diff --git a/src/bundle_combine.py b/src/bundle_combine.py
index 005a6a6..7dbee1b 100755
--- a/src/bundle_combine.py
+++ b/src/bundle_combine.py
@@ -3,9 +3,8 @@
 import os
 import re
 import sys
-import common_lib as mylib
+import lib_common as mylib
 import download_tracker  # is_tracker
-import index_domains  # load
 
 
 THRESHOLD_PERCENT_OF_LOGS = 0.33  # domain appears in % recordings
diff --git a/src/download_itunes.py b/src/download_itunes.py
index 18416a7..2e1a4ec 100755
--- a/src/download_itunes.py
+++ b/src/download_itunes.py
@@ -1,7 +1,7 @@
 #!/usr/bin/env python3
 
 import sys
-import common_lib as mylib
+import lib_common as mylib
 
 AVAILABLE_LANGS = ['us', 'de']  # order matters
 
diff --git a/src/download_tracker.py b/src/download_tracker.py
index 846c3c6..cc61117 100755
--- a/src/download_tracker.py
+++ b/src/download_tracker.py
@@ -1,6 +1,6 @@
 #!/usr/bin/env python3
 
-import common_lib as mylib
+import lib_common as mylib
 
 known_trackers = None
 
diff --git a/src/html_bundle.py b/src/html_bundle.py
index 3c14b81..dd71532 100755
--- a/src/html_bundle.py
+++ b/src/html_bundle.py
@@ -1,7 +1,7 @@
 #!/usr/bin/env python3
 
 import sys
-import common_lib as mylib
+import lib_common as mylib
 import lib_graphs as Graph
 import lib_html as HTML
 import bundle_combine  # get_evaluated, fname_evaluated
diff --git a/src/html_categories.py b/src/html_categories.py
index 06b2aa8..28c58d0 100755
--- a/src/html_categories.py
+++ b/src/html_categories.py
@@ -1,6 +1,6 @@
 #!/usr/bin/env python3
 
-import common_lib as mylib
+import lib_common as mylib
 import lib_html as HTML
 import index_categories  # enum_all_categories
 
diff --git a/src/html_index_apps.py b/src/html_index_apps.py
index d3e8b73..378ae21 100755
--- a/src/html_index_apps.py
+++ b/src/html_index_apps.py
@@ -1,6 +1,6 @@
 #!/usr/bin/env python3
 
-import common_lib as mylib
+import lib_common as mylib
 import lib_html as HTML
 
 
diff --git a/src/html_index_domains.py b/src/html_index_domains.py
index 8209f5d..322a9b1 100755
--- a/src/html_index_domains.py
+++ b/src/html_index_domains.py
@@ -1,6 +1,6 @@
 #!/usr/bin/env python3
 
-import common_lib as mylib
+import lib_common as mylib
 import lib_graphs as Graph
 import lib_html as HTML
 import index_app_names  # get_name
diff --git a/src/html_root.py b/src/html_root.py
index 6b234d3..7bebd82 100755
--- a/src/html_root.py
+++ b/src/html_root.py
@@ -1,7 +1,7 @@
 #!/usr/bin/env python3
 
 import os
-import common_lib as mylib
+import lib_common as mylib
 import lib_html as HTML
 
 
diff --git a/src/index_app_names.py b/src/index_app_names.py
index 0ed96ff..d9089ff 100755
--- a/src/index_app_names.py
+++ b/src/index_app_names.py
@@ -1,7 +1,7 @@
 #!/usr/bin/env python3
 
 import sys
-import common_lib as mylib
+import lib_common as mylib
 import download_itunes  # app_names
 
 _bundle_name_dict = None
diff --git a/src/index_categories.py b/src/index_categories.py
index 27b266a..694522f 100755
--- a/src/index_categories.py
+++ b/src/index_categories.py
@@ -1,7 +1,7 @@
 #!/usr/bin/env python3
 
 import sys
-import common_lib as mylib
+import lib_common as mylib
 import download_itunes  # get_genres
 
 _dict_apps = None
diff --git a/src/index_domains.py b/src/index_domains.py
index 755460a..6101280 100755
--- a/src/index_domains.py
+++ b/src/index_domains.py
@@ -1,7 +1,7 @@
 #!/usr/bin/env python3
 
 import sys
-import common_lib as mylib
+import lib_common as mylib
 import bundle_combine  # get_evaluated
 import download_tracker  # is_tracker
 
diff --git a/src/index_meta.py b/src/index_meta.py
index dca5978..e5573b1 100755
--- a/src/index_meta.py
+++ b/src/index_meta.py
@@ -1,7 +1,7 @@
 #!/usr/bin/env python3
 
 import sys
-import common_lib as mylib
+import lib_common as mylib
 import bundle_combine  # get_evaluated
 
 
diff --git a/src/common_lib.py b/src/lib_common.py
similarity index 100%
rename from src/common_lib.py
rename to src/lib_common.py
diff --git a/src/lib_graphs.py b/src/lib_graphs.py
index 902f7f8..87be7c9 100755
--- a/src/lib_graphs.py
+++ b/src/lib_graphs.py
@@ -1,7 +1,7 @@
 #!/usr/bin/env python3
 
 import math
-import common_lib as mylib
+import lib_common as mylib
 import lib_html as HTML
 
 
diff --git a/src/lib_html.py b/src/lib_html.py
index 42a726e..2882ec7 100755
--- a/src/lib_html.py
+++ b/src/lib_html.py
@@ -2,7 +2,7 @@
 
 import math  # ceil
 import time  # strftime, gmtime
-import common_lib as mylib
+import lib_common as mylib
 import index_app_names  # get_name
 
 
diff --git a/src/main.py b/src/main.py
index 8f9cffb..1010da8 100755
--- a/src/main.py
+++ b/src/main.py
@@ -2,7 +2,7 @@
 
 import sys
 import traceback
-import common_lib as mylib
+import lib_common as mylib
 import bundle_combine
 import download_itunes
 import download_tracker