diff --git a/test/navier-stokes/CMakeLists.txt b/test/navier-stokes/CMakeLists.txt
index 0395a5849226d0311743b9d16553f69a5bf2b064..152586520053b9eb0efd6eb12b7eada02c21d6db 100644
--- a/test/navier-stokes/CMakeLists.txt
+++ b/test/navier-stokes/CMakeLists.txt
@@ -1,16 +1,11 @@
 add_subdirectory(reference_program)
 
-dune_add_formcompiler_system_test(UFLFILE navierstokes_3d_dg_quadrilateral.ufl
-                                  BASENAME navierstokes_3d_dg_quadrilateral
-                                  INIFILE navierstokes_3d_dg_quadrilateral.mini
-                                  )
-
 dune_add_formcompiler_system_test(UFLFILE navierstokes_2d_dg_quadrilateral.ufl
                                   BASENAME navierstokes_2d_dg_quadrilateral
                                   INIFILE navierstokes_2d_dg_quadrilateral.mini
                                   )
 
-dune_add_formcompiler_system_test(UFLFILE navierstokes_howto_2d_dg_quadrilateral.ufl
-                                  BASENAME navierstokes_howto_2d_dg_quadrilateral
-                                  INIFILE navierstokes_howto_2d_dg_quadrilateral.mini
-                                  )
+# dune_add_formcompiler_system_test(UFLFILE navierstokes_3d_dg_quadrilateral.ufl
+#                                   BASENAME navierstokes_3d_dg_quadrilateral
+#                                   INIFILE navierstokes_3d_dg_quadrilateral.mini
+#                                   )
diff --git a/test/navier-stokes/navierstokes_howto_2d_dg_quadrilateral.mini b/test/navier-stokes/navierstokes_howto_2d_dg_quadrilateral.mini
deleted file mode 100644
index 4fedf2d749619e8953a74f348e663813fc534160..0000000000000000000000000000000000000000
--- a/test/navier-stokes/navierstokes_howto_2d_dg_quadrilateral.mini
+++ /dev/null
@@ -1,16 +0,0 @@
-__name = navierstokes_howto_2d_dg_quadrilateral_{__exec_suffix}
-__exec_suffix = symdiff, numdiff | expand num
-
-cells = 8 8
-extension = 1. 1.
-
-printmatrix = true
-printresidual = false
-
-[wrapper.vtkcompare]
-name = {__name}
-extension = vtu
-
-[formcompiler]
-numerical_jacobian = 0, 1 | expand num
-# compare_l2errorsquared = 1e-8
diff --git a/test/navier-stokes/navierstokes_howto_2d_dg_quadrilateral.ufl b/test/navier-stokes/navierstokes_howto_2d_dg_quadrilateral.ufl
deleted file mode 100644
index c3099358c1298e088711ac4c4bf5484428f449f7..0000000000000000000000000000000000000000
--- a/test/navier-stokes/navierstokes_howto_2d_dg_quadrilateral.ufl
+++ /dev/null
@@ -1,45 +0,0 @@
-# This example mimics the PDE of the pde-howto (after some
-# adaptions). It can be used to compare residual evaluations and
-# setting up the jacobi-matrix between the generated code and the
-# pdelab operator.
-
-cell = quadrilateral
-
-P2 = VectorElement("DG", cell, 2)
-P1 = FiniteElement("DG", cell, 1)
-TH = P2 * P1
-
-v, q = TestFunctions(TH)
-u, p = TrialFunctions(TH)
-
-x = SpatialCoordinate(cell)
-g_v = as_vector((4*x[1]*(1.-x[1]), 0.0))
-
-# bctype = conditional(x[0] < 1. - 1e-8, 1, 0)
-# ds = ds(subdomain_id=1, subdomain_data=bctype)
-
-n = FacetNormal(cell)('+')
-eps = -1.0
-sigma = 1.0
-
-rho = 1.0
-mu = 1.0
-
-h_e = Min(CellVolume(cell)('+'), CellVolume(cell)('-')) / FacetArea(cell)
-
-r = mu * inner(grad(u), grad(v))*dx \
-  - p*div(v)*dx \
-  - q*div(u)*dx \
-  + rho * inner(grad(u)*u,v)*dx \
-  + mu * inner(avg(grad(u))*n, jump(v))*dS \
-  + mu / h_e * sigma * inner(jump(u), jump(v))*dS \
-  - mu * eps * inner(avg(grad(v))*n, jump(u))*dS \
-  - avg(p)*inner(jump(v), n)*dS \
-  - avg(q)*inner(jump(u), n)*dS \
-  - mu * inner(grad(u)*n, v)*ds \
-  + mu / h_e * sigma * inner(u-g_v, v)*ds \
-  + mu * eps * inner(grad(v)*n, u-g_v)*ds \
-  + p*inner(v, n)*ds \
-  + q*inner(u-g_v, n)*ds
-
-forms = [r]
\ No newline at end of file
diff --git a/test/navier-stokes/reference_program/CMakeLists.txt b/test/navier-stokes/reference_program/CMakeLists.txt
index 228faae3912c8bc0c1dd0b98cb6492bbaa790911..21af3e83f8d1fdec5377291b521f8712987a494d 100644
--- a/test/navier-stokes/reference_program/CMakeLists.txt
+++ b/test/navier-stokes/reference_program/CMakeLists.txt
@@ -1,3 +1,3 @@
 add_executable(taylor-green taylor-green.cc)
-
 dune_symlink_to_source_files(FILES taylor-green.ini)
+set_target_properties(taylor-green PROPERTIES EXCLUDE_FROM_ALL 1)