diff --git a/core/modules/filter/filter.api.php b/core/modules/filter/filter.api.php
index 2f74172..8d6aa01 100644
--- a/core/modules/filter/filter.api.php
+++ b/core/modules/filter/filter.api.php
@@ -24,43 +24,10 @@ function hook_filter_info_alter(&$info) {
 }
 
 /**
- * Perform actions when a new text format has been created.
- *
- * @param $format
- *   The format object of the format being updated.
- *
- * @see hook_filter_format_update()
- * @see hook_filter_format_disable()
- */
-function hook_filter_format_insert($format) {
-  mymodule_cache_rebuild();
-}
-
-/**
- * Perform actions when a text format has been updated.
- *
- * This hook allows modules to act when a text format has been updated in any
- * way. For example, when filters have been reconfigured, disabled, or
- * re-arranged in the text format.
- *
- * @param $format
- *   The format object of the format being updated.
- *
- * @see hook_filter_format_insert()
- * @see hook_filter_format_disable()
- */
-function hook_filter_format_update($format) {
-  mymodule_cache_rebuild();
-}
-
-/**
  * Perform actions when a text format has been disabled.
  *
  * @param $format
  *   The format object of the format being disabled.
- *
- * @see hook_filter_format_insert()
- * @see hook_filter_format_update()
  */
 function hook_filter_format_disable($format) {
   mymodule_cache_rebuild();
diff --git a/core/modules/filter/filter.install b/core/modules/filter/filter.install
index 4dff8be..af2e6ae 100644
--- a/core/modules/filter/filter.install
+++ b/core/modules/filter/filter.install
@@ -3,13 +3,19 @@
 /**
  * @file
  * Install, update, and uninstall functions for the Filter module.
+ *
+ * All sites require at least one text format (the fallback format) that all
+ * users have access to, so add it here. We initialize it as a simple, safe
+ * plain text format with very basic formatting, but it can be modified by
+ * installation profiles to have other properties.
+ *
+ * @see core/modules/filter/config/filter.format.plain_text.yml
  */
 
 /**
  * Implements hook_schema().
  */
 function filter_schema() {
-
   $schema['cache_filter'] = drupal_get_schema_unprocessed('system', 'cache');
   $schema['cache_filter']['description'] = 'Cache table for the Filter module to store already filtered pieces of text, identified by text format and hash of the text.';
 
@@ -17,17 +23,6 @@ function filter_schema() {
 }
 
 /**
- * Implements hook_install().
- */
-function filter_install() {
-  // All sites require at least one text format (the fallback format) that all
-  // users have access to, so add it here. We initialize it as a simple, safe
-  // plain text format with very basic formatting, but it can be modified by
-  // installation profiles to have other properties.
-  // See core/modules/filter/config/filter.format.plain_text.yml.
-}
-
-/**
  * @addtogroup updates-7.x-to-8.x
  * @{
  */