diff --git a/phpBB/includes/functions_compatibility.php b/phpBB/includes/functions_compatibility.php
index c5ca053f56..85ec1bd449 100644
--- a/phpBB/includes/functions_compatibility.php
+++ b/phpBB/includes/functions_compatibility.php
@@ -19,34 +19,6 @@ if (!defined('IN_PHPBB'))
 	exit;
 }
 
-/**
-* Get user avatar
-*
-* @deprecated 3.1.0-a1 (To be removed: 4.0.0)
-*
-* @param string $avatar Users assigned avatar name
-* @param int $avatar_type Type of avatar
-* @param string $avatar_width Width of users avatar
-* @param string $avatar_height Height of users avatar
-* @param string $alt Optional language string for alt tag within image, can be a language key or text
-* @param bool $ignore_config Ignores the config-setting, to be still able to view the avatar in the UCP
-* @param bool $lazy If true, will be lazy loaded (requires JS)
-*
-* @return string Avatar image
-*/
-function get_user_avatar($avatar, $avatar_type, $avatar_width, $avatar_height, $alt = 'USER_AVATAR', $ignore_config = false, $lazy = false)
-{
-	// map arguments to new function phpbb_get_avatar()
-	$row = array(
-		'avatar'		=> $avatar,
-		'avatar_type'	=> $avatar_type,
-		'avatar_width'	=> $avatar_width,
-		'avatar_height'	=> $avatar_height,
-	);
-
-	return phpbb_get_avatar($row, $alt, $ignore_config, $lazy);
-}
-
 /**
 * Hash the password
 *