diff --git a/lib/ast.js b/lib/ast.js
index b8562233..16cfc387 100644
--- a/lib/ast.js
+++ b/lib/ast.js
@@ -399,7 +399,6 @@ var AST_ArrowParametersOrSeq = DEFNODE("ArrowParametersOrSeq", "expressions", {
                     names: ex.elements.map(to_fun_args)
                 });
             } else {
-                console.log(ex.__proto__.TYPE)
                 croak("Invalid function parameter", ex.start.line, ex.start.col);
             }
         });