diff --git a/core/modules/layout_builder/src/DefaultsSectionStorageInterface.php b/core/modules/layout_builder/src/DefaultsSectionStorageInterface.php
index a21005a02e214f4ffbcf2c422518cce895c633e4..4fdb7393fe9e961af5b36481d2ae0d2cb5972400 100644
--- a/core/modules/layout_builder/src/DefaultsSectionStorageInterface.php
+++ b/core/modules/layout_builder/src/DefaultsSectionStorageInterface.php
@@ -6,27 +6,5 @@
 
 /**
  * Defines an interface for an object that stores layout sections for defaults.
- *
- * @todo Refactor this interface in https://www.drupal.org/node/2985362.
  */
-interface DefaultsSectionStorageInterface extends SectionStorageInterface, ThirdPartySettingsInterface, LayoutBuilderEnabledInterface {
-
-  /**
-   * Determines if the defaults allow custom overrides.
-   *
-   * @return bool
-   *   TRUE if custom overrides are allowed, FALSE otherwise.
-   */
-  public function isOverridable();
-
-  /**
-   * Sets the defaults to allow or disallow overrides.
-   *
-   * @param bool $overridable
-   *   TRUE if the display should allow overrides, FALSE otherwise.
-   *
-   * @return $this
-   */
-  public function setOverridable($overridable = TRUE);
-
-}
+interface DefaultsSectionStorageInterface extends SectionStorageInterface, ThirdPartySettingsInterface, LayoutBuilderEnabledInterface, LayoutBuilderOverridableInterface {}
diff --git a/core/modules/layout_builder/src/Entity/LayoutEntityDisplayInterface.php b/core/modules/layout_builder/src/Entity/LayoutEntityDisplayInterface.php
index 0122c39955b44f7506052779ebd146e3a144df91..c172c23db79164bcb08348ad841985f0f25f4f1c 100644
--- a/core/modules/layout_builder/src/Entity/LayoutEntityDisplayInterface.php
+++ b/core/modules/layout_builder/src/Entity/LayoutEntityDisplayInterface.php
@@ -5,30 +5,9 @@
 use Drupal\Core\Entity\Display\EntityDisplayInterface;
 use Drupal\layout_builder\LayoutBuilderEnabledInterface;
 use Drupal\layout_builder\SectionListInterface;
+use Drupal\layout_builder\LayoutBuilderOverridableInterface;
 
 /**
  * Provides an interface for entity displays that have layout.
- *
- * @todo Refactor this interface in https://www.drupal.org/node/2985362.
  */
-interface LayoutEntityDisplayInterface extends EntityDisplayInterface, SectionListInterface, LayoutBuilderEnabledInterface {
-
-  /**
-   * Determines if the display allows custom overrides.
-   *
-   * @return bool
-   *   TRUE if custom overrides are allowed, FALSE otherwise.
-   */
-  public function isOverridable();
-
-  /**
-   * Sets the display to allow or disallow overrides.
-   *
-   * @param bool $overridable
-   *   TRUE if the display should allow overrides, FALSE otherwise.
-   *
-   * @return $this
-   */
-  public function setOverridable($overridable = TRUE);
-
-}
+interface LayoutEntityDisplayInterface extends EntityDisplayInterface, SectionListInterface, LayoutBuilderEnabledInterface, LayoutBuilderOverridableInterface {}
diff --git a/core/modules/layout_builder/src/LayoutBuilderOverridableInterface.php b/core/modules/layout_builder/src/LayoutBuilderOverridableInterface.php
new file mode 100644
index 0000000000000000000000000000000000000000..d3981984fd4917a9a6a8c4ac7258aeb503425149
--- /dev/null
+++ b/core/modules/layout_builder/src/LayoutBuilderOverridableInterface.php
@@ -0,0 +1,28 @@
+<?php
+
+namespace Drupal\layout_builder;
+
+/**
+ * Provides an interface for displays that could be overridable.
+ */
+interface LayoutBuilderOverridableInterface {
+
+  /**
+   * Determines if the display allows custom overrides.
+   *
+   * @return bool
+   *   TRUE if custom overrides are allowed, FALSE otherwise.
+   */
+  public function isOverridable();
+
+  /**
+   * Sets the display to allow or disallow overrides.
+   *
+   * @param bool $overridable
+   *   TRUE if the display should allow overrides, FALSE otherwise.
+   *
+   * @return $this
+   */
+  public function setOverridable($overridable = TRUE);
+
+}