delete.lua in sidekiq-unique-jobs-6.0.0.rc7

- old
+ new

@@ -1,11 +1,13 @@
 local exists_key    = KEYS[1]
 local grabbed_key   = KEYS[2]
 local available_key = KEYS[3]
 local version_key   = KEYS[4]
-local unique_digest = KEYS[5]     -- TODO: Legacy support (Remove in v6.1)
+local unique_keys   = KEYS[5]
+local unique_digest = KEYS[6]     -- TODO: Legacy support (Remove in v6.1)
 
 redis.call('DEL', exists_key)
+redis.call('SREM', unique_keys, unique_digest)
 redis.call('DEL', grabbed_key)
 redis.call('DEL', available_key)
 redis.call('DEL', version_key)
 redis.call('DEL', 'uniquejobs')   -- TODO: Old job hash, just drop the darn thing
 redis.call('DEL', unique_digest)  -- TODO: Legacy support (Remove in v6.1)