diff --git a/pytential/symbolic/execution.py b/pytential/symbolic/execution.py
index 9a9bcb05dd2cf18ce70ce9f11bfb448be3ef2d69..34697a6de6ad2a8a00a3782205e8793032351b03 100644
--- a/pytential/symbolic/execution.py
+++ b/pytential/symbolic/execution.py
@@ -169,10 +169,6 @@ class EvaluationMapper(EvaluationMapperBase):
         result = gmres(scipy_op, rhs)
         return result
 
-    def map_quad_kernel_op(self, expr):
-        source = self.bound_expr.places[expr.source]
-        return source.map_quad_kernel_op(expr, self.bound_expr, self.rec)
-
     def map_interpolation(self, expr):
         if not isinstance(expr.target, sym.QBXSourceQuadStage2):
             raise RuntimeError("can only interpolate to quad_stage2 mesh")