--- pytest_benchmark-5.3.0/tox.ini.orig
+++ pytest_benchmark-5.3.0/tox.ini
@@ -21,7 +21,6 @@
 [testenv]
 setenv =
     COLUMNS=80
-    PYTHONPATH={toxinidir}/tests
     PYTHONUNBUFFERED=yes
     COV_CORE_SOURCE={toxinidir}/src
     COV_CORE_CONFIG={toxinidir}/.coveragerc