diff --git a/src/wuttafarm/web/views/asset_types.py b/src/wuttafarm/web/views/asset_types.py
index b9f560a..f9aadfb 100644
--- a/src/wuttafarm/web/views/asset_types.py
+++ b/src/wuttafarm/web/views/asset_types.py
@@ -78,6 +78,19 @@ class AssetTypeView(WuttaFarmMasterView):
 
         return buttons
 
+    @classmethod
+    def defaults(cls, config):
+        """ """
+        wutta_config = config.registry.settings.get("wutta_config")
+        app = wutta_config.get_app()
+
+        if app.is_farmos_mirror():
+            cls.creatable = False
+            cls.editable = False
+            cls.deletable = False
+
+        cls._defaults(config)
+
 
 def defaults(config, **kwargs):
     base = globals()
diff --git a/src/wuttafarm/web/views/land.py b/src/wuttafarm/web/views/land.py
index 9523cb5..23b899d 100644
--- a/src/wuttafarm/web/views/land.py
+++ b/src/wuttafarm/web/views/land.py
@@ -129,6 +129,19 @@ class LandTypeView(AssetTypeMasterView):
     def get_row_action_url_view(self, land_asset, i):
         return self.request.route_url("land_assets.view", uuid=land_asset.uuid)
 
+    @classmethod
+    def defaults(cls, config):
+        """ """
+        wutta_config = config.registry.settings.get("wutta_config")
+        app = wutta_config.get_app()
+
+        if app.is_farmos_mirror():
+            cls.creatable = False
+            cls.editable = False
+            cls.deletable = False
+
+        cls._defaults(config)
+
 
 class LandAssetView(AssetMasterView):
     """
diff --git a/src/wuttafarm/web/views/structures.py b/src/wuttafarm/web/views/structures.py
index 11a21b9..4d36d41 100644
--- a/src/wuttafarm/web/views/structures.py
+++ b/src/wuttafarm/web/views/structures.py
@@ -128,6 +128,19 @@ class StructureTypeView(AssetTypeMasterView):
     def get_row_action_url_view(self, structure, i):
         return self.request.route_url("structure_assets.view", uuid=structure.uuid)
 
+    @classmethod
+    def defaults(cls, config):
+        """ """
+        wutta_config = config.registry.settings.get("wutta_config")
+        app = wutta_config.get_app()
+
+        if app.is_farmos_mirror():
+            cls.creatable = False
+            cls.editable = False
+            cls.deletable = False
+
+        cls._defaults(config)
+
 
 class StructureAssetView(AssetMasterView):
     """
diff --git a/src/wuttafarm/web/views/units.py b/src/wuttafarm/web/views/units.py
index a36a238..add7b2b 100644
--- a/src/wuttafarm/web/views/units.py
+++ b/src/wuttafarm/web/views/units.py
@@ -59,6 +59,19 @@ class MeasureView(WuttaFarmMasterView):
         # name
         g.set_link("name")
 
+    @classmethod
+    def defaults(cls, config):
+        """ """
+        wutta_config = config.registry.settings.get("wutta_config")
+        app = wutta_config.get_app()
+
+        if app.is_farmos_mirror():
+            cls.creatable = False
+            cls.editable = False
+            cls.deletable = False
+
+        cls._defaults(config)
+
 
 class UnitView(WuttaFarmMasterView):
     """