diff --git a/alerts/nsm_scan_address.py b/alerts/nsm_scan_address.py
index 3ded0a1b..9c79afd1 100644
--- a/alerts/nsm_scan_address.py
+++ b/alerts/nsm_scan_address.py
@@ -6,7 +6,7 @@
 # Copyright (c) 2018 Mozilla Corporation
 
 from lib.alerttask import AlertTask, add_hostname_to_ip
-from mozdef_util.query_models import SearchQuery, TermMatch, QueryStringMatch, PhraseMatch, ExistsMatch
+from mozdef_util.query_models import SearchQuery, TermMatch, QueryStringMatch, PhraseMatch
 
 
 class NSMScanAddress(AlertTask):
diff --git a/alerts/nsm_scan_random.py b/alerts/nsm_scan_random.py
index f5d5d245..9166ba66 100644
--- a/alerts/nsm_scan_random.py
+++ b/alerts/nsm_scan_random.py
@@ -6,7 +6,7 @@
 # Copyright (c) 2018 Mozilla Corporation
 
 from lib.alerttask import AlertTask
-from mozdef_util.query_models import SearchQuery, TermMatch, QueryStringMatch, PhraseMatch, ExistsMatch
+from mozdef_util.query_models import SearchQuery, TermMatch, QueryStringMatch, PhraseMatch
 
 
 class NSMScanRandom(AlertTask):