diff --git a/perl-CPAN.spec b/perl-CPAN.spec
index 1263849..f864a0f 100644
--- a/perl-CPAN.spec
+++ b/perl-CPAN.spec
@@ -320,7 +320,6 @@ chmod +x %{buildroot}%{_libexecdir}/%{name}/test
 unset AUTHOR_TEST CPAN_EXPECT_TIMEOUT CPAN_RUN_SHELL_TEST_WITHOUT_EXPECT \
     ftp_proxy http_proxy no_proxy \
     PERL5_CPAN_IS_RUNNING PERL5_CPAN_IS_RUNNING_IN_RECURSION PERL_CORE VERBOSE
-export HARNESS_OPTIONS=j$(perl -e 'if ($ARGV[0] =~ /.*-j([0-9][0-9]*).*/) {print $1} else {print 1}' -- '%{?_smp_mflags}')
 make test
 
 %files