diff --git a/src/fmt/pl.c b/src/fmt/pl.c
index ea3483046..72ebfa4e8 100644
--- a/src/fmt/pl.c
+++ b/src/fmt/pl.c
@@ -32,7 +32,6 @@ static void pl_alloc_destruct(void *arg)
 /**
  * Allocate a pointer-length object from a NULL-terminated string
  *
- * @param pl  Pointer-length object to be initialised
  * @param str NULL-terminated string
  *
  * @return Allocated Pointer-length object or NULL