This is uninstallable on EL7.

# yum --enablerepo epel-testing install golang-golangorg-crypto-devel
Loaded plugins: ovl
epel-testing                                                                                                          | 4.7 kB  00:00:00     
(1/3): epel-testing/x86_64/updateinfo                                                                                 |  69 kB  00:00:00     
(2/3): epel-testing/x86_64/group_gz                                                                                   | 266 kB  00:00:00     
(3/3): epel-testing/x86_64/primary_db                                                                                 | 475 kB  00:00:00     
Resolving Dependencies
--> Running transaction check
---> Package golang-golangorg-crypto-devel.noarch 0:0-0.13.git81372b2.el7 will be installed
--> Processing Dependency: golang(golang.org/x/net/context) for package: golang-golangorg-crypto-devel-0-0.13.git81372b2.el7.noarch
--> Processing Dependency: golang(golang.org/x/net/context/ctxhttp) for package: golang-golangorg-crypto-devel-0-0.13.git81372b2.el7.noarch
--> Finished Dependency Resolution
Error: Package: golang-golangorg-crypto-devel-0-0.13.git81372b2.el7.noarch (epel-testing)
           Requires: golang(golang.org/x/net/context/ctxhttp)
Error: Package: golang-golangorg-crypto-devel-0-0.13.git81372b2.el7.noarch (epel-testing)
           Requires: golang(golang.org/x/net/context)
 You could try using --skip-broken to work around the problem
 You could try running: rpm -Va --nofiles --nodigest