diff --git a/src/js/quickjs.c b/src/js/quickjs.c
index 34036249e..b4b2ab40b 100644
--- a/src/js/quickjs.c
+++ b/src/js/quickjs.c
@@ -157,8 +157,6 @@ quickjs_init(struct module *module)
 	map_attrs = attr_create_new_attrs_map();
 	map_attributes = attr_create_new_attributes_map();
 	map_rev_attributes = attr_create_new_attributes_map_rev();
-	map_collections = attr_create_new_collections_map();
-	map_rev_collections = attr_create_new_collections_map_rev();
 	map_doctypes = attr_create_new_doctypes_map();
 	map_elements = attr_create_new_elements_map();
 	map_privates = attr_create_new_privates_map_void();
@@ -194,8 +192,6 @@ quickjs_done(struct module *xxx)
 	attr_delete_map(map_attrs);
 	attr_delete_map(map_attributes);
 	attr_delete_map_rev(map_rev_attributes);
-	attr_delete_map(map_collections);
-	attr_delete_map_rev(map_rev_collections);
 	attr_delete_map(map_doctypes);
 	attr_delete_map(map_elements);
 	map_elements = NULL;
diff --git a/src/js/quickjs/collection.c b/src/js/quickjs/collection.c
index 7238749ff..a05231cf2 100644
--- a/src/js/quickjs/collection.c
+++ b/src/js/quickjs/collection.c
@@ -25,9 +25,6 @@
 
 #define countof(x) (sizeof(x) / sizeof((x)[0]))
 
-void *map_collections;
-void *map_rev_collections;
-
 JSClassID js_htmlCollection_class_id;
 
 struct js_col {
diff --git a/src/js/quickjs/mapa.h b/src/js/quickjs/mapa.h
index e8d3780d3..5c339b5ae 100644
--- a/src/js/quickjs/mapa.h
+++ b/src/js/quickjs/mapa.h
@@ -12,8 +12,6 @@ struct Xhr;
 extern void *map_attrs;
 extern void *map_attributes;
 extern void *map_rev_attributes;
-extern void *map_collections;
-extern void *map_rev_collections;
 extern void *map_doctypes;
 extern void *map_elements;
 extern void *map_privates;