diff --git a/lib/ast.js b/lib/ast.js
index 7ae3a114..5f34dc5b 100644
--- a/lib/ast.js
+++ b/lib/ast.js
@@ -1037,16 +1037,8 @@ var AST_SymbolConst = DEFNODE("SymbolConst", null, {
     $documentation: "A constant declaration"
 }, AST_SymbolDeclaration);
 
-var AST_SymbolFunarg = DEFNODE("SymbolFunarg", "default", {
+var AST_SymbolFunarg = DEFNODE("SymbolFunarg", null, {
     $documentation: "Symbol naming a function argument",
-    $propdoc: {
-        default: "[AST_Expression] The default for this parameter. For example, `= 6`"
-    },
-    _walk: function (visitor) {
-        return visitor._visit(this, function() {
-            if (this.default) this.default._walk(visitor);
-        });
-    }
 }, AST_SymbolVar);
 
 var AST_SymbolDefun = DEFNODE("SymbolDefun", null, {
diff --git a/lib/output.js b/lib/output.js
index 066c1432..0cb387ce 100644
--- a/lib/output.js
+++ b/lib/output.js
@@ -1292,7 +1292,7 @@ function OutputStream(options) {
     DEFPRINT(AST_Symbol, function (self, output) {
         self._do_print(output);
     });
-    DEFPRINT(AST_SymbolFunarg, function(self, output){
+    DEFPRINT(AST_SymbolDeclaration, function(self, output){
         self._do_print(output);
         if (self.default) {
             output.space();