diff --git a/src/test/run-pass/hashmap-memory.rs b/src/test/run-pass/hashmap-memory.rs
index 244198f9401..3414dc05ae1 100644
--- a/src/test/run-pass/hashmap-memory.rs
+++ b/src/test/run-pass/hashmap-memory.rs
@@ -103,6 +103,6 @@ mod map_reduce {
     }
 }
 
-fn main(vec[str] argv) {
+fn main() {
     map_reduce::map_reduce(["../src/test/run-pass/hashmap-memory.rs"]);
 }