diff --git a/pyaptly/conftest.py b/pyaptly/conftest.py
index 6d8157a..6eda42a 100644
--- a/pyaptly/conftest.py
+++ b/pyaptly/conftest.py
@@ -8,8 +8,6 @@
 
 import freezegun
 import pytest
-import tomli
-import yaml
 
 from pyaptly import main, state_reader, util
 
@@ -114,16 +112,7 @@ def test_mirror_create(environment, config, caplog):
     ...
     ```
     """
-    config_file = test_base / request.param
-    with config_file.open("rb") as f:
-        config = tomli.load(f)
-    # TODO: remove yaml conversion
-    try:
-        with tempfile.NamedTemporaryFile(mode="w", encoding="UTF-8", delete=False) as f:
-            yaml.dump(config, f)
-        yield f.name
-    finally:
-        Path(f.name).unlink()
+    yield str(test_base / request.param)
 
 
 @pytest.fixture()
diff --git a/pyaptly/main.py b/pyaptly/main.py
index 16dae12..f1319cf 100755
--- a/pyaptly/main.py
+++ b/pyaptly/main.py
@@ -1,10 +1,9 @@
 """Aptly mirror/snapshot managment automation."""
 import argparse
-import codecs
 import logging
 import sys
 
-import yaml
+import tomli
 
 from . import command, mirror, publish, repo, snapshot, state_reader
 
@@ -84,8 +83,8 @@ def main(argv=None):
         _logging_setup = True  # noqa
     lg.debug("Args: %s", vars(args))
 
-    with codecs.open(args.config, "r", encoding="UTF-8") as cfgfile:
-        cfg = yaml.load(cfgfile, Loader=yaml.FullLoader)
+    with open(args.config, "rb") as f:
+        cfg = tomli.load(f)
     state_reader.state.read()
 
     # run function for selected subparser
diff --git a/pyaptly/tests/test_dateround.py b/pyaptly/tests/test_dateround.py
index 8a61935..8b60eaa 100644
--- a/pyaptly/tests/test_dateround.py
+++ b/pyaptly/tests/test_dateround.py
@@ -4,7 +4,7 @@
 import os.path
 
 import pytest
-import yaml
+import tomli
 from hypothesis import given
 from hypothesis.strategies import datetimes, integers, times
 
@@ -173,8 +173,8 @@ def test_daily_examples():
 @pytest.mark.parametrize("config", ["publish-previous.toml"], indirect=True)
 def test_snapshot_spec_to_name(config, test_path, freeze):
     """Test the complete functionality (snapshot_spec_to_name)."""
-    with (test_path / config).open("r") as f:
-        tyml = yaml.load(f, Loader=yaml.FullLoader)
+    with open(config, "rb") as f:
+        tyml = tomli.load(f)
     snaps = tyml["snapshot"]["superfake-%T"]["merge"]
 
     rounded1 = snapshot.snapshot_spec_to_name(tyml, snaps[0])