diff --git a/Makefile b/Makefile
index 82f239da..249e9b04 100644
--- a/Makefile
+++ b/Makefile
@@ -69,7 +69,7 @@ testperf:
 	pytest -k tests_perf
 
 testtimer:
-	pytest --durations=10
+	pytest
 
 # another performance test, to check evolution across commits
 testasv:
@@ -116,7 +116,7 @@ pre-commit:
 	# quick sanity checks
 	@make --no-print-directory testsetup
 	flake8 -j 8 --count --statistics setup.py .meta/ tqdm/ tests/ examples/
-	pytest -qq -k "basic_overhead or not (perf or keras or pandas or monitoring)"
+	pytest -qq --durations=1 -k "basic_overhead or not (perf or keras or pandas or monitoring)"
 prebuildclean:
 	@+python -c "import shutil; shutil.rmtree('build', True)"
 	@+python -c "import shutil; shutil.rmtree('dist', True)"
diff --git a/setup.cfg b/setup.cfg
index ca9a73e7..7d32589d 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -16,10 +16,9 @@ split_before_named_assigns=False
 split_before_closing_bracket=False
 
 [tool:pytest]
-python_files = tests_*.py
-testpaths = tests
-addopts = -v --tb=short
-usefixtures = pretest_posttest
+python_files=tests_*.py
+testpaths=tests
+addopts=-v --tb=short -rxs --durations=0 --durations-min=0.1
 
 [metadata]
 name = tqdm
diff --git a/tests/conftest.py b/tests/conftest.py
new file mode 100644
index 00000000..da7d3ccd
--- /dev/null
+++ b/tests/conftest.py
@@ -0,0 +1,26 @@
+import sys
+from tqdm import tqdm
+from pytest import fixture
+
+
+@fixture(autouse=True)
+def pretest_posttest():
+    """Fixture for all tests ensuring environment cleanup"""
+    try:
+        sys.setswitchinterval(1)
+    except AttributeError:
+        sys.setcheckinterval(100)  # deprecated
+
+    if getattr(tqdm, "_instances", False):
+        n = len(tqdm._instances)
+        if n:
+            tqdm._instances.clear()
+            raise EnvironmentError(
+                "{0} `tqdm` instances still in existence PRE-test".format(n))
+    yield
+    if getattr(tqdm, "_instances", False):
+        n = len(tqdm._instances)
+        if n:
+            tqdm._instances.clear()
+            raise EnvironmentError(
+                "{0} `tqdm` instances still in existence POST-test".format(n))
diff --git a/tests/py37_asyncio.py b/tests/py37_asyncio.py
index b82eff6d..d76f5a6f 100644
--- a/tests/py37_asyncio.py
+++ b/tests/py37_asyncio.py
@@ -6,7 +6,6 @@ import asyncio
 from pytest import mark
 
 from tqdm.asyncio import tqdm_asyncio, tarange
-from .tests_tqdm import pretest_posttest  # NOQA, pylint: disable=unused-import
 from .tests_tqdm import StringIO, closing
 
 tqdm = partial(tqdm_asyncio, miniters=0, mininterval=0)
diff --git a/tests/tests_concurrent.py b/tests/tests_concurrent.py
index 3cac02e7..ebef677e 100644
--- a/tests/tests_concurrent.py
+++ b/tests/tests_concurrent.py
@@ -6,7 +6,6 @@ from warnings import catch_warnings
 from pytest import mark
 
 from tqdm.contrib.concurrent import thread_map, process_map
-from .tests_tqdm import pretest_posttest  # NOQA, pylint: disable=unused-import
 from .tests_tqdm import importorskip, skip, StringIO, closing
 
 
diff --git a/tests/tests_contrib.py b/tests/tests_contrib.py
index 8b7e9fc0..eca3d18d 100644
--- a/tests/tests_contrib.py
+++ b/tests/tests_contrib.py
@@ -4,7 +4,6 @@ Tests for `tqdm.contrib`.
 import sys
 
 from tqdm.contrib import tenumerate, tzip, tmap
-from .tests_tqdm import pretest_posttest  # NOQA, pylint: disable=unused-import
 from .tests_tqdm import importorskip, StringIO, closing
 
 
diff --git a/tests/tests_itertools.py b/tests/tests_itertools.py
index 32f23de9..ede9949d 100644
--- a/tests/tests_itertools.py
+++ b/tests/tests_itertools.py
@@ -4,7 +4,6 @@ Tests for `tqdm.contrib.itertools`.
 import itertools
 
 from tqdm.contrib.itertools import product
-from .tests_tqdm import pretest_posttest  # NOQA, pylint: disable=unused-import
 from .tests_tqdm import StringIO, closing
 
 
diff --git a/tests/tests_keras.py b/tests/tests_keras.py
index 62b4d1df..9d1b21e1 100644
--- a/tests/tests_keras.py
+++ b/tests/tests_keras.py
@@ -1,7 +1,6 @@
 from __future__ import division
 
 from tqdm import tqdm
-from .tests_tqdm import pretest_posttest  # NOQA, pylint: disable=unused-import
 from .tests_tqdm import importorskip, StringIO, closing
 
