diff --git a/rusqlite-macros/src/lib.rs b/rusqlite-macros/src/lib.rs
index 0e951d4..93f2e98 100644
--- a/rusqlite-macros/src/lib.rs
+++ b/rusqlite-macros/src/lib.rs
@@ -20,7 +20,7 @@ type Result<T> = std::result::Result<T, String>;
 
 fn try_bind(input: TokenStream) -> Result<TokenStream> {
     let (stmt, literal) = {
-        let mut iter = input.clone().into_iter();
+        let mut iter = input.into_iter();
         let stmt = iter.next().unwrap();
         let literal = iter.next().unwrap();
         assert!(iter.next().is_none());