diff --git a/mock/c7-devtoolset-7.ppc.cfg b/mock/c7-devtoolset-7.ppc.cfg
index 0bc5fe0..a02f763 100644
--- a/mock/c7-devtoolset-7.ppc.cfg
+++ b/mock/c7-devtoolset-7.ppc.cfg
@@ -28,7 +28,7 @@ gpgcheck=0
 assumeyes=1
 syslog_ident=mock
 syslog_device=
-exclude=*.ppc64
+exclude=*.ppc64 gdb-headless
 
 # repos
 [c7-extras.ppc]
diff --git a/mock/c7-devtoolset-7.ppc64.cfg b/mock/c7-devtoolset-7.ppc64.cfg
index 4ae481c..58cb698 100644
--- a/mock/c7-devtoolset-7.ppc64.cfg
+++ b/mock/c7-devtoolset-7.ppc64.cfg
@@ -28,7 +28,7 @@ gpgcheck=0
 assumeyes=1
 syslog_ident=mock
 syslog_device=
-exclude=glibc64*.ppc
+exclude=glibc64*.ppc gdb-headless
 # repos
 [c7-extras.ppc64]
 name=c7-extras.ppc64