diff --git a/btf_loader.c b/btf_loader.c
index c79db40..171786a 100644
--- a/btf_loader.c
+++ b/btf_loader.c
@@ -308,7 +308,7 @@ static int create_new_enumeration(struct cu *cu, const struct btf_type *tp, uint
 
 	return 0;
 out_free:
-	enumeration__delete(enumeration, cu);
+	enumeration__delete(enumeration);
 	return -ENOMEM;
 }
 
diff --git a/ctf_loader.c b/ctf_loader.c
index 6a68029..e2758dc 100644
--- a/ctf_loader.c
+++ b/ctf_loader.c
@@ -408,7 +408,7 @@ static int create_new_enumeration(struct ctf *ctf, void *ptr,
 
 	return (vlen * sizeof(*ep));
 out_free:
-	enumeration__delete(enumeration, ctf->priv);
+	enumeration__delete(enumeration);
 	return -ENOMEM;
 }
 
diff --git a/dwarf_loader.c b/dwarf_loader.c
index 3c4a950..b172fe4 100644
--- a/dwarf_loader.c
+++ b/dwarf_loader.c
@@ -1417,7 +1417,7 @@ static struct tag *die__create_new_enumeration(Dwarf_Die *die, struct cu *cu, st
 out:
 	return &enumeration->namespace.tag;
 out_delete:
-	enumeration__delete(enumeration, cu);
+	enumeration__delete(enumeration);
 	return NULL;
 }
 
diff --git a/dwarves.c b/dwarves.c
index 786123d..d1bf162 100644
--- a/dwarves.c
+++ b/dwarves.c
@@ -126,7 +126,7 @@ void tag__delete(struct tag *tag, struct cu *cu)
 	case DW_TAG_structure_type:
 		class__delete(tag__class(tag));		break;
 	case DW_TAG_enumeration_type:
-		enumeration__delete(tag__type(tag), cu);	break;
+		enumeration__delete(tag__type(tag));	break;
 	case DW_TAG_subroutine_type:
 		ftype__delete(tag__ftype(tag), cu);		break;
 	case DW_TAG_subprogram:
@@ -1129,12 +1129,12 @@ void type__delete(struct type *type)
 	free(type);
 }
 
-static void enumerator__delete(struct enumerator *enumerator, struct cu *cu)
+static void enumerator__delete(struct enumerator *enumerator)
 {
 	free(enumerator);
 }
 
-void enumeration__delete(struct type *type, struct cu *cu)
+void enumeration__delete(struct type *type)
 {
 	struct enumerator *pos, *n;
 
@@ -1143,7 +1143,7 @@ void enumeration__delete(struct type *type, struct cu *cu)
 
 	type__for_each_enumerator_safe_reverse(type, pos, n) {
 		list_del_init(&pos->tag.node);
-		enumerator__delete(pos, cu);
+		enumerator__delete(pos);
 	}
 
 	free(type);
diff --git a/dwarves.h b/dwarves.h
index d960668..13564ae 100644
--- a/dwarves.h
+++ b/dwarves.h
@@ -1284,7 +1284,7 @@ static inline const char *enumerator__name(const struct enumerator *enumerator)
 	return enumerator->name;
 }
 
-void enumeration__delete(struct type *type, struct cu *cu);
+void enumeration__delete(struct type *type);
 void enumeration__add(struct type *type, struct enumerator *enumerator);
 size_t enumeration__fprintf(const struct tag *tag_enum,
 			    const struct conf_fprintf *conf, FILE *fp);