diff --git a/plugins/mysql/mysql_disk_by_prefix b/plugins/mysql/mysql_disk_by_prefix
index 4e27ad98..517164d5 100755
--- a/plugins/mysql/mysql_disk_by_prefix
+++ b/plugins/mysql/mysql_disk_by_prefix
@@ -52,7 +52,6 @@ Parameters understood:
 
 import os
 import re
-import subprocess as sp
 import sys
 
 
@@ -147,5 +146,3 @@ def main():
 
 if __name__ == "__main__":
     main()
-
-# flake8: noqa: E265