diff --git a/ctracer.c b/ctracer.c
index 62d759f..3636297 100644
--- a/ctracer.c
+++ b/ctracer.c
@@ -352,7 +352,7 @@ static struct class *class__clone_base_types(const struct tag *tag,
 {
 	struct class *class = tag__class(tag);
 	struct class_member *pos, *next;
-	struct class *clone = class__clone(class, new_class_name, cu);
+	struct class *clone = class__clone(class, new_class_name);
 
 	if (clone == NULL)
 		return NULL;
diff --git a/dwarves.c b/dwarves.c
index 8581268..5ca6a54 100644
--- a/dwarves.c
+++ b/dwarves.c
@@ -1198,8 +1198,7 @@ static int type__clone_members(struct type *type, const struct type *from)
 	return 0;
 }
 
-struct class *class__clone(const struct class *from,
-			   const char *new_class_name, struct cu *cu)
+struct class *class__clone(const struct class *from, const char *new_class_name)
 {
 	struct class *class = malloc(sizeof(*class));
 
diff --git a/dwarves.h b/dwarves.h
index b7da064..23c7229 100644
--- a/dwarves.h
+++ b/dwarves.h
@@ -1114,8 +1114,7 @@ static inline struct tag *class__tag(const struct class *cls)
 	return (struct tag *)cls;
 }
 
-struct class *class__clone(const struct class *from,
-			   const char *new_class_name, struct cu *cu);
+struct class *class__clone(const struct class *from, const char *new_class_name);
 void class__delete(struct class *cls);
 
 static inline struct list_head *class__tags(struct class *cls)
diff --git a/pahole.c b/pahole.c
index 5b19b00..2be830c 100644
--- a/pahole.c
+++ b/pahole.c
@@ -352,7 +352,7 @@ static int class__packable(struct class *class, struct cu *cu)
 	if (class->nr_holes == 0 && class->nr_bit_holes == 0)
 		return 0;
 
-	clone = class__clone(class, NULL, cu);
+	clone = class__clone(class, NULL);
 	if (clone == NULL)
 		return 0;
 	class__reorganize(clone, cu, 0, stdout);
@@ -1363,7 +1363,7 @@ static void do_reorg(struct tag *class, struct cu *cu)
 	int savings;
 	const uint8_t reorg_verbose =
 			show_reorg_steps ? 2 : global_verbose;
-	struct class *clone = class__clone(tag__class(class), NULL, cu);
+	struct class *clone = class__clone(tag__class(class), NULL);
 	if (clone == NULL) {
 		fprintf(stderr, "pahole: out of memory!\n");
 		exit(EXIT_FAILURE);