 
diff --git a/tests/tests_main.py b/tests/tests_main.py
index b348018d..990348d4 100644
--- a/tests/tests_main.py
+++ b/tests/tests_main.py
@@ -8,7 +8,6 @@ import subprocess
 
 from tqdm.cli import main, TqdmKeyError, TqdmTypeError
 from tqdm.utils import IS_WIN
-from .tests_tqdm import pretest_posttest  # NOQA, pylint: disable=unused-import
 from .tests_tqdm import skip, _range, closing, UnicodeIO, StringIO, BytesIO
 
 
diff --git a/tests/tests_notebook.py b/tests/tests_notebook.py
index c8e858b8..004d7e57 100644
--- a/tests/tests_notebook.py
+++ b/tests/tests_notebook.py
@@ -1,5 +1,4 @@
 from tqdm.notebook import tqdm as tqdm_notebook
-from .tests_tqdm import pretest_posttest  # NOQA, pylint: disable=unused-import
 
 
 def test_notebook_disabled_description():
diff --git a/tests/tests_pandas.py b/tests/tests_pandas.py
index 07647e6c..fa65f82f 100644
--- a/tests/tests_pandas.py
+++ b/tests/tests_pandas.py
@@ -1,5 +1,4 @@
 from tqdm import tqdm
-from .tests_tqdm import pretest_posttest  # NOQA, pylint: disable=unused-import
 from .tests_tqdm import importorskip, skip, StringIO, closing
 
 random = importorskip("numpy.random")
diff --git a/tests/tests_perf.py b/tests/tests_perf.py
index 1ef9ed10..684b3709 100644
--- a/tests/tests_perf.py
+++ b/tests/tests_perf.py
@@ -11,7 +11,6 @@ except ImportError:
 import sys
 
 from tqdm import tqdm, trange
-from .tests_tqdm import pretest_posttest  # NOQA, pylint: disable=unused-import
 from .tests_tqdm import importorskip, skip, StringIO, closing, _range, \
     patch_lock
 
diff --git a/tests/tests_synchronisation.py b/tests/tests_synchronisation.py
index d3eb32c3..d5f7bab0 100644
--- a/tests/tests_synchronisation.py
+++ b/tests/tests_synchronisation.py
@@ -6,7 +6,6 @@ import sys
 
 from tqdm import tqdm, trange, TMonitor
 from .tests_perf import retry_on_except
-from .tests_tqdm import pretest_posttest  # NOQA, pylint: disable=unused-import
 from .tests_tqdm import importorskip, skip, StringIO, closing, patch_lock
 
 
diff --git a/tests/tests_tqdm.py b/tests/tests_tqdm.py
index 91b65ade..02eab10d 100644
--- a/tests/tests_tqdm.py
+++ b/tests/tests_tqdm.py
@@ -9,7 +9,7 @@ import os
 from functools import wraps
 from contextlib import contextmanager
 from pytest import raises as assert_raises
-from pytest import fixture, importorskip, skip
+from pytest import importorskip, skip
 from warnings import catch_warnings, simplefilter
 
 from tqdm import tqdm
@@ -118,29 +118,6 @@ def cpu_timify(t, timer=None):
     return timer
 
 
-@fixture(autouse=True)
-def pretest_posttest():
-    """Fixture for all tests ensuring environment cleanup"""
-    try:
-        sys.setswitchinterval(1)
-    except AttributeError:
-        sys.setcheckinterval(100)  # deprecated
-
-    if getattr(tqdm, "_instances", False):
-        n = len(tqdm._instances)
-        if n:
-            tqdm._instances.clear()
-            raise EnvironmentError(
-                "{0} `tqdm` instances still in existence PRE-test".format(n))
-    yield
-    if getattr(tqdm, "_instances", False):
-        n = len(tqdm._instances)
-        if n:
-            tqdm._instances.clear()
-            raise EnvironmentError(
-                "{0} `tqdm` instances still in existence POST-test".format(n))
-
-
 class UnicodeIO(IOBase):
     """Unicode version of StringIO"""
     def __init__(self, *args, **kwargs):
diff --git a/tests/tests_version.py b/tests/tests_version.py
index 6783d386..3de482f8 100644
--- a/tests/tests_version.py
+++ b/tests/tests_version.py
@@ -2,8 +2,6 @@
 from ast import literal_eval
 import re
 
-from .tests_tqdm import pretest_posttest  # NOQA, pylint: disable=unused-import
-
 
 def test_version():
     """Test version string"""
diff --git a/tox.ini b/tox.ini
index 7cc43c56..6232baf9 100644
--- a/tox.ini
+++ b/tox.ini
@@ -26,7 +26,7 @@ deps =
     {[coverage]deps}
     codecov
 commands =
-    pytest --durations=10 --cov=tqdm --cov-report=xml --cov-report=term -k "not tests_perf"
+    pytest --cov=tqdm --cov-report=xml --cov-report=term -k "not tests_perf"
     - coveralls
     codecov
     - codacy report -r coverage.xml
@@ -57,7 +57,7 @@ deps = {[extra]deps}
 
 [testenv:perf]
 deps = pytest
-commands = pytest --durations=0 -k tests_perf
+commands = pytest -k tests_perf
 
 [testenv:flake8]
 deps = flake8