diff --git a/pymbolic/primitives.py b/pymbolic/primitives.py
index b87eaa05..0df83531 100644
--- a/pymbolic/primitives.py
+++ b/pymbolic/primitives.py
@@ -926,9 +926,11 @@ def _augment_expression_dataclass(
 
     from pytools.codegen import remove_common_indentation
     augment_code = remove_common_indentation(
-        f"""
+        """
         from warnings import warn
         from dataclasses import is_dataclass
+        """
+        + (f"""
 
 
         def {cls.__name__}_eq(self, other):
@@ -951,6 +953,8 @@ def {cls.__name__}_eq(self, other):
             return self.__class__ == other.__class__ and {comparison}
 
         cls.__eq__ = {cls.__name__}_eq
+        """ if generate_hash else "")
+        + (f"""
 
 
         def {cls.__name__}_hash(self):
@@ -973,8 +977,9 @@ def {cls.__name__}_hash(self):
             object.__setattr__(self, "_hash_value", hash_val)
             return hash_val
 
-        if {generate_hash}:
-            cls.__hash__ = {cls.__name__}_hash
+        cls.__hash__ = {cls.__name__}_hash
+        """ if generate_hash else "")
+        + f"""
 
 
         def {cls.__name__}_init_arg_names(self):