diff --git a/src/authenticator_delegate.rs b/src/authenticator_delegate.rs
index 51650c4..e32f88e 100644
--- a/src/authenticator_delegate.rs
+++ b/src/authenticator_delegate.rs
@@ -1,6 +1,6 @@
 //! Module containing types related to delegates.
 
-use crate::error::{PollError, RefreshError};
+use crate::error::{RefreshError};
 
 use std::error::Error as StdError;
 use std::fmt;
@@ -43,27 +43,6 @@ impl fmt::Display for PollInformation {
     }
 }
 
-impl fmt::Display for PollError {
-    fn fmt(&self, f: &mut fmt::Formatter) -> Result<(), fmt::Error> {
-        match *self {
-            PollError::HttpError(ref err) => err.fmt(f),
-            PollError::Expired(ref date) => writeln!(f, "Authentication expired at {}", date),
-            PollError::AccessDenied => "Access denied by user".fmt(f),
-            PollError::TimedOut => "Timed out waiting for token".fmt(f),
-            PollError::Other(ref s) => format!("Unknown server error: {}", s).fmt(f),
-        }
-    }
-}
-
-impl StdError for PollError {
-    fn source(&self) -> Option<&(dyn StdError + 'static)> {
-        match *self {
-            PollError::HttpError(ref e) => Some(e),
-            _ => None,
-        }
-    }
-}
-
 /// A partially implemented trait to interact with the `Authenticator`
 ///
 /// The only method that needs to be implemented manually is `present_user_code(...)`,
diff --git a/src/error.rs b/src/error.rs
index 619b984..ae0fca8 100644
--- a/src/error.rs
+++ b/src/error.rs
@@ -46,6 +46,27 @@ pub enum PollError {
     Other(String),
 }
 
+impl fmt::Display for PollError {
+    fn fmt(&self, f: &mut fmt::Formatter) -> Result<(), fmt::Error> {
+        match *self {
+            PollError::HttpError(ref err) => err.fmt(f),
+            PollError::Expired(ref date) => writeln!(f, "Authentication expired at {}", date),
+            PollError::AccessDenied => "Access denied by user".fmt(f),
+            PollError::TimedOut => "Timed out waiting for token".fmt(f),
+            PollError::Other(ref s) => format!("Unknown server error: {}", s).fmt(f),
+        }
+    }
+}
+
+impl StdError for PollError {
+    fn source(&self) -> Option<&(dyn StdError + 'static)> {
+        match *self {
+            PollError::HttpError(ref e) => Some(e),
+            _ => None,
+        }
+    }
+}
+
 /// Encapsulates all possible results of the `token(...)` operation
 #[derive(Debug)]
 pub enum Error {