diff --git a/sphinx/builders/latex/transforms.py b/sphinx/builders/latex/transforms.py
index 402cc3fe5..b8f503932 100644
--- a/sphinx/builders/latex/transforms.py
+++ b/sphinx/builders/latex/transforms.py
@@ -44,7 +44,7 @@ class SubstitutionDefinitionsRemover(SphinxPostTransform):
     default_priority = Substitutions.default_priority + 1
     builders = ('latex',)
 
-    def apply(self, **kwargs: Any) -> None:
+    def run(self, **kwargs: Any) -> None:
         for node in self.document.traverse(nodes.substitution_definition):
             node.parent.remove(node)