diff --git a/FHEM/10_MAX.pm b/FHEM/10_MAX.pm
index 9e695cfca..96d24ed69 100755
--- a/FHEM/10_MAX.pm
+++ b/FHEM/10_MAX.pm
@@ -6,7 +6,6 @@
 #
 package main;
 
-use v5.10.1;
 use strict;
 use warnings;
 use MIME::Base64;
diff --git a/FHEM/14_CUL_MAX.pm b/FHEM/14_CUL_MAX.pm
index 5eb45aabf..1c0b1d2e1 100644
--- a/FHEM/14_CUL_MAX.pm
+++ b/FHEM/14_CUL_MAX.pm
@@ -3,8 +3,6 @@
 # Written by Matthias Gehre, M.Gehre@gmx.de, 2012-2013
 package main;
 
-use v5.10.1;
-
 use strict;
 use warnings;
 use MaxCommon;
diff --git a/FHEM/MaxCommon.pm b/FHEM/MaxCommon.pm
index ffb241f45..56b1d7de6 100644
--- a/FHEM/MaxCommon.pm
+++ b/FHEM/MaxCommon.pm
@@ -1,7 +1,5 @@
 package MaxCommon;
 
-use v5.10.1;
-
 require Exporter;
 @ISA = qw(Exporter);
 @EXPORT = qw(%device_types %msgId2Cmd %msgCmd2Id $defaultWeekProfile MAX_ParseTemperature validTemperature);