diff --git a/core/lib/Drupal/Core/Config/Schema/SchemaCheckTrait.php b/core/lib/Drupal/Core/Config/Schema/SchemaCheckTrait.php
index 3b3b16d..536a4cb 100644
--- a/core/lib/Drupal/Core/Config/Schema/SchemaCheckTrait.php
+++ b/core/lib/Drupal/Core/Config/Schema/SchemaCheckTrait.php
@@ -82,7 +82,7 @@ protected function checkValue($key, $value) {
     if ($element instanceof Undefined) {
       // @todo Temporary workaround for https://www.drupal.org/node/2224761.
       $key_parts = explode('.', $key);
-      if (array_pop($key_parts) == 'translation_sync') {
+      if (array_pop($key_parts) == 'translation_sync' && strpos($this->configName, 'field.') === 0) {
         return array();
       }
       return array($error_key => 'Missing schema.');
diff --git a/core/modules/config/src/Tests/ConfigImportAllTest.php b/core/modules/config/src/Tests/ConfigImportAllTest.php
index 43e3efc..07c9567 100644
--- a/core/modules/config/src/Tests/ConfigImportAllTest.php
+++ b/core/modules/config/src/Tests/ConfigImportAllTest.php
@@ -126,6 +126,9 @@ public function testInstallUninstall() {
     );
     $this->assertIdentical($storage_comparer->createChangelist()->getChangelist(), $storage_comparer->getEmptyChangelist());
 
+    // Now we have all configuration imported, test all of them for schema
+    // conformance. Ensures all imported default configuration is valid when
+    // all modules are enabled.
     $names = $this->container->get('config.storage')->listAll();
     $factory = $this->container->get('config.factory');
     /** @var \Drupal\Core\Config\TypedConfigManagerInterface $typed_config */
diff --git a/core/modules/migrate/config/schema/migrate.schema.yml b/core/modules/migrate/config/schema/migrate.schema.yml
index 8f4c2eb..cdca049 100644
--- a/core/modules/migrate/config/schema/migrate.schema.yml
+++ b/core/modules/migrate/config/schema/migrate.schema.yml
@@ -38,27 +38,3 @@ migrate.migration.*:
           sequence:
             - type: string
               label: 'Dependency'
-    row:
-      type: ignore
-      label: 'Row'
-    idMap:
-      type: ignore
-      label: 'ID Map'
-    sourceIds:
-      type: ignore
-      label: 'Source IDs'
-    destinationIds:
-      type: ignore
-      label: 'Destination IDs'
-    highwaterProperty:
-      type: ignore
-      label: 'Property'
-    systemOfRecord:
-      type: ignore
-      label: 'System of record'
-    sourceRowStatus:
-      type: ignore
-      label: 'Sourc row status'
-    trackLastImported:
-      type: ignore
-      label: 'Tracked last import'
diff --git a/core/modules/path/config/schema/path.schema.yml b/core/modules/path/config/schema/path.schema.yml
index ebed69c..f595e4b 100644
--- a/core/modules/path/config/schema/path.schema.yml
+++ b/core/modules/path/config/schema/path.schema.yml
@@ -3,3 +3,6 @@
 entity_form_display.field.path:
   type: entity_field_form_display_base
   label: 'Link format settings'
+  mapping:
+    settings:
+      type: sequence