Remove the unused CommandError::Undefined variant

The CommandError::Undefined variant has been refactored into
Error::UnexpectedError and CommunicationError::NotConnected and is
therefore no longer needed.

2 files changed, 1 insertions, 3 deletions

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1856336..a4df5c6 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -14,6 +14,7 @@
     `CommandError::Unknown` variant to `Error::Unknown`.
   - Return `CommunicationError::NotConnected` instead of
     `CommandError::Undefined` from the connect functions.
+  - Remove the `CommandError::Undefined` variant.
 
 # v0.3.4 (2019-01-20)
 - Fix authentication methods that assumed that `char` is signed.
diff --git a/src/error.rs b/src/error.rs
index b27124c..cde9a34 100644
--- a/src/error.rs
+++ b/src/error.rs
@@ -111,8 +111,6 @@ pub enum CommandError {
     UnknownCommand,
     /// AES decryption failed.
     AesDecryptionFailed,
-    /// An unspecified error occurred.
-    Undefined,
 }
 
 impl CommandError {
@@ -151,7 +149,6 @@ impl fmt::Display for CommandError {
             CommandError::NotSupported => "This command is not supported by this device",
             CommandError::UnknownCommand => "This command is unknown",
             CommandError::AesDecryptionFailed => "AES decryption failed",
-            CommandError::Undefined => "An unspecified error occurred",
         })
     }
 }