diff --git a/playbooks/roles/system/zfs/files/scrub/zfs-scrub@.service b/playbooks/roles/system/zfs/files/scrub/zfs-scrub@.service
index d1a9159..620c16d 100644
--- a/playbooks/roles/system/zfs/files/scrub/zfs-scrub@.service
+++ b/playbooks/roles/system/zfs/files/scrub/zfs-scrub@.service
@@ -6,7 +6,6 @@ After=zfs.target
 ConditionACPower=true
 ConditionPathIsDirectory=/sys/module/zfs
 OnFailure=status-mail@%n.service
-OnSuccess=status-mail@%n.service
 
 [Service]
 EnvironmentFile=-/etc/default/zfs
diff --git a/playbooks/roles/system/zfs/files/trim/zfs-trim@.service b/playbooks/roles/system/zfs/files/trim/zfs-trim@.service
index e3b364e..cb39df5 100644
--- a/playbooks/roles/system/zfs/files/trim/zfs-trim@.service
+++ b/playbooks/roles/system/zfs/files/trim/zfs-trim@.service
@@ -6,7 +6,6 @@ After=zfs.target
 ConditionACPower=true
 ConditionPathIsDirectory=/sys/module/zfs
 OnFailure=status-mail@%n.service
-OnSuccess=status-mail@%n.service
 
 [Service]
 EnvironmentFile=-/etc/default/zfs