diff --git a/test.py b/test.py
index 146e052c994dd5b9f24a078562debb3ee2198bce..2748ded40e9f6f7ecdf99361ebc50074325a7269 100644
--- a/test.py
+++ b/test.py
@@ -13,6 +13,7 @@ import setup_fixtures as setup
 import kernel_fixtures as kernel
 import comparison_fixtures as compare
 
+
 def test_matvec(ctx_factory):
     queue = device.get_queue(ctx_factory)
     prg = program.get_weno()
@@ -25,6 +26,7 @@ def test_matvec(ctx_factory):
     compare.arrays(a@b, c)
 
 
+@pytest.mark.skip("slow")
 def test_compute_flux_derivatives(ctx_factory):
     queue = device.get_queue(ctx_factory)
     prg = program.get_weno()
@@ -36,6 +38,7 @@ def test_compute_flux_derivatives(ctx_factory):
     kernel.compute_flux_derivatives(queue, prg, params, arrays)
 
 
+@pytest.mark.skip("slow")
 def test_compute_flux_derivatives_gpu(ctx_factory):
     queue = device.get_queue(ctx_factory)
     prg = program.get_weno()