diff --git a/libnm-core/nm-setting-ip6-config.c b/libnm-core/nm-setting-ip6-config.c
index 7e3ae4d4da..619e002ca8 100644
--- a/libnm-core/nm-setting-ip6-config.c
+++ b/libnm-core/nm-setting-ip6-config.c
@@ -130,7 +130,6 @@ verify (NMSetting *setting, NMConnection *connection, GError **error)
 			g_set_error (error,
 			             NM_CONNECTION_ERROR,
 			             NM_CONNECTION_ERROR_INVALID_PROPERTY,
-			             _("'%s' not allowed for %s=%s"),
 			             _("this property is not allowed for '%s=%s'"),
 			             NM_SETTING_IP_CONFIG_METHOD, method);
 			g_prefix_error (error, "%s.%s: ", NM_SETTING_IP6_CONFIG_SETTING_NAME, NM_SETTING_IP_CONFIG_DNS);
diff --git a/libnm-util/nm-setting-ip6-config.c b/libnm-util/nm-setting-ip6-config.c
index 4e69a0727c..b929ebace1 100644
--- a/libnm-util/nm-setting-ip6-config.c
+++ b/libnm-util/nm-setting-ip6-config.c
@@ -854,7 +854,6 @@ verify (NMSetting *setting, GSList *all_settings, GError **error)
 			g_set_error (error,
 			             NM_SETTING_IP6_CONFIG_ERROR,
 			             NM_SETTING_IP6_CONFIG_ERROR_NOT_ALLOWED_FOR_METHOD,
-			             _("'%s' not allowed for %s=%s"),
 			             _("this property is not allowed for '%s=%s'"),
 			             NM_SETTING_IP6_CONFIG_METHOD, priv->method);
 			g_prefix_error (error, "%s.%s: ", NM_SETTING_IP6_CONFIG_SETTING_NAME, NM_SETTING_IP6_CONFIG_DNS);