diff --git a/src/protocol/inputsource.rs b/src/protocol/inputsource.rs
index 1442d6452d2892b47b7b5d09b2f72b3bbcf9d591..2a12406576d403fccc1a83a713ac1af31e32dd04 100644
--- a/src/protocol/inputsource.rs
+++ b/src/protocol/inputsource.rs
@@ -178,10 +178,6 @@ impl fmt::Display for InputPosition {
     }
 }
 
-pub trait SyntaxElement {
-    fn position(&self) -> InputPosition;
-}
-
 #[derive(Debug)]
 pub enum ParseErrorType {
     Info,