diff --git a/src/pdel.lua b/src/pdel.lua
index 210e36a..a159a14 100644
--- a/src/pdel.lua
+++ b/src/pdel.lua
@@ -1,25 +1,19 @@
 --!/usr/bin/env lua
 
-local function deleteKeys (keys)
-  for i, name in ipairs(keys) do
-    redis.call("DEL", name)
-  end
-end
-
-if type(redis.replicate_commands) == 'function' and redis.replicate_commands() then -- Redis 3.2+
-  local count = 0
-  local cursor = "0"
-  local keys
+if type(redis.replicate_commands) == "function" and redis.replicate_commands() then -- Redis 3.2+
+	local count = 0
+	local cursor = "0"
+	local keys
 
-  repeat
-    cursor, keys = unpack(redis.call("SCAN", cursor, "MATCH", KEYS[1]))
-    count = count + #keys
-    deleteKeys(keys)
-  until cursor == "0"
+	repeat
+		cursor, keys = unpack(redis.call("SCAN", cursor, "MATCH", KEYS[1]))
+		count = count + #keys
+		redis.call("DEL", unpack(keys))
+	until cursor == "0"
 
-  return count
+	return count
 else
-  local keys = redis.call("KEYS", KEYS[1])
-  deleteKeys(keys)
-  return #keys
+	local keys = redis.call("KEYS", KEYS[1])
+	redis.call("DEL", unpack(keys))
+	return #keys
 end