diff --git a/roles/copr/backend/files/provision/files/mock/templates/centos-6.tpl b/roles/copr/backend/files/provision/files/mock/templates/centos-6.tpl
index 81b0f46baf..a621870d67 100644
--- a/roles/copr/backend/files/provision/files/mock/templates/centos-6.tpl
+++ b/roles/copr/backend/files/provision/files/mock/templates/centos-6.tpl
@@ -36,7 +36,6 @@ enabled=1
 baseurl=https://vault.centos.org/6.10/os/$basearch/
 failovermethod=priority
 gpgkey=file:///usr/share/distribution-gpg-keys/centos/RPM-GPG-KEY-CentOS-6
-gpgcheck=1
 skip_if_unavailable=False
 
 [updates]
@@ -45,7 +44,6 @@ enabled=0
 baseurl=https://vault.centos.org/6.10/updates/$basearch/
 failovermethod=priority
 gpgkey=file:///usr/share/distribution-gpg-keys/centos/RPM-GPG-KEY-CentOS-6
-gpgcheck=1
 skip_if_unavailable=False
 
 [extras]
@@ -53,7 +51,6 @@ name=CentOS-$releasever - Extras
 baseurl=https://vault.centos.org/6.10/extras/$basearch/
 failovermethod=priority
 gpgkey=file:///usr/share/distribution-gpg-keys/centos/RPM-GPG-KEY-CentOS-6
-gpgcheck=1
 skip_if_unavailable=False
 
 [fastrack]
@@ -61,7 +58,6 @@ name=CentOS-$releasever - fasttrack
 baseurl=https://vault.centos.org/6.10/fasttrack/$basearch/
 failovermethod=priority
 gpgkey=file:///usr/share/distribution-gpg-keys/centos/RPM-GPG-KEY-CentOS-6
-gpgcheck=1
 skip_if_unavailable=False
 enabled=0
 
@@ -69,7 +65,6 @@ enabled=0
 name=CentOS-$releasever - Plus
 baseurl=https://vault.centos.org/6.10/centosplus/$basearch/
 gpgkey=file:///usr/share/distribution-gpg-keys/centos/RPM-GPG-KEY-CentOS-6
-gpgcheck=1
 enabled=0
 
 {% if target_arch == "x86_64" %}
@@ -77,7 +72,6 @@ enabled=0
 name=CentOS-$releasever - SCLo sclo
 baseurl=https://vault.centos.org/6.10/sclo/$basearch/sclo/
 gpgkey=file:///usr/share/distribution-gpg-keys/centos/RPM-GPG-KEY-CentOS-SIG-SCLo
-gpgcheck=1
 includepkgs=devtoolset*
 skip_if_unavailable=False
 
@@ -85,7 +79,6 @@ skip_if_unavailable=False
 name=CentOS-$releasever - SCLo rh
 baseurl=https://vault.centos.org/6.10/sclo/$basearch/rh/
 gpgkey=file:///usr/share/distribution-gpg-keys/centos/RPM-GPG-KEY-CentOS-SIG-SCLo
-gpgcheck=1
 includepkgs=devtoolset*
 skip_if_unavailable=False
 {% endif %}