diff --git a/md_pdf/config/read.py b/md_pdf/config/read.py
index 20ad7d2..27eb42e 100644
--- a/md_pdf/config/read.py
+++ b/md_pdf/config/read.py
@@ -1,5 +1,4 @@
 import yaml
-import os
 from md_pdf.consts import CONFIG_FILE
 from md_pdf.exceptions import ConfigValidationException