The following packages are needing to be removed from EPEL. Most of them look to be ones which were forgotten.

=================== Need to be removed: =================== package: mediawiki123-HTTP302Found-2.0.1-3.el7.noarch from epel-base unresolved deps: mediawiki123 package: mediawiki123-RSS-2.25.0-1.el7.noarch from epel-base unresolved deps: mediawiki123 package: mediawiki123-intersection-1.7.0-1.el7.noarch from epel-base unresolved deps: mediawiki123 package: zabbix20-server-mysql-2.0.21-1.el7.x86_64 from epel-base unresolved deps: libiksemel.so.3()(64bit) package: zabbix20-server-pgsql-2.0.21-1.el7.x86_64 from epel-base unresolved deps: libiksemel.so.3()(64bit) package: notify-sharp3-3.0.3-2.el7.x86_64 from epel-base unresolved deps: mono(mscorlib) = 0:2.0.0.0 package: slim-1.3.6-6.el7.x86_64 from epel-base unresolved deps: desktop-backgrounds-basic