diff --git a/mock/c7.1810.u.ppc64le.cfg b/mock/c7.1810.u.ppc64le.cfg
index 1842a69..ad81ca8 100644
--- a/mock/c7.1810.u.ppc64le.cfg
+++ b/mock/c7.1810.u.ppc64le.cfg
@@ -31,6 +31,8 @@ assumeyes=1
 syslog_ident=mock
 syslog_device=
 
+exclude=kernel-*4.14.0* *perf*4.14.0*
+
 # repos
 [c7.1708.u.ppc64le]
 name=c7.1708.u.ppc64le