diff --git a/compiler/rustc_builtin_macros/src/format.rs b/compiler/rustc_builtin_macros/src/format.rs
index d3e8d854c7d..b15e2d084ef 100644
--- a/compiler/rustc_builtin_macros/src/format.rs
+++ b/compiler/rustc_builtin_macros/src/format.rs
@@ -448,7 +448,6 @@ pub fn make_format_args(
 
     if !unfinished_literal.is_empty() {
         template.push(FormatArgsPiece::Literal(Symbol::intern(&unfinished_literal)));
-        drop(unfinished_literal);
     }
 
     if !invalid_refs.is_empty() {