diff --git a/python/dune/perftool/loopy/transformer.py b/python/dune/perftool/loopy/transformer.py
index ba72d430667be2c279f60fec103e363d94d510bb..0a0fde9abc31dbd7447a53e1918084b16df5c9de 100644
--- a/python/dune/perftool/loopy/transformer.py
+++ b/python/dune/perftool/loopy/transformer.py
@@ -8,11 +8,6 @@ from __future__ import absolute_import
 from dune.perftool import Restriction
 from dune.perftool.ufl.modified_terminals import ModifiedTerminalTracker
 from dune.perftool.pymbolic.uflmapper import UFL2PymbolicMapper
-from dune.perftool.pymbolic.placeholder import (IndexPlaceholder,
-                                                IndexPlaceholderRemoval,
-                                                LFSIndexPlaceholder,
-                                                LFSIndexPlaceholderExtraction,
-                                                )
 from dune.perftool.pdelab.geometry import GeometryMapper
 from dune.perftool.generation import (domain,
                                       get_temporary_name,