diff --git a/src/prelude.rs b/src/prelude.rs
index 61237be..c0692bc 100644
--- a/src/prelude.rs
+++ b/src/prelude.rs
@@ -1,7 +1,5 @@
 pub use core::prelude::v1::*;
 
-
-
 pub use alloc::string::{String, ToString};
 pub use alloc::vec::Vec;
 
@@ -9,5 +7,3 @@ pub use alloc::format;
 pub use alloc::vec;
 
 // Those are exported by default in the std prelude in Rust 2021
-
-
diff --git a/tests/common.rs b/tests/common.rs
index 6a578b9..37f521f 100644
--- a/tests/common.rs
+++ b/tests/common.rs
@@ -123,7 +123,6 @@ pub fn setup_proof_test_cases() -> Vec<ProofTestCases> {
                 .collect();
             let merkle_tree = MerkleTree::<Sha256>::from_leaves(&leaves);
 
-            
             ProofTestCases { merkle_tree, cases }
         })
         .collect()
diff --git a/tests/merkle_proof_test.rs b/tests/merkle_proof_test.rs
index 087e89a..87e86ee 100644
--- a/tests/merkle_proof_test.rs
+++ b/tests/merkle_proof_test.rs
@@ -173,7 +173,7 @@ pub mod to_bytes {
 }
 
 pub mod from_bytes {
-    
+
     use rs_merkle::{algorithms::Sha256, Error, MerkleProof};
 
     #[test]
diff --git a/tests/merkle_tree_test.rs b/tests/merkle_tree_test.rs
index e38caa0..e983fd6 100644
--- a/tests/merkle_tree_test.rs
+++ b/tests/merkle_tree_test.rs
@@ -197,7 +197,7 @@ pub mod commit {
 }
 
 pub mod rollback {
-    
+
     use rs_merkle::{algorithms::Sha256, Hasher, MerkleTree};
 
     #[test]