diff --git a/core/modules/config/lib/Drupal/config/Tests/ConfigSchemaTest.php b/core/modules/config/lib/Drupal/config/Tests/ConfigSchemaTest.php
index 1ac6573..173955f 100644
--- a/core/modules/config/lib/Drupal/config/Tests/ConfigSchemaTest.php
+++ b/core/modules/config/lib/Drupal/config/Tests/ConfigSchemaTest.php
@@ -68,15 +68,15 @@ function testSchemaMapping() {
     $definition = $config['testitem']->getDataDefinition();
     $expected = array();
     $expected['label'] = 'Test item';
-    $expected['class'] = '\Drupal\Core\TypedData\Plugin\DataType\String';
-    $expected['type'] = 'string';
-    $this->assertEqual($definition, $expected, 'Automatic type detection on string item worked.');
+    $expected['class'] = '\Drupal\Core\Config\Schema\Property';
+    $expected['type'] = 'undefined';
+    $this->assertEqual($definition, $expected, 'Automatic type detected for a scalar is undefined.');
     $definition = $config['testlist']->getDataDefinition();
     $expected = array();
     $expected['label'] = 'Test list';
     $expected['class'] = '\Drupal\Core\Config\Schema\Property';
     $expected['type'] = 'undefined';
-    $this->assertEqual($definition, $expected, 'Automatic type fallback on non-string item worked.');
+    $this->assertEqual($definition, $expected, 'Automatic type detected for a list is undefined.');
 
     // Simple case, straight metadata.
     $definition = \Drupal::service('config.typed')->getDefinition('system.maintenance');
diff --git a/core/modules/views/config/schema/views.data_types.schema.yml b/core/modules/views/config/schema/views.data_types.schema.yml
index efbf369..f29da85 100644
--- a/core/modules/views/config/schema/views.data_types.schema.yml
+++ b/core/modules/views/config/schema/views.data_types.schema.yml
@@ -20,21 +20,25 @@ views_display:
       label: 'Pager'
       mapping:
         type:
+          type: string
           label: 'Pager type'
         options:
           type: views.pager.[%parent.type]
         provider:
+          type: string
           label: 'Provider'
     exposed_form:
       type: mapping
       label: 'Exposed form'
       mapping:
         type:
+          type: string
           label: 'Exposed form type'
         options:
           label: 'Options'
           type: views.exposed_form.[%parent.type]
         provider:
+          type: string
           label: 'Provider'
     access:
       type: mapping
@@ -46,14 +50,17 @@ views_display:
         options:
           type: views.access.[%parent.type]
         provider:
+          type: string
           label: 'Provider'
     cache:
       type: views.cache.[type]
       label: 'Caching'
       mapping:
         type:
+          type: string
           label: 'Cache type'
         provider:
+          type: string
           label: 'Provider'
     empty:
       type: sequence
@@ -93,20 +100,24 @@ views_display:
       label: 'Format'
       mapping:
         type:
+          type: string
           label: 'Type'
         options:
           type: views.style.[%parent.type]
         provider:
+          type: string
           label: 'Provider'
     row:
       type: mapping
       label: 'Row'
       mapping:
         type:
+          type: string
           label: 'Row type'
         options:
           type: views.row.[%parent.type]
         provider:
+          type: string
           label: 'Provider'
     query:
       type: mapping
@@ -118,6 +129,7 @@ views_display:
         options:
           type: views.query.[%parent.type]
         provider:
+          type: string
           label: 'Provider'
     defaults:
       type: mapping
diff --git a/core/modules/views/config/schema/views.schema.yml b/core/modules/views/config/schema/views.schema.yml
index a2ad5c0..9a165cc 100644
--- a/core/modules/views/config/schema/views.schema.yml
+++ b/core/modules/views/config/schema/views.schema.yml
@@ -79,24 +79,31 @@ views.view.*:
       type: boolean
       label: 'Status'
     module:
+      type: string
       label: 'Module'
     id:
+      type: string
       label: 'Machine name'
     description:
       type: text
       label: 'Administrative description'
     tag:
+      type: string
       label: 'Tag'
     base_table:
+      type: string
       label: 'Base table'
     base_field:
+      type: string
       label: 'Base field'
     label:
       type: label
       label: 'Human readable name'
     core:
+      type: string
       label: 'Drupal version'
     uuid:
+      type: string
       label: 'UUID'
     display:
       type: sequence
@@ -106,11 +113,13 @@ views.view.*:
           label: 'Display settings'
           mapping:
             id:
+              type: string
               label: 'Machine name'
             display_title:
               type: text
               label: 'Title'
             display_plugin:
+              type: string
               label: 'Display plugin'
             position:
               type: integer