diff --git a/juju/application.py b/juju/application.py
index 0480e38f2..4502d30b5 100644
--- a/juju/application.py
+++ b/juju/application.py
@@ -4,7 +4,6 @@
 import hashlib
 import json
 import logging
-import warnings
 from typing import Dict, List, Union
 from pathlib import Path
 
@@ -36,8 +35,8 @@ def exposed(self) -> bool:
         return self.safe_data["exposed"]
 
     @property
+    @deprecated("Application.owner_tag is deprecated and will be removed in v4")
     def owner_tag(self) -> str:
-        warnings.warn("Deprecated", DeprecationWarning)
         return self.safe_data["owner-tag"]
 
     @property
@@ -45,7 +44,7 @@ def life(self) -> str:
         return self.safe_data["life"]
 
     @property
-    @deprecated("Deprecated ---------------------")
+    @deprecated("Application.min_units is deprecated and will be removed in v4")
     def min_units(self) -> int:
         return self.safe_data["min-units"]
 
@@ -54,13 +53,13 @@ def constraints(self) -> Dict[str, Union[str, int, bool]]:
         return self.safe_data["constraints"]
 
     @property
+    @deprecated("Application.subordinate is deprecated and will be removed in v4")
     def subordinate(self) -> bool:
-        warnings.warn("Deprecated", DeprecationWarning)
         return self.safe_data["subordinate"]
 
     @property
+    @deprecated("Application.workload_version is deprecated and will be removed in v4, use Unit.workload_version instead.")
     def workload_version(self) -> str:
-        warnings.warn("Deprecated, use Unit.workload_version instead", DeprecationWarning)
         return self.safe_data["workload-version"]
 
     @property