diff --git a/tests/gmii/test_gmii.py b/tests/gmii/test_gmii.py
index 735b1a4..e18a929 100644
--- a/tests/gmii/test_gmii.py
+++ b/tests/gmii/test_gmii.py
@@ -144,7 +144,6 @@ if cocotb.SIM_NAME:
 # cocotb-test
 
 tests_dir = os.path.dirname(__file__)
-rtl_dir = os.path.abspath(os.path.join(tests_dir, '..', '..', 'rtl'))
 
 
 def test_gmii(request):
diff --git a/tests/gmii_phy/test_gmii_phy.py b/tests/gmii_phy/test_gmii_phy.py
index 73e5141..2bdcf37 100644
--- a/tests/gmii_phy/test_gmii_phy.py
+++ b/tests/gmii_phy/test_gmii_phy.py
@@ -154,7 +154,6 @@ if cocotb.SIM_NAME:
 # cocotb-test
 
 tests_dir = os.path.dirname(__file__)
-rtl_dir = os.path.abspath(os.path.join(tests_dir, '..', '..', 'rtl'))
 
 
 def test_gmii_phy(request):
diff --git a/tests/mii/test_mii.py b/tests/mii/test_mii.py
index 7a9e668..3d146f8 100644
--- a/tests/mii/test_mii.py
+++ b/tests/mii/test_mii.py
@@ -141,7 +141,6 @@ if cocotb.SIM_NAME:
 # cocotb-test
 
 tests_dir = os.path.dirname(__file__)
-rtl_dir = os.path.abspath(os.path.join(tests_dir, '..', '..', 'rtl'))
 
 
 def test_mii(request):
diff --git a/tests/mii_phy/test_mii_phy.py b/tests/mii_phy/test_mii_phy.py
index 8a725d6..17500cd 100644
--- a/tests/mii_phy/test_mii_phy.py
+++ b/tests/mii_phy/test_mii_phy.py
@@ -145,7 +145,6 @@ if cocotb.SIM_NAME:
 # cocotb-test
 
 tests_dir = os.path.dirname(__file__)
-rtl_dir = os.path.abspath(os.path.join(tests_dir, '..', '..', 'rtl'))
 
 
 def test_mii_phy(request):
diff --git a/tests/ptp_clock/test_ptp_clock.py b/tests/ptp_clock/test_ptp_clock.py
index 7cf5e03..e114dd2 100644
--- a/tests/ptp_clock/test_ptp_clock.py
+++ b/tests/ptp_clock/test_ptp_clock.py
@@ -294,7 +294,6 @@ async def run_drift_adjustment(dut):
 # cocotb-test
 
 tests_dir = os.path.dirname(__file__)
-rtl_dir = os.path.abspath(os.path.join(tests_dir, '..', '..', 'rtl'))
 
 
 def test_ptp_clock(request):
diff --git a/tests/rgmii/test_rgmii.py b/tests/rgmii/test_rgmii.py
index c6547c0..e45f649 100644
--- a/tests/rgmii/test_rgmii.py
+++ b/tests/rgmii/test_rgmii.py
@@ -141,7 +141,6 @@ if cocotb.SIM_NAME:
 # cocotb-test
 
 tests_dir = os.path.dirname(__file__)
-rtl_dir = os.path.abspath(os.path.join(tests_dir, '..', '..', 'rtl'))
 
 
 def test_rgmii(request):
diff --git a/tests/rgmii_phy/test_rgmii_phy.py b/tests/rgmii_phy/test_rgmii_phy.py
index 7b477f2..a85225d 100644
--- a/tests/rgmii_phy/test_rgmii_phy.py
+++ b/tests/rgmii_phy/test_rgmii_phy.py
@@ -158,7 +158,6 @@ if cocotb.SIM_NAME:
 # cocotb-test
 
 tests_dir = os.path.dirname(__file__)
-rtl_dir = os.path.abspath(os.path.join(tests_dir, '..', '..', 'rtl'))
 
 
 def test_rgmii_phy(request):
diff --git a/tests/xgmii/test_xgmii.py b/tests/xgmii/test_xgmii.py
index 43c33de..c8e5a22 100644
--- a/tests/xgmii/test_xgmii.py
+++ b/tests/xgmii/test_xgmii.py
@@ -229,7 +229,6 @@ 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", [32, 64])