diff --git a/src/string.rs b/src/string.rs
index ac76f39..3756211 100644
--- a/src/string.rs
+++ b/src/string.rs
@@ -319,7 +319,7 @@ impl ToString for CFString {
 
 impl fmt::Show for CFString {
     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
-        self.to_string().fmt(f)
+        write!(f, "{}", self.to_string())
     }
 }
 
diff --git a/src/url.rs b/src/url.rs
index cfe6e2f..d2dd452 100644
--- a/src/url.rs
+++ b/src/url.rs
@@ -72,8 +72,7 @@ impl fmt::Show for CFURL {
     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
         unsafe {
             let string: CFString = TCFType::wrap_under_get_rule(CFURLGetString(self.obj));
-            let s = string.to_string();
-            s.fmt(f)
+            write!(f, "{}", string.to_string())
         }
     }
 }
@@ -174,7 +173,7 @@ extern {
     //fn CFURLHasDirectoryPath
 
     /* Converting URLs to Other Representations */
-    //fn CFURLCreateData(allocator: CFAllocatorRef, url: CFURLRef, 
+    //fn CFURLCreateData(allocator: CFAllocatorRef, url: CFURLRef,
     //                   encoding: CFStringEncoding, escapeWhitespace: bool) -> CFDataRef;
     //fn CFURLCreateStringByAddingPercentEscapes
     //fn CFURLCreateStringByReplacingPercentEscapes