diff --git a/scouter/activities/redis.py b/scouter/activities/redis.py
index 1083d27..5aea18e 100644
--- a/scouter/activities/redis.py
+++ b/scouter/activities/redis.py
@@ -55,7 +55,7 @@ class Redis(RedisBase):
             metadata=metadata
         )
 
-        self.set(key, last_data_timestamp, ttl=input_data['retention_time'])
+        self.set(key, last_data_timestamp)
 
         return last_data_timestamp