diff --git a/core/src/core/block.rs b/core/src/core/block.rs
index 7c8057532..6a5442e98 100644
--- a/core/src/core/block.rs
+++ b/core/src/core/block.rs
@@ -1065,7 +1065,7 @@ mod test {
 		};
 		assert_eq!(
 			vec.len(),
-			target_len,
+			target_len
 		);
 	}
 
@@ -1082,7 +1082,7 @@ mod test {
 		};
 		assert_eq!(
 			vec.len(),
-			target_len,
+			target_len
 		);
 	}
 
@@ -1098,7 +1098,7 @@ mod test {
 		};
 		assert_eq!(
 			vec.len(),
-			target_len,
+			target_len
 		);
 	}
 
@@ -1115,7 +1115,7 @@ mod test {
 		};
 		assert_eq!(
 			vec.len(),
-			target_len,
+			target_len
 		);
 	}
 
@@ -1141,7 +1141,7 @@ mod test {
 		};
 		assert_eq!(
 			vec.len(),
-			target_len,
+			target_len
 		);
 	}
 
@@ -1167,7 +1167,7 @@ mod test {
 		};
 		assert_eq!(
 			vec.len(),
-			target_len,
+			target_len
 		);
 	}
 
diff --git a/core/src/core/mod.rs b/core/src/core/mod.rs
index 8d1c72660..b54fb3c00 100644
--- a/core/src/core/mod.rs
+++ b/core/src/core/mod.rs
@@ -269,7 +269,7 @@ mod test {
 		};
 		assert_eq!(
 			vec.len(),
-			target_len,
+			target_len
 		);
 	}
 
diff --git a/core/src/core/pmmr.rs b/core/src/core/pmmr.rs
index 1a4b29214..4ebce02d5 100644
--- a/core/src/core/pmmr.rs
+++ b/core/src/core/pmmr.rs
@@ -50,7 +50,7 @@ use util::LOGGER;
 pub trait Backend<T> where
 	T:PMMRable {
 	/// Append the provided Hashes to the backend storage, and optionally an associated
-	/// data element to flatfile storage (for leaf nodes only). The position of the 
+	/// data element to flatfile storage (for leaf nodes only). The position of the
 	/// first element of the Vec in the MMR is provided to help the implementation.
 	fn append(&mut self, position: u64, data: Vec<(Hash, Option<T>)>) -> Result<(), String>;
 
@@ -60,7 +60,7 @@ pub trait Backend<T> where
 	/// occurred (see remove).
 	fn rewind(&mut self, position: u64, index: u32) -> Result<(), String>;
 
-	/// Get a Hash/Element by insertion position. If include_data is true, will 
+	/// Get a Hash/Element by insertion position. If include_data is true, will
 	/// also return the associated data element
 	fn get(&self, position: u64, include_data: bool) -> Option<(Hash, Option<T>)>;
 
@@ -444,7 +444,7 @@ impl PruneList {
 	/// given leaf. Helpful if, for instance, data for each leaf is being stored
 	/// separately in a continuous flat-file
 	pub fn get_leaf_shift(&self, pos: u64) -> Option<u64> {
-		
+
 		// get the position where the node at pos would fit in the pruned list, if
 		// it's already pruned, nothing to skip
 		match self.pruned_pos(pos) {
@@ -739,7 +739,7 @@ mod test {
 		assert_eq!(n_leaves(5),4);
 		assert_eq!(n_leaves(8),5);
 		assert_eq!(n_leaves(9),6);
-		
+
 	}
 
 	#[test]
@@ -851,7 +851,7 @@ mod test {
 		let node_hash = elems[0].hash();
 		assert_eq!(
 			pmmr.root(),
-			node_hash,
+			node_hash
 		);
 		assert_eq!(pmmr.unpruned_size(), 1);
 		pmmr.dump(false);
diff --git a/keychain/src/keychain.rs b/keychain/src/keychain.rs
index 39a5e622e..49136fde7 100644
--- a/keychain/src/keychain.rs
+++ b/keychain/src/keychain.rs
@@ -247,7 +247,7 @@ impl Keychain {
 
 	pub fn verify_range_proof(
 		secp: &Secp256k1,
-		commit: Commitment, 
+		commit: Commitment,
 		proof: RangeProof) -> Result<(), secp::Error> {
 			let result = match USE_BULLET_PROOFS {
 				true => secp.verify_bullet_proof(commit, proof),
@@ -656,7 +656,7 @@ mod test {
 				.add_blinding_factor(BlindingFactor::from_secret_key(skey1))
 				.add_blinding_factor(BlindingFactor::from_secret_key(skey2))
 			).unwrap(),
-			BlindingFactor::from_secret_key(skey3),
+			BlindingFactor::from_secret_key(skey3)
 		);
 	}