diff --git a/vyper/semantics/types/function.py b/vyper/semantics/types/function.py
index c71308e8fc..3eb024e5b1 100644
--- a/vyper/semantics/types/function.py
+++ b/vyper/semantics/types/function.py
@@ -44,14 +44,12 @@ class _FunctionArg:
 
 @dataclass
 class PositionalArg(_FunctionArg):
-    # unfolded ast
     ast_source: Optional[vy_ast.VyperNode] = None
 
 
 @dataclass
 class KeywordArg(_FunctionArg):
     default_value: vy_ast.VyperNode
-    # unfolded ast
     ast_source: Optional[vy_ast.VyperNode] = None