diff --git a/phpBB/install/database_update.php b/phpBB/install/database_update.php
index 5cf01fec79..8016ff349b 100644
--- a/phpBB/install/database_update.php
+++ b/phpBB/install/database_update.php
@@ -181,17 +181,9 @@ $phpbb_extension_manager = $phpbb_container->get('ext.manager');
 $migrations = $phpbb_extension_manager
 	->get_finder()
 	->core_path('phpbb/db/migration/data/')
-	->extension_directory('/migration')
-	->get_classes();
-
-// @deprecated 3.1.0-RC4 (To be removed: 3.2.0)
-$migrations_deprecated = $phpbb_extension_manager
-	->get_finder()
 	->extension_directory('/migrations')
 	->get_classes();
 
-$migrations = array_merge($migrations, $migrations_deprecated);
-
 $migrator->set_migrations($migrations);
 
 // What is a safe limit of execution time? Half the max execution time should be safe.
diff --git a/phpBB/phpbb/console/command/db/migrate.php b/phpBB/phpbb/console/command/db/migrate.php
index 68638a9515..86545c237d 100644
--- a/phpBB/phpbb/console/command/db/migrate.php
+++ b/phpBB/phpbb/console/command/db/migrate.php
@@ -117,17 +117,9 @@ class migrate extends \phpbb\console\command\command
 		$migrations = $this->extension_manager
 			->get_finder()
 			->core_path('phpbb/db/migration/data/')
-			->extension_directory('/migration')
-			->get_classes();
-
-		// @deprecated 3.1.0-RC4 (To be removed: 3.2.0)
-		$migrations_deprecated = $this->extension_manager
-			->get_finder()
 			->extension_directory('/migrations')
 			->get_classes();
 
-		$migrations = array_merge($migrations, $migrations_deprecated);
-
 		$this->migrator->set_migrations($migrations);
 	}
 
diff --git a/phpBB/phpbb/extension/base.php b/phpBB/phpbb/extension/base.php
index b74026e6ab..5bb530bad4 100644
--- a/phpBB/phpbb/extension/base.php
+++ b/phpBB/phpbb/extension/base.php
@@ -132,20 +132,11 @@ class base implements \phpbb\extension\extension_interface
 
 		// Only have the finder search in this extension path directory
 		$migrations = $this->extension_finder
-			->extension_directory('/migration')
+			->extension_directory('/migrations')
 			->find_from_extension($this->extension_name, $this->extension_path);
 
 		$migrations = $this->extension_finder->get_classes_from_files($migrations);
 
-		// @deprecated 3.1.0-RC4 (To be removed: 3.2.0)
-		$migrations_deprecated = $this->extension_finder
-			->extension_directory('/migrations')
-			->find_from_extension($this->extension_name, $this->extension_path);
-
-		$migrations_deprecated = $this->extension_finder->get_classes_from_files($migrations_deprecated);
-
-		$migrations = array_merge($migrations, $migrations_deprecated);
-
 		return $migrations;
 	}
 }
diff --git a/tests/test_framework/phpbb_database_test_case.php b/tests/test_framework/phpbb_database_test_case.php
index 6b19689b2f..0eeb52443c 100644
--- a/tests/test_framework/phpbb_database_test_case.php
+++ b/tests/test_framework/phpbb_database_test_case.php
@@ -71,19 +71,10 @@ abstract class phpbb_database_test_case extends PHPUnit_Extensions_Database_Test
 				$finder = new \phpbb\finder(new \phpbb\filesystem(), $phpbb_root_path, null, $phpEx);
 				$classes = $finder->core_path('phpbb/')
 					->core_directory('db/migration/data/')
-					->set_extensions($setup_extensions)
-					->extension_directory('/migration')
-					->get_classes();
-
-				// @deprecated 3.1.0-RC4 (To be removed: 3.2.0)
-				$finder = new \phpbb\finder(new \phpbb\filesystem(), $phpbb_root_path, null, $phpEx);
-				$classes_deprecated = $finder
 					->set_extensions($setup_extensions)
 					->extension_directory('/migrations')
 					->get_classes();
 
-				$classes = array_merge($classes, $classes_deprecated);
-
 				$db = new \phpbb\db\driver\sqlite();
 				$schema_generator = new \phpbb\db\migration\schema_generator($classes, new \phpbb\config\config(array()), $db, new \phpbb\db\tools($db, true), $phpbb_root_path, $phpEx, $table_prefix);
 				$schema_data = $schema_generator->get_schema();