diff --git a/.github/ct-install.yaml b/.github/ct-install.yaml
index ea5522e4d7d..d36d934f57e 100644
--- a/.github/ct-install.yaml
+++ b/.github/ct-install.yaml
@@ -5,8 +5,5 @@ excluded-charts: common
 chart-yaml-schema: .github/chart_schema.yaml
 chart-repos:
 - truecharts=https://truecharts.org
-- postgres-operator-ui=https://raw.githubusercontent.com/zalando/postgres-operator/master/charts/postgres-operator-ui/
-- postgres-operator=https://raw.githubusercontent.com/zalando/postgres-operator/master/charts/postgres-operator/
-- traefik=https://helm.traefik.io/traefik
 - bitnami=https://charts.bitnami.com/bitnami
 SkipExisting: true
diff --git a/.github/ct-lint.yaml b/.github/ct-lint.yaml
index c902dab91dd..d47c7965ced 100644
--- a/.github/ct-lint.yaml
+++ b/.github/ct-lint.yaml
@@ -4,8 +4,5 @@ helm-extra-args: --timeout 600s
 chart-yaml-schema: .github/chart_schema.yaml
 chart-repos:
 - truecharts=https://truecharts.org
-- postgres-operator-ui=https://raw.githubusercontent.com/zalando/postgres-operator/master/charts/postgres-operator-ui/
-- postgres-operator=https://raw.githubusercontent.com/zalando/postgres-operator/master/charts/postgres-operator/
-- traefik=https://helm.traefik.io/traefik
 - bitnami=https://charts.bitnami.com/bitnami
 SkipExisting: true