathon::encryption::symmetric::{
-  aes::{Key, AES},
-  modes::gcm::GCM,
-};
-
-/// Encode bytes to hex
-pub fn encode_hex(bytes: &[u8]) -> String {
-  let mut s = String::with_capacity(bytes.len() * 2);
-  for &b in bytes {
-    write!(&mut s, "{:02x}", b).unwrap();
-  }
-  s
-}
-
-fn ideal_world(msg: &[u8]){
-  println!("---Ideal World!---\n");
-
-  let mut rng = thread_rng();
-  let key = Key::<128>::new(rng.gen());
-  let iv: [u8; 12] = rng.gen();
-  let gcm = GCM::<AES<128>>::new(key);
-
-  let (enc, tag1) = gcm.encrypt(&iv, msg, b"").unwrap();
-
-  println!("msg:\t{}(={})", encode_hex(msg), str::from_utf8(msg).unwrap());
-
-  println!("enc:\t{}", encode_hex(&enc));
-
-  println!("tag1:\t{}", encode_hex(&tag1));
-
-  let (dec, tag2) = gcm.decrypt(&iv, &enc, b"").unwrap();
-  println!("dec:\t{}(={})", encode_hex(&dec), str::from_utf8(&dec).unwrap());
-
-  assert_eq!(tag1, tag2);
-
-  println!("tag2:\t{}", encode_hex(&tag2));
-}
-fn real_world(msg: &[u8]) {
-  println!("\n---Real World!---\n");
-
-  let mut rng = thread_rng();
-  let key = Key::<128>::new(rng.gen());
-  let iv: [u8; 12] = rng.gen();
-  let gcm = GCM::<AES<128>>::new(key);
-
-  let (mut enc, tag1) = gcm.encrypt(&iv, msg, b"").unwrap();
-
-  println!("msg:\t{}(={})", encode_hex(msg), str::from_utf8(msg).unwrap());
-
-  println!("enc:\t{}", encode_hex(&enc));
-  println!("enc_tag:{}", encode_hex(&tag1));
-
-  enc[3] += 1;
-  enc[4] += 1;
-  enc[6] += 1;
-
-  println!("bad enc:{}", encode_hex(&enc));
-
-  let (dec, tag2) = gcm.decrypt(&iv, &enc, b"").unwrap();
-  println!("dec:\t{}(={})", encode_hex(&dec), str::from_utf8(&dec).unwrap());
-  println!("dec_tag:{}", encode_hex(&tag2)); 
-
-  assert!(tag1 != tag2);
-  println!("The tags are not equal!");
-}
-
-fn main(){
-    let message = b"Hello World!";
-
-    ideal_world(message);
-
-    real_world(message);
-}
diff --git a/src/hashes/mod.rs b/src/hashes/mod.rs
index b3267d4e..b94c7ab0 100644
--- a/src/hashes/mod.rs
+++ b/src/hashes/mod.rs
@@ -5,9 +5,9 @@
 #![doc = include_str!("./README.md")]
 pub mod sha256;
 use crate::Field;
-pub mod poseidon;
-pub mod ghash;
 pub mod constants;
+pub mod ghash;
+pub mod poseidon;
 
 /// Sponge trait defining absorb and squeeze behavior of sponge based hash function.
 pub trait Sponge<F: Field> {