diff --git a/tests/axi/test_axi.py b/tests/axi/test_axi.py
index afe3ba2..902b7a3 100644
--- a/tests/axi/test_axi.py
+++ b/tests/axi/test_axi.py
@@ -311,7 +311,6 @@ if cocotb.SIM_NAME:
 # cocotb-test
 
 tests_dir = os.path.dirname(__file__)
-rtl_dir = os.path.abspath(os.path.join(tests_dir, '..', '..', 'rtl'))
 
 
 @pytest.mark.parametrize("data_width", [8, 16, 32])
diff --git a/tests/axil/test_axil.py b/tests/axil/test_axil.py
index ae226b7..ba8d5af 100644
--- a/tests/axil/test_axil.py
+++ b/tests/axil/test_axil.py
@@ -295,7 +295,6 @@ if cocotb.SIM_NAME:
 # cocotb-test
 
 tests_dir = os.path.dirname(__file__)
-rtl_dir = os.path.abspath(os.path.join(tests_dir, '..', '..', 'rtl'))
 
 
 @pytest.mark.parametrize("data_width", [8, 16, 32])
diff --git a/tests/axis/test_axis.py b/tests/axis/test_axis.py
index 65bcb1b..09bb471 100644
--- a/tests/axis/test_axis.py
+++ b/tests/axis/test_axis.py
@@ -147,7 +147,6 @@ if cocotb.SIM_NAME:
 # cocotb-test
 
 tests_dir = os.path.dirname(__file__)
-rtl_dir = os.path.abspath(os.path.join(tests_dir, '..', '..', 'rtl'))
 
 
 @pytest.mark.parametrize("data_width", [8, 16, 32])