diff --git a/src/libsyntax_pos/symbol.rs b/src/libsyntax_pos/symbol.rs
index 8e1eb7366d9c..0d11a4c426aa 100644
--- a/src/libsyntax_pos/symbol.rs
+++ b/src/libsyntax_pos/symbol.rs
@@ -1079,7 +1079,6 @@ impl Ident {
     }
 }
 
-// If an interner exists, return it. Otherwise, prepare a fresh one.
 #[inline]
 fn with_interner<T, F: FnOnce(&mut Interner) -> T>(f: F) -> T {
     GLOBALS.with(|globals| f(&mut *globals.symbol_interner.lock()))