diff --git a/library/OAuth1.php b/library/OAuth1.php
index a2097be064..c537f2b252 100644
--- a/library/OAuth1.php
+++ b/library/OAuth1.php
@@ -3,10 +3,8 @@
 
 /* Generic exception class
  */
-if (!class_exists('OAuthException')) {
-	class OAuthException extends Exception {
-		// pass
-	}
+class OAuthException extends Exception {
+  // pass
 }
 
 class OAuthConsumer {