diff --git a/pyproject.toml b/pyproject.toml
index 06ffae1..1357f01 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -117,7 +117,6 @@ pretty = true
 show_error_codes = true
 strict = true
 warn_return_any = true
-warn_unused_ignores = true
 
 [[tool.mypy.overrides]]
 module = "gmsh"
diff --git a/rbnicsx/_cpp/compile_code.py b/rbnicsx/_cpp/compile_code.py
index 4634866..83580a2 100644
--- a/rbnicsx/_cpp/compile_code.py
+++ b/rbnicsx/_cpp/compile_code.py
@@ -11,12 +11,12 @@
 import types
 import typing
 
-import cppimport
+import cppimport  # type: ignore
 import mpi4py
 import mpi4py.MPI
 import numpy
 import petsc4py
-import pybind11
+import pybind11  # type: ignore
 import slepc4py
 
 from rbnicsx.io import on_rank_zero
diff --git a/rbnicsx/_cpp/default_compiler_options_with_dolfinx.py b/rbnicsx/_cpp/default_compiler_options_with_dolfinx.py
index 5a0f813..13d9bdf 100644
--- a/rbnicsx/_cpp/default_compiler_options_with_dolfinx.py
+++ b/rbnicsx/_cpp/default_compiler_options_with_dolfinx.py
@@ -7,15 +7,16 @@
 
 import typing  # pragma: no cover
 
-import dolfinx.jit  # pragma: no cover
-import dolfinx.pkgconfig  # pragma: no cover
-import dolfinx.wrappers  # pragma: no cover
 import numpy as np  # pragma: no cover
 import petsc4py.PETSc  # pragma: no cover
 
 
 def determine_default_compiler_options() -> typing.Dict[str, typing.Union[str, typing.List[str]]]:  # pragma: no cover
     """Determine default compiler options when dolfinx is available."""
+    import dolfinx.jit  # pragma: no cover # noqa: IMR200
+    import dolfinx.pkgconfig  # pragma: no cover # noqa: IMR200
+    import dolfinx.wrappers  # pragma: no cover # noqa: IMR200
+
     default_compiler_options: typing.Dict[str, typing.Union[str, typing.List[str]]] = dict()
 
     # C++ components
@@ -26,7 +27,7 @@ def determine_default_compiler_options() -> typing.Dict[str, typing.Union[str, t
         (True, not has_petsc_complex, has_petsc_complex)
     ):
         if dolfinx.pkgconfig.exists(dolfinx_pc_package) and scalar_type_check:
-            dolfinx_pc.update(dolfinx.pkgconfig.parse(dolfinx_pc_package))  # type: ignore[no-untyped-call]
+            dolfinx_pc.update(dolfinx.pkgconfig.parse(dolfinx_pc_package))  # type: ignore
             break
     assert len(dolfinx_pc) > 0
     default_compiler_options["include_dirs"] = [