问yum删除cmake失败

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[chaos@localhost ~]$ cmake --version
cmake version 2.8.10.2
[lichao@localhost ~]$ yum info cmake
Available Packages
Name        : cmake
Arch        : x86_64
Version     : 2.8.12.2
Release     : 2.el7
Size        : 7.1 M
Repo        : base
Summary     : Cross-platform make system
URL         : http://www.cmake.org
License     : BSD and MIT and zlib
Description : CMake is used to control the software compilation process using simple
            : platform and compiler independent configuration files. CMake generates
            : native makefiles and workspaces that can be used in the compiler
            : environment of your choice. CMake is quite sophisticated: it is possible
            : to support complex environments requiring system configuration, preprocessor
            : generation, code generation, and template instantiation.
[chaos@localhost ~]$ sudo yum remove cmake -y
[sudo] password for lichao: 
No Match for argument: cmake
No Packages marked for removal