diff --git a/bundles/postgresql/metadata.py b/bundles/postgresql/metadata.py
index e0904f2..0c20730 100644
--- a/bundles/postgresql/metadata.py
+++ b/bundles/postgresql/metadata.py
@@ -30,7 +30,6 @@ if node.has_bundle('zfs'):
                 'mountpoint': '/var/lib/postgresql',
                 'recordsize': '8192',
                 'atime': 'off',
-                'logbias': 'throughput',
             },
         },
     }
diff --git a/bundles/raspberry-pi/metadata.py b/bundles/raspberry-pi/metadata.py
index 3b8bb02..6ea4f58 100644
--- a/bundles/raspberry-pi/metadata.py
+++ b/bundles/raspberry-pi/metadata.py
@@ -33,12 +33,6 @@ def zfs(metadata):
 
     return {
         'zfs': {
-            'datasets': {
-                name: {
-                    'logbias': 'throughput',
-                }
-                    for name in metadata.get('zfs/datasets')
-            },
             'kernel_params': {
                 'zfs_txg_timeout': 300,
             },