diff --git a/python/run_tests.sh b/python/run_tests.sh
index fed6f11..a4540c5 100644
--- a/python/run_tests.sh
+++ b/python/run_tests.sh
@@ -4,7 +4,7 @@ set -e
 set -x
 default_pythonpath=$PYTHONPATH:.
 export PYTHONPATH=${default_pythonpath:-.}
-for f in `ls tests/*.py`; do
+for f in `ls tests/test_*.py`; do
 	python $f
 	if [ $? -gt 0 ]; then
 		exit 1
diff --git a/python/tests/conftest.py b/python/tests/conftest.py
deleted file mode 100644
index 87938ed..0000000
--- a/python/tests/conftest.py
+++ /dev/null
@@ -1,4 +0,0 @@
-# external imports
-from chainlib.eth.pytest import *
-from eth_contract_registry.pytest import *
-