diff --git a/mypy.ini b/mypy.ini
index 81c8eb2a6..fba1bf9ab 100644
--- a/mypy.ini
+++ b/mypy.ini
@@ -5,7 +5,7 @@ ignore_missing_imports = True
 strict_equality = True
 warn_redundant_casts = True
 warn_unused_configs = True
-warn_unused_ignores = True
+warn_unused_ignores = False
 
 exclude = tests|docs|examples|bin
 
diff --git a/tests/test_grid3d/test_ecl_inte_head.py b/tests/test_grid3d/test_ecl_inte_head.py
index fc1297212..210866ebb 100644
--- a/tests/test_grid3d/test_ecl_inte_head.py
+++ b/tests/test_grid3d/test_ecl_inte_head.py
@@ -29,9 +29,9 @@ def test_intehead_iphs_when_e300():
     intehead_values = [0] * 100
     intehead_values[94] = 300  # simulator is Ecl 300
     intehead_values[14] = 8  # 14 is IPHS code in E100 but no. tracers in E300, here 8
-    assert InteHead(intehead_values).phases == Phases.OIL_WATER_GAS, (
-        "phases always OIL_WATER_GAS in Eclipse 300"
-    )
+    assert (
+        InteHead(intehead_values).phases == Phases.OIL_WATER_GAS
+    ), "phases always OIL_WATER_GAS in Eclipse 300"
 
 
 def test_intehead_iphs_fail_when_outsiderange_e100():