diff --git a/phpBB/includes/functions_admin.php b/phpBB/includes/functions_admin.php
index 3ebd6682a9..5d19cd7adb 100644
--- a/phpBB/includes/functions_admin.php
+++ b/phpBB/includes/functions_admin.php
@@ -2291,21 +2291,6 @@ function auto_prune($forum_id, $prune_mode, $prune_flags, $prune_days, $prune_fr
 	return;
 }
 
-/**
-* remove_comments will strip the sql comment lines out of an uploaded sql file
-* specifically for mssql and postgres type files in the install....
-*
-* @deprecated		Use phpbb_remove_comments() instead.
-*/
-function remove_comments(&$output)
-{
-	// Remove /* */ comments (http://ostermiller.org/findcomment.html)
-	$output = preg_replace('#/\*(.|[\r\n])*?\*/#', "\n", $output);
-
-	// Return by reference and value.
-	return $output;
-}
-
 /**
 * Cache moderators, called whenever permissions are changed via admin_permissions. Changes of username
 * and group names must be carried through for the moderators table
diff --git a/phpBB/includes/functions_install.php b/phpBB/includes/functions_install.php
index 80f2bf940d..18e73adff9 100644
--- a/phpBB/includes/functions_install.php
+++ b/phpBB/includes/functions_install.php
@@ -471,19 +471,6 @@ function connect_check_db($error_connect, &$error, $dbms_details, $table_prefix,
 	return false;
 }
 
-/**
-* Removes comments from schema files
-*
-* @deprecated		Use phpbb_remove_comments() instead.
-*/
-function remove_remarks(&$sql)
-{
-	// Remove # style comments
-	$sql = preg_replace('/\n{2,}/', "\n", preg_replace('/^#.*$/m', "\n", $sql));
-
-	// Return by reference
-}
-
 /**
 * Removes "/* style" as well as "# style" comments from $input.
 *
@@ -493,17 +480,11 @@ function remove_remarks(&$sql)
 */
 function phpbb_remove_comments($input)
 {
-	if (!function_exists('remove_comments'))
-	{
-		global $phpbb_root_path, $phpEx;
-		require($phpbb_root_path . 'includes/functions_admin.' . $phpEx);
-	}
-
-	// Remove /* */ comments
-	remove_comments($input);
+	// Remove /* */ comments (http://ostermiller.org/findcomment.html)
+	$input = preg_replace('#/\*(.|[\r\n])*?\*/#', "\n", $input);
 
 	// Remove # style comments
-	remove_remarks($input);
+	$input = preg_replace('/\n{2,}/', "\n", preg_replace('/^#.*$/m', "\n", $input));
 
 	return $input;
 }