diff --git a/pddl/__main__.py b/pddl/__main__.py
index 2269d53..6d1fb01 100644
--- a/pddl/__main__.py
+++ b/pddl/__main__.py
@@ -14,13 +14,11 @@
 """Main entrypoint for the PDDL parser CLI tool."""
 import os
 import sys
-from pathlib import Path
 
 import click
 
+from pddl import parse_domain, parse_problem
 from pddl.formatter import domain_to_string, problem_to_string
-from pddl.parser.domain import DomainParser
-from pddl.parser.problem import ProblemParser
 
 
 @click.group()
@@ -38,7 +36,7 @@ def domain(domain_file, quiet):
     """Check a PDDL domain file is correct."""
     if quiet:
         sys.stdout = open(os.devnull, "a")
-    print(domain_to_string(DomainParser()(Path(domain_file).read_text())))
+    print(domain_to_string(parse_domain(domain_file)))
 
 
 @cli.command()
@@ -48,7 +46,7 @@ def problem(problem_file, quiet):
     """Check a PDDL problem file is correct."""
     if quiet:
         sys.stdout = open(os.devnull, "a")
-    print(problem_to_string(ProblemParser()(Path(problem_file).read_text())))
+    print(problem_to_string(parse_problem(problem_file)))
 
 
 if __name__ == "__main__":
diff --git a/tests/test_parser.py b/tests/test_parser.py
index 2ae9056..d7af5b3 100644
--- a/tests/test_parser.py
+++ b/tests/test_parser.py
@@ -15,7 +15,7 @@
 from pathlib import Path
 
 import pytest
-from pytest import lazy_fixture  # type: ignore  # noqa
+from pytest import lazy_fixture  # type:ignore  # noqa
 
 from pddl.core import Domain, Problem
 from tests.conftest import (
@@ -42,11 +42,17 @@ def test_problem_parser(problem_parser, pddl_file: Path):
 @pytest.mark.parametrize(
     "pddl_file,expected_domain",
     [
-        (BLOCKSWORLD_FILES / "domain.pddl", lazy_fixture("blocksworld_domain")),
-        (TRIANGLE_FILES / "domain.pddl", lazy_fixture("triangle_tireworld_domain")),
+        (
+            BLOCKSWORLD_FILES / "domain.pddl",
+            lazy_fixture("blocksworld_domain"),  # type:ignore
+        ),
+        (
+            TRIANGLE_FILES / "domain.pddl",
+            lazy_fixture("triangle_tireworld_domain"),  # type:ignore
+        ),
         (
             BLOCKSWORLD_FOND_FILES / "domain.pddl",
-            lazy_fixture("blocksworld_fond_domain"),
+            lazy_fixture("blocksworld_fond_domain"),  # type:ignore
         ),
     ],
 )
@@ -61,8 +67,14 @@ def test_check_domain_parser_output(domain_parser, pddl_file: Path, expected_dom
 @pytest.mark.parametrize(
     "pddl_file,expected_problem",
     [
-        (BLOCKSWORLD_FILES / "p01.pddl", lazy_fixture("blocksworld_problem_01")),
-        (BLOCKSWORLD_FOND_FILES / "p01.pddl", lazy_fixture("blocksworld_fond_01")),
+        (
+            BLOCKSWORLD_FILES / "p01.pddl",
+            lazy_fixture("blocksworld_problem_01"),  # type:ignore
+        ),
+        (
+            BLOCKSWORLD_FOND_FILES / "p01.pddl",
+            lazy_fixture("blocksworld_fond_01"),  # type:ignore
+        ),
     ],
 )
 def test_check_problem_parser_output(problem_parser, pddl_file: Path, expected_problem):