diff --git a/sbin/testEnvironment.pl b/sbin/testEnvironment.pl
index 9e62e38dc..190fa63b6 100755
--- a/sbin/testEnvironment.pl
+++ b/sbin/testEnvironment.pl
@@ -121,7 +121,6 @@ checkModule("List::Util"                                 );
 checkModule("Color::Calc"                                );
 checkModule("Text::Aspell",                 0.01,2       );
 checkModule("Weather::Com::Finder",         "0.5.3"      );
-checkModule("Class::InsideOut",             "1.09"       );
 checkModule("HTML::TagCloud",               "0.34"       );
 checkModule("Image::ExifTool",              "7.67"       );
 checkModule("Archive::Any",                 "0.0932"     );