diff --git a/raster/r.sim/r.sim.water/testsuite/test_r_sim_water.py b/raster/r.sim/r.sim.water/testsuite/test_r_sim_water.py
index 764e1e65135..42b233a5240 100644
--- a/raster/r.sim/r.sim.water/testsuite/test_r_sim_water.py
+++ b/raster/r.sim/r.sim.water/testsuite/test_r_sim_water.py
@@ -13,7 +13,6 @@ class TestRSimWater(TestCase):
     dx = "tmp_dx"
     dy = "tmp_dy"
     depth = "tmp_depth"
-    depth2 = "tmp_depth2"
     discharge = "tmp_discharge"
     diff_depth = "tmp_diff_depth"
     diff_discharge = "tmp_diff_discharge"
@@ -160,21 +159,6 @@ def test_nodxdy(self):
         stats = tools.r_univar(map=self.diff_discharge, format="json")
         self.assertAlmostEqual(stats["sum"], 0, delta=1e-3)
 
-        # test parallelized dxdy
-        # lower precision because parallelization affects random number generator
-        self.assertModule(
-            "r.sim.water",
-            elevation=self.elevation,
-            depth=self.depth2,
-            random_seed=1,
-            nprocs=2,
-        )
-        self.assertRastersEqual(
-            self.depth2,
-            reference=self.reference_depth_default,
-            precision="0.02",
-        )
-
     def test_complex(self):
         """Test r.sim.water execution with more complex inputs"""
         # Run the r.sim.water simulation