diff --git a/phpBB/includes/functions.php b/phpBB/includes/functions.php
index d2d5b503a2..c1f77a817b 100644
--- a/phpBB/includes/functions.php
+++ b/phpBB/includes/functions.php
@@ -263,18 +263,6 @@ function still_on_time($extra_time = 15)
 	return (ceil($current_time - $start_time) < $max_execution_time) ? true : false;
 }
 
-/**
-* Hashes an email address to a big integer
-*
-* @param string $email		Email address
-*
-* @return string			Unsigned Big Integer
-*/
-function phpbb_email_hash($email)
-{
-	return sprintf('%u', crc32(strtolower($email))) . strlen($email);
-}
-
 /**
 * Wrapper for version_compare() that allows using uppercase A and B
 * for alpha and beta releases.
diff --git a/phpBB/includes/functions_compatibility.php b/phpBB/includes/functions_compatibility.php
index 2578290875..92e24c055c 100644
--- a/phpBB/includes/functions_compatibility.php
+++ b/phpBB/includes/functions_compatibility.php
@@ -659,3 +659,17 @@ function phpbb_inet_pton($address)
 {
 	return inet_pton($address);
 }
+
+/**
+ * Hashes an email address to a big integer
+ *
+ * @param string $email		Email address
+ *
+ * @return string			Unsigned Big Integer
+ *
+ * @deprecated 3.3.0-b2 (To be removed: 4.0.0)
+ */
+function phpbb_email_hash($email)
+{
+	return sprintf('%u', crc32(strtolower($email))) . strlen($email);
+}
diff --git a/phpBB/includes/functions_convert.php b/phpBB/includes/functions_convert.php
index 13e01afe51..df4c9b1875 100644
--- a/phpBB/includes/functions_convert.php
+++ b/phpBB/includes/functions_convert.php
@@ -206,16 +206,6 @@ function get_group_id($group_name)
 	return $group_mapping['REGISTERED'];
 }
 
-/**
-* Generate the email hash stored in the users table
-*
-* Note: Deprecated, calls should directly go to phpbb_email_hash()
-*/
-function gen_email_hash($email)
-{
-	return phpbb_email_hash($email);
-}
-
 /**
 * Convert a boolean into the appropriate phpBB constant indicating whether the topic is locked
 */