1 files changed, 4 insertions, 18 deletions
diff --git a/components/script/dom/bindings/codegen/CodegenRust.py b/components/script/dom/bindings/codegen/CodegenRust.py
index 3161d3754c9..24b034ad4cb 100644
--- a/components/script/dom/bindings/codegen/CodegenRust.py
+++ b/components/script/dom/bindings/codegen/CodegenRust.py
@@ -1983,23 +1983,6 @@ def getAllTypes(descriptors, dictionaries, callbacks):
             yield (t, None, None)
 
 
-def SortedTuples(l):
-    """
-    Sort a list of tuples based on the first item in the tuple
-    """
-    return sorted(l, key=operator.itemgetter(0))
-
-
-def SortedDictValues(d):
-    """
-    Returns a list of values from the dict sorted by key.
-    """
-    # Create a list of tuples containing key and value, sorted on key.
-    d = SortedTuples(d.items())
-    # We're only interested in the values.
-    return (i[1] for i in d)
-
-
 def UnionTypes(descriptors, dictionaries, callbacks, config):
     """
     Returns a CGList containing CGUnionStructs for every union.
@@ -2038,7 +2021,10 @@ def UnionTypes(descriptors, dictionaries, callbacks, config):
                 CGUnionConversionStruct(t, provider)
             ])
 
-    return CGImports(CGList(SortedDictValues(unionStructs), "\n\n"), [], [], imports, ignored_warnings=[])
+    # Sort unionStructs by key, retrieve value
+    unionStructs = (i[1] for i in sorted(unionStructs.items(), key=operator.itemgetter(0)))
+
+    return CGImports(CGList(unionStructs, "\n\n"), [], [], imports, ignored_warnings=[])
 
 
 class Argument():