diff --git a/tests/test_pcb_diff.py b/tests/test_pcb_diff.py
index 9c3ce0f..6f9c6c3 100644
--- a/tests/test_pcb_diff.py
+++ b/tests/test_pcb_diff.py
@@ -13,7 +13,6 @@
 
 import os
 import sys
-import logging
 # Look for the 'utils' module from where the script is running
 script_dir = os.path.dirname(os.path.abspath(__file__))
 sys.path.insert(0, os.path.dirname(script_dir))
diff --git a/tests/test_sch_diff.py b/tests/test_sch_diff.py
index cf7b17a..d73f5a9 100644
--- a/tests/test_sch_diff.py
+++ b/tests/test_sch_diff.py
@@ -13,7 +13,6 @@
 
 import os
 import sys
-import logging
 # Look for the 'utils' module from where the script is running
 script_dir = os.path.dirname(os.path.abspath(__file__))
 sys.path.insert(0, os.path.dirname(script_dir))
@@ -24,7 +23,6 @@
 def test_sch_simple_1(test_dir):
     ctx = context.TestContextSCH(test_dir, 1)
     ctx.run()
-    #ctx.compare_out_file()
     ctx.compare_out_pngs()
     ctx.clean_up()
 
@@ -33,7 +31,6 @@ def test_sch_multi_1(test_dir):
     ctx = context.TestContextSCH(test_dir, 2)
     ctx.run(['--all_pages'])
     ctx.compare_out_file()
-    #ctx.compare_out_pngs()
     ctx.clean_up()
 
 
diff --git a/tests/utils/context.py b/tests/utils/context.py
index f429d67..58f4d3d 100644
--- a/tests/utils/context.py
+++ b/tests/utils/context.py
@@ -1,6 +1,4 @@
 import os
-import shutil
-import tempfile
 import logging
 import subprocess
 import re