diff --git a/update_copyrights b/update_copyrights
index c66c853912c7e..9b1210f0e379f 100755
--- a/update_copyrights
+++ b/update_copyrights
@@ -22,7 +22,6 @@ def signal_handler(signal, func):
 def do_git(file):
     # print("started : " + file)
     result = str(check_output(["git", "log", "-1", "--format=%ad,%an,,,,", "--date=format:%Y/%m/%d", file]), 'UTF-8').split(sep=",")
-    result[0] = result[0].replace("'", "")
     result[1] = result[1][2:]
     return result