diff --git a/amaranth/hdl/ast.py b/amaranth/hdl/ast.py
index 3357a4a..8f65f1b 100644
--- a/amaranth/hdl/ast.py
+++ b/amaranth/hdl/ast.py
@@ -572,8 +572,6 @@ class Value(metaclass=ABCMeta):
     def _rhs_signals(self):
         pass # :nocov:
 
-    __hash__ = None
-
 
 @final
 class Const(Value):