diff --git a/mock/libvirt-4.5.0-10.el7_6.6.ppc64le.cfg b/mock/libvirt-4.5.0-10.el7_6.6.ppc64le.cfg
index 7afd4e8..9a613b5 100644
--- a/mock/libvirt-4.5.0-10.el7_6.6.ppc64le.cfg
+++ b/mock/libvirt-4.5.0-10.el7_6.6.ppc64le.cfg
@@ -30,7 +30,7 @@ gpgcheck=0
 assumeyes=1
 syslog_ident=mock
 syslog_device=
-exclude=kernel*-4.*
+exclude=*4.8.5-36.el7_6.1* *2.23.2-59.el7_6.1* *1.0.3-5.el7_6.1* *4.1.5.1-25.el7_6.1* *3.10.0-957.10.1.el7* kernel*-4.*
 # repos
 [c7.1708.u.ppc64le]
 name=c7.1708.u.ppc64le
@@ -67,6 +67,5 @@ name=c7.1810.u.ppc64le
 baseurl=http://repohost/repo/c7.1810.u.ppc64le/
 gpgcheck=0
 cost=1600
-enabled=0
 """
 
diff --git a/mock/valgrind-3.9.0-1.2.el7-x86_64.cfg b/mock/valgrind-3.9.0-1.2.el7-x86_64.cfg
index 69ec2b1..9a613b5 100644
--- a/mock/valgrind-3.9.0-1.2.el7-x86_64.cfg
+++ b/mock/valgrind-3.9.0-1.2.el7-x86_64.cfg
@@ -1,8 +1,8 @@
-config_opts['root'] = 'rhel-7b1-x86_64'
-config_opts['basedir'] = 'MOCKROOT'
-config_opts['target_arch'] = 'x86_64'
-config_opts['legal_host_arches'] = ('x86_64',)
-config_opts['chroot_setup_cmd'] = 'install bash bzip2 coreutils cpio diffutils system-release findutils gawk gcc gcc-c++ grep gzip info make patch redhat-rpm-config rpm-build sed shadow-utils tar unzip util-linux which xz'
+config_opts['root'] = 'TARGETNAME'
+config_opts['basedir'] = '/var/lib/mock'
+config_opts['target_arch'] = 'ppc64le'
+config_opts['legal_host_arches'] = ('ppc64le', 'noarch')
+config_opts['chroot_setup_cmd'] = 'install bash bzip2 coreutils cpio diffutils system-release findutils gawk gcc gcc-c++ grep gzip info make patch redhat-rpm-config rpm-build sed shadow-utils tar unzip util-linux vim-minimal which xz'
 config_opts['dist'] = 'el7'  # only useful for --resultdir variable subst
 
 config_opts['%centos_ver'] = "7"
@@ -14,8 +14,9 @@ config_opts['macros']['%vendor'] = "CentOS"
 config_opts['macros']['%packager'] = "CentOS BuildSystem <http://bugs.centos.org>"
 config_opts['macros']['%_vendor'] = "redhat"
 config_opts['macros']['%_vendor_host'] = "redhat"
-config_opts['macros']['%_host'] = "x86_64-redhat-linux-gnu"
+config_opts['macros']['%_host'] = "ppc64le-redhat-linux-gnu"
 
+config_opts['plugin_conf']['ccache_enable'] = False
 
 config_opts['yum.conf'] = """
 [main]
@@ -29,25 +30,42 @@ gpgcheck=0
 assumeyes=1
 syslog_ident=mock
 syslog_device=
+exclude=*4.8.5-36.el7_6.1* *2.23.2-59.el7_6.1* *1.0.3-5.el7_6.1* *4.1.5.1-25.el7_6.1* *3.10.0-957.10.1.el7* kernel*-4.*
+# repos
+[c7.1708.u.ppc64le]
+name=c7.1708.u.ppc64le
+baseurl=http://repohost/repo/c7.1708.u.ppc64le/
+gpgcheck=0
+cost=1900
 
-#exclude=*.i?86
+[c7.1708.00.ppc64le]
+name=c7.1708.00.ppc64le
+baseurl=http://repohost/repo/c7.1708.00.ppc64le/
+gpgcheck=0
+cost=1700
 
-# repos
-[base]
-name=BaseOS
-enabled=1
-baseurl=http://repohost/tmp/mirror/r7b1/
-includepkgs=*.x86_64 *.noarch glibc.i686 glibc-devel.i686 nss-softokn-freebl*.i686
-
-[r7b1]
-name=r7b1
-enabled=1
-baseurl=http://repohost/tmp/repo/r7b1/
-
-[f19]
-name=f19
-enabled=1
-baseurl=http://repohost/tmp/mirror/f19-x86_64/
-includepkgs=gcc-java libgcj
+[c7.1804.00.ppc64le]
+name=c7.1804.00.ppc64le
+baseurl=http://repohost/repo/c7.1804.00.ppc64le/
+gpgcheck=0
+cost=1700
 
+[c7.1804.u.ppc64le]
+name=c7.1804.u.ppc64le
+baseurl=http://repohost/repo/c7.1804.u.ppc64le/
+gpgcheck=0
+cost=1600
+
+[c7.1810.00.ppc64le]
+name=c7.1810.00.ppc64le
+baseurl=http://repohost/repo/c7.1810.00.ppc64le/
+gpgcheck=0
+cost=1700
+
+[c7.1810.u.ppc64le]
+name=c7.1810.u.ppc64le
+baseurl=http://repohost/repo/c7.1810.u.ppc64le/
+gpgcheck=0
+cost=1600
 """
+