diff --git a/core/lib/Drupal/Core/Config/Schema/SchemaCheckTrait.php b/core/lib/Drupal/Core/Config/Schema/SchemaCheckTrait.php
index 0836eaf..4d2bd11 100644
--- a/core/lib/Drupal/Core/Config/Schema/SchemaCheckTrait.php
+++ b/core/lib/Drupal/Core/Config/Schema/SchemaCheckTrait.php
@@ -94,7 +94,8 @@ protected function checkValue($key, $value) {
       if ($element instanceof PrimitiveInterface) {
         $success =
           ($type == 'integer' && $element instanceof IntegerInterface) ||
-          ($type == 'double' && $element instanceof FloatInterface) ||
+          // Allow integer values in a float field.
+          (($type == 'double' || $type == 'integer') && $element instanceof FloatInterface) ||
           ($type == 'boolean' && $element instanceof BooleanInterface) ||
           ($type == 'string' && $element instanceof StringInterface) ||
           // Null values are allowed for all types.
diff --git a/core/modules/config/tests/config_test/config/install/config_test.types.yml b/core/modules/config/tests/config_test/config/install/config_test.types.yml
index 4ab2cdc..060a2b0 100644
--- a/core/modules/config/tests/config_test/config/install/config_test.types.yml
+++ b/core/modules/config/tests/config_test/config/install/config_test.types.yml
@@ -2,6 +2,7 @@ array: []
 boolean: true
 exp: 1.2e+34
 float: 3.14159
+float_as_integer: 1
 hex: 0xC
 int: 99
 octal: 0775
diff --git a/core/modules/config/tests/config_test/config/schema/config_test.schema.yml b/core/modules/config/tests/config_test/config/schema/config_test.schema.yml
index 80dc9fb..a557789 100644
--- a/core/modules/config/tests/config_test/config/schema/config_test.schema.yml
+++ b/core/modules/config/tests/config_test/config/schema/config_test.schema.yml
@@ -68,6 +68,9 @@ config_test.types:
     float:
       type: float
       label: 'Float'
+    float_as_integer:
+      type: float
+      label: 'Float'
     exp:
       type: float
       label: 'Exponential'
diff --git a/core/modules/options/tests/options_config_install_test/config/install/core.entity_form_display.node.options_install_test.default.yml b/core/modules/options/tests/options_config_install_test/config/install/core.entity_form_display.node.options_install_test.default.yml
index 24ef602..fa50c85 100644
--- a/core/modules/options/tests/options_config_install_test/config/install/core.entity_form_display.node.options_install_test.default.yml
+++ b/core/modules/options/tests/options_config_install_test/config/install/core.entity_form_display.node.options_install_test.default.yml
@@ -13,7 +13,7 @@ bundle: options_install_test
 mode: default
 content:
   title:
-    type: string
+    type: string_textfield
     weight: -5
     settings:
       size: 60
diff --git a/core/modules/options/tests/options_config_install_test/config/install/field.instance.node.options_install_test.body.yml b/core/modules/options/tests/options_config_install_test/config/install/field.instance.node.options_install_test.body.yml
index a5921fc..e206ebb 100644
--- a/core/modules/options/tests/options_config_install_test/config/install/field.instance.node.options_install_test.body.yml
+++ b/core/modules/options/tests/options_config_install_test/config/install/field.instance.node.options_install_test.body.yml
@@ -16,6 +16,5 @@ default_value: {  }
 default_value_function: ''
 settings:
   display_summary: true
-  text_processing: true
 third_party_settings: {  }
 field_type: text_with_summary