diff --git a/python/dune/perftool/blockstructured/accumulation.py b/python/dune/perftool/blockstructured/accumulation.py
index ee52acbb157721717157d1f17a45f0595b783e25..57aa04a9291cf34230f8300713418669f0f69073 100644
--- a/python/dune/perftool/blockstructured/accumulation.py
+++ b/python/dune/perftool/blockstructured/accumulation.py
@@ -48,7 +48,7 @@ def generate_accumulation_instruction(expr, visitor):
     accumvar = name_accumulation_variable(test_lfs.get_restriction() + ansatz_lfs.get_restriction())
     accumvar_alias = name_accumulation_alias(accumvar, test_lfs)
 
-    predicates = boundary_predicates(expr, visitor.measure, visitor.subdomain_id)
+    predicates = boundary_predicates(visitor.measure, visitor.subdomain_id)
 
     quad_inames = visitor.interface.quadrature_inames()
     lfs_inames = visitor.test_info.inames
diff --git a/python/dune/perftool/pdelab/localoperator.py b/python/dune/perftool/pdelab/localoperator.py
index 1f808ef1c90f4b358b60d6f4744a2322a726e055..f4e90c6affc8c4276cf4e6d91bfc1a80d5be4521 100644
--- a/python/dune/perftool/pdelab/localoperator.py
+++ b/python/dune/perftool/pdelab/localoperator.py
@@ -280,7 +280,7 @@ def determine_accumulation_space(info, number):
                              )
 
 
-def boundary_predicates(expr, measure, subdomain_id):
+def boundary_predicates(measure, subdomain_id):
     predicates = []
 
     if subdomain_id not in ['everywhere', 'otherwise']:
@@ -400,7 +400,7 @@ def generate_accumulation_instruction(expr, visitor):
     from dune.perftool.pdelab.argument import name_accumulation_variable
     accumvar = name_accumulation_variable(test_lfs.get_restriction() + ansatz_lfs.get_restriction())
 
-    predicates = boundary_predicates(expr, visitor.measure, visitor.subdomain_id)
+    predicates = boundary_predicates(visitor.measure, visitor.subdomain_id)
     if False in predicates:
         return
 
diff --git a/python/dune/perftool/sumfact/accumulation.py b/python/dune/perftool/sumfact/accumulation.py
index c943d80c8597522a97438ceb3dcffa2991553cb7..b9541a0f13e802c1f97a5f5ce5e33980327895cb 100644
--- a/python/dune/perftool/sumfact/accumulation.py
+++ b/python/dune/perftool/sumfact/accumulation.py
@@ -395,8 +395,7 @@ def generate_accumulation_instruction(expr, visitor):
     assert(size == basis_size[0] for size in basis_size)
 
     from dune.perftool.pdelab.localoperator import boundary_predicates
-    predicates = boundary_predicates(expr,
-                                     visitor.measure,
+    predicates = boundary_predicates(visitor.measure,
                                      visitor.subdomain_id,
                                      )
     if False in predicates: