diff --git a/src/Search/Captures/SearchManipulateCapture_MySQLDatabase.php b/src/Search/Captures/SearchManipulateCapture_MySQLDatabase.php
deleted file mode 100644
index e88f56a..0000000
--- a/src/Search/Captures/SearchManipulateCapture_MySQLDatabase.php
+++ /dev/null
@@ -1,29 +0,0 @@
-<?php
-
-namespace SilverStripe\FullTextSearch\Search\Captures;
-
-use SilverStripe\Dev\Deprecation;
-use SilverStripe\ORM\Connect\MySQLDatabase;
-use SilverStripe\FullTextSearch\Search\Updaters\SearchUpdater;
-
-/**
- * @deprecated 3.1.0 Use tractorcow/silverstripe-proxy-db to proxy the database connector instead
- */
-
-class SearchManipulateCapture_MySQLDatabase extends MySQLDatabase
-{
-
-    public $isManipulationCapture = true;
-
-    public function __construct()
-    {
-        Deprecation::notice('3.1.0', 'Use tractorcow/silverstripe-proxy-db to proxy the database connector instead', Deprecation::SCOPE_CLASS);
-    }
-
-    public function manipulate($manipulation)
-    {
-        $res = parent::manipulate($manipulation);
-        SearchUpdater::handle_manipulation($manipulation);
-        return $res;
-    }
-}
diff --git a/src/Search/Captures/SearchManipulateCapture_PostgreSQLDatabase.php b/src/Search/Captures/SearchManipulateCapture_PostgreSQLDatabase.php
deleted file mode 100644
index 1851c75..0000000
--- a/src/Search/Captures/SearchManipulateCapture_PostgreSQLDatabase.php
+++ /dev/null
@@ -1,31 +0,0 @@
-<?php
-
-namespace SilverStripe\FullTextSearch\Search\Captures;
-
-use SilverStripe\Dev\Deprecation;
-use SilverStripe\PostgreSQL\PostgreSQLDatabase;
-use SilverStripe\FullTextSearch\Search\Updaters\SearchUpdater;
-
-if (!class_exists(PostgreSQLDatabase::class)) {
-    return;
-}
-
-/**
- * @deprecated 3.1.0 Use tractorcow/silverstripe-proxy-db to proxy the database connector instead
- */
-class SearchManipulateCapture_PostgreSQLDatabase extends PostgreSQLDatabase
-{
-    public $isManipulationCapture = true;
-
-    public function __construct()
-    {
-        Deprecation::notice('3.1.0', 'Use tractorcow/silverstripe-proxy-db to proxy the database connector instead', Deprecation::SCOPE_CLASS);
-    }
-
-    public function manipulate($manipulation)
-    {
-        $res = parent::manipulate($manipulation);
-        SearchUpdater::handle_manipulation($manipulation);
-        return $res;
-    }
-}
diff --git a/src/Search/Captures/SearchManipulateCapture_SQLite3Database.php b/src/Search/Captures/SearchManipulateCapture_SQLite3Database.php
deleted file mode 100644
index 5a1232a..0000000
--- a/src/Search/Captures/SearchManipulateCapture_SQLite3Database.php
+++ /dev/null
@@ -1,33 +0,0 @@
-<?php
-
-namespace SilverStripe\FullTextSearch\Search\Captures;
-
-use SilverStripe\Dev\Deprecation;
-use SilverStripe\FullTextSearch\Search\Updaters\SearchUpdater;
-use SilverStripe\SQLite\SQLite3Database;
-
-if (!class_exists(SQLite3Database::class)) {
-    return;
-}
-
-/**
- * @deprecated 3.1.0 Use tractorcow/silverstripe-proxy-db to proxy the database connector instead
- */
-
-class SearchManipulateCapture_SQLite3Database extends SQLite3Database
-{
-
-    public $isManipulationCapture = true;
-
-    public function __construct()
-    {
-        Deprecation::notice('3.1.0', 'Use tractorcow/silverstripe-proxy-db to proxy the database connector instead', Deprecation::SCOPE_CLASS);
-    }
-
-    public function manipulate($manipulation)
-    {
-        $res = parent::manipulate($manipulation);
-        SearchUpdater::handle_manipulation($manipulation);
-        return $res;
-    }
-}
diff --git a/src/Search/Queries/SearchQuery.php b/src/Search/Queries/SearchQuery.php
index 0a86590..d417a2f 100644
--- a/src/Search/Queries/SearchQuery.php
+++ b/src/Search/Queries/SearchQuery.php
@@ -2,7 +2,6 @@
 
 namespace SilverStripe\FullTextSearch\Search\Queries;
 
-use SilverStripe\Dev\Deprecation;
 use SilverStripe\FullTextSearch\Search\Adapters\SearchAdapterInterface;
 use SilverStripe\FullTextSearch\Search\Criteria\SearchCriteria;
 use SilverStripe\FullTextSearch\Search\Criteria\SearchCriteriaInterface;
@@ -282,86 +281,6 @@ class SearchQuery extends ViewableData
         return "Search Query\n";
     }
 
-    /**
-     * @codeCoverageIgnore
-     * @deprecated 4.0.0 Use addSearchTerm() instead
-     */
-    public function search($text, $fields = null, $boost = [])
-    {
-        Deprecation::notice('4.0.0', 'Use addSearchTerm() instead');
-        return $this->addSearchTerm($text, $fields, $boost);
-    }
-
-    /**
-     * @codeCoverageIgnore
-     * @deprecated 4.0.0 Use addFuzzySearchTerm() instead
-     */
-    public function fuzzysearch($text, $fields = null, $boost = [])
-    {
-        Deprecation::notice('4.0.0', 'Use addFuzzySearchTerm() instead');
-        return $this->addFuzzySearchTerm($text, $fields, $boost);
-    }
-
-    /**
-     * @codeCoverageIgnore
-     * @deprecated 4.0.0 Use addClassFilter() instead
-     */
-    public function inClass($class, $includeSubclasses = true)
-    {
-        Deprecation::notice('4.0.0', 'Use addClassFilter() instead');
-        return $this->addClassFilter($class, $includeSubclasses);
-    }
-
-    /**
-     * @codeCoverageIgnore
-     * @deprecated 4.0.0 Use addFilter() instead
-     */
-    public function filter($field, $values)
-    {
-        Deprecation::notice('4.0.0', 'Use addFilter() instead');
-        return $this->addFilter($field, $values);
-    }
-
-    /**
-     * @codeCoverageIgnore
-     * @deprecated 4.0.0 Use addExclude() instead
-     */
-    public function exclude($field, $values)
-    {
-        Deprecation::notice('4.0.0', 'Use addExclude() instead');
-        return $this->addExclude($field, $values);
-    }
-
-    /**
-     * @codeCoverageIgnore
-     * @deprecated 4.0.0 Use setStart() instead
-     */
-    public function start($start)
-    {
-        Deprecation::notice('4.0.0', 'Use setStart() instead');
-        return $this->setStart($start);
-    }
-
-    /**
-     * @codeCoverageIgnore
-     * @deprecated 4.0.0 Use setLimit() instead
-     */
-    public function limit($limit)
-    {
-        Deprecation::notice('4.0.0', 'Use setLimit() instead');
-        return $this->setLimit($limit);
-    }
-
-    /**
-     * @codeCoverageIgnore
-     * @deprecated 4.0.0 Use setPageSize() instead
-     */
-    public function page($page)
-    {
-        Deprecation::notice('4.0.0', 'Use setPageSize() instead');
-        return $this->setPageSize($page);
-    }
-
     /**
      * @return SearchCriteriaInterface[]
      */
diff --git a/src/Search/Queries/SearchQuery_Range.php b/src/Search/Queries/SearchQuery_Range.php
index 0b4f4f9..b73a386 100644
--- a/src/Search/Queries/SearchQuery_Range.php
+++ b/src/Search/Queries/SearchQuery_Range.php
@@ -3,7 +3,6 @@
 namespace SilverStripe\FullTextSearch\Search\Queries;
 
 use SilverStripe\Core\Injector\Injectable;
-use SilverStripe\Dev\Deprecation;
 
 /**
  * Create one of these and pass as one of the values in filter or exclude to filter or exclude by a (possibly
@@ -38,24 +37,4 @@ class SearchQuery_Range
     {
         return $this->start !== null || $this->end !== null;
     }
-
-    /**
-     * @deprecated 4.0.0 Use setStart() instead
-     * @codeCoverageIgnore
-     */
-    public function start($start)
-    {
-        Deprecation::notice('4.0.0', 'Use setStart() instead');
-        return $this->setStart($start);
-    }
-
-    /**
-     * @deprecated 4.0.0 Use setEnd() instead
-     * @codeCoverageIgnore
-     */
-    public function end($end)
-    {
-        Deprecation::notice('4.0.0', 'Use setEnd() instead');
-        return $this->setEnd($end);
-    }
 }