Webacc user polling question

OES 2015.1

We have a few users who do not close their browser/tab that has Webacc open on it. This creates a polling entry in the Apache access_log every 1 second. Is there a way to stop this behavior? Here's the entry: ip address - - [08/Sep/2016:10:31:31 -0400] "GET /gw/webacc/poll?User.context=946c281b68eadb722d4219dd97d5ad6eeb4b0bb