diff --git a/sumpy/expansion/__init__.py b/sumpy/expansion/__init__.py
index 87a842cdb2be8b2cb56f419c2995b02e5ea497ec..03c6d971169a244beeb22945372268fa13daa92f 100644
--- a/sumpy/expansion/__init__.py
+++ b/sumpy/expansion/__init__.py
@@ -81,9 +81,6 @@ class ExpansionBase:
     def is_complex_valued(self):
         return self.kernel.is_complex_valued
 
-    def prepare_loopy_kernel(self, loopy_knl):
-        return self.kernel.prepare_loopy_kernel(loopy_knl)
-
     def get_code_transformer(self):
         return self.kernel.get_code_transformer()