diff --git a/src/blockdata/transaction.rs b/src/blockdata/transaction.rs
index acf509874a..71e3009095 100644
--- a/src/blockdata/transaction.rs
+++ b/src/blockdata/transaction.rs
@@ -173,7 +173,7 @@ impl ::std::str::FromStr for OutPoint {
 }
 
 /// A transaction input, which defines old coins to be consumed
-#[derive(Clone, PartialEq, Eq, Debug, Hash)]
+#[derive(Clone, PartialEq, Eq, PartialOrd, Ord, Debug, Hash)]
 #[cfg_attr(feature = "serde", derive(Serialize, Deserialize))]
 pub struct TxIn {
     /// The reference to the previous output that is being used an an input
@@ -206,7 +206,7 @@ impl Default for TxIn {
 }
 
 /// A transaction output, which defines new coins to be created from old ones.
-#[derive(Clone, PartialEq, Eq, Debug, Hash)]
+#[derive(Clone, PartialEq, Eq, PartialOrd, Ord, Debug, Hash)]
 #[cfg_attr(feature = "serde", derive(Serialize, Deserialize))]
 pub struct TxOut {
     /// The value of the output, in satoshis
@@ -252,7 +252,7 @@ impl Default for TxOut {
 ///
 /// We therefore deviate from the spec by always using the Segwit witness encoding
 /// for 0-input transactions, which results in unambiguously parseable transactions.
-#[derive(Clone, PartialEq, Eq, Debug, Hash)]
+#[derive(Clone, PartialEq, Eq, PartialOrd, Ord, Debug, Hash)]
 #[cfg_attr(feature = "serde", derive(Serialize, Deserialize))]
 pub struct Transaction {
     /// The protocol version, is currently expected to be 1 or 2 (BIP 68).
diff --git a/src/consensus/encode.rs b/src/consensus/encode.rs
index 54c8366f90..9770ad77e7 100644
--- a/src/consensus/encode.rs
+++ b/src/consensus/encode.rs
@@ -118,8 +118,6 @@ impl error::Error for Error {
     }
 }
 
-#[doc(hidden)]
-
 #[doc(hidden)]
 impl From<io::Error> for Error {
     fn from(error: io::Error) -> Self {
diff --git a/src/util/base58.rs b/src/util/base58.rs
index 13949c55ee..97fdb045bf 100644
--- a/src/util/base58.rs
+++ b/src/util/base58.rs
@@ -21,7 +21,7 @@ use hashes::{sha256d, Hash};
 use util::endian;
 
 /// An error that might occur during base58 decoding
-#[derive(Debug, PartialEq, Eq, Clone)]
+#[derive(Debug, PartialEq, Eq, PartialOrd, Ord, Hash, Clone)]
 pub enum Error {
     /// Invalid character encountered
     BadByte(u8),