diff --git a/src/bin/bot.rs b/src/bin/bot.rs
index ef37068..752b9c6 100644
--- a/src/bin/bot.rs
+++ b/src/bin/bot.rs
@@ -4,7 +4,6 @@ extern crate regex;
 #[phase(plugin)]
 extern crate regex_macros;
 extern crate tox;
-extern crate debug;
 
 use tox::core::*;
 
diff --git a/src/core/mod.rs b/src/core/mod.rs
index 468e14e..52c145c 100644
--- a/src/core/mod.rs
+++ b/src/core/mod.rs
@@ -278,7 +278,7 @@ impl ToxOptions {
     /// Use a proxy
     pub fn proxy(mut self, addr: &str, port: u16) -> ToxOptions {
         if addr.len() >= 256 {
-            fail!("proxy address is too long");
+            panic!("proxy address is too long");
         }
 
         self.txo.proxy_address.as_mut_slice()